Gotowe bibliografie tematyczne / Hip joint - Surgery

Gotowa bibliografia na temat „Hip joint - Surgery”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 30 lipca 2024

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Artykuły w czasopismach na temat "Hip joint - Surgery"

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Кузник, Б. И., Ю. Н. Смоляков, С. О. Давыдов i Д. С. Партс. "State of microcirculatory hemodynamics during knee and hip joint transplantation surgery". Zhurnal «Patologicheskaia fiziologiia i eksperimental`naia terapiia», nr 3 (30.09.2022): 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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Balderston, Richard A. "Surgery of the Hip Joint." Journal of Bone & Joint Surgery 71, nr 2 (luty 1989): 317. http://dx.doi.org/10.2106/00004623-198971020-00029.

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Kołodziejczyk, Kamil, Adam Czwojdziński, Andrzej Sionek i Jarosław Czubak. "Assessment of the endoprosthesis offset in a dysplastic coxarthrosis". Acta Orthopaedica Belgica 88, nr 3 (wrzesień 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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Ijaz, Rimsha, Saba Riaz i Sania Maqbool. "Comparing Prognosis of Hip Replacement Outcomes with and without Post-Operative Physiotherapy Sessions: A Five-Year Retrospective Review (2018-2022)". International Health Review 3, nr 1 (15.06.2023): 1–19. http://dx.doi.org/10.32350/ihr.31.01.

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The hip joint is a ball and socket joint that supports body weight and is responsible for locomotion. Hip replacement surgery is mostly performed when hip pain significantly impedes daily life activities and when non-surgical treatments are ineffective in certain cases. The most common cause of hip replacement is damaged hip joint, which can cause arthritis. Therefore, physical therapy after the replacement surgery of major joints is generally considered helpful for a good prognosis. However, if the patients are given the usual care recommended by the surgeons, the patients recover in the same manner as they do with the physical therapy sessions or the physical therapy usually accelerates the recovery process and prevents future complications. Thus, the current study provides a comprehensive of the recovery of patients who have undergone hip arthroplasty, with or without physical therapy training programs.
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Pazarci, Ozhan, Seyran Kilinc, Yalkin Camurcu i Okay Bulut. "Total hip arthroplasty after hip joint gunshot injury". Journal of Orthopaedic Surgery 27, nr 3 (wrzesień 2019): 230949901987311. http://dx.doi.org/10.1177/2309499019873113.

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Background: Gunshot injury of the hip joint was reported to constitute 2–17% of all extremity firearm injuries. However, there are few studies in the literature related to gunshot injuries of the hip joint. The aim of the current study was to present the results of 10 cases treated with arthroplasty following a gunshot injury to the hip joint together with the recommended treatment algorithm. Methods: Patients with a previous medical history of hip joint region gunshot injury who underwent total hip arthroplasty were retrospectively evaluated. Those with incomplete medical records or who were lost to follow-up were excluded. Patients were classified according to the severity of the previous gunshot injury to the hip joint region. Harris hip score (HHS) and Short Form-12 quality of life score were the main outcome measurements. Postoperative complications encountered during follow-up were recorded. Results: The mean age of the patients at the time of surgery was 29.9 years. The mean preoperative HHS was 25.2 points and it was 65.8 at the final follow-up. Patients with bullet fragments in the hip joint, classified as group 1, had better HHS, whereas those with contaminated hip joint with intestinal flora, classified as group 3, had worst HHS. Conclusion: Hip arthroplasty after hip joint gunshot injury is a good treatment choice in young patients to reduce pain and regain functions. However, very high infection rates can be seen in patients with accompanying intestinal injury.
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Ide, Takatoshi, Noriya Akamatsu i Ikumasa Nakajima. "Arthroscopic surgery of the hip joint". Arthroscopy: The Journal of Arthroscopic & Related Surgery 7, nr 2 (czerwiec 1991): 204–11. http://dx.doi.org/10.1016/0749-8063(91)90109-b.

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NOZAWA, MASAHIKO. "Reconstructive surgery of the hip joint". Juntendo Medical Journal 37, nr 3 (1991): 385–94. http://dx.doi.org/10.14789/pjmj.37.385.

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Farese, James P., George Lust, Alma J. Williams, Nathan L. Dykes i Rory J. Todhunter. "Comparison of measurements of dorsolateral subluxation of the femoral head and maximal passive laxity for evaluation of the coxofemoral joint in dogs". American Journal of Veterinary Research 60, nr 12 (1.12.1999): 1571–76. http://dx.doi.org/10.2460/ajvr.1999.60.12.1571.

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Abstract Objective To determine whether dorsolateral subluxation (DLS) of the femoral head reflects osseous conformation of the coxofemoral (hip) joint and represents a property distinct from maximum passive laxity of the hip joint in dogs. Animals 14 Labrador Retrievers, 16 Greyhounds, 58 Greyhound-Labrador Retriever mixed-breed dogs, and 1 Rottweiler. Procedures DLS of the femoral head (DLS score) and passive laxity of the hip joint (distraction index) were determined radiographically in 3 groups of dogs: not treated (167 joints of 84 dogs); before and after injecting 2 ml of hyaluronan into 25 hip joints of 13 dogs; and before and after unilateral triple pelvic osteotomy in 5 dogs. Results of the 2 methods were compared for each group. Results In untreated dogs, the correlation coefficient (r) of DLS score versus distraction index was −0.73 and −0.69 for 84 left and 83 right hip joints, respectively. Mean coefficient of determination (r2) for both hips was 0.5. Mean DLS score did not differ before and after intra-articular injection of hyaluronan into either hip joint, whereas mean distraction index increased significantly after intra-articular injection. Unilateral triple pelvic osteotomy resulted in a significant increase in DLS score, compared with values obtained before surgery. However, distraction index before and after surgery did not differ significantly. Conclusions and Clinical Relevance The DLS test assesses the congruity of the acetabulum and the femoral head in a canine hip joint and thus represents a characteristic distinct from maximum passive laxity. The DLS score and the distraction index evaluate different components of hip joint stability. (Am J Vet Res 1999;60:1571–1576)
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Gakhramanov, A. G., B. S. Atilla, M. S. Alpaslan, M. N. Tokgez i D. M. Aksoy. "Long-term results of treatment of patients with hip displasia by Ganz osteotomy". Kazan medical journal 96, nr 6 (15.12.2015): 990–94. http://dx.doi.org/10.17750/kmj2015-990.

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Aim. To analyze the long-term results of treatment of patients with arthrosis and hip dysplasia treated by Ganz osteotomy. Methods. 71 patients operated by Ganz osteotomy in 1995-2010 were examined. A total of 83 joints were operated. Tonnis, Wiberg, Leguesne angles, joint medialization, head coating index were measured. The arthrosis degree was determined radiologically according to Tonnis classification. Patients included 58 women and 13 men. Hip joint status was evaluated using the Harris Hip Score (HHS) system. Results. Ganz osteotomy resulted in radiological parameters improvement: Tonnis angles improved by 65.6%, Wiberg - by 5 times, Lequesne - by 6.7 times. Medialization improved by 18.2%, the coating index - by 40.3%. Radiological arthrosis degree according to Tonnis classification was 0 in 43 joints, 1 - in 4 joints before surgery. After surgery, during examination arthrosis degree was 0 - in 18 joints, 1 - in 38,2 - in 20,3 - in 7 cases. In 21 joints the transition from the 0 to the 1st arthrosis degree, in 4 joints - from 0 to the 2nd degree was registered. In 16 joints transition from the 1st to the 2nd arthrosis degree was registered, in 7 joints - from the 1st to the 3rd degree. As a result of the treatment hip joint functional parameters improvement was found, the HHS rate before the surgery was 62.6 points, after the surgery - 82.8 points. The minor and major complications rate measured up to 23 and 15% respectively. Conclusion. Patients were examined 7.5 years after the surgery in average; in our series, total prostheses after osteotomy was performed in 3 patients (4 joints), in one case, due to postoperative subluxation Schanz osteotomy was performed; it was managed to preserve biological joint in 95.18% of cases.
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Marks, Ray. "Can Vitamin D Mitigate Osteoarthritic Hip Joint Arthroplasty Infections Among Older Adults? A Narrative Overview of the Literature Amidst COVID-19 Lockdowns and Beyond". Journal of Aging Research and Healthcare 3, nr 4 (16.01.2021): 10–21. http://dx.doi.org/10.14302/issn.2474-7785.jarh-21-3702.

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Background Older adults with hip joint osteoarthritis, a major cause of chronic progressively disabling highly painful functional experiences, may require a surgical joint replacement procedure known as total joint arthroplasty surgery. Objective This review aimed to address the question of whether there an association between hip joint arthroplasty infection rates and prevailing pre or preoperative vitamin D levels that warrants consideration in efforts to prevent or minimize infection related hip arthroplasty complications among older adults particularly during the current ongoing COVID-19 pandemic. Methods PUBMED, SCOPUS, and WEB OF SCIENCE articles related to the topic and published between January 2016-2021 were searched, examined, and summarized. Results Older adults with hip joint osteoarthritis and low vitamin D serum levels who undergo total hip joint arthroplasty surgery may be at higher risk for post-operative infections than those with adequate vitamin D serum levels. Conclusion More research to verify whether efforts to screen for, and maximize vitamin D levels, before and after surgery, as indicated, may be helpful in the context of minimizing total hip joint arthroplasty surgery infection susceptibility and severity among older vitamin D deficient severely disabled hip osteoarthritis cases.
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Rozprawy doktorskie na temat "Hip joint - Surgery"

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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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Miles, Brad. "Reducing the risk of peri-prosthetic femoral fracture : prothesis, patient or procedure?" Phd thesis, Faculty of Engineering and Information Technologies, 2012. http://hdl.handle.net/2123/9987.

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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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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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Santos, Catelli Danilo. "Femoroacetabular Impingement Syndrome and Total Hip Arthroplasty: Joint Biomechanics Before and After Surgery". Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38638.

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Surgical interventions on the hip joint have greatly increased over the past decade, with the cumulative cost total hip arthroplasties (THA) alone exceeding $400B/year by 2020. Although positive patient-reported outcomes and satisfaction after THA and hip preservation for cam femoroacetabular impingement (FAI) are among the highest in orthopaedics, a limited number of research has investigated the biomechanics of dynamic activities following-up the surgery. This doctoral thesis examined the kinematics, muscle force component, and hip contact loading in pre- and postoperative patients during the deep squat motion. Specifically, this research: 1) examined muscle strength and pelvic kinematics in asymptomatic FAI, 2) examined lower-limb kinematics and muscle activity in postoperative patients who underwent either THA or FAI correction during a deep squat task, and 3) examined muscle force contributions and hip contact forces (HCF) during dynamic motion in postoperative FAI patients. First, clinical and medical imaging evaluations classified the participants into three groups: symptomatic FAI, asymptomatic FAI (FAD – participants had the cam deformity, but no pain), and healthy controls. The FAD participants had significantly greater hip extensor strength compared to the FAI and CTRL groups, which allowed them to achieve greater pelvic mobility and squat as deep as the CTRL group. Second, at the follow-up for the FAI surgery the patients showed increased pelvic ROM during the squat, and weakness associated with hip flexion and hip flexion-with-abduction were associated with postoperative alterations. For the THA follow-up analyses, the patients using a dual- mobility (DM) prosthesis reached an anterior pelvic tilt similarly to the CTRL during the dynamic parts of the squat; however, without returning its neutral tilt at the bottom of the squat, while the single- bearing (SB) prosthesis was associated with excessive hip abduction during the squat. Third, a generic full-body musculoskeletal model (MSKM) was optimized to allow for the analysis of tasks with a high range of motion (ROM; e.g. deep squat task), which controlled muscle moment arms during the high joint flexions to avoid the model’s motor tendon units (MTU) to penetrate the bony structures and respect the anatomical via points. Simulation performed during gait demonstrated that FAI patients enhance medial-lateral hip stability postoperatively, allowing reduced dynamic forces of the muscles associated with the sagittal aspect of the gait due to a less compensatory strategy to stabilize the hip joint. Furthermore, simulations performed during deep squat showed a higher anterior pelvic tilt in postoperative FAI patients as a ‘restore to native’ mechanism once the cam-deformity was no longer present. Increased semimembranosus force was linked to higher vertical HCF and total magnitude. The outcomes of this research include findings for gait and squat analyses that provide a better understanding of the pelvic mobility and hip muscle forces in hip diseases. In silico models can improve biomechanical assessment of postoperative patients in order to quantify surgical effectiveness and support clinicians in making subject-specific case decisions. The contributions also lay on the assertion of helping us to formulate future research directions in biomechanics applied to the orthopaedics field.
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Sun, Dan. "Abrasion-corrosion of cast CoCrMo in simulated hip joint environments". Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/67337/.

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Metal-on-metal (MoM) hip joint replacements have been increasingly used for younger and more active patients in recent years due to their improved wear performance compared to conventional metal-on-polymer bearings. MoM bearings operate at body temperature within a corrosive joint environment and therefore are inevitably being subjected to wear and corrosion as well as the combined action of tribo-corrosion. Issues such as metal sensitivity/metallosis associated with high levels of metal ion release triggered by the wear and corrosion products remain critical concerns. During the past few decades, significant research has been conducted into understanding the wear/lubrication mechanisms within the MoM hip joints in order to improve their performance and thereby prolonging their life. However, not much attention has been given to the combined effect of wear and corrosion of such devices in the hip joint environment, in addition, the role of third body particles and the effects of proteins have not been well understood. In this work, a systemic approach is presented for the first time for the mapping of abrasion and tribo-corrosion performance of a cast CoCrMo (F75) in simulated hip joint environments. The effects of third body particles have been studied in the MoM context using 4 μm SiC, 1 μm and 300 nm Al2O3, as well as sub-micron BaSO4. Modified tribo-testers (micro-abrasion, nanoindenter/scratching) incorporating a novel electrochemical cell have been used to monitor the abrasion-corrosion behaviour of the alloy in situ. The effects of solution chemistry, abrasives size / concentration and presence of proteins on the wear / corrosion level, wear-corrosion mechanisms, and the depassivation/repassivation kinetics of the CoCrMo have been explored. A variety of surface and sub-surface characterization techniques have been employed to identify the microstructual wear mechanism interactions. Results show that the change of protein concentration (0, 25% and 50% bovine serum) and pH (pH 7.4 and pH 4.0) of the test solutions can significantly influence the protein adsorption behaviour, which subsequently influence the wear rates (synergy), wear mechanisms as well as the wear-induced corrosion currents of the CoCrMo. For abrasion-corrosion tests, reducing abrasive size from 4 μm to 300 nm and/or abrasive volume concentration from 0.238 vol% to 0.006 vol% results in different abrasion-corrosion wear mechanisms (rolling or grooving abrasion) and the average wear-induced corrosion currents show a linear correlation with wear rates for 4 μm and 1 μm abrasives. For low volume concentration (< 0.03 vol%) slurries containing bovine serum, organo-metallic conglomerates have been found within the wear scars. These conglomerates help separate the surfaces, impose less damage to the surface passive film and polish the wear scars through a chemical mechanical polishing mechanism. In addition, tribo-corrosion tests at micro-/nano- scales reveal the effects of single abrasive particle on the surface/sub-surface microstructual change. This investigation has revealed the nanoscale wear mechanisms that generate nanoscale wear debris, the mechanical mixing of the surface nanostructure with adsorbed denatured protein and also the slip/dislocation systems that are present near and on abraded surfaces that are likely to disrupt the surface passive films. The findings give a better understanding of the evolution of the sub-surface nanocrystalline structures and tribo-layers formation seen for the retrieved implants. This near surface nanostructure layer and phase transformation might offer better wear resistance through these inherent self-protecting mechanisms (i.e. increased hardness); conversely, it may become the precursors to debris ejection and enhanced ion-release into the CoCrMo joints. This work established an experimental technique that gives greater understanding of the tribocorrosion behaviour of cast CoCrMo in simulated hip joint environments. In particular, the roles of third body abrasive particles and proteins have been addressed, which are relevant to clinical applications. The material multi-scale wear mechanisms as well as the evolution of the surface / subsurface microstructures and tribo-layers have been elucidated, which provide new insights into the in vivo wear mechanisms of CoCrMo. The findings of this study may provide some important indications for improved MoM joint materials, design, manufacture and evaluation.
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Kamucha, George N. "A non-invasive registration technique in hip-joint replacement surgery using laser radar imaging". Kassel : Kassel Univ. Press, 2003. http://deposit.d-nb.de/cgi-bin/dokserv?idn=970519281.

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Kamucha, George N. [Verfasser]. "A non-invasive registration technique in hip-joint replacement surgery using laser radar imaging / George N. Kamucha". Kassel : Kassel Univ. Press, 2003. http://d-nb.info/970519281/34.

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Hon, Suet, i 韓雪. "Effectiveness of multi-factorial interventions in reducing post-operative delirium among elderly patients with hip fracture". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/193053.

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According to the World Health Organisation, hip fracture among elderly people is a global public health problem, with 1.7 million cases worldwide in 1991, a figure due to the aging population and believed likely to increase. Post-operative delirium is a common complication following hip-fracture surgery, and occurs in 25% to 65% of cases (Gustafson 1988). It not only affects the rehabilitation progress of the elderly, but also prolongs hospitalisation, which in turn increases the financial burden on the government. There are different ways of managing post-operative delirium among the elderly, including pharmacological and multifactorial interventions and education programmes. However, there is no standard nursing management of post-operative delirium in Hong Kong, and this affects both patient care and nursing standards. According to the National Institute for Health and Clinical Excellence (2011), multifactorial intervention is cost-effective and an effective method of reducing postoperative delirium, where nurses play an important role as gatekeepers, and thus allow such intervention to be introduced into the clinical setting. With this in mind, translational nursing research was performed by a review of four studies, to introduce the concept of multifactorial intervention to nurses, to formulate the implementation for the intervention, and finally to obtain feedback from colleagues.
published_or_final_version
Nursing Studies
Master
Master of Nursing
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Barros, Luciano Pereira de [UNESP]. "Estudo experimental e comparativo entre as técnicas de pino em cavilha com fio fluorcarbono monofilamentar e colocefalectomia para estabilização coxofemoral em cães". Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/89093.

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Made available in DSpace on 2014-06-11T19:23:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-10-06Bitstream added on 2014-06-13T19:50:51Z : No. of bitstreams: 1 barros_lp_me_jabo.pdf: 894125 bytes, checksum: 291c2da790713462f8653ad7c1ce412f (MD5)
No presente trabalho comparou-se, experimentalmente, duas técnicas: a estabilização coxofemoral com pino em cavilha ou “toggle pin” e a colocefalectomia. Foram utilizados 16 cães, machos ou fêmeas, distribuidos em dois grupos: o de Pino (GP) e o Colocefalectomia (GC), os quais foram separados em 4 subgrupos: animais com peso superior e, inferior ou igual a 15 kg. Avaliou-se o tempo de cirurgia, o grau de atrofia muscular, a deambulação e a dor, além de presença ou não de alterações radiograficas da articulação. O tempo cirúrgico, devido a maior complexidade da técnica do pino, foi menor no GC. A técnica do GP foi melhor quanto à recuperação do membro, apresentando menor atrofia muscular
On the present assay was compared experimentally between two techniques: hip joint stabilization with toggle pin and hip joint stabilization with head of the femur. Were used 16 dogs, female or male, distributed in 2 groups: the pin group (GP) and head of the femur group (GC), the groups were distributed in 4 subgroups: by weight equal, more or less than 15kg. Evaluating the time of surgery, and the notch of muscle atrophy, wander around the pain and also with the presence or not of alterations on the joint radiograph. The time of surgery is longer in the technique of pin than on the group GC, because the technique of pin had more complexity. So the technical of the group GP was better on the recovery member, which presented less muscle atrophy
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Książki na temat "Hip joint - Surgery"

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Nho, Shane, Michael Leunig, Bryan Kelly, Asheesh Bedi i Christopher Larson, red. 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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E, Cabanela Miguel, i Sedel Laurent, red. Hip surgery: Materials and developments. London: Martin Dunitz, 1998.

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Tronzo, Raymond G., red. Surgery of the Hip Joint. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4613-8628-5.

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Kazushi, Hirohata, Kurosaka M. 1951- i Cooke, T. D. V. 1938-, red. Joint surgery up to date. Tokyo: Springer-Verlag, 1989.

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1921-, Mathys Robert, i Robert-Mathys-Stiftung, red. Isoelastic hip prostheses: Manual of surgical and operative techniques. Seattle: Hogrefe & Huber Publishers, 1992.

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K, Sekiya Jon, Safran Marc R i Ranawat Anil S, red. Techniques in hip arthroscopy and joint preservation surgery. Philadelphia, PA: Saunders/Elsevier, 2011.

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Smet, Koen de, Pat Campbell i Catherine van der Straeten. The hip resurfacing handbook: A practical guide to the use and management of modern hip resurfacings. Sawston, Cambridge, UK ; Philadelphia, PA: Woodhead Publishing Limited, 2013.

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Bedi, Asheesh, J. W. Thomas Byrd i Allston J. Stubbs. AANA advanced arthroscopic surgical techniques: Hip. Thorofare, NJ: SLACK Incorporated, 2016.

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McCarthy, Joseph C. Early hip disorders: Advances in detection and minimally invasive treatment. New York: Springer, 2011.

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Imura, Shinichi. Hip Biomechanics. Tokyo: Springer Japan, 1993.

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Części książek na temat "Hip joint - Surgery"

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Strobel, Michael J. "Hip Joint". W 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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Amarasekera, Hiran. "Hip-Preserving Surgery". W The Hip Joint, 393–412. Wyd. 2. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003165460-19.

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Harwood, Paul, Rozalia I. Dimitriou i Peter V. Giannoudis. "Hip Joint". W 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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Mohtadi, Nicholas G. H. "Outcomes Following Hip Surgery". W Hip Joint Restoration, 961–66. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4614-0694-5_105.

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Guan, Junjie, Guangyi Li i Changqing Zhang. "Infectious Diseases in Hip Joint". W Hip Surgery, 179–85. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-9331-4_9.

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Khan, M. Munir, Paul Genever, James B. Richardson i Andrew W. McCaskie. "Cell Therapy in Hip Surgery". W Hip Joint Restoration, 949–56. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4614-0694-5_103.

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Karuppaiah, Karthik, i Mathew Gee. "Robotic-Assisted Surgery in Orthopaedics". W The Hip Joint, 529–54. Wyd. 2. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003165460-23.

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Dai, Shengming, Guangyi Li i Junjie Guan. "Inflammatory Diseases of the Hip Joint". W Hip Surgery, 165–78. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-9331-4_8.

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Weber, B. G. "Hip Arthrodesis". W Surgery of the Hip Joint, 393–419. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4613-8628-5_11.

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Ghosh, Sunit, Amo Oduro i Stephen Webb. "Anesthesia and Analgesia for Hip Surgery". W Hip Joint Restoration, 455–60. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4614-0694-5_44.

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Streszczenia konferencji na temat "Hip joint - Surgery"

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Kocjančič, Ema, i Boštjan Kocjančič. "From Hip Arthrosis to Hip Replacement Surgery – Total Hip Endoprosthesis". W 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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Changzheng Liu, L. Lv i Guiyun Ye. "Application of virtual reality in hip joint surgery". W IET 2nd International Conference on Wireless, Mobile and Multimedia Networks (ICWMMN 2008). IEE, 2008. http://dx.doi.org/10.1049/cp:20081049.

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Nandi, Soumitra, i Zahed Siddique. "Mass-Customization of Hip-Replacement Joint Design Using Shape Grammar". W 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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Yanagihara, Masaru, Jun Okamoto, Norihiro Mitsui i Masakatsu G. Fujie. "Robotic Creation of Operating Space for Minimally Invasive Hip Joint Surgery". W 2007 IEEE International Conference on Robotics and Automation. IEEE, 2007. http://dx.doi.org/10.1109/robot.2007.363865.

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Meyer, Donna M., i John A. Tichy. "Three-Dimensional Lubrication Model of an Artificial Hip Joint With Gait Analysis". W ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0418.

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Abstract The development of the hip prosthesis is a result of extensive collaboration between the medical and engineering fields. Although the technology to replace ailing human joints with artificial replicas is quite advanced, these remarkable advances require additional attention. In particular, extending the service life of a hip prosthesis is a primary consideration. An artificial hip joint may require revision surgery due to a number of contributions, one of which is extensive wear. Within the first few years following hip implantation, high amounts of wear particles form due to the contact of the articulating surfaces. The amounts of wear debris generated is a function of the material combinations of the rubbing surfaces of the joint, the amount of lubrication present in the joint during activity and the types and levels of activity.
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Langlotz, Frank, Manfred Stucki, Lutz P. Nolte i Jianxing Gong. "A System for Image Guided Computer Assisted Hip Surgery". W ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1094.

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Abstract The term periacetabular osteotomy (PAO) refers to a surgical intervention that attempts to correct dysplasia of the hip joint, particularly malposition of the acetabular roof which causes insufficient coverage of the femoral head. The procedure, as performed in Bern, consists of several osteotomies of the pubis, ischium, and ilium and a re-orientation of the acetabular fragment with subsequent fixation. Various solutions exist for a preoperative determination of the optimal re-orientation of the acetabular cup (Barrance et al., 1995, Klaue et al., 1988, Murphy et al., 1990). However, it has not been possible to apply the planning parameters accurately during the operation. In addition, some of the osteotomies have to be performed without direct visual access to the surgical object due to limitations in the anatomy and exposure. Consequently, there is potential to endanger the hip joint and surrounding structures. It is hypothesized that a combination of accurate 3D-motion tracking together with image interactive navigation may establish a link between surgical planning and execution. To our knowledge, this study introduces for the first time an operation-system for PAO that bridges surgical planning, secure intraoperative navigation during the osteotomies, and exact guidance during the re-orientation in accordance with a preoperative planning.
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Kremers, Hilal Maradit, Sunghwan Sohn i Walter K. Kremers. "Machine Learning Models for Prediction of Joint Infections Following Hip Replacement Surgery". W 2023 IEEE International Conference on Bioinformatics and Biomedicine (BIBM). IEEE, 2023. http://dx.doi.org/10.1109/bibm58861.2023.10385421.

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KOMPA, GÜNTER, i GEORGE KAMUCHA. "NON-INVASIVE INTRAOPERATIVE IMAGING USING LASER RADAR IMAGING IN HIP JOINT REPLACEMENT SURGERY". W Proceedings of the Scientific Workshop on Medical Robotics, Navigation and Visualization. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702678_0024.

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"MEDICAL REHABILITATION TECHNOLOGY FOR PATIENTS AFTER HIGH-TECH JOINT SURGERY". W СОВРЕМЕННЫЕ ПРОБЛЕМЫ ЭКОЛОГИИ И ЗДОРОВЬЯ НАСЕЛЕНИЯ. ЭКОЛОГИЯ И ЗДОРОВЬЕ НАСЕЛЕНИЯ. Иркутский научный центр хирургии и травматологии, 2023. http://dx.doi.org/10.12731/978-5-98277-383-8-art25.

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In the Irkutsk region up to 6 thousand endoprosthesis surgeries of hip and knee joints are performed. Patients require a second stage of medical rehabilitation in a specialized rehabilitation unit. The article presents the technology of medical rehabilitation, which is used for this category of patients, including assessment of rehabilitation prognosis, application of physical rehabilitation methods, correction of somatic pathology and psychological status.
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Li, Kristina Kangqiao, i Emily Geist. "Numerical Correction of Error in a Computer-Aided Mechanical Navigation System for Arthroscopic Hip Surgery". W ASME 2013 Conference on Frontiers in Medical Devices: Applications of Computer Modeling and Simulation. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fmd2013-16116.

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Computer-Aided techniques have been deployed more commonly in recent years to assist with surgical procedures, particularly in the case of minimally invasive surgeries. Arthroscopy, as one of the most prevailing minimally invasive surgical procedures, increases surgical complexity due to the loss of joint visibility, but has many advantages. More obstacles are encountered during hip arthroscopy, given the tight socket-joint hip anatomy. Therefore, computer-aided techniques could be used to ease such difficulties during hip arthroscopy.
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Raporty organizacyjne na temat "Hip joint - Surgery"

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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 i in. Patient Reported Outcome Measures: Hip, Knee and Shoulder Arthroplasty Supplementary Report. Australian Orthopaedic Association, październik 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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Konnyu, Kristin J., Louise M. Thoma, Monika Reddy Bhuma, Wagnan Cao, Gaelen P. Adam, Shivani Mehta, Roy K. Aaron i in. Prehabilitation and Rehabilitation for Major Joint Replacement. Agency for Healthcare Research and Quality (AHRQ), listopad 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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