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https://www.readbyqxmd.com/read/29456631/a-model-of-anterior-cruciate-ligament-injury-in-cynomolgus-monkeys-developed-via-arthroscopic-surgery
#1
Lei Zhang, Taiyuan Guan, Ji Qi, Shaoqun Zhang, Xin Zhou, Yang Liu, Shijie Fu
The anterior cruciate ligament (ACL) is an important structure that maintains the stability of knee joints. Animal models of ACL injury are helpful to explore its underlying mechanisms, and strategies for prevention, treatment and rehabilitation. Therefore, the aim of the present study was to develop an efficient model of ACL injury in cynomolgus monkeys via arthroscopic techniques. In the present study, 18 cynomolgus monkeys were randomly divided into a model group (n=6), a sham operation group (n=6) and a blank control group (n=6)...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456068/magnetic-resonance-imaging-diagnosis-of-medial-meniscal-ramp-lesions-in-patients-with-anterior-cruciate-ligament-injuries
#2
Kazuhisa Hatayama, Masanori Terauchi, Kenichi Saito, Jun Aoki, Satoshi Nonaka, Hiroshi Higuchi
PURPOSE: To prospectively evaluate the sensitivity and specificity of magnetic resonance imaging (MRI) for diagnosing ramp lesions, to compare them between 1.5- and 3-T MRI, and to evaluate whether bone contusion of the posterior lip of the medial tibial plateau was associated with ramp lesions. METHODS: For 155 knees that underwent primary ACL reconstruction, we prospectively examined for ramp lesions and medial meniscal body tears on MRI. MRI diagnosis of ramp lesions required high signal irregularity of the capsular margin or separation in the meniscocapsular junction of the medial meniscus posterior horn on sagittal images...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29456063/clinical-outcome-of-arthroscopic-lateral-retinacular-release-for-symptomatic-bipartite-patella-in-athletes
#3
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...
February 15, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29455243/2018-international-olympic-committee-consensus-statement-on-prevention-diagnosis-and-management-of-paediatric-anterior-cruciate-ligament-acl-injuries
#4
REVIEW
Clare L Ardern, Guri Ekås, Hege Grindem, Håvard Moksnes, Allen Anderson, Franck Chotel, Moises Cohen, Magnus Forssblad, Theodore J Ganley, Julian A Feller, Jón Karlsson, Mininder S Kocher, Robert F LaPrade, Mike McNamee, Bert Mandelbaum, Lyle Micheli, Nicholas Mohtadi, Bruce Reider, Justin Roe, Romain Seil, Rainer Siebold, Holly J Silvers-Granelli, Torbjørn Soligard, Erik Witvrouw, Lars Engebretsen
In October 2017, the International Olympic Committee hosted an international expert group of physiotherapists and orthopaedic surgeons who specialise in treating and researching paediatric anterior cruciate ligament (ACL) injuries. Representatives from the American Orthopaedic Society for Sports Medicine, European Paediatric Orthopaedic Society, European Society for Sports Traumatology, Knee Surgery and Arthroscopy, International Society of Arthroscopy Knee Surgery and Orthopaedic Sports Medicine, Pediatric Orthopaedic Society of North America, and Sociedad Latinoamericana de Artroscopia, Rodilla y Deporte attended...
February 17, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29434808/double-bundle-revision-anterior-cruciate-ligament-reconstruction-is-effective-in-rescuing-failed-primary-reconstruction-and-re-introducing-patients-to-physical-exercise
#5
Changqing Jiang, Guofei Chen, Peng Chen, Wei Li, Honglei Zhang, Wentao Zhang
The anterior cruciate ligament (ACL) is one of a pair of cruciate ligaments in the human knee and is critical for knee stability, as it limits anterior tibial translation on the femur, restrains rotation and resists varus and valgus joint forces. The present study aimed to assess the effect of double-bundle revision anterior cruciate ligament (ACL) reconstruction in improving the subjective and objective functions and re-introducing patients to physical activity after primary ACL reconstruction had failed. A total of 34 patients who underwent double-bundle ACL revision surgeries were included in the present retrospective study...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29430496/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-acl-reconstruction-with-hamstring-tendon-autograft-a-comparison-between-oblique-and-vertical-incisions
#6
Hamid Mousavi, Mohammad Mohammadi, Hossein Akbari Aghdam
Background: Injury to the infrapatellar branch of the saphenous nerve (IPBSN) is common after arthroscopic ACL reconstruction with hamstring tendon autograft, as reported in up to 88% of the cases. Due to close relationship between the IPBSN with pes anserine tendons insertion skin incision may sever IPBSN while harvesting gracillis and semitendinous tendons. As the IPBSN course at the anterior of knee is oblique, we hypothesized a parallel skin incision with nerve passage may decrease nerve injury...
January 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29427218/short-to-mid-term-outcomes-of-anatomic-mcl-reconstruction-with-achilles-tendon-allograft-after-multiligament-knee-injury
#7
Ian J Barrett, Aaron J Krych, Ayoosh Pareek, Nicholas R Johnson, Diane L Dahm, Michael J Stuart, Bruce A Levy
PURPOSE: Multiple techniques have been described in the literature for reconstruction of the medial collateral ligament. The purpose of this study is to describe functional outcome, range of motion, and knee stability following anatomic MCL reconstruction utilizing an Achilles tendon bone allograft after multiligament knee injury. METHODS: A comprehensive search of a single-hospital multiligament knee injury (MLKI) procedural database was conducted to identify all patients that underwent reconstruction of the MCL utilizing an Achilles tendon bone allograft and with 2-year clinical follow-up...
February 9, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29417349/histopathological-analysis-of-the-posterior-cruciate-ligament-in-primary-osteoarthritis
#8
Glaucus Cajaty Martins, Gilberto Camanho, Mara Ibis Rodrigues, Luiz Felippe Martins Filho, Marco Kawamura Demange
BACKGROUND: According to some authors, the indication of an arthroplasty maintaining the posterior cruciate ligament (PCL) demands adequate structural preservation and proprioceptive function of this ligament. The nervous fibers contained in the synovial neurovascular bundle (NVB) around the PCL are involved in proprioception. A study evaluating the grade of PCL and NVB degeneration by using clinical, radiological, and perioperative parameters in knee arthritis patients, in theory, could help surgeons in the decision of preserving or not preserving the PCL in a particular patient...
February 7, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29404655/concomitant-injuries-may-not-reduce-the-likelihood-of-achieving-symmetrical-muscle-function-one%C3%A2-year-after-anterior-cruciate-ligament-reconstruction-a-prospective-observational-study-based-on-263-patients
#9
Eric Hamrin Senorski, Eleonor Svantesson, Susanne Beischer, Christoffer Thomeé, Alberto Grassi, Ferid Krupic, Roland Thomeé, Jón Karlsson, Kristian Samuelsson
PURPOSE: A better understanding of patient characteristics and the way common concomitant injuries affect the recovery of muscle function after surgery should help providers to treat patients with anterior cruciate ligament (ACL) injuries. The aim of this study was to determine whether patient characteristics, concomitant injuries and graft choice at ACL reconstruction were associated with symmetrical knee muscle function at one year. The hypothesis was that the presence of concomitant injuries would negatively influence the opportunity to achieve symmetrical knee function at the one-year follow-up...
February 5, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29404653/surgeon-experience-with-dynamic-intraligamentary-stabilization-does-not-influence-risk-of-failure
#10
Philipp Henle, Kathrin S Bieri, Janosch Haeberli, Nele Arnout, Jan Victor, Mirco Herbort, Clemens Koesters, Stefan Eggli
PURPOSE: Studies on dynamic intraligamentary stabilization (DIS) of acute anterior cruciate ligament (ACL) ruptures reported failure rates similar to those of conventional ACL reconstruction. This study aimed to determine whether surgeon experience with DIS is associated with revision rates or patient-reported outcomes. The hypothesis was that more experienced surgeons achieved better outcomes following DIS due to substantial learning curve. METHODS: The authors prospectively enrolled 110 consecutive patients that underwent DIS and evaluated them at a minimum of 2 years...
February 5, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29401408/preoperative-koos-and-sf-36-scores-are-associated-with-the-development-of-symptomatic-knee-osteoarthritis-at-7-years-after-anterior-cruciate-ligament-reconstruction
#11
J Kristopher Ware, Brett D Owens, Matthew R Akelman, Naga Padmini Karamchedu, Paul D Fadale, Michael J Hulstyn, Robert M Shalvoy, Gary J Badger, Braden C Fleming
BACKGROUND: Anterior cruciate ligament (ACL) tears are associated with the development of knee osteoarthritis despite ACL reconstruction surgery. However, little evidence is available to determine which patients will develop symptomatic knee osteoarthritis. PURPOSE: To determine if preoperative outcome measures-KOOS (Knee injury and Osteoarthritis Outcome Score) and SF-36 (36-item Short Form Health Survey)-were associated with the development of a symptomatic knee 7 years after ACL reconstruction...
February 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29399591/underappreciated-factors-to-consider-in-revision-anterior-cruciate-ligament-reconstruction-a-current-concepts-review
#12
REVIEW
Brendan R Southam, Angelo J Colosimo, Brian Grawe
Primary anterior cruciate ligament (ACL) reconstructions (ACLRs) are being performed with increasing frequency. While many of these will have successful outcomes, failures will occur in a subset of patients who will require revision ACLRs. As such, the number of revision procedures will continue to rise as well. While many reviews have focused on factors that commonly contribute to failure of primary ACLR, including graft choice, patient factors, early return to sport, and technical errors, this review focused on several factors that have received less attention in the literature...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29397287/clinical-outcomes-after-arthroscopic-release-of-patellofemoral-arthrofibrosis-in-patients-with-prior-anterior-cruciate-ligament-reconstruction
#13
Sean P Calloway, Clinton J Soppe, Bert R Mandelbaum
PURPOSE: The purpose of this study was to review our results of arthroscopic release in patients diagnosed with refractory patellofemoral arthrofibrosis (PFA) after having undergone anterior cruciate ligament (ACL) reconstruction. METHODS: From 2006 to 2016, all patients who underwent arthroscopic release for refractory PFA after ACL reconstruction were reviewed retrospectively. All patients then completed surveys containing the International Knee Documentation Committee (IKDC) and the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and were asked 2 subjective questions...
January 31, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29395549/patients-with-concomitant-intra-articular-lesions-at-index-surgery-deteriorate-in-their-knee-injury-and-osteoarthritis-outcome-score-in-the-long-term-more-than-patients-with-isolated-anterior-cruciate-ligament-rupture-a-study-from-the-swedish-national-anterior
#14
Sadeshkumar Balasingam, Ninni Sernert, Henrik Magnusson, Jüri Kartus
PURPOSE: To analyze and compare clinical outcomes after anterior cruciate ligament (ACL) reconstruction 5 and 10 years postsurgery between patients with concomitant intra-articular injuries and those with isolated ACL injury at reconstruction. METHODS: Registrations were made using a web-based protocol by physicians for baseline and surgical data. Patients registered their Knee Injury and Osteoarthritis Outcome Score (KOOS) preoperatively and at 5 and 10 years postsurgery...
January 27, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29394877/differences-in-the-lateral-compartment-joint-space-width-after-anterior-cruciate-ligament-reconstruction-data-from-the-moon-onsite-cohort
#15
Morgan H Jones, Kurt P Spindler, Jack T Andrish, Charles L Cox, Warren R Dunn, Jeff Duryea, Carol L Duong, David C Flanigan, Braden C Fleming, Laura J Huston, Christopher C Kaeding, Matthew J Matava, Nancy A Obuchowski, Heidi L Oksendahl, Richard D Parker, Erica A Scaramuzza, Matthew V Smith, Carl S Winalski, Rick W Wright, Emily K Reinke
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction can effectively return athletes to the playing field, but they are still at risk of developing posttraumatic osteoarthritis (PTOA). No studies have used multivariable analysis to evaluate the predictors of radiographic PTOA in the lateral compartment of the knee at short-term follow-up after ACL reconstruction. PURPOSE: To determine the predictors of radiographic joint space narrowing in the lateral compartment 2 to 3 years after ACL reconstruction in a young, active cohort...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29389221/the-augmentation-of-revision-anterior-cruciate-ligament-reconstruction-with-modified-iliotibial-band-tenodesis-to-correct-the-pivot-shift-a-computer-navigation-study
#16
Mark D Porter, Bruce Shadbolt, Samantha Pomroy
BACKGROUND: Iliotibial band (ITB) tenodesis improves stability and functional outcomes when added to anterior cruciate ligament (ACL) reconstruction. Its precise indications are unknown. Persistence of the pivot shift after revision ACL reconstruction may be one indication. HYPOTHESIS: The addition of ITB tenodesis for a persistent pivot shift after revision ACL reconstruction will improve stability and activity levels. STUDY DESIGN: Cohort study; Level of evidence, 2...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29387643/correlation-between-time-from-injury-to-surgery-and-the-prevalence-of-ramp-and-hidden-lesions-during-anterior-cruciate-ligament-reconstruction-a-new-diagnostic-algorithm
#17
Gianni Di Vico, Sigismondo Luca Di Donato, Giovanni Balato, Gaetano Correra, Alessio D'Addona, Nicola Maffulli, Donato Rosa
Background: Anterior cruciate ligament tears (ACL) are associated with meniscal lesions, that could involve the posterior horn of the medial meniscus (PHMM). A variety of techniques has been proposed to better visualise the postero-medial (PM) compartment. The aim of the study is to evaluate the prevalence of longitudinal tears of peripheral attachment of the PHMM during arthroscopic ACL reconstruction, and to describe a diagnostic algorithm. Methods: 115 patients who underwent arthroscopic ACL reconstruction were enrolled for the study...
July 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/29382207/revision-anterior-cruciate-ligament-reconstruction-outcomes-in-younger-patients-medial-meniscal-pathology-and-high-rates-of-return-to-sport-are-associated-with-third-acl-injuries
#18
Kate E Webster, Julian A Feller, Alexander J Kimp, Timothy S Whitehead
BACKGROUND: There are limited data evaluating the outcomes of revision anterior cruciate ligament (ACL) reconstruction surgery in younger patients despite recent reports that the rates of graft rupture are higher in young cohorts. PURPOSE: The purpose was to explore the outcomes of revision ACL reconstruction surgery in younger patients with the specific aims of determining the rates of third ACL injury and whether knee pathology at the time of revision surgery and return to sport were associated with further injury...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29380050/tibial-tunnel-placement-in-anatomic-anterior-cruciate-ligament-reconstruction-a-comparison-study-of-outcomes-between-patient-specific-drill-template-versus-conventional-arthroscopic-techniques
#19
Meisong Zhu, Sijing Li, Zexin Su, Xiaoqi Zhou, Peng Peng, Jianyi Li, Jinping Wang, Lijun Lin
INTRODUCTION: Accurate anatomic graft tunnel positioning is essential for the successful application of anatomic anterior cruciate ligament (ACL) reconstruction. The accurate insertion of the tibial tunnel (TT) remains challenging. Here, we explored a novel strategy of patient-specific drill template (PDT) for the placement of TT in ACL reconstruction and assessed its efficacy and accuracy. MATERIALS AND METHODS: TT placement was randomized and performed by use of the PDT technique in 40 patients (PDT group) and the conventional arthroscopic technique in 38 patients (Arthroscopic group)...
January 27, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29377313/sost-sclerostin-improves-post-traumatic-osteoarthritis-and-inhibits-mmp2-3-expression-after-injury
#20
Jiun C Chang, Blaine A Christiansen, Deepa K Murugesh, Aimy Sebastian, Nicholas R Hum, Nicole M Collette, Sarah Hatsell, Aris N Economides, Craig D Blanchette, Gabriela G Loots
Patients with anterior cruciate ligament (ACL) rupture are 2X as likely to develop post traumatic osteoarthritis (PTOA). Annually, there are ∼900,000 knee injuries in the US, which account for ∼12% of all OA cases. PTOA leads to reduced physical activity, deconditioning of the musculoskeletal system and in severe cases, requires joint replacement to restore function. Therefore, treatments that would prevent cartilage degradation post injury would provide attractive alternatives to surgery. Sclerostin (Sost), a Wnt antagonist and a potent negative regulator of bone formation has recently been implicated in regulating chondrocyte function in osteoarthritis (OA)...
January 26, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
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