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https://www.readbyqxmd.com/read/29119285/lateral-femoral-notch-depth-is-not-associated-with-increased-rotatory-instability-in-acl-injured-knees-a-quantitative-pivot-shift-analysis
#1
Ajay C Kanakamedala, Jeremy M Burnham, Thomas R Pfeiffer, Elmar Herbst, Marcin Kowalczuk, Adam Popchak, James Irrgang, Freddie H Fu, Volker Musahl
PURPOSE: A deep lateral femoral notch (LFN) on lateral radiographs is indicative of ACL injury. Prior studies have suggested that a deep LFN may also be a sign of persistent rotatory instability and a concomitant lateral meniscus tear. Therefore, the purpose of this study was to evaluate the relationship between LFN depth and both quantitative measures of rotatory knee instability and the incidence of lateral meniscus tears. It was hypothesized that greater LFN depth would be correlated with increased rotatory instability, quantified by lateral compartment translation and tibial acceleration during a quantitative pivot shift test, and incidence of lateral meniscus tears...
November 8, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29112467/meniscectomy-and-resultant-articular-cartilage-lesions-of-the-knee-among-prospective-national-football-league-players-an-imaging-and-performance-analysis
#2
Jorge Chahla, Mark E Cinque, Jonathan A Godin, George Sanchez, George F Lebus, James M Whalen, Mark D Price, Nicholas I Kennedy, Gilbert Moatshe, Robert F LaPrade, Matthew T Provencher
BACKGROUND: The effect of prior meniscectomy and the resulting reduction in meniscal tissue on a potential National Football League (NFL) player's articular cartilage status and performance remain poorly elucidated. Purpose/Hypothesis: (1) To determine the epidemiology, imaging characteristics, and associated articular cartilage pathology of the knee among players with a previous meniscectomy who were participating in the NFL Combine and (2) to evaluate the effect of these injuries on performance as compared with matched controls...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29102413/posteriorly-inserted-anterior-cruciate-ligament-in-knees-with-discoid-lateral-meniscus-corresponding-to-bony-morphological-characteristics-of-femoral-lateral-condyle
#3
Takao Minami, Hideyuki Koga, Ichiro Sekiya, Toshifumi Watanabe, Masafumi Horie, Hiroki Katagiri, Koji Otabe, Toshiyuki Ohara, Mai Katakura, Takeshi Muneta
PURPOSE: Discoid meniscus often causes mechanical problems and needs surgical treatment at an early age. However, many aspects of its morphological development and changes remain unknown. The purpose of this study was to investigate the insertion of the femoral anterior cruciate ligament (ACL) via the behind-ACL approach and the morphology of the lateral femoral condyle to which the ACL attaches to clarify the morphological characteristics of the knee with discoid lateral meniscus (DLM)...
November 1, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29099888/medial-oblique-meniscomeniscal-ligament-of-knee
#4
Avijit Sharma, Jason Payne, M M Manring, David C Flanigan
An aberrant meniscus attachment was found in the setting of an anterior cruciate ligament injury. An anomalous cordlike attachment ran from the anterior horn of the medial meniscus to the posterior horn of the lateral meniscus through the intercondylar notch. Surgeons should be aware of the anatomical variability in the knee in order to provide the best care for their patients.
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29095401/mri-and-arthroscopic-evaluation-of-meniscal-injuries
#5
Matthew H Blake, Christian Lattermann, Darren L Johnson
There has been an increasing awareness of the importance of the meniscus in maintaining the health and function of the knee. When injured, magnetic resonance imaging (MRI) has become the gold standard to diagnose meniscal tears. The information obtained from the MRI helps determine the need for surgical intervention. To achieve the best patient outcome a surgeon must be able to diagnose a meniscal injury by MRI as well as identify the injury at time of arthroscopy. This article aims to illustrate meniscal pathology utilizing side by side comparison of MRI identified meniscal injuries to its arthroscopic correlate as well as describe treatment options for the injury...
December 2017: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/29093428/danshen-attenuates-cartilage-injuries-in-osteoarthritis-in-vivo-and-in-vitro-by-activating-jak2-stat3-and-akt-pathways
#6
Xilin Xu, Hang Lv, Xiaodong Li, Hui Su, Xiaofeng Zhang, Jun Yang
Articular cartilage degradation is a main feature of osteoarthritis (OA). The effects of Danshen, a traditional Chinese herb, in mitigating cartilage damage have been reported before. This study was conducted to investigate the effects of Danshen on cartilage injuries in OA. Rabbit OA models were established by surgical destabilization of the medial meniscus and the anterior and posterior cruciate ligaments in the left knee joint. Injection of Danshen into the articular cavity attenuated OA cartilage destruction in vivo...
October 31, 2017: Experimental Animals
https://www.readbyqxmd.com/read/29068480/phlpp-inhibitors-block-pain-and-cartilage-degradation-associated-with-osteoarthritis
#7
Soyun M Hwang, Marina Feigenson, Dana L Begun, Lomeli Carpio Shull, Kirsty L Culley, Miguel Otero, Mary B Goldring, Lauren E Ta, Sanjeev Kakar, Elizabeth W Bradley, Jennifer J Westendorf
Phlpp protein phosphatases are abnormally abundant within human osteoarthritic articular chondrocytes and may contribute to the development of osteoarthritis. Mice lacking Phlpp1 were previously shown to be resistant to post-traumatic osteoarthritis. Here a small molecule with therapeutic properties that inhibits Phlpp1 and Phlpp2 was tested for its ability to slow post-traumatic OA in mice and to stimulate anabolic pathways in human articular cartilage from OA joints. PTOA was induced in male C57Bl/6 mice by surgically destabilizing the meniscus...
October 25, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29065270/medial-meniscus-resection-increases-and-medial-meniscus-repair-preserves-anterior-knee-laxity-a-cohort-study-of-4497-patients-with-primary-anterior-cruciate-ligament-reconstruction
#8
Riccardo Cristiani, Erik Rönnblad, Björn Engström, Magnus Forssblad, Anders Stålman
BACKGROUND: There are still controversies regarding the effects on knee laxity of additional meniscus resection or repair in the setting of anterior cruciate ligament reconstruction (ACLR). Hypothesis/Purpose: The purpose was to determine the effects on knee laxity of resection or repair of medial meniscus (MM) or lateral meniscus (LM) injuries in the ACLR knee. The hypothesis was that patients with an additional meniscus resection would have significantly increased postoperative knee laxity versus that of an isolated ACLR, whereas patients with meniscus repair would have laxity comparable to that of an isolated ACLR...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29065035/the-effect-of-soft-tissue-injuries-on-clinical-outcomes-following-tibial-plateau-fracture-fixation
#9
Stephen J Warner, Matthew R Garner, Patrick C Schottel, Peter D Fabricant, Ryan R Thacher, Michael L Loftus, David L Helfet, Dean G Lorich
OBJECTIVE: The purpose of this study was to determine if ligamentous and meniscal injuries as determined by initial magnetic resonance imaging altered clinical outcomes following the fixation of tibial plateau fractures. DESIGN: Comparative cohort study. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: Eighty-two patients from a prospective database of operatively treated tibial plateau fractures met the inclusion criteria, which consisted of injury radiographs, preoperative knee MRI, and a minimum of twelve months of clinical outcomes...
October 14, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29054554/second-look-arthroscopic-evaluation-of-repaired-radial-oblique-tears-of-the-midbody-of-the-lateral-meniscus-in-stable-knees
#10
Akira Tsujii, Hiroshi Amano, Yoshinari Tanaka, Keisuke Kita, Ryohei Uchida, Yoshiki Shiozaki, Shuji Horibe
BACKGROUND: Radial/oblique tears of the midbody of the lateral meniscus significantly impair the ability of the meniscus to withstand the tibiofemoral load, requiring meniscal repair. However, healing status after meniscal repair has not been fully elucidated. This study aimed to evaluate arthroscopic findings after inside-out suture repair for isolated radial/oblique tears of the midbody of the lateral meniscus. METHODS: From 2011 to 2015, 18 consecutive patients with isolated radial/oblique tears of the midbody of the lateral meniscus underwent arthroscopic inside-out repair with the tie-grip suture technique...
October 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29042699/arthroscopic-repair-of-the-medial-meniscus-radial-oblique-tear-prevents-the-progression-of-meniscal-extrusion-in-mildly-osteoarthritic-knees
#11
Takayuki Furumatsu, Yuya Kodama, Yusuke Kamatsuki, Tomohito Hino, Toshifumi Ozaki
Extrusion of the medial meniscus (MM) is associated with knee joint pain in osteoarthritic knees. The relationships among MM radial/oblique tears, MM extrusion (MME), and the effect of arthroscopic meniscal repair are not established. Here we evaluated the effects of arthroscopic all-inside MM repair on MME and the clinical outcomes in patients with radially oriented MM tears and mildly osteoarthritic knees. Twenty patients with a symptomatic radial or oblique tear of the MM posterior segment, MME ≥2.5 mm, and mildly osteoarthritic knees were treated using FasT-Fix 360 All-inside Meniscal Suture devices...
October 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28989151/-application-of-pie-crusting-the-medial-collateral-ligament-release-in-arthroscopic-surgery-for-posterior-horn-of-%C3%A2-medial-meniscus-in-knee-joint
#12
Weihong Zhu, Qi Tang, Lele Liao, Ding Li, Yang Yang, You Chen
To explore the effectiveness and safety of pie-crusting the medial collateral ligament release (MCL) in treating posterior horn of medial meniscus (PHMM) tear in tight medial tibiofemoral compartment of knee joint.
 Methods: Thirty-two consecutive patients with PHMM tear in tight medial tibiofemoral compartment of knee joint were admitted to our department from January, 2013 to December, 2014. All patients were performed pie-crusting the MCL release at its tibial insertion with 18-gauge intravenous needle...
September 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28981117/trehalose-ameliorates-oxidative-stress-mediated-mitochondrial-dysfunction-and-er-stress-via-selective-autophagy-stimulation-and-autophagic-flux-restoration-in-osteoarthritis-development
#13
Qian Tang, Gang Zheng, Zhenhua Feng, Yu Chen, Yiting Lou, Chenggui Wang, Xiaolei Zhang, Yu Zhang, Huazi Xu, Ping Shang, Haixiao Liu
Oxidative stress-related apoptosis and autophagy play crucial roles in the development of osteoarthritis (OA), a progressive cartilage degenerative disease with multifactorial etiologies. Here, we determined autophagic flux changes and apoptosis in human OA and tert-Butyl hydroperoxide (TBHP)-treated chondrocytes. In addition, we explored the potential protective effects of trehalose, a novel Mammalian Target of Rapamycin (mTOR)-independent autophagic inducer, in TBHP-treated mouse chondrocytes and a destabilized medial meniscus (DMM) mouse OA model...
October 5, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28969948/the-effect-of-body-mass-index-on-clinical-outcomes-in-patients-without-radiographic-evidence-of-degenerative-joint-disease-after-arthroscopic-partial-meniscectomy
#14
Melissa A Kluczynski, John M Marzo, William M Wind, Marc S Fineberg, Geoffrey A Bernas, Michael A Rauh, Zehua Zhou, Jiwei Zhao, Leslie J Bisson
PURPOSE: To examine the effect of obesity on clinical outcomes at 1 year after arthroscopic partial meniscectomy. METHODS: We conducted a secondary analysis of the ChAMP (Chondral Lesions and Meniscus Procedures) randomized controlled trial (N = 256). The visual analog scale for pain, Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), Knee Injury and Osteoarthritis Outcome Score (KOOS), range of motion, and presence of effusion were assessed preoperatively and at 1 year after arthroscopic partial meniscectomy...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28966381/meniscal-preservation-is-important-for-the-knee-joint
#15
Shantanu Sudhakar Patil, Anshu Shekhar, Sachin Ramchandra Tapasvi
Native joint preservation has gained importance in recent years. This is mostly to find solutions for limitations of arthroplasty. In the knee joint, the menisci perform critical functions, adding stability during range of motion and efficiently transferring load across the tibiofemoral articulation while protecting the cartilage. The menisci are the most common injury seen by orthopedicians, especially in the younger active patients. Advances in technology and our knowledge on functioning of the knee joint have made meniscus repair an important mode of treatment...
September 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28965142/improvement-in-the-medial-meniscus-posterior-shift-following-anterior-cruciate-ligament-reconstruction
#16
Hiroto Inoue, Takayuki Furumatsu, Shinichi Miyazawa, Masataka Fujii, Yuya Kodama, Toshifumi Ozaki
PURPOSE: Anterior cruciate ligament (ACL) reconstruction can reduce the risk of developing osteoarthritic knees. The goals of ACL reconstruction are to restore knee stability and reduce post-traumatic meniscal tears and cartilage degradation. A chronic ACL insufficiency frequently results in medial meniscus (MM) injury at the posterior segment. How ACL reconstruction can reduce the deformation of the MM posterior segment remains unclear. In this study, we evaluated the form of the MM posterior segment and anterior tibial translation before and after ACL reconstruction using open magnetic resonance imaging (MRI)...
September 30, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28958637/injuries-and-other-adverse-events-associated-with-yoga-practice-a-systematic-review-of-epidemiological-studies
#17
REVIEW
Holger Cramer, Thomas Ostermann, Gustav Dobos
OBJECTIVES: To systematically assess the prevalence of yoga-associated injuries and other adverse events in epidemiological studies. DESIGN: Systematic review of observational studies. METHODS: Medline/PubMed, Scopus, the Cochrane Library, and IndMed were searched through October 2016 for epidemiological studies assessing the prevalence of adverse events of yoga practice or comparing the risk of any adverse events between yoga practitioners and non-yoga practitioners...
September 20, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28951643/acl-reconstruction-using-femoral-rigid-fix-and-tibial-bio-intrafix-devices
#18
Rahul Singh, Sujit Kumar Tripathy, Monappa A Naik, Premjit Sujir, Sharath K Rao
OBJECTIVES: The objective of this study is to report the clinical and functional outcomes of Hamstring graft ACL reconstruction fixed with femoral Rigid-fix and tibial Bio-intrafix devices. METHODS: In a prospective study, the clinical (Lysholm score) and functional outcomes (International Knee Documentation Committee, IKDC) of 44 patients who underwent autologus hamstring graft ACL reconstruction using femoral Rigid-fix and tibial Bio-intrafix devices, were evaluated at the end of one year...
July 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28951279/medial-meniscus-extrusion-correlates-with-disease-duration-of-the-sudden-symptomatic-medial-meniscus-posterior-root-tear
#19
Takayuki Furumatsu, Yusuke Kamatsuki, Masataka Fujii, Yuya Kodama, Yoshiki Okazaki, Shin Masuda, Toshifumi Ozaki
INTRODUCTION: Medial meniscus posterior root tear (MMPRT) leads to abnormal biomechanics of the knee by inducing the medial meniscus extrusion (MME). However, a time-dependent increase of the MME isnot fully elucidated in patients suffering from the acute MMPRT. The aim of this study was to investigate the relationships among disease duration of the MMPRT andseverity of the MME. We hypothesized that MME measurement correlates with disease duration after a sudden onset ofthe minor traumaticMMPRT during the short-term follow-up period...
September 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28950384/diagnostic-accuracy-of-an-mri-protocol-of-the-knee-accelerated-through-parallel-imaging-in-correlation-to-arthroscopy
#20
Johannes Walter Schnaiter, Frank Roemer, Axel McKenna-Kuettner, Hans-Joachim Patzak, Matthias Stefan May, Rolf Janka, Michael Uder, Wolfgang Wuest
Purpose Parallel imaging allows for a considerable shortening of examination times. Limited data is available about the diagnostic accuracy of an accelerated knee MRI protocol based on parallel imaging evaluating all knee joint compartments in a large patient population compared to arthroscopy. Materials and Methods 162 consecutive patients with a knee MRI (1.5 T, Siemens Aera) and arthroscopy were included. The total MRI scan time was less than 9 minutes. Meniscus and cartilage injuries, cruciate ligament lesions, loose joint bodies and medial patellar plicae were evaluated...
September 26, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
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