Thematische Bibliographien / Arthroscopy – Methods

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Auswahl der wissenschaftlichen Literatur zum Thema „Arthroscopy – Methods“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 10. Februar 2022

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Zeitschriftenartikel zum Thema "Arthroscopy – Methods"

Souza, Eduardo Dias de, Joao Luiz Vieira da Silva, Lucas Antônio Ferraz Marcon und João Elias Ferreira Braga. „Technical description of a low-cost ankle arthroscopy simulator“. Journal of the Foot & Ankle 14, Nr. 2 (30.08.2020): 173–77. http://dx.doi.org/10.30795/jfootankle.2020.v14.1135.

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Objective: To describe a low-cost, accessible, reproducible ankle arthroscopy simulator model which, after validation, will allow the development and improvement of technical skills required in arthroscopic surgical practice. Methods: This study describes the production of an ankle arthroscopy model that simulates camera, arthroscope, and ankle joint. Results: The simulator works properly when connected to a monitor, television, computer, or cell phone. Conclusion: A reproducible, accessible, low-cost ankle arthroscopy simulator can be developed using components available from local and online stores, with an approximate cost of R$232.00. Level Evidence V; Economic and Decision Analyses – Development of an Economic or Decision Model; Expert Opinion.

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Shultz, Christopher L., Samuel N. Schrader, Benjamin D. Packard, Daniel C. Wascher, Gehron P. Treme und Dustin L. Richter. „Is Diagnostic Arthroscopy at the Time of Medial Patellofemoral Ligament Reconstruction Necessary?“ Orthopaedic Journal of Sports Medicine 8, Nr. 8 (01.08.2020): 232596712094565. http://dx.doi.org/10.1177/2325967120945654.

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Background: Although medial patellofemoral ligament (MPFL) reconstruction is well described for patellar instability, the utility of arthroscopy at the time of stabilization has not been fully defined. Purpose: To determine whether diagnostic arthroscopy in conjunction with MPFL reconstruction is associated with improvement in functional outcome, pain, and stability or a decrease in perioperative complications. Study Design: Cohort study; Level of evidence, 3. Methods: Patients who underwent primary MPFL reconstruction without tibial tubercle osteotomy were reviewed (96 patients, 101 knees). Knees were divided into MPFL reconstruction without arthroscopy (n = 37), MPFL reconstruction with diagnostic arthroscopy (n = 41), and MPFL reconstruction with a targeted arthroscopic procedure (n = 23). Postoperative pain, motion, imaging, operative findings, perioperative complications, need for revision procedure, and postoperative Kujala scores were recorded. Results: Pain at 2 weeks and 3 months postoperatively was similar between groups. Significantly improved knee flexion at 2 weeks was seen after MPFL reconstruction without arthroscopy versus reconstruction with diagnostic and reconstruction with targeted arthroscopic procedures (58° vs 42° and 48°, respectively; P = .02). Significantly longer tourniquet times were seen for targeted arthroscopic procedures versus the diagnostic and no arthroscopic procedures (73 vs 57 and 58 min, respectively; P = .0002), and significantly higher Kujala scores at follow-up were recorded after MPFL reconstruction without arthroscopy versus reconstruction with diagnostic and targeted arthroscopic procedures (87.8 vs 80.2 and 70.1, respectively; P = .05; 42% response rate). There was no difference between groups in knee flexion, recurrent instability, or perioperative complications at 3 months. Diagnostic arthroscopy yielded findings not previously appreciated on magnetic resonance imaging (MRI) in 35% of patients, usually resulting in partial meniscectomy. Conclusion: Diagnostic arthroscopy with MPFL reconstruction may result in findings not previously appreciated on MRI. Postoperative pain, range of motion, and risk of complications were equal at 3 months postoperatively with or without arthroscopy. Despite higher Kujala scores in MPFL reconstruction without arthroscopy, the relationship between arthroscopy and patient-reported outcomes remains unclear. Surgeons can consider diagnostic arthroscopy but should be aware of no clear benefits in patient outcomes.

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Ellis, Henry, Eric Edmonds, Yi-Meng Yen, Philip Wilson, Emily Tran, Peter Cannamela und Kevin Shea. „CHALLENGES IN SMALL KNEE ARTHROSCOPY: A QUALITATIVE AND QUANTITATIVE PEDIATRIC CADAVERIC EXPERIENCE“. Orthopaedic Journal of Sports Medicine 8, Nr. 4_suppl3 (01.04.2020): 2325967120S0026. http://dx.doi.org/10.1177/2325967120s00267.

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Background: Arthroscopy may be utilized for treatment of septic arthritis of the pediatric knee, with success reported in ages from 3 months to 12 years. There is limited data on the ability to arthroscopically assess articular structures and ensure adequate evaluation without arthrotomy. Hypothesis/Purpose: The purpose of this study is: (1) utilize arthroscopy in small cadaveric knees to improve qualitative and quantitative knowledge of pediatric articular structures and (2) to obtain pilot data for common procedures performed in pediatric patients Methods: Five small pediatric cadaveric specimens (1-4 years) underwent arthroscopy (2.7 mm Stryker arthroscope). Medial and lateral compartments were assessed for meniscus size/mobility/height, compartmental joint space, ACL insertion, patellar chondral height and length, and position of the medial patellofemoral ligament were recorded. Utilizing standard anterior medial and lateral portals, the ability to visualize the structures of the posteromedial and posterolateral compartments was recorded. Procedures pertinent to immature ACL reconstruction and meniscal repair (unstable discoid) were critically evaluated to provide source data for future work. Results: Prior to arthroscopy, all specimens underwent volume-assessed knee insufflation (average 11.4 cc normal saline). Arthroscopic visualization of the menisco-capsular attachment was possible posteromedially in 4/6, and posterolaterally in 5/6 knees. Qualitative arthroscopic relationships were similar to adult references; including patellar-trochlear articulation and lateral meniscal positional relationship to the ACL insertion (see Figure 1). The ACL center was within 2 mm of the posterior aspect of the anterior horn of the lateral meniscus in all specimens. The average height of the medial compartment space under valgus load was 1.5 mm (1 – 2 mm), and lateral space under varus was 2.2 mm (2-3 mm); further emphasizing the need for small joint instruments. The width of the medial and lateral menisci are noted in Table 1. All-inside meniscal devices designed for skeletally mature specimens should be used with caution (Figure 1). Traditionally described inside-out technique for immature ACL reconstruction with an iliotibial band demonstrated significant proximity of the passing device to the neurovascular bundle (Figure 1). Conclusion: The entirety of the small knee is assessable via standard diagnostic arthroscopy, when a 2.7mm arthroscope is utilized. These findings suggest that intra-articular pathology can be reliably identified utilizing this surgical technique. However, the ability to work on the infant meniscus and cartilage with standard arthroscopic instruments is likely limited given the constraints of joint height. [Table: see text][Figure: see text]

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Carender, Christopher N., Alan G. Shamrock, Kyle R. Duchman, Natalie A. Glass, T. Sean Lynch und Robert W. Westermann. „Arthroscopy Volume in United States Residency Programs: Are New Trainees Prepared?“ Journal of Hip Surgery 03, Nr. 03 (07.08.2019): 124–29. http://dx.doi.org/10.1055/s-0039-1694766.

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AbstractArthroscopy is a technically demanding procedure with a prolonged learning curve. The purpose of this study is to determine if current arthroscopic case volume over the course of an orthopaedic surgery residency is sufficient to meet the number of cases required to achieve competence and/or mastery in complex arthroscopic tasks as well as hip arthroscopy. Publicly available Accreditation Council for Graduate Medical Education case log data for arthroscopic procedures from accredited orthopaedic residencies were reviewed from 2007 to 2017. Linear and segmental regression analyses were used to identify temporal trends, with significance set to p < 0.05. From 2007 to 2013, there was a significant increase in the median number of shoulder and knee arthroscopy case logs (p < 0.001). A sharp decline in the median number of shoulder and knee arthroscopy case logs was seen in 2013 to 2014 (p < 0.001), and the number remained low from 2014 to 2017 (p = 0.02, p = 0.03). The median number of hip arthroscopy procedures logged increased significantly from zero cases in 2012 (range: 0–48 cases) to five cases in 2017 (range: 0–76 cases) (p = 0.02). Over the study period, the median number of total arthroscopic procedures decreased from 301 to 186 (p = 0.01). In the United States, the majority of orthopaedic surgery residents graduate with case log numbers that meet theoretical minimum requirements for competence in basic diagnostic arthroscopy of the shoulder, hip, and knee. Resident experience with hip arthroscopy has increased; however, the majority of residents are graduating with little to no hip arthroscopy experience. Moreover, the median number of total arthroscopic procedures has declined to the point where the average graduate may not be able to perform complex hip or shoulder arthroscopy tasks based on previously published data. These findings support the need for further investigation into the best methods for training residents interested in performing arthroscopy as part of their careers. This was a level of evidence III, retrospective cohort study.

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MUTIMER, J., J. GREEN und J. FIELD. „Comparison of MRI and Wrist Arthroscopy for Assessment of Wrist Cartilage“. Journal of Hand Surgery (European Volume) 33, Nr. 3 (Juni 2008): 380–82. http://dx.doi.org/10.1177/1753193408090395.

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In order to perform motion-preserving procedures for wrist arthritis rather than total joint fusion, it is important to determine the integrity of specific areas of wrist cartilage. This is generally performed using a wrist arthroscope and by directly visualising the cartilage. Twenty patients with wrist pain were investigated over a 1-year period with both MRI and wrist arthroscopy. Kappa analysis was used to compare the two methods of cartilage assessment. There is only a fair correlation ( K = 0.38) between the two methods. With only a fair correlation between arthroscopy and MRI, it cannot be concluded that the two methods are equivalent for assessing wrist cartilage and, as such, wrist arthroscopy still has an important role to play in the assessment of a painful degenerative wrist.

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Heenan, G. Matthew, Kisan Parikh, Armin Tarakemeh, J. Paul Schroeppel, Scott Mullen und Bryan G. Vopat. „Arthroscopy in Lateral Ankle Ligament Stabilization Surgery: Costs, Complications, Intra-Articular Defect Diagnosis, and Reoperations“. Foot & Ankle Orthopaedics 4, Nr. 4 (01.10.2019): 2473011419S0020. http://dx.doi.org/10.1177/2473011419s00206.

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Category: Ankle, Arthroscopy Introduction/Purpose: Lateral ankle ligament stabilization may be performed with concomitant arthroscopy. Arthroscopy has been shown to aid in the diagnosis of intra-articular defects that often accompany lateral ankle ligament injuries. This study compares the differences in cost, complications, newly diagnosed intra-articular defects, and reoperations among patients with ankle sprain/chronic instability who underwent lateral ankle ligament repair/reconstruction with or without concomitant arthroscopic procedures. Methods: Data was collected from the PearlDiver Technologies Humana dataset using CPT and ICD9/10 codes. Patients included in this study (n=2,428) had records of ankle sprain or ankle instability prior to or on the same day as one of two procedures: lateral ankle ligament repair (n=1,236) or lateral ankle ligament reconstruction (n=1,211). This population was subdivided by whether patients had records of arthroscopic procedure(s) on the same day as the ligament surgery. This yielded four groups: repair with arthroscopy (n=314), repair without arthroscopy (n=922), reconstruction with arthroscopy (n=473), reconstruction without arthroscopy (n=738). Cost, complications, newly diagnosed intra-articular defects, and reoperations were assessed. Results: Cost was higher for arthroscopy groups: repair with arthroscopy ($5,991.32) versus repair without arthroscopy ($3,677.11; p<0.001); reconstruction with arthroscopy ($5,744.83) versus reconstruction without arthroscopy ($4,601.13; p=0.001). Proportionately more patients had complications in the repair without arthroscopy group than in the repair with arthroscopy group (9.87%, 5.41%; p=0.013). Proportionately more patients had newly-diagnosed intra-articular defects in arthroscopy groups: repair with arthroscopy (57.0%) versus repair without arthroscopy (35.6%; p<0.001); reconstruction with arthroscopy (63.0%) versus reconstruction without arthroscopy (39.8%; p<0.001). Proportionately more patients underwent reoperation for intra-articular defects in the combined arthroscopy group (6.89%) than in the combined non-arthroscopy group (4.18%; p=0.006). The average time until reoperation for intra-articular defects was shorter in the combined arthroscopy group (302.536 days) than in the combined non-arthroscopy group (473.886 days; p=0.045). Conclusion: Concomitant arthroscopy with lateral ankle ligament surgery is more expensive but does not appear to increase the overall complication rate and may allow surgeons to diagnose and treat more intra-articular pathology. Among patients requiring reoperation for intra-articular defects, the average time to reoperation was over 5 months shorter for patients receiving arthroscopy than for patients who did not receive arthroscopy.

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Bonilla, Alvaro G. „Standing Needle Arthroscopy of the Metacarpophalangeal and Metatarsophalangeal Joint for Removal of Dorsal Osteochondral Fragmentation in 21 Horses“. Veterinary and Comparative Orthopaedics and Traumatology 32, Nr. 05 (24.05.2019): 420–26. http://dx.doi.org/10.1055/s-0039-1688984.

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Abstract Objective The aim of this study was to report the technique, experience and outcome of standing arthroscopic removal of dorsal osteochondral fragmentation of the metacarpophalangeal and metatarsophalangeal joint using a 1.2-mm needle arthroscope. Study Design This was a prospective clinical study. Materials and Methods All horses referred for standing arthroscopic removal of dorsoproximal first phalanx fragments or fragments embedded in the distal aspect of the synovial plica were included. Relevant information from the cases was recorded. Follow-up was obtained by a telephone questionnaire. Results Twenty-one horses with a mean age of 4.5 years old were included. Osteochondral fragments removed were from the proximal margin of first phalanx in 18 horses (24 joints), in the synovial plica in 2 horses (2 joints) or free-floating fragment in 1 horse (1 joint). Fifteen out of twenty-one horses were unilaterally affected and 6/21 bilaterally. Fifteen out of twenty-seven affected joints were forelimbs and 12/27 hindlimbs. All articular structures within the dorsal recess of the joint were visible. The arthroscope was deemed easy to use and manoeuvre. Only minor complications occurred during the procedure. Surgery time was 15 to 20 minutes for most patients. Conclusions All fragments were successfully removed and needle arthroscopy allowed a thorough evaluation of the dorsal aspect of the joint. The technique offers an alternative for standing fetlock arthroscopy for surgeons concerned about equipment damage or portability.

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Kim, Jeon-Gyo, Heuichul Gwak und Sangmyung Roh. „Second-Look Arthroscopic Findings and Clinical Outcomes After Management of Intra-Articular Lesions in Acute Ankle Fractures with Arthroscopy“. Foot & Ankle Orthopaedics 2, Nr. 3 (01.09.2017): 2473011417S0000. http://dx.doi.org/10.1177/2473011417s000054.

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Category: Ankle, Arthroscopy, Trauma Introduction/Purpose: Anatomically successful surgical reduction of ankle fractures does not always result in a clinically favorable outcome. The purpose of the present study was to compare initial and second look arthroscopic finding of acute ankle fracture and to evaluate clinical outcomes. Methods: A total of 39 patients (40 ankles, 20 male, 20 female) who underwent surgery for ankle fracture between March 2009 and August 2016 were retrospectively reviewed. All patients gave consent to the exploratory arthroscopic surgery for the removal of internal fixation devices placed in the initial surgery. Intra-articular lesions (osteochondral lesion, loose body, injury of ligaments and fibrosis) were evaluated via ankle arthroscopy. Arthroscopic finding of osteochondral lesion were classified using the Ferkel and Cheng staging system, and cartilage repair was assessed using the international Cartilage Repar System (ICRS). Clinicial outcomes were evaluated using the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot scale and Visual Analogue Scale (VAS) Results: Chondral lesions were found in 26 ankles (65%) with initial arthroscopic finding of acute ankle fracture. Newly discovered chondral lesions in second-look arthroscopy was 15 cases. Accoding to the Ferkel and Cheng staging at second-look arthroscopy, 4 of 23 ankles with chondral lesions of talus was getting worse (more than stage D). In terms of ICRS overall repair grades, 4 ankle (15%) were abnormal (grade III). Diffuse synovitis and arthrofibrosis were found in 12 and 7 ankles respectively in second-look arthroscopy. Correlation were found between AOFAS scores, VAS and intra-articular lesions with second-look arthroscopy. Conclusion: Second-look arthroscopic examination combined with treatment of intra-articular lesion arising from ankle fracture surgery may consider to improve clinical outcomes.

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Heenan, G. Matthew, Kisan B. Parikh, Armin Tarakemeh, Scott M. Mullen, John Paul Schroeppel und Bryan George Vopat. „Arthroscopy in Lateral Ankle Ligament Stabilization Surgery: Costs, Complications, Intra-Articular Defect Diagnosis, and Reoperations“. Orthopaedic Journal of Sports Medicine 7, Nr. 7_suppl5 (Juli 2019): 2325967119S0032. http://dx.doi.org/10.1177/2325967119s00325.

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Objectives: Lateral ankle ligament stabilization may be performed with concomitant arthroscopy. Arthroscopy has been shown to aid in the diagnosis of intra-articular defects that often accompany lateral ankle ligament injuries. This study compares the differences in cost, complications, newly diagnosed intra-articular defects, and reoperations among patients with ankle sprain/chronic instability who underwent lateral ankle ligament repair/reconstruction with or without concomitant arthroscopic procedures. Methods: Data was collected from the PearlDiver Technologies Humana dataset using CPT and ICD9/10 codes. Patients included in this study (n=2,188) had records of ankle sprain or ankle instability prior to or on the same day as one of two procedures: lateral ankle ligament repair (n=1,141) or lateral ankle ligament reconstruction (n=1,063). This population was subdivided by whether patients had records of arthroscopic procedure(s) on the same day as the ligament surgery. This yielded four groups: repair with arthroscopy (n=219), repair without arthroscopy (n=922), reconstruction with arthroscopy (n=325), reconstruction without arthroscopy (n=738). Cost, complications, newly diagnosed intra-articular defects, and reoperations were assessed. Results: Average cost per patient was higher for both arthroscopy groups: repair with arthroscopy ($6,207.78) versus repair without arthroscopy ($3,677.11; p < 0.0001); reconstruction with arthroscopy ($5,758.21) versus reconstruction without arthroscopy ($4,601.13; p = 0.0039). There was a significantly higher proportion of patients with complications in the reconstruction without arthroscopy group than in the reconstruction with arthroscopy group (7.59%, 4.31%; p = 0.0431), but the difference between repair groups was insignificant (p = 0.0626). The proportion of patients with newly diagnosed intra-articular defects was significantly higher in both arthroscopy groups: repair with arthroscopy (53.0%) versus repair without arthroscopy (35.6%; p < 0.0001); reconstruction with arthroscopy (56.0%) versus reconstruction without arthroscopy (39.8%; p < 0.0001). There was a significantly higher proportion of patients who underwent reoperation for intra-articular defects in the combined (repair plus reconstruction) arthroscopy group (7.18%) than in the combined non-arthroscopy groups (4.91%; p = 0.049). Most importantly, the average time until reoperation for intra-articular defects was significantly shorter in the combined arthroscopy group (271.923 days) than in the combined non-arthroscopy group (411.473 days; p = 0.024). Conclusion: Concomitant arthroscopy with lateral ankle ligament surgery is more expensive but does not appear to increase the overall complication rate and may allow surgeons to diagnose and treat more intra-articular pathology. Among patients requiring reoperation for intra-articular defects, the average time to reoperation was nearly 5 months shorter for patients receiving arthroscopy than for patients who did not receive arthroscopy.

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Desai, Mihir J., Hari Ramalingam und David S. Ruch. „Heterotopic Ossification After the Arthroscopic Treatment of Lateral Epicondylitis“. HAND 12, Nr. 3 (28.04.2017): NP32—NP36. http://dx.doi.org/10.1177/1558944716668844.

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Background: Heterotopic ossification (HO) is a well-known complication following the surgical treatment of fractures and dislocations about the elbow but it is not commonly discussed as a complication following arthroscopy. We present a case of a young athlete who developed HO after the arthroscopic treatment of lateral epicondylitis. Methods: This is a case report chart review of a 24 year old male with lateral epicondylitis. After failing conservative measures, arthroscopic debridement of the extensor carpi radialis brevis (ECRB) origin ensued. The treatment and patient’s final disposition were reported. Results: The patient developed heterotopic ossification of the elbow follow arthroscopic debridement of the ECRB origin. Further surgery was required to excise the heterotopic ossification. Good recovery of motion was achieved. Conclusion: To our knowledge, we present the first case of HO development after elbow arthroscopy for lateral epicondylitis. As the use of elbow arthroscopy continues to grow, there is a need for identification of the risk factors and primary prophylaxis for HO.

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Dissertationen zum Thema "Arthroscopy – Methods"

Jones, Christopher Wynne. „Laser scanning confocal arthroscopy in orthopaedics : examination of chondrial and connective tissues, quantification of chondrocyte morphology, investigation of matirx-induced autologous chondrocyte implantation and characterisation of osteoarthritis“. University of Western Australia. School of Mechanical Engineering, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0061.

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[Truncated abstract] Articular cartilage (AC) covers the surface of synovial joints providing a nearly frictionless bearing surface and distributing mechanical load. Joint trauma can damage the articular surface causing pain, loss of mobility and deformation. Currently there is no uniform treatment protocol for managing focal cartilage defects, with most treatment options targeted towards symptomatic relief but not limiting the progression into osteoarthritis (OA). Autologous chondrocyte implantation (ACI) and more recently matrix-induced autologous chondrocyte implantation (MACI), have emerged as promising methods for producing hyaline or hyaline-like repair tissue, however there remains some controversy regarding the exact histological nature of the tissue formed. Histological characterisation of AC repairs requires destructive tissue biopsy potentially inducing further joint pathology thereby negating the treatment effect. OA is recognised as a major cause of pain, loss of function and disability in Western populations, however the exact aetiology is yet to be elucidated. The assessment of both OA and cartilage repair has been limited to macroscopic observation, radiography, magnetic resonance imaging (MRI) or destructive biopsy. The development of non-destructive AC assessment modalities will facilitate further development of AC repair techniques and enable early monitoring of OA changes in both experimental animal models and clinical subjects. Confocal laser scanning microscopy (CLSM) is a type of fluorescence microscopy that generates high-resolution three-dimensional images from relatively thick sections of tissue. ... Biomechanical analysis suggested that the mechanical properties of MACI tissue remain inferior for at least three months. This study showed the potential of a multi-site sheep model of articular cartilage defect repair and validated its assessment via LSCA. Finally, the LSCA was used to arthroscopically image the cartilage of an intact fresh frozen cadaveric knee from a patient with clinically diagnosed OA. Images were correlated to ICRS (Outerbridge) Grades I-IV and histology. The LSCA gave excellent visualization of cell morphology and cell density to a depth of up to 200'm. Classical OA changes including clustering chondrocytes, surface fibrillation and fissure formation were imaged. Fair to moderate agreement was demonstrated with statistically significant correlations between all modalities. This study confirmed the viability of the LSCA for non-destructive imaging of the microstructure of the OA cartilage. In conclusion, the LSCA identified histological features of orthopaedic tissues, accurately quantified chondrocyte morphology and demonstrated classical OA changes. While the development and investigation of an ovine model of cartilage repair showed the treatment benefit of MACI, some biomechanical issues remain. Ultimately, the LSCA has been demonstrated as a reliable nondestructive imaging modality capable of providing optical histology without the need for mechanical biopsy. Medical Subject Headings (MESH): articular cartilage; autologous chondrocyte implantation; matrix-induced autologous chondrocyte implantation; biomechanics; cartilage; confocal microscopy; diagnosis; histology; image analysis; immunohistochemistry; magnetic resonance imaging; microscopy; osteoarthritis

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Viegas, Alexandre de Christo. „"Análise das propriedades biomecânicas dos tendões dos músculos tibial anterior e tibial posterior : estudo experimental em cadáveres humanos"“. Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-11042006-162408/.

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O autor estudou as propriedades biomecânicas dos tendões dos músculos tibial anterior e tibial posterior congelados a -20°C e a -86°C extraídos de cadáveres humanos frescos. Foram realizados ensaios mecânicos de tração até a ruptura e determinadas as seguintes propriedades: resistência máxima, coeficiente de rigidez, módulo de elasticidade e alongamento máximo relativo. Os dados obtidos foram comparados aos existentes na literatura relativos ao ligamento cruzado anterior, ligamento da patela e aos tendões dos músculos grácil e semitendíneo
The author studied the mechanical properties of the anterior and posterior tibialis muscle tendons frozen at -20°C and -86°C obtained from fresh-frozen human cadavers. The tendons were submitted to axial traction until failure and the following properties were determined: ultimate load, stiffness, modulus of elasticity and relative strain. Data obtained were compared to those from the literature related to the anterior cruciate ligament, patellar tendon, gracilis and semitendinous tendons

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Sasaki, Sandra Umeda. „Estudo comparativo entre dois métodos de tratamento da lesão do ligamento cruzado posterior por avulsão óssea na tíbia : amarrilho artroscópico e fixação com parafuso por via posterior aberta“. Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/5/5140/tde-19042007-115606/.

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Atualmente, os bons resultados na lesão do ligamento cruzado posterior por avulsão óssea na tíbia associam-se ao tratamento cirúrgico e precoce. A técnica convencional é a fixação com parafuso pela via de acesso posterior do joelho, com abordagem direta das estruturas vasculares e nervosas da região. Neste estudo experimental em 20 joelhos de cadáveres, buscamos apresentar uma alternativa com amarrilho por via artroscópica, comparando-o com a técnica convencional, através da inspeção direta e de testes biomecânicos. Houve falha na fixação de apenas um exemplar de cada método e medidas de deslocamento tibial posterior (p=0,23) e rigidez média (p=0,28) sem diferenças significativas entre as duas técnicas. Concluímos ser o amarrilho artroscópico viável e uma alternativa no tratamento desta lesão.
Nowadays, good results on the management of posterior cruciate ligament bony avulsion of the tibia are associated with early surgical repair. The usual method of treatment is the open posterior approach with screw fixation, wich requires popliteal neurovascular bundle direct manipulation. This study presents a new arthroscopic suture and compares it with the conventional technique, using biomechanical tests and direct inspection in cadaveric specimens (20 knees). On both methods there was a fixation fail in one knee. The analisys of tibial posterior displacement (p=0,23) and stiffness (p=0,20) were similar for the two methods. The Arthroscopic suture presented is an effective reattachment method for this fracture pattern.

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Švedienė, Saulė. „Evaluating the efficacy of intra-articular and perineural analgesia methods for the arthroscopic reconstruction of anterior cruciate ligament of the knee“. Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130930_092340-97167.

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Choice of optimal postoperative analgesia technique after anterior crutiate ligament repair remains challenging. Aiming to evaluate and compare the efficacy of intra-articular injection of morphine and neostigmine our prospective randomized clinical study compared pain intensity, consumption of adjunct analgesics and patient satisfaction during 48 postoperative hours in patients who, in addition to spinal block, received a single-shot femoral nerve block followed by the end-of-surgery intra-articular injection of morphine, neostigmine or placebo. Additionally, the former two were compared with continuous femoral nerve block with postoperative patient controlled analgesia infusion pump containing 0.1 % bupivacaine preset in 2 different regimens: with or without basal infusion. Our results show that there was only a single difference among intra-articular groups found on the 2nd postoperative day: a significantly better pain control at motion in neostigmine group than in the placebo group. There was no additive analgesic effect of i/a morphine. Also, we observed a significantly better pain control and patient satisfaction in continuous femoral perineural block PCA groups during the whole trial. There was a significant prevalence of the PCA analgesia regimen which implies the preset basal rate of 0.1% bupivacaine: a 5 ml bolus with a lockout period 30 min and basal infusion 5 ml/h.
Artroskopinė priekinio kryžminio raiščio rekonstrukcija – viena iš dažniausiai atliekamų ortopedinių operacijų. Adekvati skausmo kontrolė yra svarbi siekiant efektyvios ankstyvos reabilitacijos ir gerų funkcinių rezultatų, sutrumpinant gydymo ligoninėje trukmę. Atlikome randomizuotą perspektyvųjį dvigubai aklą placebu kontroliuojamą tyrimą panaudodami intrasąnarinius vaistus (morfiną ir neostigminą), derindami su vienkartine šlauninio nervo blokada. Taip pat tyrėme tęstinį skausmo malšinimą šlaunies perineuriniu kateteriu, taikydami du skirtingus paciento kontroliuojamos analgezijos režimus. Taikėme mažesnę vietinio anestetiko koncentraciją, siekdami selektyvesnės sensorinės blokados, mažesnės paros dozės, mažiau toksinių reakcijų. Tikrinome, ar tęstinis skausmo malšinimas yra veiksmingesnis nei vienkartinė nervo blokada su intrasąnarinėmis analgetikų injekcijomis. Intrasąnarinis morfinas turėjo panašų analgezinį poveikį kaip ir neostigminas paciento krūvio metu per visą tyrimo laiką (48 val.); tačiau neostigminas buvo patikimai efektyvesnis už placebą antrą pooperacinę dieną. Skausmo kontrolė ramybėje ir krūvio metu bei pacientų pasitenkinimas per visą tyrimą buvo geresni perineurinio skausmo malšinimo grupėse negu intrasąnarinėse. Intrasąnarinių grupių pacientų analgezijos efektyvumui priartėjus prie kateterinių grupių, nustatydavome didesnį papildomų analgetikų suvartojimą pirmosiose. Skausmo malšinimas 0,1% bupivakaino infuzija šlaunies perineuriniu kateteriu, taikant... [toliau žr. visą tekstą]

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Bücher zum Thema "Arthroscopy – Methods"

Johnson, Donald. Operative arthroscopy. 4. Aufl. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2013.

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Andrews, James R. Elbow arthroscopy. St. Louis: Mosby, 1994.

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Shoulder arthroscopy. 2. Aufl. Philadelphia: Lippincott William & Wilkins, 2003.

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Shoulder arthroscopy. New York: McGraw-Hill, Health Professions Division, 1994.

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Anikar, Chhabra, und Safran Marc R, Hrsg. Primer of arthroscopy. Philadelphia: Saunders/Elsevier, 2010.

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Shoulder arthroscopy. 2. Aufl. Philadelphia: Saunders, 2009.

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Beale, Brian. Small animal arthroscopy. Philadelphia, Pa: Saunders, 2003.

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E, Cooper Daniel, und Warner Jon J. P, Hrsg. Review of sports medicine and arthroscopy. Philadelphia: W.B. Saunders, 1995.

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Principles and practice of temporomandibular joint arthroscopy. St. Louis: Mosby-Year Book, 1996.

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TMJ arthroscopy: A diagnostic and surgical atlas. Philadelphia: Lippincott, 1993.

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Mehr Quellen

Buchteile zum Thema "Arthroscopy – Methods"

Lübbers, C., und W. E. Siebert. „Holmium:YAG Laser-Assisted Arthroscopy Versus Conventional Methods for Treatment of the Knee“. In Lasers in the Musculoskeletal System, 88–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56420-8_13.

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Passl, R. „A new method of replacing the anterior cruciate ligament“. In Surgery and Arthroscopy of the Knee, 172–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71022-3_64.

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Sloan, K. W. „A New Method of Depiciting the Relationship Between Patella and the Femur“. In Surgery and Arthroscopy of the Knee, 433. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72782-5_86.

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Torri, G., G. Bagnoli, E. Lozej, P. Cerea, G. Mistò, R. Ventura und V. Pietrogrande. „The Treatment of Hemophilic Knee Arthropathy and Inferior Limb Discrepancies by the “Ilizarov” Method“. In Surgery and Arthroscopy of the Knee, 656. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72782-5_131.

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Lafosse, L. „Surgical Methods for the Arthroscopic Repair of the Rotator Cuff using Absorbable Panolok RC Anchors with Panacryl Sutures“. In Schulterinstabilität — Rotatorenmanschette, 206–12. Heidelberg: Steinkopff, 1999. http://dx.doi.org/10.1007/978-3-642-58711-5_19.

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Alfredson, Håkan, Lotta Willberg, Lars Öhberg und Sture Forsgren. „Ultrasound and Doppler-Guided Arthroscopic Shaving for the Treatment of Patellar Tendinopathy/Jumper’s Knee: Biological Background and Description of Method“. In Atlas of the Patellofemoral Joint, 181–82. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-4495-3_25.

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Alfredson, Håkan, Lotta Willberg, Lars Öhberg und Sture Forsgren. „Ultrasound and Doppler-Guided Arthroscopic Shaving for the Treatment of Patellar Tendinopathy/Jumper’s Knee: Biological Background and Description of Method“. In Anterior Knee Pain and Patellar Instability, 367–71. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-507-1_27.

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Ebnezar, John, und Rakesh John. „Arthroscopy“. In Textbook of Orthopedics (Includes Clinical Examination Methods in Orthopedics), 791. Jaypee Brothers Medical Publishers (P) Ltd., 2017. http://dx.doi.org/10.5005/jp/books/13033_64.

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Ebnezar, John, und Rakesh John. „Standard Arthroscopy Portals“. In Textbook of Orthopedics (Includes Clinical Examination Methods in Orthopedics), 794. Jaypee Brothers Medical Publishers (P) Ltd., 2017. http://dx.doi.org/10.5005/jp/books/13033_65.

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Ebnezar, John, und Rakesh John. „9-Point Diagnostic Knee Arthroscopy“. In Textbook of Orthopedics (Includes Clinical Examination Methods in Orthopedics), 797. Jaypee Brothers Medical Publishers (P) Ltd., 2017. http://dx.doi.org/10.5005/jp/books/13033_66.

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Konferenzberichte zum Thema "Arthroscopy – Methods"

Wheeler, Daniel J., Tigran Garabekyan, Roberto Lugo, Jenni M. Buckley, Marielena Lotz, Jeffrey C. Lotz und C. Benjamin Ma. „Biomechanical Comparison of Open Transosseous Versus Arthroscopic Suture Anchor Repair of the Subscapularis Tendon“. In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-193161.

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There has been interest in improving arthroscopic subscapularis repairs due to their popularity and efficacy when compared to open subscapularis repairs. However, previous biomechanical analyses of rotator cuff repairs have typically focused on the supraspinatus tendon [1–5]. Testing repair techniques in the subscapularis tendon requires the modification of previously established biomechanical testing methods. Most rotator cuff tendon tests have utilized axial loading on supraspinatus and infraspinatus tendons [1–4]. Most subscapularis tendons are torn with forced external rotation of the shoulder. Axial loading of the subscapularis tendon would not be representative of the injury mechanism. Additionally, past rotator cuff studies have employed a variety of techniques for clamping tendons, including freezing clamps and soft tissue grips. Such methods offer insufficient fixation for tendons that have high muscle content, such as the subscapularis. Several studies have focused on the repair’s ability to restore the appropriate healing environment at insertion footprint. These investigations have used either digitizers or pressure-sensitive film to measure contact area [5–7]. However, there are questions concerning the repeatability and accuracy of the results provided by these techniques. The objective of this study was to compare the biomechanical performance of open, transosseous fixation with that of the arthroscopic, suture anchor technique for subscapularis repair, while making three specific improvements to current testing methods. It sought to: 1) apply physiologically accurate loads to the subscapularis using cyclic, external rotation, 2) identify an effective method of clamping tendons with high muscle content, such as the subscapularis, and 3) introduce a novel, tactile pressure measurement system that measures contact pressure and area in real-time.

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van der Burg, Erik. „Soft Tissue Fixation and Implant Development: Session Summary“. In ASME 2009 4th Frontiers in Biomedical Devices Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/biomed2009-83071.

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Sports medicine/joint preservation represents one of the fastest growing segments of orthopedic markets. It is estimated that the frequency of rotator cuff repair alone is increasing between 10 and 20% per year. Similar to the ongoing evolution in other medical specialties (cardiology, general surgery), an increasing number of joint preservation procedures are transitioning to less invasive techniques. However, there are significant unmet needs as soft tissue repair transitions from invasive open surgical techniques to less invasive arthroscopic methods.

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