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Lateral retinacular release

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https://www.readbyqxmd.com/read/29868412/lateral-patellofemoral-ligament-reconstruction-with-a-gracilis-allograft
#1
Michael Saper
Isolated medial patellar subluxation (MPS), in the absence of a previous lateral retinacular release, is a poorly recognized clinical condition characterized by chronic anterior knee pain that is exacerbated with knee flexion. This type of patellar instability is often overlooked, and a high index of suspicion is needed for appropriate diagnosis and treatment. The purpose of this Technical Note is to describe a surgical technique to reconstruct the lateral patellofemoral ligament with an allograft gracilis tendon...
April 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29806406/-arthroscopic-treatment-for-patellar-dislocation-with-lateral-retinacular-release-combined-with-medial-patellofemoral-ligament-reconstruction
#2
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
https://www.readbyqxmd.com/read/29739709/osteonecrosis-of-bipartite-patella-following-total-knee-arthroplasty-without-lateral-release
#3
Jung Ho Noh, Young Hak Roh
We present a case of osteonecrosis of bipartite patella occurring after total knee arthroplasty using medial parapatellar approach without lateral retinacular release in osteoarthritic knee of a 66 year-old-male. The surgery was performed using traditional technique with medial parapatellar approach and patella was resurfaced. Patella was everted during surgery. There was no event during follow-up period after surgery. Range of motion of the knee was 135° without flexion contracture. Eight months after the surgery, patella was fragmented and resorbed on the radiographs which was consistent with osteonecrosis...
May 5, 2018: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29675504/surgical-treatment-of-objective-patellar-instability-long-term-results
#4
Massimo Berruto, Francesco Mattia Uboldi, Paolo Ferrua, Giovanni Vergottini, Andrea Manunta
Purpose  To evaluate the long-term results of classical "à la carte" surgical treatment of objective patellar instability as proposed by Dejour in 1987. Methods  A multicentric retrospective study was conducted evaluating patients that underwent surgical procedure with a 10-year minimum follow-up (mean 12.7; range, 10-15). Surgical procedures were medial transfer of the tibial tubercle transfer according to Elmslie and Trillat et al in 38 cases, plasty of the vastus medialis obliquus according to Insall in 15 cases, open lateral retinacular release in 13 cases, capsuloplasty in 3 cases, and trochleoplasty in 1 case...
March 2018: Joints
https://www.readbyqxmd.com/read/29457386/-treatment-of-habitual-dislocation-of-patella-with-reconstruction-of-medial-patellofemoral-ligament-combined-with-release-of-lateral-retinaculum-and-medial-transfer-and-advancement-of-tibial-tuberosity-under-arthroscopy
#5
Li-Chuang Wu, Hai-Bo Zhou, Chao Zhang, Lei Chen, Cai-Long Liu
OBJECTIVE: To study clinical effects of triad operation including reconstruction of medial patellofemoral ligament, release of lateral retinaculum, Fulkerson tibial tubercle osteotomy, medial transfer and advancement under arthroscopy for the treatment of habitual dislocation of patella. METHODS: From March 2010 to May 2016, 35 patients with habitual patellar dislocation were treated with the triad operation, including 14 males, 21 females, ranging in age from 18 to 38 years old, with an average of 25...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457385/-current-status-and-expectations-in-the-surgical-treatment-of-recurrent-lateral-patellar-dislocation
#6
Zhi-Dong Zhao, Peng-Cui Li, Xiao-Chun Wei
Up to now, surgical treatment of recurrent lateral patellar dislocation mainly includes: medial patellofemoral ligament reconstruction, tibial tubercle osteotomy, trochleoplasty, lateral retinacular release, derotation osteotomy and so on . Clinical reports show that: the use of a single or combined with several methods have achieved ideal short to mid-term clinical outcomes. However, there is no consolidate criterion concerning the choices of different kinds of surgical ways for the treatment of individual recurrent lateral patellar dislocation...
November 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29456063/clinical-outcome-of-arthroscopic-lateral-retinacular-release-for-symptomatic-bipartite-patella-in-athletes
#7
Lamberto Felli, Matteo Formica, Stefano Lovisolo, Andrea Giorgio Capello, Mattia Alessio-Mazzola
PURPOSE: To report the results of arthroscopic lateral retinacular release without excision of the accessory fragment for treatment of symptomatic bipartite patella with a minimum 2-year follow-up. METHODS: We retrospectively reviewed all cases of symptomatic type III bipartite patella confirmed by radiographs, computed tomography, and magnetic resonance imaging and treated with arthroscopic lateral release from 2005 to 2015. Patients with history of knee fractures or surgery, concomitant meniscal or anterior cruciate ligament (ACL) procedures, and severe arthritic changes of the patellofemoral joint were excluded...
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29343257/pigmented-villonodular-synovitis-in-pediatric-population-review-of-literature-and-a-case-report
#8
Mohsen Karami, Mehryar Soleimani, Reza Shiari
BACKGROUND: Pigmented villonodular synovitis (PVNS) is a rare proliferative process in children that mostly affects the knee joint. CASE PRESENTATION: The study follows the case of a 3-year-old boy presenting recurrent patellar dislocation and PVNS. Due to symptoms such as chronic arthritis, he had been taking prednisolone and methotrexate for 6 months before receiving a definitive diagnosis. After a period of showing no improvements from his treatment, he was referred to our center and was diagnosed with local PVNS using magnetic resonance imaging (MRI)...
January 17, 2018: Pediatric Rheumatology Online Journal
https://www.readbyqxmd.com/read/29188420/a-lateral-retinacular-release-during-total-knee-arthroplasty-changes-femorotibial-kinematics-an-in-vitro-study
#9
Arnd Steinbrück, Christian Schröder, Matthias Woiczinski, Alexander Glogaza, Peter E Müller, Volkmar Jansson, Andreas Fottner
INTRODUCTION: Lateral retinacular release (LRR) is a common procedure during total knee arthroplasty (TKA), especially if patellar maltracking is observed intraoperatively. The impact of LRR on patellofemoral kinematics is well-examined, but the influence on femorotibial kinematics requires more elucidation. Therefore, the aim of this study was to evaluate the effects of LRR on femorotibial kinematics in vitro. MATERIALS AND METHODS: A fixed bearing TKA was implanted in six human knee specimens...
March 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29138916/lateral-retinaculum-plasty-instead-of-lateral-retinacular-release-with-concomitant-medial-patellofemoral-ligament-reconstruction-can-achieve-better-results-for-patellar-dislocation
#10
Chang Liu, Guman Duan, Yingzhen Niu, Pengkai Cao, Kunpeng Fu, Jinghui Niu, Fei Wang
PURPOSE: To elucidate the outcomes of lateral retinaculum plasty versus lateral retinacular release with concomitant medial patellofemoral ligament (MPFL) reconstruction. METHODS: In a prospective study, 59 patients treated at our institution from 2012 to 2014 were included. The 59 patients were randomly divided into two groups. Group I included 27 patients who underwent lateral retinacular release and MPFL reconstruction. Group II included 32 patients who underwent lateral retinaculum plasty and MPFL reconstruction...
November 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28993891/value-of-antibiotic-prophylaxis-in-routine-knee-arthroscopy-a-retrospective-study
#11
Yongjian Qi, Xu Yang, Zhengqi Pan, Hua Wang, Liaobin Chen
OBJECTIVE: Prophylactic antibiotic use prior to routine knee arthroscopy remains controversial. It is important to know whether antibiotics help decrease the surgical site infection (SSI) rate. Our aims were to assess the efficacy of antibiotic prophylaxis in preventing SSI and to identify risk factors for SSI following routine knee arthroscopy without an implant. METHODS: A retrospective study was conducted using the electronic medical records at the authors' hospital to identify patients that underwent routine knee arthroscopy without an implant between October 2010 and October 2016...
March 2018: Der Orthopäde
https://www.readbyqxmd.com/read/28950794/the-optimal-protocol-to-reduce-blood-loss-and-blood-transfusion-after-unilateral-total-knee-replacement-low-dose-ia-txa-plus-30-min-drain-clamping-versus-drainage-clamping-for-the-first-3-h-without-ia-txa
#12
COMPARATIVE STUDY
Joo Hyun Park, Sung Wook Choi, Eun Ho Shin, Myung Hoon Park, Myung Ku Kim
INTRODUCTION: Although intraarticular tranexamic acid (IA-TXA) administration or drainage clamping are popular methods used to reduce blood loss after total knee replacement (TKR), the protocol remains controversial. We aimed (1) to establish new protocols through investigating whether two methods, that is, low-dose (500 mg) IA-TXA plus 30-min drain clamping and drainage clamping for the first 3 h without IA-TXA, can reduce blood loss and blood transfusion after unilateral TKR and (2) to make recommendations related to clinical application...
September 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28884103/lateral-patellar-retinacular-release-changes-over-the-last-ten-years
#13
REVIEW
Leonardo Pini Rosalem Marciano da Fonseca, Ednei Haruo Kawatake, Alberto de Castro Pochini
Lateral retinacular release is a useful resource in knee surgery that can be used for disorders of the extensor mechanism. For many years, it was indiscriminately used in the treatment of the various patellofemoral joint alterations, with conflicting functional results. This study aimed to analyze the changes that have occurred in the indications and clinical effectiveness of lateral retinacular release by reviewing the relevant literature of the past ten years, comparing it to the classic literature on the subject...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28624557/arthroscopic-lateral-retinacular-release-medial-retinacular-plication-and-partial-medial-tibial-tubercle-transfer-for-recurrent-patellar-dislocation
#14
Song Chen, Yiqin Zhou, Qirong Qian, Yuli Wu, Peiliang Fu, Haishan Wu
OBJECTIVE: To assess the efficacy of a therapeutic protocol composed of arthroscopic lateral retinacular release, medial retinacular plication, and partial medial tibial tuberosity transfer for patients with recurrent patellar dislocation. METHOD: 71 patients, 11 males and 60 females and a total of 77 knees, with recurrent dislocation of the patella were enrolled between 1998 and 2012. The average age of the patients was 19.5 years and 67 of them had previous knee trauma history...
August 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28451613/medial-patellar-instability-treatment-and-outcomes
#15
Gilbert Moatshe, Tyler R Cram, Jorge Chahla, Mark E Cinque, Jonathan A Godin, Robert F LaPrade
BACKGROUND: Historically, a lateral retinacular release was one of the primary surgical interventions used to treat lateral patellar instability. However, disruption of the lateral structures during this procedure has been associated with medial instability of the patella. HYPOTHESIS: We hypothesize that good to excellent outcomes can be achieved at midterm follow-up after lateral patellotibial ligament reconstruction. STUDY DESIGN: Case series; Level of evidence, 4...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28360504/lateral-facetectomy-decreased-patellofemoral-contact-pressure-in-total-knee-replacement-a-cadaveric-study
#16
Varah Yuenyongviwat, Khanin Iamthanaporn, Theerawit Hongnaparak
BACKGROUND: To study the patellofemoral contact pressure in patellar non-resurfacing total knee replacement after lateral facetectomy in different amounts of bone removal. METHODS: Eight knees from four fresh-frozen whole body cadavers were used for this study. Total knee replacement of all knees was performed by the same surgical technique. The contact pressure was measured and recorded when the knee performed passive motion from full extension to full flexion in native patella, lateral retinacular junction release, 10% lateral facetectomy, and 20% lateral facetectomy...
January 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28318932/patellar-instability-treated-with-distal-femoral-osteotomy
#17
Ishaan Swarup, Osama Elattar, S Robert Rozbruch
BACKGROUND: Patellar instability can cause significant disability in both pediatric and adult patients, and it is associated with several factors including genu valgum. In this study, we describe the role of a lateral opening wedge distal femoral osteotomy (DFO) combined with lateral retinacular release in addressing genu valgum with associated patellar instability. The rationale for this approach is to medialize the patellar tendon insertion and decrease the Q angle with DFO. METHODS: A consecutive series of patients were studied, and our outcomes of interest included improvements in radiographic measures and patient outcomes...
March 17, 2017: Knee
https://www.readbyqxmd.com/read/28236551/soft-tissue-releases-in-total-knee-arthroplasty-for-valgus-deformities
#18
Ke Xie, Steven T Lyons
BACKGROUND: Primary total knee arthroplasty (TKA) for valgus knee deformities can be challenging. Soft tissue releases are often necessary to achieve a well-balanced knee. We reviewed the frequency of soft tissue releases including lateral retinacular release (LRR) as it pertains to preoperative limb alignment. Postoperatively, we evaluated limb alignment, knee range of motion, and complications. METHODS: From 2010 to 2016, 214 primary TKAs with valgus deformity were performed by a single surgeon...
June 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28045869/why-do-patellofemoral-stabilization-procedures-fail-keys-to-success
#19
REVIEW
Nick Caplan, Islam Nassar, Bobby Anand, Deiary F Kader
In recent years, surgical interventions for patellofemoral joint instability have gained popularity, possibly revitalized by the recent advances in our understanding of patellofemoral joint instability and the introduction of a number of new surgical procedures. This rise in surgical intervention has brought about various complications. In this review article, we present the complications that are associated with 5 main surgical procedures to stabilize the patella-medial patellofemoral ligament reconstruction, tibial tubercle osteotomy, trochleoplasty, lateral release/lateral retinacular lengthening, and derotation osteotomies...
March 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27861210/symptomatic-venous-thromboembolism-after-adolescent-knee-arthroscopy
#20
Robert F Murphy, Benton Heyworth, Dennis Kramer, Manahil Naqvi, Patricia E Miller, Yi-Meng Yen, Mininder S Kocher, Benjamin J Shore
BACKGROUND: The frequency of knee arthroscopy procedures is increasing in pediatric and adolescent patients. In general, complications after these procedures in adolescents are uncommon. The purposes of this study are to report the incidence of venous thromboembolism (VTE) in adolescent patients after knee arthroscopy procedures, as well identify risk factors in this patient population. METHODS: Medical records were reviewed in all pediatric and adolescent patients (≤19 y) who underwent an arthroscopic knee procedure from 2010 to 2014 and were diagnosed with a symptomatic VTE in the postoperative period...
November 17, 2016: Journal of Pediatric Orthopedics
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