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Knee arthroscopy

Vincent V G An, Yusuf Mirza, Evangelos Mazomenos, Francisco Vasconcelos, Danail Stoyanov, Sam Oussedik
PURPOSE: This study aimed to determine the effect of a simulation course on gaze fixation strategies of participants performing arthroscopy. METHODS: Participants (n = 16) were recruited from two one-day simulation-based knee arthroscopy courses, and were asked to undergo a task before and after the course, which involved identifying a series of arthroscopic landmarks. The gaze fixation of the participants was recorded with a wearable eye-tracking system. The time taken to complete the task and proportion of time participants spent with their gaze fixated on the arthroscopic stack, the knee model, and away from the stack or knee model were recorded...
June 19, 2018: Knee
Renaldi Prasetia, Bancha Chernchujit
Posterior root medial meniscus (PRMM) tears have shown to be biomechanically equivalent to complete meniscectomy. Drawbacks from PRMM tears repair are unsatisfactory healing rates. In this case report, we outlined a PRMM reconstruction with gracilis graft healing outcome in chronic PRMM tear case, based on clinical and MRI evaluation. A 60-year-old man reported a chief complaint of increasing pain on the right knee joint in the last 1 year after a deep-flexion injury. On MRI investigation, we confirmed the chronic PRMM tear as Osteoarthritis Kellgren-Lawrence grade II...
June 20, 2018: BMJ Case Reports
Dietmar Dammerer, David Putzer, Alexander Wurm, Michael Liebensteiner, Michael Nogler, Martin Krismer
OBJECTIVE: Knee arthroscopies are very common orthopedic procedures. For a number of reasons, including increased public awareness for medical errors, patient safety, strict regulations governing duty-hours for residents, surgeons' liability, and an increasing emphasis on the efficient use of operating room time, interest in simulator training is on the rise. It was the purpose of this study to analyze learning curves of medical students and orthopedic resident surgeons using a virtual knee arthroscopy simulator...
June 18, 2018: Journal of Surgical Education
Hai-Feng Huang, Jia-Liang Tian, Xian-Teng Yang, Li Sun, Ru-Yin Hu, Zhi-Hui Yan, Shan-Shan Li, Quan Xie, Xiao-Bin Tian
BACKGROUND: Venous thromboembolism (VTE) is considered a potentially serious complication of knee arthroscopy and leads to conditions such as deep venous thrombosis (DVT) and pulmonary embolism (PE). Low-molecular-weight heparin (LMWH) is widely employed in knee arthroscopy to reduce perioperative thromboembolic complications. However, the efficacy and safety of LMWH in knee arthroscopy remains unclear. METHODS: Seven randomized controlled clinical trials on LMWH in knee arthroscopy were identified and included in this meta-analysis...
2018: PloS One
Nina Solheim, Bente Halvorsen, Leiv Arne Rosseland, Audun Stubhaug
Postsurgical inflammation leads to sensitisation of "sleeping" nociceptors, which enhance pain perception and induce hyperalgesia. Prostaglandin E2 plays a central role in this process. Synovial microdialysis technique allows analyses of biological markers of local inflammation simultaneous with a close follow up of the patient's pain experience. Tissue injury (or surgery) initiates liberation of inflammatory mediators and hyperalgesic substances. This project is translational and aims at exploring the relationship between perceived acute postoperative pain and inflammation...
December 29, 2017: Scandinavian Journal of Pain
Charles S Carrier, Kirsten D Garvey, Emily M Brook, Elizabeth G Matzkin
The purpose of this study was to determine the efficacy of nonopioid pain management following arthroscopic partial meniscectomy and/or chondroplasty and to assess patients' attitudes regarding their need for opioid pain medication following these procedures. Patients who underwent a knee arthroscopy procedure for either partial meniscectomy and/or chondroplasty from July 2016 to January 2017 by a single surgeon at a single institution were included. Medical records were reviewed, and demographics were recorded...
June 18, 2018: Orthopedics
Robin Holtedahl, Jens Ivar Brox, Arne Kristian Aune, Daniel Nguyen, May Arna Risberg, Ole Tjomsland
OBJECTIVE: To examine rates of publicly financed knee arthroscopic surgery in Norway between 2012 and 2016. DESIGN: Analysis of anonymised data from the National Patient Registry. INTERVENTIONS: Beginning in 2012, South-Eastern Norway Regional Health Authority implemented administrative measures to bring down rates of knee arthroscopy. Similar measures were not introduced in the other three Regional Health Authorities. MAIN OUTCOME MEASURES: We analysed annual national rates of publicly financed knee arthroscopies in 2012 and 2016...
June 15, 2018: BMJ Open
Tsuneari Takahashi, Masashi Kimura, Keiichi Hagiwara, Takashi Ohsawa, Katsushi Takeshita
Several investigators have developed anterior cruciate ligament reconstructions (ACLR) with remnant tissue preservation (RTP) and have reported better clinical outcomes. However, the effects of RTP remain controversial. To date, no reports have compared both clinical and radiological outcomes of anatomic double-bundle ACLR using the hamstring tendon and outside-in technique with/without RTP. This article evaluates the effectiveness of RTP in ACLR on knee stability and graft maturation. In total, 75 patients with unilateral ACL injury who had undergone anatomic double-bundle ACLR using autografted hamstring tendon either with RTP (Group P, n  = 43) or without (Group N, n  = 32) were enrolled...
June 13, 2018: Journal of Knee Surgery
Anupam Das, C S Yadav, Shivanand Gamanagatti, R M Pandey, Ravi Mittal
The outcome of single-bundle anterior cruciate ligament (ACL) reconstruction depends largely on the anatomic placement of bone tunnel. The lateral intercondylar ridge (LIR) and bifurcate ridge (BR) are useful bony landmarks for femoral tunnel placement. The purpose of our study was to compare the bony landmarks of ACL footprint on femur by three-dimensional computed tomography (3D CT) scan and arthroscopy in chronic ACL-deficient knees. Fifty patients above 18 years of age who were diagnosed of having ACL tear were selected for the study...
June 13, 2018: Journal of Knee Surgery
David A Boyce, Chantal Prewitt
CASE DESCRIPTION: A 17-year-old male post anterior cruciate ligament reconstruction complained of the inability to extend his great toe immediately following surgery. BACKGROUND: Neurological injuries following knee arthroscopy have been reported to occur between 0.6%-2.5%. The most commonly injured nerves are the saphenous and common fibular nerve (CFN). Great toe-drop secondary to isolated denervation of the extensor hallucis longus (EHL), has only been reported one time in the literature...
June 13, 2018: Physiotherapy Theory and Practice
Neil V Shah, Maximilian Solow, John J Kelly, Alexandr Aylyarov, James P Doran, Lee R Bloom, Samuel Akil, Bilal Siddiqui, Jared M Newman, Dipal Chatterjee, Neel Pancholi, Anant Dixit, Borna Kavousi, Scott E Barbash, William P Urban, David T Neuman
Survey of 869 arthroscopists regarding joint-specific arthroscopic procedures and postoperative rehabilitative preferences revealed comparable support for use of supervised physical therapy (SPT) and home exercise programs (HEPs) but stronger preference for joint-specific HEP applications (wrist, knee). Among respondents utilizing HEPs, modality of delivery (verbal/handout/web-based) didn't differ by joint, yet only 2.9% utilized web-based HEPs. This is the first known study to identify postoperative rehabilitation preferences...
June 2018: Journal of Orthopaedics
Franck Accadbled, Daniel N'Dele
Management of pediatric articular fractures has evolved over the years with a growing interest in arthroscopic handling. Several factors account for this recent appeal among which are progress in technology with increased availability of diagnostic methods, rise in athletic activities responsible for these fractures, and pediatric orthopaedic surgeons getting familiar with arthroscopic techniques. In our institution, 9 of 100 arthroscopic procedures are performed as a consequence of an articular fracture. In total, 80% of the fractures concern the knee (56% of tibial eminence fracture, 24% osteochondral fracture)...
July 2018: Journal of Pediatric Orthopedics
Michael S Schallmo, Alejandro Marquez-Lara, T David Luo, Samuel Rosas, Allston J Stubbs
Over the past decade, arthroscopic microfracture has become increasingly popular to treat full-thickness (Outerbridge grade IV) chondral defects of the hip. This procedure borrows marrow stimulation treatment principles and techniques from knee arthroscopy, with similar mixed clinical outcomes that may be more favorable in the short term (<2 years) and poorer in the long term. Despite these varied outcomes, microfracture remains the most frequently used technique to treat small focal chondral defects because of the relative ease and cost-effectiveness of the procedure...
April 2018: Arthroscopy Techniques
Katarina Friberger Pajalic, Aleksandra Turkiewicz, Martin Englund
BACKGROUND: Knee arthroscopy is one of the most common surgical procedures worldwide and the number of arthroscopies has substantially increased in the last 30 years. Thus, our aim was to provide updated estimates on the risk of complications and compare it with the background risk in the general population. METHODS: We identified patients aged 15-84 years with knee arthroscopy in the years 2005-2016 in southern Sweden. We calculated the risk of pyogenic arthritis, venous thromboembolism, and other typical complications within 30 days...
June 1, 2018: BMC Musculoskeletal Disorders
Mehmet Yucens, Ahmet Nadir Aydemir
Anterior cruciate ligament (ACL) injury is known to be one of the most common knee joint injuries. ACL reconstruction can be similar to the native ACL in respect of graft morphology, tension, position, and orientation. ACL reconstruction can be applied with different surgery techniques, graft and fixation devices, and rehabilitation as ACL reconstruction is just as important as surgery. Although commonly known as a sports injury, ACL injuries are increasingly seen in the general population. The aim of this study was to investigate the trends in ACL injury treatment in the last decade especially the graft choice...
May 31, 2018: Journal of Knee Surgery
Kazuhiko Udagawa, Yasuo Niki, Kengo Harato, Shu Kobayashi, So Nomoto
Retrograde intramedullary nailing (RIMN) has been used for periprosthetic fracture of the distal femur after total knee arthroplasty (TKA), yielding good fracture union rates and satisfactory outcomes. However, RIMN for posterior-stabilized- (PS-) TKA risks malpositioning the entry point and disturbing the post of the tibial insert, and the surgeon therefore usually requires knee joint arthrotomy. We report a case of a 79-year-old male who was involved in bicycle accident resulting in periprosthetic fracture of the distal femur after PS-TKA...
2018: Case Reports in Orthopedics
Xiaojian Li, Zhanli Fu, Changwei Lü
Objective: To investigate the effectiveness of the arthroscopic lateral retinacular release combined with medial patellofemoral ligament (MPFL) reconstruction for patellar dislocation. Methods: Between January 2016 and March 2017, 28 cases (32 knees) with patellar dislocation were treated by arthroscopic lateral retinacular release and MPFL reconstruction. There were 6 males (6 knees) and 22 females (26 knees) with an average age of 21 years (range, 17-29 years)...
February 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
Tian You, Lu Bai, Xintao Zhang, Wei Li, Changqing Jiang, Wentao Zhang
Objective: To study the short-term effectiveness of absorbable anchor in repairing of partial anterior cruciate ligament (ACL) rupture. Methods: Between December 2013 and February 2015, 22 patients with partial ACL rupture were repaired with absorbable anchor under arthroscopy. There were 12 males and 10 females with an average age of 27.5 years (range, 20-44 years). The injury located at left knee in 8 cases and at right knee in 14 cases. The time from injury to admission ranged from 2 to 13 days (mean, 9...
October 1, 2017: Chinese Journal of Reparative and Reconstructive Surgery
Li Li, Hongbo Wang, Yun He, Yu Si, Hongyu Zhou, Xin Wang
Recurrent patellar dislocations were treated via knee arthroscopy combined with C-arm fluoroscopy, and reconstruction of the medial patellofemoral ligaments. Between October 2013 and March 2017, 52 cases of recurrent patellar dislocation [27 males and 25 females; age, 16-47 years (mean, 21.90 years)] were treated. Arthroscopic exploration was performed and patellofemoral joint cartilage injuries were repaired. It was subsequently determined whether it was necessary to release the lateral patellofemoral support belt...
June 2018: Experimental and Therapeutic Medicine
Thomas J Gill, Marc Safran, Bert Mandelbaum, Bryan Huber, Ralph Gambardella, John Xerogeanes
PURPOSE: The purpose of this study was to compare the efficacy, accuracy, and safety of in-office diagnostic arthroscopy with magnetic resonance imaging (MRI) and surgical diagnostic arthroscopy. METHODS: A prospective, blinded, multicenter, clinical trial was performed on 110 patients, ages 18 to 75 years, who presented with knee pain. The study period was April 2012 to April 2013. Each patient underwent a physical examination, an MRI, in-office diagnostic imaging, and a diagnostic arthroscopic examination in the operating room...
May 24, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
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