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Kazuya Nishino, Yusuke Hashimoto, Yohei Nishida, Shozaburo Terai, Shinji Takahashi, Shinya Yamasaki, Hiroaki Nakamura
PURPOSE: To investigate the incidence of magnetic resonance imaging-confirmed cyst formation after meniscal repair and to analyze associated risk factors. METHODS: This retrospective study included cases repaired arthroscopically with the all-inside (AI) technique (using suture anchors) and/or the inside-out (IO) technique between October 2008 and December 2014. A meniscal cyst was detected on T2 fat-suppressed magnetic resonance images. All cases were divided into 3 groups according to the repair method (AI, IO, and combined technique)...
March 11, 2019: Arthroscopy: the Journal of Arthroscopic & related Surgery
Brett D Steineman, Robert F LaPrade, Tammy L Haut Donahue
PURPOSE: To determine whether meniscal root repairs recover from displacement due to rehabilitative loading. METHODS: Transtibial pullout repairs of the posteromedial meniscal root were performed in 16 cadaveric ovine knees. Single- and double-tunnel repairs using the 2-simple suture technique were cyclically loaded in tension to 10,000 cycles, allowed to rest, and loaded in tension again. Paired differences in displacement with rest were recorded to evaluate recoverability...
March 11, 2019: Arthroscopy: the Journal of Arthroscopic & related Surgery
Anthony Essilfie, Hyunwoo P Kang, Erik N Mayer, Nicholas A Trasolini, Ram K Alluri, Alexander E Weber
PURPOSE: To report the trends in arthroscopic partial meniscectomy (APM) for degenerative meniscal tears in a large private insurance database among patients older than 50 years. METHODS: The Humana database between 2007 and 2015 was queried for this study. Patients meeting the inclusion criteria with degenerative meniscal tears who underwent APMs were identified by International Classification of Diseases, Ninth Revision codes, followed by Current Procedural Terminology codes...
March 11, 2019: Arthroscopy: the Journal of Arthroscopic & related Surgery
Mohamed Sarraj, Ryan P Coughlin, Max Solow, Seper Ekhtiari, Nicole Simunovic, Aaron J Krych, Peter MacDonald, Olufemi R Ayeni
Unfortunately, the middle name of Olufemi R. Ayeni was accidentally omitted in the original publication and the author name is corrected here. The original article has been corrected.
March 13, 2019: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Barış Gülenç, Bahattin Kemah, Sercan Yalçın, Şafak Sayar, Oğuzhan Korkmaz, Mehmet Erdil
RAMP lesion, defined as peripheral detachment lesion of posterior horn of medial meniscus, has been shown to accompany anterior cruciate ligament (ACL) ruptures and is thought to play an important role in the knee joint stability. In this study, we aimed to present results of postoperative knee function scores and patient satisfaction after surgical repair of RAMP lesion. We included 15 patients who had undergone knee arthroscopy due to RAMP lesion in 2017. We recorded demographic data, diagnosis, pre- and postoperative International Knee Documentation Committee and Tegner-Lysholm scores of all patients...
March 8, 2019: Journal of Knee Surgery
Kyohei Nishida, Takehiko Matsushita, Daisuke Araki, Hiroshi Sasaki, Toshikazu Tanaka, Yuichi Hoshino, Noriyuki Kanzaki, Tomoyuki Matsumoto, Kouki Nagamune, Takahiro Niikura, Masahiro Kurosaka, Ryosuke Kuroda
PURPOSE: The factors affecting anterior tibial subluxation (ATS) have not yet been well examined. To assess the factors affecting ATS in anterior cruciate ligament (ACL)-deficient knees. METHODS: One hundred twenty-four patients with unilateral ACL injuries were included. True lateral views of the ACL-deficient knee and contralateral normal knee were obtained during maximum extension using fluoroscopy under general anesthesia, and ATS was calculated as the side-to-side difference in the tibial position relative to the femur...
January 2019: Journal of Orthopaedic Surgery
Nihat Demirhan Demirkıran, Hasan Havıtçıoğlu, Aylin Ziylan, Ülker Cankurt, Buğra Hüsemoğlu
OBJECTIVE: The aim of this study was to evaluate the meniscal regeneration and arthritic changes after partial meniscectomy and application of either polyurethane scaffold or novel multilayer meniscal scaffold in a rabbit model. METHODS: Sixteen NewZealand rabbits were randomly divided into three groups. A reproducible 1.5-mm cylindrical defect was created in the avascular zone of the anterior horn of the medial meniscus bilaterally. Defects were filled with the polyurethane scaffold in Group 1 (n:6) and with novel multilayer scaffold in Group 2 (n:6)...
February 27, 2019: Acta Orthopaedica et Traumatologica Turcica
S Middleton, L Asplin, C Stevenson, P Thompson, T Spalding
PURPOSE: The need for meniscal allograft transplantation (MAT) in children is rare, and as a result, there is a paucity of evidence detailing survivorship and clinical outcome. MAT has been shown to significantly reduce pain and improve function in the adult population. The aim of this study was to document the outcomes of a single surgeon case series of MAT in the paediatric population. METHODS: Analysis of a prospective meniscal allograft transplantation (MAT) group database of 280 patients was performed...
February 28, 2019: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
David Dejour, Marco Pungitore, Jeremy Valluy, Luca Nover, Mo Saffarini, Guillaume Demey
PURPOSE: To determine demographic, anatomic, and surgical factors associated with static and dynamic Anterior Tibial Translation (ATT) following ACL reconstruction. The hypothesis was that both static and dynamic ATT would be greater in knees with high tibial slope or that required meniscectomy. METHODS: The authors prospectively enrolled 280 consecutive patients that had primary ACL reconstruction using hamstring autografts at one center for which preoperative tear type, meniscal tears, and medial tibial slope were documented...
February 26, 2019: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Victor A van de Graaf, Nienke W Willigenburg, Rudolf W Poolman
No abstract text is available yet for this article.
February 26, 2019: JAMA: the Journal of the American Medical Association
Thoralf R Liebs
No abstract text is available yet for this article.
February 26, 2019: JAMA: the Journal of the American Medical Association
Peter R Kurzweil
Early-generation meniscal fixators sometimes caused iatrogenic articular cartilage damage. This resulted in injury to the very structure one tries to preserve when repairing a meniscal tear. Advances in suture-based meniscal implants and all-inside suture devices have allowed us to safely repair meniscal tears, even ones thought previously irreparable, and without the need for a secondary incision. As the techniques for meniscal repair continue to improve, orthopaedic surgeons should be encouraged to consider repair with more complex meniscal tear patterns...
February 22, 2019: Arthroscopy: the Journal of Arthroscopic & related Surgery
Michella H Hagmeijer, Nicholas I Kennedy, Adam J Tagliero, Bruce A Levy, Michael J Stuart, Daniel B F Saris, Diane L Dahm, Aaron J Krych
BACKGROUND: Meniscal repair is desirable over resection to prevent postmeniscectomy arthritis, especially among young and active patients. However, long-term data are currently lacking following isolated meniscal repair, particularly in the pediatric population. PURPOSE/HYPOTHESIS: To report long-term follow-up of isolated meniscal tears treated by meniscal repair in a pediatric and adolescent population and to compare those results with previous midterm follow-up data reported...
February 25, 2019: American Journal of Sports Medicine
Tim Badgery-Parker, Sallie-Anne Pearson, Susan Dunn, Adam G Elshaug
Importance: Studies of low-value care have focused on the prevalence of low-value care interventions but have rarely quantified downstream consequences of these interventions for patients or the health care system. Objective: To measure immediate in-hospital harm associated with 7 low-value procedures. Design, Setting, and Participants: A cohort study with a descriptive analysis using hospital admission data from 225 public hospitals in New South Wales, Australia, was conducted from July 1, 2014, to June 30, 2017...
February 25, 2019: JAMA Internal Medicine
Lukas Willinger, Peter Foehr, Andrea Achtnich, Philipp Forkel, Andreas Voss, Franz Liska, Lucca Lacheta, Andreas B Imhoff, Rainer Burgkart
Background: Degenerative medial meniscal tears and subsequent partial meniscal resection compromise meniscal function and lead to an overload of the medial compartment. In addition, lower limb alignment plays a key role in load distribution between the medial and lateral knee compartments, and varus alignment is a potential risk factor for medial osteoarthritis. Purpose/Hypothesis: The purpose of this biomechanical study was to investigate the effect of valgus and varus alignment on peak pressure and contact area in knees with concomitant horizontal medial meniscal tears and subsequent leaflet resection...
February 2019: Orthopaedic Journal of Sports Medicine
Shuhei Oda, Akifumi Fujita, Hiromitsu Moriuchi, Yoshinori Okamoto, Shuhei Otsuki, Masashi Neo
PURPOSE: Causes of spontaneous osteonecrosis of the knee (SONK) have not been clearly elucidated. This study investigated the relationship between medial meniscal extrusion and SONK. METHODS: We reviewed 108 SONK knees and determined their Aglietti stage. Meniscal extrusion is defined when it extends beyond the medial margin of tibial plateau and osteophytes are excluded for determining the margin. Both absolute extrusion (AE) and relative percentage of extrusion (RPE) were measured, and meniscal tear patterns were evaluated in the early stages of SONK (I and II)...
February 21, 2019: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
Simon Bell, Jason Old, Emma Lewis, Jennifer Coghlan
PURPOSE: Surgical management of a young patient with a stable but painful acromioclavicular (AC) joint but normal imagining is a challenging problem. A standard arthroscopic excision of distal clavicle seems too aggressive. An alternative procedure is arthroscopic debridement of the joint, particularly the often torn meniscus, and chondroplasty. This study demonstrates in younger patients the medium-term result of arthroscopic debridement of a painful AC joint. METHODS: Fifty-three young adult patients with a stable but painful AC joint, and virtually normal magnetic resonance imaging (MRI) scan, had arthroscopic debridement of the AC joint...
January 2019: Journal of Orthopaedic Surgery
Simon G F Abram, Sally Hopewell, Andrew Paul Monk, Lee E Bayliss, David J Beard, Andrew J Price
OBJECTIVE: To assess the benefit of arthroscopic partial meniscectomy (APM) in adults with a meniscal tear and knee pain in three defined populations (taking account of the comparison intervention): (A) all patients (any type of meniscal tear with or without radiographic osteoarthritis); (B) patients with any type of meniscal tear in a non-osteoarthritic knee; and (C) patients with an unstable meniscal tear in a non-osteoarthritic knee. DESIGN: Systematic review and meta-analysis...
February 22, 2019: British Journal of Sports Medicine
Ketankumar Vadodaria, Abhilash Kulkarni, E Santhini, Prakash Vasudevan
Meniscus is a vital functional unit in knee joint. It acts as a lubricating structure, a nutrient transporting structure, as well as shock absorber during jumping, twisting and running and offers stability within the knee joint. It helps in load distribution, in bearing the tensile hoop stresses and balancing by providing a cushion effect between hard surfaces of two bones. Meniscus may be injured in sports, dancing, accident or any over stressed condition. Any meniscal lesion can lead to a gradual development of osteoarthritis or erosion of bone contact surface due to disturbed load and contact stress distribution caused by injury/pain...
March 2019: BioMedicine
Andrew J Clair, Matthew T Kingery, Utkarsh Anil, Lena Kenny, Thorsten Kirsch, Eric J Strauss
BACKGROUND: Changes in the joint microenvironment after an injury to the articular surface of the knee have been implicated in the pathogenesis of osteoarthritis. While prior studies focused on changes in this microenvironment after anterior cruciate ligament ruptures, few have explored the biomarker changes that occur in the setting of meniscal injuries. PURPOSE: To determine whether meniscal injury results in significant alterations to synovial fluid biomarker concentrations as compared with noninjured contralateral knees...
February 20, 2019: American Journal of Sports Medicine
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