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Knee arthroscopy

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https://www.readbyqxmd.com/read/28075623/identifying-hidden-zones-of-the-far-posterior-cartilage-of-the-femoral-condyles-not-visible-during-knee-arthroscopy
#1
Mark J Sando, Sean S Rajaee, Joseph P Liu, Michael Banffy, Orr Limpisvasti, John V Crues
OBJECTIVE: The purpose of this study was to compare standard knee arthroscopic and MRI findings and measurements for visualization of the femoral condyle articular cartilage. The hypothesis was that certain posterior cartilage defects identified with MRI may not be accessible with routine arthroscopy. MATERIALS AND METHODS: Six cadaveric knees were examined by routine arthroscopy through standard inferomedial and inferolateral portals. Suture anchors were inserted into the femoral condyles at 30°, 60°, 90°, and 120° of flexion as markers of the cartilage surface at the most posterior aspect of the condyle that could be accessed at each degree of flexion...
January 11, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28073670/simulation-based-training-platforms-for-arthroscopy-a-randomized-comparison-of-virtual-reality-learning-to-benchtop-learning
#2
Robert M Middleton, Abtin Alvand, Patrick Garfjeld Roberts, Caroline Hargrove, Georgina Kirby, Jonathan L Rees
PURPOSE: To determine whether a virtual reality (VR) arthroscopy simulator or benchtop (BT) arthroscopy simulator showed superiority as a training tool. METHODS: Arthroscopic novices were randomized to a training program on a BT or a VR knee arthroscopy simulator. The VR simulator provided user performance feedback. Individuals performed a diagnostic arthroscopy on both simulators before and after the training program. Performance was assessed using wireless objective motion analysis and a global rating scale...
January 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28056286/-efficacy-of-treatments-in-patients-with-symptomatic-venous-thrombosis-after-knee-arthroscopic-surgery
#3
X Lu, J Qian, B Yang
Objective: To confirm the incidence of the symptomatic venous thrombosis and evaluate the efficacy of early treatments in patients with symptomatic venous thrombosis after knee arthroscopic surgery. Methods: From June 2010 to December 2015, 19 patients with symptomatic venous thrombosis hospitalized after knee arthroscopy were retrospectively analyzed by visual analogue scale (VAS) in Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College...
January 3, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28050574/a-validation-study-of-a-novel-3-dimensional-mri-modeling-technique-to-identify-the-anatomic-insertions-of-the-anterior-cruciate-ligament
#4
Catherine Hui, Yeli Pi, Vimarsha Swami, Myles Mabee, Jacob L Jaremko
BACKGROUND: Anatomic single bundle anterior cruciate ligament (ACL) reconstruction is the current gold standard in ACL reconstructive surgery. However, placement of femoral and tibial tunnels at the anatomic center of the ACL insertion sites can be difficult intraoperatively. We developed a "virtual arthroscopy" program that allows users to identify ACL insertions on preoperative knee magnetic resonance images (MRIs) and generates a 3-dimensional (3D) bone model that matches the arthroscopic view to help guide intraoperative tunnel placement...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28049517/osteochondritis-dissecans-located-on-the-medial-tibial-plateau-a-case-report
#5
Yimin Zhang, Xiaoguang Liu
BACKGROUND: Osteochondritis dissecans are typically located mainly on the femoral condyle, with reported but less common cases of patella involvement. In this case report, we reported a rare case of osteochondritis dissecans located on the medial tibial plateau. CASE PRESENTATION: A 26-year-old Han Chinese woman presented with a lesion on her left medial tibial plateau. She was treated by arthroscopy for her knee condition. During the operation, a primary diagnosis of osteochondritis dissecans on her medial tibial plateau was indicated by an osteochondral fragment...
January 4, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28043753/medial-open-wedge-high-tibial-osteotomy-may-adversely-affect-the-patellofemoral-joint
#6
Kang-Il Kim, Dong-Kyoon Kim, Sang-Jun Song, Sang-Hak Lee, Dae-Kyung Bae
PURPOSE: To evaluate 2-stage arthroscopic findings of the patellofemoral joint before and after medial open-wedge high tibial osteotomy (HTO) and verify whether the patellofemoral joint would be influenced by medial open-wedge HTO. METHODS: We prospectively reviewed 114 cases of medial open-wedge HTO for the treatment of osteoarthritis with a varus knee. First-look arthroscopy was performed during HTO. The mean age at the time of HTO was 56.34 ± 5.4 years (range, 40-69 years)...
December 30, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28040320/semimembranosus-tenosynovitis-diagnosis-and-management-of-a-commonly-missed-cause-of-posteromedial-knee-pain
#7
Joel K Melton, Arman Memarzadeh, William H Dunbar, Mervyn J Cross
BACKGROUND: In orthopedic and sports medicine literature there is minimal information regarding accurate diagnosis and the treatment options for tenosynovitis of the distal semimembranosus tendon. After reviewing the literature, the authors question both the etiology and treatment of this condition. Previous descriptions have associated the condition primarily with the endurance athlete but we have noted multiple cases in which this is a condition common to the 'sprinter' as well. There has been very little mention of this condition in recent literature but the most recent complete description of operative treatment for this condition recommends both tendon transfer and concomitant arthroscopy...
December 28, 2016: Knee
https://www.readbyqxmd.com/read/28032713/arthroscopic-retrieval-of-over-100-loose-bodies-in-shoulder-synovial-chondromatosis-a-case-report-and-review-of-literature
#8
Pradyumna Raval, Ashish Vijayan, Arpit Jariwala
Synovial chondromatosis is a rare and benign condition of unknown cause. It is also known as synovial osteochondromatosis. It is characterized by involvement of the synovial tissue, which lines various joints of our body. Initial symptoms range from pain in the joint, locking of the joint at times, especially the knee, to arthritis of the joint that is a late feature of this condition. Although large joints such as the knee are commonly affected, involvement of the shoulder joint is a rare occurrence. Historically an open arthrotomy was preferred for removal of loose bodies coupled with a thorough synovectomy...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28007520/spinal-anaesthesia-in-outpatient-and-conventional-surgery-a-point-of-view-from-experienced-french-anaesthetists
#9
Régis Fuzier, Christophe Aveline, Paul Zetlaoui, Olivier Choquet, Hervé Bouaziz
INTRODUCTION: The objective of this investigation was to evaluate the practice of spinal anaesthesia among French anaesthetists in inpatient and outpatient settings. METHODS AND MATERIALS: A questionnaire was sent to members of the French Association of Anaesthetists involved in regional anaesthesia during the first 4 months of 2015. The questionnaire included items on the practice of spinal anaesthesia (type of needle, local anaesthetic available, puncture and disinfection techniques, etc...
December 19, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28003070/editorial-commentary-should-i-order-prophylactic-antibiotics-for-my-next-knee-scope
#10
EDITORIAL
Peter R Kurzweil
Postoperative infections are going to happen. The question of whether prophylactic antibiotics can lower the infection rate in routine knee arthroscopy is investigated. Although a large number of cases were included in the study, the results did not reach statistical significance. Nevertheless, a significant trend toward a lower incidence of deep infection was seen when antibiotics were given.
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27999926/results-of-arthroscopic-treatment-in-unresolved-osgood-schlatter-disease-in-athletes
#11
Esra Circi, Tahsin Beyzadeoglu
AIM OF THE STUDY: In this study we aimed to determine outcomes following arthroscopic ossicle excision in athletes with unresolved Osgood-Schlatter disease (OSD). METHOD: Arthroscopy was performed on 11 patients (11 knees) with OSD between September 2008 and November 2014. Surgical treatment inclusion criteria were determined as: failure of conservative treatment; isolated pain over the tibial tubercle and distal patellar tendon; pain limiting sporting performance at a competitive level...
December 21, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27999721/improvements-in-knee-extension-strength-are-associated-with-improvements-in-self-reported-hip-function-following-arthroscopy-for-femoroacetabular-impingement-syndrome
#12
Chelseana C Davis, Thomas J Ellis, Ajit K Amesur, Timothy E Hewett, Stephanie Di Stasi
BACKGROUND: Recovery of strength is critical for return to sport, and is a known predictor of functional outcomes in post-surgical orthopedic populations. Muscle weakness is a known impairment in patients with femoroacetabular impingement syndrome (FAIS) but whether improvements in muscle strength after arthroscopy are associated with improved hip function is unknown. HYPOTHESIS/PURPOSE: To examine the relationships between changes in hip and thigh muscle strength and self-reported function in athletes undergoing arthroscopy for FAIS...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27993462/complex-medial-meniscus-tears-are-associated-with-a-biconcave-medial-tibial-plateau
#13
F Alan Barber, Mark H Getelman, Kathy L Berry
PURPOSE: To determine whether an association exists between a biconcave medial tibial plateau and complex medial meniscus tears. METHODS: A consecutive series of stable knees undergoing arthroscopy were evaluated retrospectively with the use of preoperative magnetic resonance imaging (MRI), radiographs, and arthroscopy documented by intraoperative videos. Investigators independently performed blinded reviews of the MRI or videos. Based on the arthroscopy findings, medial tibial plateaus were classified as either biconcave or not biconcave...
December 16, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27989355/knee-shoulder-and-fundamentals-of-arthroscopic-surgery-training-validation-of-a-virtual-arthroscopy-simulator
#14
Josef N Tofte, Brian O Westerlind, Kevin D Martin, Brian L Guetschow, Bastián Uribe-Echevarria, Chamnanni Rungprai, Phinit Phisitkul
PURPOSE: To validate the knee, shoulder, and virtual Fundamentals of Arthroscopic Training (FAST) modules on a virtual arthroscopy simulator via correlations with arthroscopy case experience and postgraduate year. METHODS: Orthopaedic residents and faculty from one institution performed a standardized sequence of knee, shoulder, and FAST modules to evaluate baseline arthroscopy skills. Total operation time, camera path length, and composite total score (metric derived from multiple simulator measurements) were compared with case experience and postgraduate level...
December 15, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27987574/-new-choosing-wisely-recommendations-of-inappropriate-interventions-the-perspective-of-general-practioners-in-switzerland
#15
Stefan Neuner-Jehle, Oliver Senn, Thomas Rosemann
AIM: As part of the "Choosing wisely" campaign expert-driven recommendations of inappropriate interventions which lead to overdiagnosis and overtreatment are being published. The aim of our work was to describe an innovative method for developing recommendations together with general practitioners (GPs) and to compare the results with the "Choosing wisely" campaign lists as well as with the Swiss "Smarter medicine" shortlist. METHODS: We asked 109 GPs who attended a medical education conference to form groups (of 5 to 7 GPs each) and develop three interventions that are relevant to their work and should be avoided...
December 2016: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/27973762/intra-articular-injections-of-hyadd4-g-in-male-professional-soccer-players-with-traumatic-or-degenerative-knee-chondropathy-a-pilot-prospective-study
#16
Pasquale Tamburrino, Enrico Castellacci
BACKGROUND: Knee injuries are very common in some sports and particularly in soccer due to the highly repetitive loading of the mechanical stress involved in this practice. Knee-joint injuries account for 40% of all different kinds of lesions. Traumatic or degenerative patellofemoral or tibialfemoral chondropaties of knee cause disabling symptoms, joint pain and/or dysfunctions. The aim of the study was to evaluate the effects of HYADD4-G, a hydrogel based on a hyaluronic acid derivative, in professional soccer players affected by traumatic or degenerative knee chondropathy...
December 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27959702/thromboprophylaxis-after-knee-arthroscopy-and-lower-leg-casting
#17
Raymond A van Adrichem, Banne Nemeth, Ale Algra, Saskia le Cessie, Frits R Rosendaal, Inger B Schipper, Rob G H H Nelissen, Suzanne C Cannegieter
Background The use of thromboprophylaxis to prevent clinically apparent venous thromboembolism after knee arthroscopy or casting of the lower leg is disputed. We compared the incidence of symptomatic venous thromboembolism after these procedures between patients who received anticoagulant therapy and those who received no anticoagulant therapy. Methods We conducted two parallel, pragmatic, multicenter, randomized, controlled, open-label trials with blinded outcome evaluation: the POT-KAST trial, which included patients undergoing knee arthroscopy, and the POT-CAST trial, which included patients treated with casting of the lower leg...
December 3, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27955813/gap-formation-following-primary-repair-of-the-anterior-cruciate-ligament-a-biomechanical-evaluation
#18
Jelle P van der List, Gregory S DiFelice
BACKGROUND: Historically, inconsistent and unpredictable results of open primary anterior cruciate ligament (ACL) repair were reported. Recently, however, good results of arthroscopic primary ACL repair of proximal tears have been reported. Purpose of this study was to assess the direct postoperative gap formation and maximum failure load following simulated knee motion after primary ACL repair. METHODS: Six matched-paired human cadaveric knees (mean age: 52years, range: 48 to 56years) were used...
December 7, 2016: Knee
https://www.readbyqxmd.com/read/27931883/quality-of-counselling-for-knee-and-shoulder-arthroscopy-patients-during-day-surgery
#19
Pirjo Kaakinen, Helka Ervasti, Maria Kääriäinen
BACKGROUND: Counselling for day surgery patients is one of the core components for a knee or shoulder arthroscopy patient to succeed in self-care. AIM: This cross-sectional study examined the quality of counselling given to patients (n = 86) during their day surgery, using the Counselling Quality Instrument (CQI). METHODS: The data were analysed using basic and multivariate statistical methods. RESULTS: Most respondents were male and aged over 50 years...
February 2017: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/27923784/low-molecular-weight-heparin-does-not-prevent-vte-after-knee-arthroscopy-studies-show
#20
Susan Mayor
No abstract text is available yet for this article.
December 5, 2016: BMJ: British Medical Journal
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