Relevant bibliographies by topics / Hip joint

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Hip joint'

Author: Grafiati
Published: 4 June 2021
Last updated: 29 July 2024

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Journal articles on the topic "Hip joint"

1

Puerto, David A., Gail K. Smith, Thomas P. Gregor, Elizabeth LaFond, Michael G. Conzemius, Lori W. Cabell, and Pamela J. McKelvie. "Relationships between results of the Ortolani method of hip joint palpation and distraction index, Norberg angle, and hip score in dogs." Journal of the American Veterinary Medical Association 214, no. 4 (February 15, 1999): 497–501. http://dx.doi.org/10.2460/javma.1999.214.04.497.

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Objective To determine whether results of the Ortolani method of hip joint palpation in dogs were related to distraction index (DI), Norberg angle, or radiographic hip score. Design Cross-sectional study. Animals 459 clinically normal dogs. Procedure Dogs were sedated for radiography and palpation of the hip joints. Results of hip joint palpation were classified as negative, mild positive, moderate positive, or severe positive. Distraction indices were measured for all dogs. Norberg angles were measured for 380 dogs for which ventrodorsal hip-extended radiographic projections were available. Hip scores assigned by the Orthopedic Foundation for Animals (OFA) were available for 95 dogs. Results Age, weight, and sex were not significantly associated with results of hip joint palpation. There was moderate correlation between results of hip joint palpation and DI (r = 0.636), low-moderate correlation between results of hip joint palpation and OFA hip scores (rs = 0.437), and weak negative correlation (r = -0.236) between results of hip joint palpation and Norberg angle. For joints without degenerative joint disease (DJD), there was a significant linear relationship between results of hip palpation and DI; however, for joints with DJD, there was not. Results of hip joint palpation were 5.3-fold as likely to be negative for dogs with DJD as for dogs without. Clinical Implications Results of hip joint palpation were at best moderately correlated with radiographic measures of hip joint laxity. Therefore, hip joint palpation should be combined with hip-extended and stress radiography when assessing hip joint quality. (J Am Vet Med Assoc 1999;214:497–501).
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Кузник, Б. И., Ю. Н. Смоляков, С. О. Давыдов, and Д. С. Партс. "State of microcirculatory hemodynamics during knee and hip joint transplantation surgery." Zhurnal «Patologicheskaia fiziologiia i eksperimental`naia terapiia», no. 3 (September 30, 2022): 52–58. http://dx.doi.org/10.25557/0031-2991.2022.03.52-58.

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Актуальность. Изучение особенностей гемодинамики в зоне пораженного артрозом коленного или тазобедренного сустава при трансплантации является актуальной задачей, так как позволяет уже на ранних стадиях послеоперационного периода корригировать терапевтические вмешательства направленные на улучшение кровоснабжения и предупреждение развития тромбоэмболических осложнений. Цель исследования - изучение микроциркуляторных гемодинамических нарушений в зоне пораженных артрозом суставов в до и послеоперационном периоде. Методика. Исследования проведены на 136 пациентах, разделенных на 2 группы: в 1-ю группу вошли 46 больных с артрозами тазобедренного или коленного суставов I-II стадии, 2-ю группу составили 90 больных с аналогичными артрозами III-IV степени. Исследования проводились в предоперационном периоде и на 6-е сут после эндопротезирования. Состояние кровотока изучали с помощью датчика mDLS. Использовали авторскую методику спектрального разложения сигнала на частотные компоненты, связанные с гемодинамическими источниками различной скорости сдвига слоев крови. Для интерпретации результатов многочастотного анализа использовали гемодинамический индекс (Hemodynamic Index, HI): низкочастотный (HI1), определяемый медленным межслоевым взаимодействием, высокочастотный (HI3), характеризующий быстрые процессы сдвига слоев и HI2 занимающий промежуточное положение (прекапиллярный и капиллярный кровоток). Рассчитывали относительные индексы RHI1, RHI2 и RHI3 обозначающие нормированный (относительный) вклад каждой компоненты индекса в общие динамические процессы. Для каждого компонента HI (HI1, HI2, HI3) использовали дополнительную меру медленных колебаний кровотока - осцилляторный гемодинамический индекс (OHI). Определяли следующие OHI, храктеризующие движение крови: ассоциированное с эндотелием (NEUR), вызываемое мышечным слоем сосудов (MAYER), задаваемое дыхательным циклом (RESP) и пульсовыми толчками (PULSE). Результаты. B зоне проекции больного сустава по сравнению со здоровым резко снижены гемодинамические индексы HI1 и НI2, а также RHI1 и RHI2. Одновременно в зоне пораженного сустава резко возрастает величина гемодинамических индексов HI3 и RHI3, что свидетельствует об усилении сдвига в осевом потоке, а также значительно увеличивается осцилляторный индекс MAYER1. После трансплантации сустава в зонах проекции здорового и пересаженного сустава практически сохраняются те же различия, что и в дооперационном периоде. Одновременно в послеоперационном периоде уменьшаются индексы PULSE1 и PULSE3. В зоне проекции здорового сустава после операции отмечается увеличение осцилляторных индексов MAYER1 и MAYER2 и снижение индекса PULSE1. В зоне пораженного сустава в послеоперационном периоде увеличивается соотношение HI1/HI3, что может быть связано с усилением эндотелиальной дисфункции. Заключение. Представленные данные свидетельствуют о том, что в зоне пораженного сустава развиваются значительные нарушения микрогемодинамики, что не может не сказаться на течении патологического процесса. Studying hemodynamics in the area of the knee or hip joint affected by arthrosis during transplantation is a significant task. Such studies would allow adjustment of the treatments aimed at improving the blood supply and preventing thromboembolic complications already in early postoperative period. Aim. To study microcirculatory hemodynamic disorders in the area of joints affected by arthrosis in the pre- and postoperative periods. Methods. The study included 136 patients divided into 2 groups: the first group consisting of 46 patients with stage 1-2 arthrosis of the hip or knee joint and the second group consisting of 90 patients with stage 3-4 arthrosis of the same kind. The study was performed in the preoperative period and on Day 6 after joint arthroplasty. The state of blood flow was evaluated with a mDLS transducer using the authors’ method of spectral signal decomposition into the frequency components related with hemodynamic sources of different shear rates of blood layers. For interpretation of results of the multifrequency analysis, the hemodynamic index (HI) was used: low-frequency HI (HI1) determined by the slow interlayer interaction, high-frequency HI (HI3) that characterizes fast processes of the shear of layers, and HI2 that is intermediate (precapillary and capillary blood flow). Relative indexes, RH1, RH2, and RH3, were calculated, which designate a normalized (relative) contribution of each component of the index to overall hemodynamic processes. For each HI component (HI1, HI2, HI3), an additional measure of slow circulatory fluctuations was used, the oscillatory hemodynamic index (OHI). The following OHIs, that characterize the blood flow, were determined: endothelium-associated (NEUR), determined by the vascular muscular layer (MAYER), respiratory cycle-driven (RESP), and pulse impulses (PULSE). Results. In the projection zone of the affected joint as compared with the healthy one, the hemodynamic indices HI1 and HI2, as well as RHI1 and RHI2, were sharply reduced. At the same time, the hemodynamic indices HI3 and RHI3 were sharply increased in the area of the affected joint, which indicated an increase in the axial flow shear; the oscillatory index MAYER1 was also significantly increased. After joint transplantation, practically the same differences as in the preoperative period were maintained in the projection zones of the healthy and the transplanted joints. At the same time, the PULSE1 and PULSE3 indices decreased in the postoperative period. In the projection area of the healthy joint after surgery, the oscillatory indices MAYER1 and MAYER2 were increased whereas the PULSE1 index was decreased. In the area of the affected joint in the postoperative period, the HI1/HI3 ratio was increased, which could have been due to aggravated endothelial dysfunction. Conclusion. Significant microhemodynamic disorders develop in the area of the affected joint, which must affect the course of the pathological process.
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Ro, Du Hyun, Joonhee Lee, Jangyun Lee, Jae-Young Park, Hyuk-Soo Han, and Myung Chul Lee. "Effects of Knee Osteoarthritis on Hip and Ankle Gait Mechanics." Advances in Orthopedics 2019 (March 24, 2019): 1–6. http://dx.doi.org/10.1155/2019/9757369.

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Introduction. Knee osteoarthritis (OA) can affect the hip and ankle joints, as these three joints operate as a kinetic/kinematic chain while walking. Purpose. This study was performed to compare (1) hip and ankle joint gait mechanics between knee OA and control groups and (2) to investigate the effects of knee gait mechanics on the ipsilateral hip and ankle joint. Methods. The study group included 89 patients with end-stage knee OA and 42 age- and sex-matched controls without knee pain or OA. Kinetic and kinematic parameters were evaluated using a commercial optoelectric gait analysis system. Range of motion (ROM) during gait, coronal motion arc, and peak joint moment of hip, knee, and ankle joints were investigated. Results. Ankle varus moment was 50% higher in the OA group (p=0.005) and was associated with higher knee adduction moment (p<0.001). The ROM of the hip and ankle joints were significantly smaller in the OA group and were associated with limited ROM of the knee joint (both p<0.001). The coronal motion arc of the hip was smaller in the OA group and was also associated with limited motion arc of the knee (p<0.001). Conclusions. Knee OA has a negative effect on the ROM, coronal motion arc, and joint moment of the ankle joint and hip joint. As knee OA is associated with increased moment of the ankle joint, attention should be paid to the ankle joint when treating patients with knee OA.
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Garkavenko, Yuriy E. "Bilateral pathological hip dislocation in children." Pediatric Traumatology, Orthopaedics and Reconstructive Surgery 5, no. 1 (March 31, 2017): 21–27. http://dx.doi.org/10.17816/ptors5121-27.

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Introduction. Pathological dislocation of the hip is one of the most severe complications of acute hematogenous osteomyelitis. The program of treatment for children with pathological hip dislocation is complex, but it has been sufficiently developed and implemented very successfully. At the same time, the available literature provides no cases of treating children with bilateral pathological hip dislocations after hematogenous osteomyelitis. There is no information on the incidence of such cases or in regards to remote functional results. Materials and methods. The results of the treatment of 18 children with bilateral pathological dislocation of the hip after hematogenous osteomyelitis are presented, which constituted 23.1% of the total number of patients (78) who underwent surgery in 2000–2016 for the diagnosis of pathological hip dislocation. Both hip joints were surgically operated on in 12 patients, while one hip joint was operated on in 6 patients. To assess the anatomical and functional state of hip joints, the clinical and roentgenological diagnostic techniques were used. Results and discussion. To stabilize and restore the function of the hip joints, 18 children underwent 30 surgical interventions: simple open hip reduction (19) and open hip reduction with hip arthroplasty with one (6) or two (5) demineralized osteochondral allogeneic grafts. The decision regarding the possibility of performing surgical intervention on the second hip joint was made only after a child's check-up examination was complete and after positive information about the anatomical and functional state of the operated hip joint was obtained. According to these criteria, 14 (77.8%) children underwent surgical treatment of the second hip joint 1–1.5 years after the course of conservative measures to restore the range of motion in the previously operated hip joint. Over a period of 1–12 years, 17 patients were examined, 10 of which underwent an operation on both sides (27 joints). The preservation of up to 80º or more of motion amplitude was noted in 17 (62.9%) of 27 operated hip joints. When assisting patients with pathological hip dislocation, it is necessary to understand that it is practically impossible to restore the affected joint to the anatomical state of the opposite unaffected joint. As for the bilateral lesion, this is most certainly impossible, and the development of arthrosis is inevitable. Therefore, the most important factor reflecting the degree of well-being and stability of the affected joint is the amplitude of active movements. Preserving this amplitude in the affected joints with a careful and attentive attitude is a fundamental and feasible task.
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M, Yatsulіak, Nemesh M, Martsyniak S, Kabatsiy M, and Filipchuk v. "Original positioning method to determine the clinical and radiographic parameters of the hip joint in patients with cerebral palsy." MOJ Orthopedics & Rheumatology 13, no. 4 (August 16, 2021): 90–93. http://dx.doi.org/10.15406/mojor.2021.13.00555.

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Relevance: Obtaining true radiographic parameters of the hip joint helps to choose therapeutic tactics for children with cerebral palsy. Goal of the study: Improvement of the diagnostic results in pathology of the hip joint among patients with cerebral palsy by using our original method. Materials and methods: The number of examined patients – 30 persons (60 joints), 15 boys and 15 girls, 26 joints were operated. The age of patients ranged between 3-15 years. All patients underwent a clinical evaluation – Ruwe's femoral torsion, as well as radiography of the hip joints using our original method (utility model patent №137567). The offered method is cheap, simple and accessible to all medical institutions with an X-ray room, for the diagnosis and screening of pathology of the hip joint. The our original method can be used to determine all the main parameters of the hip joint (femoral torsion, neck-shaft angle, Viberg angle, Reimers’ index, acetabular angle, Sharp’s angle) in patients with cerebral palsy. Making only single radiograph, one obtains true radiographic parameters of both hip joints, which significantly reduces the radiation load upon the patient. Our method can be used in the examination and screening of patients with developmental disorders and other diseases of the hip joint.
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Kamimura, Mikio, Yukio Nakamura, Shota Ikegami, Shigeharu Uchiyama, and Hiroyuki Kato. "Joint Pain Undergoes a Transition in Accordance with Signal Changes of Bones Detected by MRI in Hip Osteoarthritis." Open Rheumatology Journal 7, no. 1 (September 30, 2013): 67–74. http://dx.doi.org/10.2174/1874312920130823002.

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Objectives: In this study, we aimed to investigate whether joint pain is derived from cartilage or bone alterations. Methods: We reviewed 23 hip joints of 21 patients with primary hip osteoarthritis (OA), which were classified into Kellgren–Laurence (KL) grading I to IV. Plain radiographs and magnetic resonance imaging (MRI) were obtained from all of the 23 joints. Two of the 21 patients had bilateral hip OA. Pain was assessed based on the pain scale of Denis. A Welch t test was performed for age, height, weight, body mass index, bone mineral density, and a Mann–Whitney U test was performed for KL grading. Results: Four of 8 hip joints with pain and OA showed broad signal changes detected by MRI. Fourteen hip joints without pain, but with OA did not show broad signal changes by MRI. Collectively, MRI analyses showed that broad signal changes in OA cases without joint pain or with a slight degree of joint pain were not observed, while broad signal changes were observed in OA cases with deteriorated joint pain. Conclusion: Our findings suggest that hip joint pain might be associated with bone signal alterations in the hips of OA patients.
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Platonova, Yana V., and Valentina I. Syutina. "Methodological approaches to improving hip joint mobility among female students of higher educational institutions." Medicine and Physical Education: Science and Practice, no. 12 (2021): 75–81. http://dx.doi.org/10.20310/2658-7688-2021-3-4(12)-75-81.

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Introduction. The statistics revealed during the literature analysis indicates the wide-spread of joint diseases worldwide, including hip diseases, and all human motor activity depends on the hip functioning. Limited mobility in the joint is caused by a sedentary lifestyle and the absence of movements with involved hip joint. The practice of conducting recreational aerobics classes with female students has shown the lack of girls’ proper attention to the mobility problem in the hip joints. Methods. 200 female students of 1–4 courses of Derzhavin Tambov State University, engaged in recreational aerobics, took part in the study of hip joint mobility. The study used tests to assess the degree of hip joint opening and to identify the presence of asymmetry when the legs are pulled to the sides. Results. There is a unidirectional tendency in the ability to perform motor action with the maximum amplitude of movement in the hip joints of female students of 1–4 courses. The thighs of the students open in the same way; there is no asymmetry between the right and left legs when opening. Conclusions. The study helped to draw up an overall balance and identify trends in the development of hip joint mobility in girls, to understand the causes leading to pelvic displacement and limited hip flexion amplitude, to expand the understanding of methods for assessing hip joint mobility and tests for detecting asymmetry when the legs are pulled to the sides.
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Kołodziejczyk, Kamil, Adam Czwojdziński, Andrzej Sionek, and Jarosław Czubak. "Assessment of the endoprosthesis offset in a dysplastic coxarthrosis." Acta Orthopaedica Belgica 88, no. 3 (September 2022): 541–48. http://dx.doi.org/10.52628/88.3.8740.

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Incorrectly developed acetabulum and subluxated hip joint may cause many problems for proper implantation of endoprosthesis. The aim of this work is to assess the radiological results of offset restoration and selection of endoprosthesis implant in a dysplastic hip joint. The study group consisted of patients who had a surgery in the period between 2016 and 2018. All of them had a cementless total hip endoprosthesis. The group consisted of 91 patients (96 hip joints), with an average age of 42 years (31-47 years). 55 left and 41 right hip joints. 70 females and 21 males. The control group consisted of patients who were not diagnosed with hip joint dysplasia. The control group consisted of 70 patients (70 hip joints), with an average age of 35 years (19-55 years). 53 females and 17 males. The radiographic assessment included the measuring of medialization and distalization which describe the offset of hip joint. The joint decentration was classified according to Crowe. Based on radiographic measurements we have achieved statistically significant (p<0.05) changes in medialization and distaliza- tion parameters. We have not noticed a statistically significant difference for medialization parameter (p=0.8259) after a surgery when compared to the control group. For all patients we have achieved a restoration of correct offset in the horizontal plane. The main idea behind endoprosthesis in a dysplastic coxarthosis is the implantation of endoprosthesis cup in an anatomically correct location. Small screw- in cup and conical stem offer great possibility of restoring correct offset of a dysplastic hip joint.
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Smith, Gail K., Darryl N. Biery, and Thomas P. Gregor. "New concepts of coxofemoral joint stability and the development of a clinical stress-radiographic method for quantitating hip joint laxity in the dog." Journal of the American Veterinary Medical Association 196, no. 1 (January 1, 1990): 59–70. http://dx.doi.org/10.2460/javma.1990.196.01.59.

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Summary From mechanical principles and postmortem observations of coxofemoral joints of dogs, a hydrostatic mechanism influencing hip joint stability was discovered. This discovery led to the development of a stress-radiographic positioning method to quantitate hip joint laxity in dogs. The method incorporated 2 views with the dog in supine position and hips at neutral flexion/extension angle: a compression view, with the femoral heads fully seated in the acetabula; and a distraction view, with the femoral heads at maximal lateral displacement. An index measurement method was formulated to quantitate the relative degree of joint laxity appearing in either the compression or distraction view. Clinical evaluation of 6 dogs was done to compare the compression/distraction method with the standard hip-extended radiographic method. Also, the stress-radiographic method was performed on 16-week-old Borzoi and German Shepherd Dogs to compare the characteristics of inherent hip joint laxity in these breeds. In all dogs tested, hip joint laxity was masked by the standard hip-extended view as indicated by a 2.5-fold improvement in sensitivity to hip joint laxity of the new method (P < 0.00001). Moreover, the mean hip joint laxity of 16-week-old German Shepherd Dogs exceeded the mean hip joint laxity of Borzois by 79% (P < 0.00001). Reports in the literature document the incontrovertible association of hip joint laxity to the development of hip dysplasia in dogs. We believe the ability to accurately quantitate hip joint laxity will provide key diagnostic and prognostic criteria for the selection of pet dogs, and more importantly, breeding stock.
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Singh, Ranjeet Kumar, and Swati Gangwar. "An assessment of biomaterials for hip joint replacement." International Journal of Engineering, Science and Technology 13, no. 1 (July 8, 2021): 25–31. http://dx.doi.org/10.4314/ijest.v13i1.4s.

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Hip replacement is a surgical process where natural hip joints are replaced by artificial hip joint that helps the human being for getting better lifestyle by reduction in the unavoidable pain and better leg movement. The selection of material and durability of the hip joint replacement are serious significance for the implantation, because it determines how load is transferred through the stem. In the selection of materials, various problems related to hip joint replacement are found like adverse tissue reaction, allergic reaction, wear and corrosion resistance etc. To overcome this problem one has to create different new biomaterial. This review gives brief description about the different biomaterial used for hip joint replacement.
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Dissertations / Theses on the topic "Hip joint"

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Apatsidis, Dimitrios P. "The hip joint capsule : mechanical properties and contribution to joint stability in total hip replacement." Thesis, University of Strathclyde, 2002. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21186.

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The hip joint capsule is a complex soft tissue structure that comprises a number of ligaments with different thickness and strength respectively, as well as a thinner membrane-like part that provides the structural integrity for the capsule. The role of the capsule is twofold, forming a closed environment around the joint surfaces, in which the synovial fluids are retained, but also providing a passive joint resistance that acts in addition to the surrounding muscles and mainly in extreme limb positions and in unexpected limb loading. Despite its important role, the capsule is commonly removed in Total Hip Replacement (THR), either fully or partially, to clear the view to the joint. The little existing knowledge on the mechanical properties of the capsule and its performance in situ during various walking activities makes it difficult to argue for its preservation and repair following THR, especially due to the additional efforts that this brings along for the surgical team. This project is an attempt to provide this required information and to highlight any changes in joint resistance that occur as a result of a complete or partial removal of the hip joint capsule. A cadaveric approach was used at first, in which complete human hip joints with intact capsules were tested. A sequential removal of the capsular ligaments was carried out, in order to reveal the total contribution to joint resistive moments of the individual ligaments. Anterior ligaments were distinguished from posterior ones and the tests were carried out in those limb positions in which the joint would be least stable under absence of the respective ligaments. Partial damage of the posterior aspects of the capsule showed increased risk for posterior joint dislocation when the limb was in flexion and internal rotation compared to the effects of an anteriorly damaged capsule. A 3-D computer model of the hip joint with its capsular ligaments was created, in order to confirm the findings from the cadaveric study, but also for the purpose of simulating effects in post-operative anatomies. Different methods of creating the geometric model were attempted and it was achieved to create a model that would be used to simulate the resistive moments produced by the individual ligaments. For simplicity, the ligament action was simulated by linear spring elements. The findings of the cadaveric experiments could not be reproduced, because of the way the ligament forces were modelled, which does not consider the viscoelastic properties of soft biological tissues. However, it was still possible to draw valuable conclusions on the effect that various prosthetic component attributes have on the total joint moments. Recommendations were made for the optimal approach to the capsule in THR.
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Aslan, Nuri. "A polymeric composite hip joint prosthesis." Thesis, University of Ulster, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385672.

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Stroud, Nicholas James. "Advancements of a servohydraulic human hip joint motion simulator for experimental investigation of hip joint impingement/dislocation." Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/746.

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A servohydraulic hip simulator was upgraded to experimentally investigate cadaveric impingement/dislocation of the hip with clinically releveant joint motions. The resulting biomechanical analysis provided insight into risk factors for dislocation/impingement and clearly demonstrated the potential of the hip simulator as a research tool.
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Chen, Shuenn-muh. "Kinematic and passive resistive properties of human shoulder hip and elbow complexes /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487266691095932.

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Walter, William Lindsay School of Biomechanics UNSW. "Severe biomechanical conditions in total hip replacement." Awarded by:University of New South Wales. School of Biomechanics, 2006. http://handle.unsw.edu.au/1959.4/25968.

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Hip simulators are designed to reproduce the forces and motion patterns of normal walking. In vivo demands on total hip replacements, however, are varied and often more severe than normal walking conditions. It is these severe conditions that often lead to implant failure. This is clinically based research aimed at understanding some of the more severe conditions in hips and the effect that these have on the performance of the total hip replacement. The polyethylene liner can act as a pump in an acetabular component, forcing fluid and wear particles through the holes to the retroacetabular bone causing osteolysis. Ten patients were studied at revision surgery. Pressures were measured in retroacetabular osteolytic lesions while performing pumping manouvers with the hip. Two laboratory experiments were then designed to study pumping mechanisms in vitro. In patients with contained osteolytic lesions, fluid pressure fluctuations could be measured in the lesion in association with the pumping action. Patients with uncontained osteolytic lesions showed no such pressure fluctuations. In the laboratory we identified 3 distinct mechanisms whereby fluid can be pumped from the hip joint to the retroacetabular bone. These pumping effects could be mitigated by improved implant design. Loading of the femoral head against the edge of the acetabular component produces dramatically increased contact pressures particularly in hard-on-hard bearings. In an analysis of 16 retrieved ceramic-on-ceramic bearings we were able to characterise the mechanism of edge loading based on the pattern of edge loading wear on the bearing surface. Finally in a radiographic study of patients with squeaking ceramic-on-ceramic hips. Squeaking was found to be associated with acetabular component malposition. It seems that edge loading or impingement may be an associated factor in these cases.
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Watters, Eamon Patrick John. "Wear properties of artificial hip joint materials." Thesis, Queen's University Belfast, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321968.

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Schumacher, Brian. "An analysis of the femoral head/stem taper lock for orthopaedic prostheses." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/18927.

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Good, Victoria Diane. "The tribological significance of the joint fluid analog in a hip joint simulator." Thesis, University of Strathclyde, 2001. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21422.

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Wear is the number one concern with regards to the longevity of THR (total hip replacement). Therefore, reliable in-vitro prediction of wear is necessary. Thus, the laboratory should first validate their hip simulators with known clinical materials. The limiting factor in hip wear simulation has been the joint fluid analog. Using 100% bovine serum as the joint fluid analog, UHMWPE (ultra-high molecular weight polyethylene) wear-rates have been continually underestimated and PTFE (polytetrafluoroethylene) wear has been overestimated. Therefore, this work investigated the effect of protein concentration in bovine serum on the wear of PTFE and UHMWPE in a biaxial hip joint simulator. Validation criteria were developed based on the clinical findings of: ball size effect of increased wear with increased head size, 6% increase in wear for each millimeter of increased head diameter, clinical wear magnitudes, PTFE/UHWMPE wear-rate ratio and debris morphology. Both materials duplicated the clinical criteria using bovine serum with 10mg/ml of protein concentration. As protein concentration went from 0 to 10mg/ml, wear of both materials increased, however with greater than 10mg/ml protein; a) the rate of increase for PTFE was reduced by 80% and b) the wear of UHMWPE reversed, thus, showing that proteins cause wear. Additionally as the volume of fluid was increased, wear increased. This change in wear with protein concentration and volume was due to a protection of protein precipitate. As protein concentration increased protein precipitation increased and wear was decreased due to a protective layer of precipitates. Furthermore, wear protection was dependent on the amount of protein precipitation which was in turn, dependent on the initial concentration, volume of fluid and time. Therefore, wear in-vitro was dependent on the joint fluid analog. This work proved that the laboratory could duplicate clinical findings using bovine serum with 10mg/ml of protein concentration as the joint fluid analog and thus increase confidence in wear evaluation; taking the first steps to showing reliability of in-vitro THR wear studies.
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Runser, Alicia M. "Global Joint Registry: Analysis of Revision Hip Arthroplasty Data." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1610382916575377.

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Weinrauch, Patrick Connor Lachlan. "Techniques for the Surgical Management of Adult Hip Joint Disorders." Thesis, Griffith University, 2017. http://hdl.handle.net/10072/366442.

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This thesis is a compilation of published manuscripts arising from research activities that I have undertaken over the last ten years in relation to the surgical management of adult hip joint disorders. The objectives of these research activities have been to improve the outcomes of the surgical procedures performed within my own clinical practice and to share my conclusions more broadly with the orthopaedic community by publication. Typically my publications are of a practical nature, often relating to the technical aspects of the conduct of surgery. They represent my attempts to answer questions that have arisen during my day-to-day clinical practice as an orthopaedic surgeon. The themes that constitute the majority of the material included within this thesis relate to the development of innovative surgical techniques, testing the validity of traditional methods of orthopaedic practice and the management of difficult clinical presentations. As my clinical practice and associated research activities span a number of topics within the broader discipline of adult hip joint surgery, I have divided this thesis into four chapters. Each chapter contains manuscripts that relate to a distinct area of my clinical practice - Perioperative Management, Trauma Management, Hip Arthroscopy and Elective Hip Arthroplasty. At the start of each chapter, a content introduction and concise background of the contained material is provided. A chronologic listing of each of the manuscripts contained within this thesis is provided in Appendix 1.
Thesis (PhD Doctorate)
Doctor of Philosophy by Publication (PhD)
School of Medical Science
Griffith Health
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Books on the topic "Hip joint"

1

Harris, P. F. Hip joint. London: Gower Medical, 1985.

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Iyer, K. Mohan. The Hip Joint. 2nd ed. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003165460.

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McCarthy, Joseph C., Philip C. Noble, and Richard N. Villar, eds. Hip Joint Restoration. New York, NY: Springer New York, 2017. http://dx.doi.org/10.1007/978-1-4614-0694-5.

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Iyer, K. Mohan. The Hip Joint. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781032679914.

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A, Balderston Richard, and Rothman Richard H. 1936-, eds. Total hip arthroplasty. Philadelphia: Saunders, 1988.

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E, Steinberg Marvin, and Day Lorraine J, eds. The Hip and its disorders. Philadelphia: Saunders, 1991.

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E, Steinberg Marvin, ed. The Hip and its disorders. Philadelphia, PA: Saunders, 1991.

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A, Balderston Richard, ed. The Hip. Philadelphia: Lea & Febiger, 1992.

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1930-, Sledge Clement B., ed. The hip. Philadelphia: Lippincott-Raven Publishers, 1998.

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Nho, Shane, Michael Leunig, Bryan Kelly, Asheesh Bedi, and Christopher Larson, eds. Hip Arthroscopy and Hip Joint Preservation Surgery. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7321-3.

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Book chapters on the topic "Hip joint"

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Dellon, A. Lee. "Hip Denervation." In Joint Denervation, 241–60. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05538-7_14.

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Seidenbusch, Michael, Veronika Rösenberger, and Karl Schneider. "Hip Joint." In Imaging Practice and Radiation Protection in Pediatric Radiology, 721–42. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18504-6_18.

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Harwood, Paul, Rozalia I. Dimitriou, and Peter V. Giannoudis. "Hip Joint." In Practical Procedures in Orthopedic Surgery, 29–31. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-817-1_11.

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Mayer, Stephanie W., Kimberly M. Spahn, and Rebecca Griffith. "Hip Joint." In Sports-related Fractures, Dislocations and Trauma, 341–57. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36790-9_22.

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Strobel, Michael J. "Hip Joint." In Manual of Arthroscopic Surgery, 969–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-540-87410-2_14.

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Breitenseher, Martin, Herwig Imhof, Thomas Rand, Donald Resnick, Peter Ritschl, and Siegfried Trattnig. "Hip Joint." In Imaging of Bone and Soft Tissue Tumors, 1–4. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56563-2_1.

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Breitenseher, Martin, Herwig Imhof, Thomas Rand, Donald Resnick, Peter Ritschl, and Siegfried Trattnig. "Hip Joint." In Imaging of Bone and Soft Tissue Tumors, 9–12. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56563-2_3.

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Rickman, Mark, and Lorenz Büchler. "Traumatic Hip Dislocations." In Fracture Management Joint by Joint, 95–103. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18838-2_9.

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Chan, Gareth, Sharad Goyal, and Michael Moss. "Hip Resurfacing." In The Hip Joint, 297–305. 2nd ed. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003165460-14.

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Aprato, Alessandro, Federico Bertolo, Alessandro Bistolfi, Luigi Sabatini, and Alessandro Massè. "The Use of Hip Arthroscopy in Trauma of the Hip." In Fracture Management Joint by Joint, 189–96. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18838-2_15.

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Conference papers on the topic "Hip joint"

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Ali, M., J. Hoffman, P. Hayes, and T. Matthews. "Impact Behavior of Graded Porous Hip Joint." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14583.

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The occurrence of primary and revision total hip and knee arthoplasty in the United States is increasing [1] due to several factors which include aging population and longer life expectancies [2]. The hip joint is one of the most commonly replaced joints with more than 120,000 artificial hip joints being implanted in the United States [3]. Complications associated with hip replacements include aseptic failure and prosthetic-joint infection [4]. Implant failure is known to cause significant morbidity, pain on weight-bearing, and increased health care costs [2, 5].
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Dong-Yun Gu, Fei Hu, Jian-Hei Wei, Ke-Rong Dai, and Ya-Zhu Chen. "Contributions of non-spherical hip joint cartilage surface to hip joint contact stress." In 2011 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2011. http://dx.doi.org/10.1109/iembs.2011.6092014.

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Kocjančič, Ema, and Boštjan Kocjančič. "From Hip Arthrosis to Hip Replacement Surgery – Total Hip Endoprosthesis." In Socratic lectures 10. University of Lubljana Press, 2024. http://dx.doi.org/10.55295/psl.2024.i2.

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Abstract: Hip arthrosis is a medical condition that is more commonly present in elderly people that is nowadays also becoming a healthcare burden among the younger, active popu-lation. Arthrosis is a process during which cartilage, normally present as a protective factor of the hip joint, gradually wears away, becoming frayed and rough. This results in limited protective joint space, which leads to increased friction and rubbing between hip joint components; acetabulum and femoral bone. Due to arthrosis, patients experi-ence daily pain, limited movements and decreased quality of life. Primary treatment of osteoarthritis includes informing patients of the importance of a healthy lifestyle, in-cluding physical activity. As non-surgical alternatives to treating osteoarthritis, ortho-paedic surgeons may relieve their patients’ symptoms with pharmacological interven-tions (paracetamol and NSAIDs) and in selected cases intraarticular infiltrations. When all this is no longer effective, surgical relief of pain is recommended, including less invasive procedures, such as hip arthroscopy, hip biopsy, or simple core decom-pression (CD), or the most invasive, but effective hip replacement surgery - total hip arthroplasty (THA). The latter is a procedure during which diseased and necrotic tissue from the hip joint is removed and replaced with artificial materials, the hip endopros-thesis. The aim of this procedure is to reduce pain and improve patient's mobility and quality of life. Keywords: hip osteoarthritis, hip arthrosis, hip endoprosthesis, surgery, quality of life.
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Chen, Lan, Mingzhao Chen, Lantian Chen, Ming Hu, and Yiwang Bao. "Application of Hemi-Hip Joint Arthroplasty." In 2008 2nd International Conference on Bioinformatics and Biomedical Engineering. IEEE, 2008. http://dx.doi.org/10.1109/icbbe.2008.657.

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Gaspar, M. C., A. Mateus, C. Pereira, and F. V. Antunes. "Biomechanical Modeling of Hip Joint Prosthesis." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64276.

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In this work a Bombelli cementless isoelastic RM total hip prosthesis was considered. It was implanted over a course of 14 years on the patient and studied subsequently to its chirurgical replacement. Computed Tomography, radiographies and 3-D laser scanning were used to assess the prosthesis geometry, while the original femur anatomy was modeled based on 2-D radiographies taken at different stages of the in-vivo implant of the prosthesis. A finite element model was developed, based on the generated 3-D geometrical model, considering a linear elastic behavior and typical loading conditions. This analysis allowed determining stress and strain fields throughout bone-prosthesis contact surface and critical areas in terms of micromovements. The developed procedure, consisting of 3-D scanning, generation of geometrical 3-D models and finite element analysis, results in a powerful tool to follow-up and predict failure mechanisms in hip joint prosthesis.
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Youness, Abdel-Latif, L. A. Abde-Latif, and A. M. A. El-Butch. "Elasto-Hydrodynamic Analysis of Human Artificial Hip Joint Prostheses." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80273.

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Hip joint is one of the most important human joints that should be fully understood. The present research work aims at improving the tribological performance of the human artificial hip joint prostheses to help in producing reliable ones using design charts. An elasto-hydrodynamic model of the hip joint is proposed and numerical solution of the governing equations using finite difference technique is used to predict the elasto-hydrodynamic behavior of such joint. Parametric study has been conducted and results have shown that, thicker cup gives better tribological performance and the increase in the femoral head radius results in decreasing the non-dimensional maximum pressure and decreasing the non-dimensional minimum film thickness. Also, increasing the angular velocity doesn’t affect the tribological behavior considerably.
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Tichy, John, and Benyebka Bou-Sai¨d. "The PTT Model in Hip Joint Replacement: Shock Loading." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63979.

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The Phan-Thien Tanner (PTT) model is one of the most widely used rheological models. It can properly describe all the common characteristics of viscoelastic non-Newtonian fluids. Synovial fluid of human joints, which also lubricates artificial joints, is well known to be highly viscoelastic. Thus it is reasonable to attempt to describe such joint behavior using non-Newtonian flow models. Modeling the geometry of the total hip replacement, the PTT model is applied in spherical coordinates to a thin confined fluid film. As an illustrative problem, the case of a sudden impulsive start of simple squeezing motion is solved, similar to landing on one’s feet after a vertical jump. The phenomena of shear thinning, stress relaxation, and stress overshoot are all exhibited.
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Costa, João, Joaquim Peixoto, Pedro Moreira, António Pedro Souto, João Paulo Flores Fernandes, and Hamid M. Lankarani. "Influence of the Hip Joint Modeling Approaches on the Kinematics of Human Gait." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46340.

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The influence of the hip joint formulation on the kinematic response of the model of human gait is investigated throughout this work. To accomplish this goal, the fundamental issues of the modeling process of a planar hip joint under the framework of multibody systems are revisited. In particular, the formulations for the ideal, dry, and lubricated revolute joints are described and utilized for the interaction of femur head inside acetabulum or the hip bone. In this process, the main kinematic and dynamic aspects of hip joints are analyzed. In a simple manner, the forces that are generated during human gait, for both dry and lubricated hip joint models, are computed in terms of the system’s state variables and subsequently introduced into the dynamics equations of motion of the multibody system as external generalized forces. Moreover, a human multibody model is considered, which incorporates the different approaches for the hip articulation, namely ideal joint, dry, and lubricated models. Finally, several computational simulations based on different approaches are performed and the main results presented and compared to identify differences among the methodologies and procedures adopted in this work. In addition some experimental data are presented and analyzed.
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Rupp, Jonathan D., Matthew Reed, Thomas A. Jeffreys, and Lawrence W. Schneider. "Effects of Hip Posture on the Frontal Impact Tolerance of the Human Hip Joint." In 47th Stapp Car Crash Conference (2003). 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2003. http://dx.doi.org/10.4271/2003-22-0002.

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Nandi, Soumitra, and Zahed Siddique. "Mass-Customization of Hip-Replacement Joint Design Using Shape Grammar." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48477.

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Hip-replacement joints are designed to meet shape specifications for each individual patient. Because the height and shape of bones of every patient are different than the other, the shapes of hip-replacement joints need to be customized for each individual patient. Customizing for each individual patient will increase the overall cost of hip-replacement joint production and eventually the cost of whole surgery process. Mass-production is necessary to reduce the production cost for such products. A technique of mass-customization can address to both of these issues providing customization of individual design in mass format and in reasonably low production cost. In this paper we investigate the use of shape grammar to develop a common platform for mass-customization of hip-replacement joints. To capture the common shape used in regular hip replacement surgery, a set of rules is presented to define the shape grammar. The rules are then varied inside the limits and the variations of design are observed.
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Reports on the topic "Hip joint"

1

Perez, Natalie. Acetabular Labral Pathologies and Interventions in Relation to Hip Joint Abnormalities. Ames (Iowa): Iowa State University, January 2021. http://dx.doi.org/10.31274/cc-20240624-106.

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A. Komnos, Georgios, Antonios Papadopoulos, Efstratios Athanaselis, Theofilos Karachalios, and Sokratis E. Varitimidis. Migrating Periprosthetic Infection from a Total Hip Replacement to a Contralateral Non-Operated Osteoarthritic Knee Joint. Science Repository, January 2023. http://dx.doi.org/10.31487/j.ijscr.2022.03.02.

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Introduction: There is a paucity of published data on whether a treated infected arthroplasty is a risk factor for infection in another, non-operated joint. Contamination of a primary, arthritic, non-operated joint from an infected arthroplasty is a relatively rare entity. Case: We report a case of migration of a pathogen (Enterococcus faecalis) from an infected prosthetic joint (hip) to the contralateral native joint (knee). Identification of the pathogen was made with PCR, by obtaining cultures during the implantation of the primary knee prosthesis. Conclusion: Contamination of a primary, arthritic, non-operated joint from an infected arthroplasty has not been widely reported. Management of such cases is extremely challenging and without clear and established guidelines. Our experience shows that tissue samples should be taken intraoperatively and sent for cultures, so as to exclude contamination in those cases.
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Smith, Paul N., David R. J. Gill, Michael J. McAuliffe, Catherine McDougall, James D. Stoney, Christopher J. Vertullo, Christopher J. Wall, et al. Hip, Knee and Shoulder Arthroplasty: 2023 Annual Report. Australian Orthopaedic Association, October 2023. http://dx.doi.org/10.25310/ywqz9375.

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The 2023 Hip, Knee and Shoulder Arthroplasty Report is based on the analysis of 1,982,200 (850,603 hip, 1,046,247 knee and 85,350 shoulder) primary and revision procedures recorded by the Registry, with a procedure date up to and including 31 December 2022. As with last year’s Annual Report, to ensure that the relevance and currency of AOANJRR data are maintained, almost all analyses (unless specifically stated) have been confined to hip, knee and shoulder prostheses that were still being used in 2022. Again, historic data are still available in previous Annual Reports on the AOANJRR website. This year, the Registry is again providing an update on the impact of COVID-19 on joint replacement in Australia during 2022 and comparisons to 2020 and 2021, and to the pre-COVID year 2019. In addition to the main report, the Registry continues to publish Supplementary Reports. They include a Lay Summary of the main report and 15 additional reports on arthroplasty topics. The report introduces a special chapter addressing the challenge of infection in joint replacement surgeries, highlighting the steady increase in revision procedures due to infection since data collection began. Each year, the AOANJRR identifies prostheses with higher than anticipated rates of revision. This year, 4 total conventional hip, 3 total knee prostheses and 2 total stemmed reverse shoulder prostheses have been newly identified.
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Smith, Paul N., David R. J. Gill, Michael J. McAuliffe, Catherine McDougall, James D. Stoney, Christopher J. Vertullo, Christopher J. Wall, et al. Patient Reported Outcome Measures: Hip, Knee and Shoulder Arthroplasty Supplementary Report. Australian Orthopaedic Association, October 2023. http://dx.doi.org/10.25310/uzxp4031.

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The AOANJRR first reported PROMs outcomes in the 2021 Annual Report. This year, PROMs information is provided in this dedicated supplementary report. Patient reported outcome measures (PROMs) are surveys that assess dimensions of health from the perspective of the patient. These are additional joint replacement outcomes that are reported directly by patients through a bespoke electronic data capture system. The system is currently being implemented nationally in all hospitals undertaking joint replacement surgery. Several different instruments are used to collect data on patients’ quality of life and joint-specific pain, function, and recovery. This year, PROMs data are reported for primary total hip, primary total knee, primary stemmed anatomic shoulder and primary total stemmed reverse shoulder replacement undertaken for osteoarthritis (OA), and primary reverse total shoulder replacement undertaken for rotator cuff arthropathy. The data are presented overall for each category of joint replacement as well as for the two shoulder diagnoses assessed, and their variations by age and gender. Individual surgeon and individual hospital (both de-identified) pre-operative quality of life and joint-specific scores are also reported for primary total hip, primary total knee, and primary total stemmed reverse shoulder replacement only. The 2023 Patient Reported Outcome Measures Supplementary Report is based on the analysis of procedures using prostheses that have been available and used in 2022 (described as modern prostheses) with a procedure date up to and including 31 December 2022. These include 22,448 pre-operative and 14,677 post-operative PROMs for primary total hip procedures performed for osteoarthritis, 34,827 pre-operative and 22,363 post-operative PROMs for primary total knee procedures for osteoarthritis and 2,204 pre-operative and 1,271 post-operative PROMs for primary total stemmed anatomic and primary total stemmed reverse shoulder procedures performed for osteoarthritis and rotator cuff arthropathy. This PROMs Supplementary Report is one of 16 supplementary reports to complete the AOANJRR Annual Report for 2023. The 2023 Annual Report, Supplementary Reports, and investigations of prostheses with higher than anticipated rates of revision are available on the AOANJRR website. Information on the background, purpose, aims, benefits and governance of the Registry can be found in the Introduction of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report. The Registry data quality processes including data collection, validation and outcomes assessment, are provided in detail in the data quality section of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report: https://aoanjrr.sahmri.com/annual-reports-2023.
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Smith, Paul N., David R. J. Gill, Michael J. McAuliffe, Catherine McDougall, James D. Stoney, Christopher J. Vertullo, Christopher J. Wall, et al. Lay Summary: Hip, Knee & Shoulder Replacement Supplementary Report. Australian Orthopaedic Association, October 2023. http://dx.doi.org/10.25310/kyec2765.

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This summary is an explanation of the major findings of the Australian Orthopaedic Association National Joint Replacement Registry 2023 Annual Report for Hip, Knee and Shoulder Arthroplasty (replacement). This is the major clinical report produced by the Registry each year. The full version of the 2023 Annual Report on Hip, Knee and Shoulder Arthroplasty is available in the ‘Publications’ section of the Registry website https://aoanjrr.sahmri.com/annual-reports-2023. The Lay Summary is provided to ensure that a clear, concise, and easily understood explanation of the published findings are available to all those who may be interested. The Lay Summary also provides guidance for those who may wish to further review the full extent of the data published by the Registry in the Annual Report. The Australian Orthopaedic Association (AOA) believes this is especially important because of the high level of community interest in the Registry and the need to ensure that reports are accessible to all. This Report is one of 16 supplementary reports to complete the AOANJRR Annual Report for 2023. Information on the background, purpose, aims, benefits and governance of the Registry can be found in the Introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report. The Registry data quality processes including data collection, validation and outcomes assessment, are provided in detail in the Data Quality section of the introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report: https://aoanjrr.sahmri.com/annual-reports-2023.
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Smith, Paul N., David R. J. Gill, Michael J. McAuliffe, Catherine McDougall, James D. Stoney, Christopher J. Vertullo, Christopher J. Wall, et al. Mortality Following Primary Hip and Knee Arthroplasty: Supplementary Report. Australian Orthopaedic Association, October 2023. http://dx.doi.org/10.25310/irjq4670.

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Mortality information has been obtained by matching all procedures reported to the Registry up to and including 31 December 2022 with the National Death Index (NDI). The NDI is the national mortality database maintained by the Australian Institute of Health and Welfare (AIHW). The Registry was granted access to this data following a formal ethics application to AIHW. Adjusted mortality is obtained after direct standardisation of the crude cumulative mortality data by 5 year age intervals and gender to the Estimated Resident Population Status based on the 2001 census. As the total population has a younger age structure than the population of the Registry, the adjusted mortality is substantially lower than the crude mortality. By minimising the effects of age and gender differences within groups, the adjusted measure may be used to compare the mortality of different procedures and is useful when comparing mortality over time. The rate per 100 person years has been calculated from the date of the first joint procedure to either the date of death or 31 December 2022. This provides a true rate. This Report is one of 16 supplementary reports to complete the AOANJRR Annual Report for 2023. Information on the background, purpose, aims, benefits and governance of the Registry can be found in the Introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report. The Registry data quality processes including data collection, validation and outcomes assessment, are provided in detail in the Data Quality section of the introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report: https://aoanjrr.sahmri.com/annual-reports-2023.
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Smith, Paul N., David R. J. Gill, Michael J. McAuliffe, Catherine McDougall, James D. Stoney, Christopher J. Vertullo, Christopher J. Wall, et al. Analysis of State and Territory Health Data: Supplementary Report. Australian Orthopaedic Association, October 2023. http://dx.doi.org/10.25310/ixwe4642.

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Data presented in this report are for both the public and private hospital sector and have been obtained from State and Territory Health Departments for specific ICD-10-AM codes relating to hip, knee, shoulder, elbow, wrist, ankle and spinal disc replacement. Data for each state are presented individually with the exception of data for the Australian Capital Territory (ACT) and Northern Territory (NT) which have been combined. Wrist replacement procedures for South Australia (SA) and Western Australia (WA) have also been combined due to small numbers. This report provides information on joint replacement for the financial year 1 July 2021 to 30 June 2022. It also includes long term data from as early as 1994/95 which provides a national perspective on the changing rates of hip and knee replacement since that time. This Report is one of 16 supplementary reports to complete the AOANJRR Annual Report for 2023. Information on the background, purpose, aims, benefits and governance of the Registry can be found in the Introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report. The Registry data quality processes including data collection, validation and outcomes assessment, are provided in detail in the Data Quality section of the introductory chapter of the 2023 Hip, Knee and Shoulder Arthroplasty Annual Report: https://aoanjrr.sahmri.com/annual-reports-2023.
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Konnyu, Kristin J., Louise M. Thoma, Monika Reddy Bhuma, Wagnan Cao, Gaelen P. Adam, Shivani Mehta, Roy K. Aaron, et al. Prehabilitation and Rehabilitation for Major Joint Replacement. Agency for Healthcare Research and Quality (AHRQ), November 2021. http://dx.doi.org/10.23970/ahrqepccer248.

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Objectives. This systematic review evaluates the rehabilitation interventions for patients who have undergone (or will undergo) total knee arthroplasty (TKA) or total hip arthroplasty (THA) for the treatment of osteoarthritis. We addressed four Key Questions (KQs): comparisons of (1) rehabilitation prior (“prehabilitation”) to TKA versus no prehabilitation, (2) comparative effectiveness of different rehabilitation programs after TKA, (3) prehabilitation prior to THA versus no prehabilitation, (4) comparative effectiveness of different rehabilitation programs after THA. Data sources and review methods. We searched Medline®, PsycINFO®, Embase®, the Cochrane Register of Clinical Trials, CINAHL®, Scopus®, and ClinicalTrials.gov from Jan 1, 2005, to May 3, 2021, to identify randomized controlled trials (RCTs) and adequately adjusted nonrandomized comparative studies (NRCSs). We evaluated clinical outcomes selected with input from a range of stakeholders. We assessed the risk of bias and evaluated the strength of evidence (SoE) using standard methods. Meta-analysis was not feasible, and evidence was synthesized and reported descriptively. The PROSPERO protocol registration number is CRD42020199102. Results. We found 78 RCTs and 5 adjusted NRCSs. Risk of bias was moderate to high for most studies. • KQ 1: Compared with no prehabilitation, prehabilitation prior to TKA may increase strength and reduce length of hospital stay (low SoE) but may lead to comparable results in pain, range of motion (ROM), and activities of daily living (ADL) (low SoE). There was no evidence of an increased risk of harms due to prehabilitation (low SoE). • KQ 2: Various rehabilitation interventions after TKA may lead to comparable improvements in pain, ROM, and ADL (low SoE). Rehabilitation in the acute phase (initiated within 2 weeks of surgery) may lead to increased strength (low SoE) but result in similar strength when delivered in the post-acute phase (low SoE). No studies reported evidence of risk of harms due to rehabilitation delivered in the acute period following TKA. Compared with various controls, post-acute rehabilitation may not increase the risk of harms (low SoE). • KQ 3: For all assessed outcomes, there is insufficient (or no) evidence addressing the comparison between prehabilitation and no prehabilitation prior to THA. • KQ 4: Various rehabilitation interventions after THA may lead to comparable improvements in pain, strength, ADL, and quality of life. There is some evidence of no increased risk of harms due to the intervention (low SoE). • There is insufficient evidence regarding which patients may benefit from (p)rehabilitation for all KQs and insufficient evidence regarding comparisons of different providers and different settings of (p)rehabilitation for all KQs. There is insufficient evidence on costs of (p)rehabilitation and no evidence on cost effectiveness for all KQs. Conclusion. Despite the large number of studies found, the evidence regarding various prehabilitation programs and comparisons of rehabilitation programs for TKA and THA is ultimately sparse. This is a result of the diversity of interventions studied and outcomes reported across studies. As a result, the evidence is largely insufficient or of low SoE. New high-quality research is needed, using standardized intervention terminology and core outcome sets, especially to allow network meta-analyses to explore the impact of intervention attributes on patient-reported, performance-based, and healthcare-utilization outcomes.
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9

Hertz, Martin R. The Virtual Council of War: Relationships, Trust and Influence Between the Joint Forces Commander and His Air Component. Fort Belvoir, VA: Defense Technical Information Center, April 2002. http://dx.doi.org/10.21236/ada420690.

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10

Zhu, Qiqi, Jie Deng, Chong Xu, Meixi Yao, and Yu Zhu. Effects of physical activity on visuospatial working memory in healthy individuals: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, August 2022. http://dx.doi.org/10.37766/inplasy2022.8.0053.

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Review question / Objective: P: Healthy individuals (including children, adolescents, adults, and seniors); I: Individuals who join various physical activities (including aerobic exercise, HIT, yoga, resistance training, Tai Chi, balance training, skill training, et al); C: Individuals who have no movement, do reading, or do same as normal activities; O: 1-Back Test, 2-Back Test, Trail Making Test-A, Trail Making Test-B, Digit Span Forward, Digit Span Backward; S: Randomized Controlled Trial (RCT). Condition being studied: Healthy individuals without any cognitive disorders.
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