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Knee ligamentous tears

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https://www.readbyqxmd.com/read/28712025/side-to-side-asymmetries-in-landing-mechanics-from-a-drop-vertical-jump-test-are-not-related-to-asymmetries-in-knee-joint-laxity-following-anterior-cruciate-ligament-reconstruction
#1
Christophe A G Meyer, Paul Gette, Caroline Mouton, Romain Seil, Daniel Theisen
PURPOSE: Asymmetries in knee joint biomechanics and increased knee joint laxity in patients following anterior cruciate ligament reconstruction (ACLR) are considered risk factors for re-tear or early onset of osteoarthritis. Nevertheless, the relationship between these factors has not been established. The aim of the study was to compare knee mechanics during landing from a bilateral drop vertical jump in patients following ACLR and control participants and to study the relationship between side-to-side asymmetries in landing mechanics and knee joint laxity...
July 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28710543/acute-non-contact-anterior-cruciate-ligament-tears-are-associated-with-relatively-increased-vastus-medialis-to-semimembranosus-cross-sectional-area-ratio-a-case-control-retrospective-mr-study
#2
Ged G Wieschhoff, Jacob C Mandell, Gregory J Czuczman, Violeta Nikac, Nehal Shah, Stacy E Smith
OBJECTIVE: Hamstring muscle deficiency is increasingly recognized as a risk factor for anterior cruciate ligament (ACL) tears. The purpose of this study is to evaluate the vastus medialis to semimembranosus cross-sectional area (VM:SM CSA) ratio on magnetic resonance imaging (MRI) in patients with ACL tears compared to controls. MATERIALS AND METHODS: One hundred knee MRIs of acute ACL tear patients and 100 age-, sex-, and side-matched controls were included. Mechanism of injury, contact versus non-contact, was determined for each ACL tear subject...
July 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28707122/segond-s-fracture-a-biomechanical-cadaveric-study-using-navigation
#3
E Monaco, Daniele Mazza, A Redler, D Lupariello, R Lanzetti, M Guzzini, A Ferretti
BACKGROUND: Segond's fracture is a well-recognised radiological sign of an anterior cruciate ligament (ACL) tear. While previous studies evaluated the role of the anterolateral ligament (ALL) and complex injuries on rotational stability of the knee, there are no studies on the biomechanical effect of Segond's fracture in an ACL deficient knee. The aim of this study was to evaluate the effect of a Segond's fracture on knee rotation stability as evaluated by a navigation system in an ACL deficient knee...
July 13, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28706842/single-bundle-augmentation-for-a-partial-tear-of-the-anterior-cruciate-ligament
#4
Allison J Rao, Gregory L Cvetanovich, William A Zuke, Beatrice Go, Brian Forsythe
Given the prevalence of anterior cruciate ligament (ACL) tears in young athletes, it is essential to elucidate and illustrate surgical interventions that return the most favorable outcomes. Although most ACL injuries are full-thickness tears, occasionally either the anteromedial (AM) or posterolateral (PL) bundle is torn in isolation, allowing consideration of an ACL reconstruction or augmentation. Because the ACL-deficient knee has been shown to exhibit less proprioceptive feedback, the preservation of the intact bundle may offer an inherent component of stability...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28702800/anterolateral-ligament-injuries-in-knees-with-an-anterior-cruciate-ligament-tear-contribution-of-ultrasonography-and-mri
#5
Marie Faruch Bilfeld, Etienne Cavaignac, Karine Wytrykowski, Olivia Constans, Franck Lapègue, Hélène Chiavassa Gandois, Ahmed Larbi, Nicolas Sans
OBJECTIVES: To describe the pathological appearance of the anterolateral ligament (ALL) on US and MRI in knees with an anterior cruciate ligament (ACL) tear. METHODS: This prospective study included 30 patients who had a suspected acute ACL tear. Their injured and contralateral knees were evaluated with radiography, US and MRI. Two radiologists evaluated the ALL on the MRI and US examinations. Agreement between these examiners' findings was evaluated with Cohen's kappa...
July 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28698804/the-knee-meniscus-management-of-traumatic-tears-and-degenerative-lesions
#6
Philippe Beaufils, Roland Becker, Sebastian Kopf, Ollivier Matthieu, Nicolas Pujol
Meniscectomy is one of the most popular orthopaedic procedures, but long-term results are not entirely satisfactory and the concept of meniscal preservation has therefore progressed over the years. However, the meniscectomy rate remains too high even though robust scientific publications indicate the value of meniscal repair or non-removal in traumatic tears and non-operative treatment rather than meniscectomy in degenerative meniscal lesionsIn traumatic tears, the first-line choice is repair or non-removal...
May 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28680898/factors-affecting-the-outcomes-of-arthroscopically-repaired-traumatic-vertical-longitudinal-medial-meniscal-tears
#7
Erdal Uzun, Abdulhamit Misir, Turan Bilge Kizkapan, Mustafa Ozcamdalli, Soner Akkurt, Ahmet Guney
BACKGROUND: Although numerous studies have assessed arthroscopic medial meniscal repairs, few studies have focused on factors affecting outcomes of vertical longitudinal and bucket-handle repairs. PURPOSE: To evaluate the factors affecting clinical outcomes of arthroscopically repaired traumatic vertical longitudinal and bucket-handle medial meniscal tears. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A total of 223 patients underwent arthroscopic repair for medial meniscal tears between 2007 and 2012; 140 patients had isolated tears or concurrent anterior cruciate ligament (ACL) reconstruction, and 80 patients (76 men, 4 women; mean age, 29...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28680889/the-location-of-anterior-cruciate-ligament-tears-a-prevalence-study-using-magnetic-resonance-imaging
#8
Jelle P van der List, Douglas N Mintz, Gregory S DiFelice
BACKGROUND: Over the past decade, there has been a resurgence of interest in anterior cruciate ligament (ACL) preservation. Proximal and distal avulsion tears have been treated with arthroscopic primary repair, while augmented repair, remnant tensioning, primary repair with biological scaffold, and remnant preservation have been proposed for different types of midsubstance tears. Currently, the incidence of these different tear types is unknown. PURPOSE: To propose a magnetic resonance imaging (MRI) classification system for different tear types based on clinical relevance and to assess the distribution of these different ACL tear types...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28674740/changes-in-gait-pattern-and-early-functional-results-after-acl-repair-are-comparable-to-those-of-acl-reconstruction
#9
Benedikt Schliemann, Johannes Glasbrenner, Dieter Rosenbaum, Katharina Lammers, Mirco Herbort, Christoph Domnick, Michael J Raschke, Clemens Kösters
PURPOSE: Dynamic intraligamentary stabilization (DIS) has been introduced as a new technique to repair the torn anterior cruciate ligament (ACL) and to restore knee joint kinematics after an acute ACL tear. Aim of the present study was to compare the early post-operative activity, restoration of gait pattern and functional results after DIS in comparison with primary ACL reconstruction (ACLR) for acute ACL tears. It was hypothesized that functional results, post-operative activity and changes in gait pattern after DIS are comparable to those after ACLR...
July 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28660230/long-term-outcomes-in-anterior-cruciate-ligament-reconstruction-a-systematic-review-of-patellar-tendon-versus-hamstring-autografts
#10
REVIEW
Kirsten L Poehling-Monaghan, Hytham Salem, Kirsten E Ross, Eric Secrist, Michael C Ciccotti, Fotios Tjoumakaris, Michael G Ciccotti, Kevin B Freedman
BACKGROUND: Much controversy still exists surrounding graft choice in anterior cruciate ligament (ACL) reconstruction. Over the past decade, an increase in comparative studies with longer follow-up has enhanced our understanding of current graft options and outcomes. PURPOSE: To describe the long-term comparative outcomes of ACL reconstruction with autograft bone-patellar tendon-bone (BPTB) versus autograft hamstring (HS) ACL reconstruction with regard to clinical and radiographic outcomes...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28660229/lateral-meniscus-posterior-root-and-meniscofemoral-ligaments-as-stabilizing-structures-in-the-acl-deficient-knee-a-biomechanical-study
#11
Jonathan M Frank, Gilbert Moatshe, Alex W Brady, Grant J Dornan, Ashley Coggins, Kyle J Muckenhirn, Erik L Slette, Jacob D Mikula, Robert F LaPrade
BACKGROUND: The biomechanical effects of lateral meniscal posterior root tears with and without meniscofemoral ligament (MFL) tears in anterior cruciate ligament (ACL)-deficient knees have not been studied in detail. PURPOSE: To determine the biomechanical effects of the lateral meniscus (LM) posterior root tear in ACL-intact and ACL-deficient knees. In addition, the biomechanical effects of disrupting the MFLs in ACL-deficient knees with meniscal root tears were evaluated...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28653872/posttraumatic-bone-marrow-lesion-volume-and-knee-pain-within-4-weeks-after-anterior-cruciate-ligament-injury
#12
Jeffrey B Driban, Stefan Lohmander, Richard B Frobell
CONTEXT:   After an anterior cruciate ligament (ACL) injury, a majority of patients have a traumatic bone marrow lesion (BML, or bone bruise). The clinical relevance of posttraumatic lesions remains unclear. OBJECTIVE:   To explore the cross-sectional associations between traumatic BML volume and self-reported knee pain and symptoms among individuals within 4 weeks of ACL injury. DESIGN:   Cross-sectional exploratory analysis of a randomized clinical trial...
June 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28653183/patient-satisfaction-with-health-is-substantially-improved-following-acl-reconstruction
#13
Philipp Minzlaff, Thomas Heidt, Matthias J Feucht, Johannes E Plath, Stefan Hinterwimmer, Andreas B Imhoff, Tim Saier
PURPOSE: To prospectively monitor health-related quality of life and return to work after arthroscopic anterior cruciate ligament (ACL) reconstruction in patients with isolated ACL tears. METHODS: Sixty consecutive patients with isolated ACL tears who underwent arthroscopic ACL reconstruction were prospectively monitored using the "Questions on Life Satisfaction Modules" (FLZ(M)) and "Short-Form 12 (SF-12)" quality-of-life outcome measures. The Lysholm score and Tegner activity index were used as functional outcome measures...
June 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28647932/prospective-comparison-between-remnant-preserving-augmentation-and-double-bundle-reconstruction-in-anterior-cruciate-ligament-tears
#14
Noam Shohat, Dror Lindner, Eran Tamir, Yiftah Beer, Gabriel Agar
BACKGROUND: The debate continues regarding the best way to manage partial anterior cruciate ligament (ACL) tears. OBJECTIVES: To prospectively compare the clinical outcomes of remnant-preserving augmentation (RPA) and double-bundle reconstruction (DBR) in patients with ACL tears. METHODS: In this prospective study, we included 13 cases of RPA and 30 cases of DBR with a follow-up period of 6 months, 12 months and 24 months. We clinically compared the preoperative and postoperative range of motion, Knee Society Score (KSS), Visual Analog Scale (VAS), Lysholm score, Tegner activity score, Short Form Health Survey (SF-36), thigh and calf circumference and anterior translation (Using the KT-1000 knee arthrometer)...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28602934/biomechanical-factors-associated-with-pain-and-symptoms-following-anterior-cruciate-ligament-injury-and-reconstruction
#15
Aisia Azus, Hsiang-Ling Teng, Lauren Tufts, Daniel Wu, C Benjamin Ma, Richard B Souza, Xiaojuan Li
BACKGROUND: Few studies have investigated the associations between patient-reported outcome and gait in patients with anterior cruciate ligament (ACL) injury and reconstruction over time. Because there is an association between ACL rupture and the presence of osteoarthritis later in life, a better understanding of these relationships will help to elucidate how patients' gait pattern may affect pain and symptoms, potentially leading to better treatment for or preventing the development of knee OA...
June 8, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28599980/generalized-hypermobility-knee-hyperextension-and-outcomes-after-anterior-cruciate-ligament-reconstruction-prospective-case-control-study-with-mean-6%C3%A2-years-follow-up
#16
Christopher M Larson, Asheesh Bedi, Mark E Dietrich, Jennifer C Swaringen, Corey A Wulf, David M Rowley, M Russell Giveans
PURPOSE: To determine whether generalized hypermobility and contralateral knee hyperextension affect failure rates and patient-related outcomes after anterior cruciate ligament reconstruction (ACLR). METHODS: A total of 226 consecutive patients presenting with acute ACL tears were prospectively evaluated for generalized hypermobility by a modified Beighton criteria. Minimum 2-year follow-up was achieved for 183 knees (81%). Patients underwent ACLR with either bone-patellar-tendon (BPTB) autograft (n = 46), quadrupled hamstring (HT) autograft (n = 85), or allograft tissue (n = 52)...
June 6, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28574418/clinical-study-on-the-arthroscopic-refreshing-treatment-of-anterior-cruciate-ligament-injury-combined-with-stable-medial-meniscus-ramp-injury
#17
J Yang, K Guan, J Z Wang
This study sought to investigate the clinical efficacy of arthroscopic refreshing treatment of anterior cruciate ligament (ACL) injury combined with stable medial meniscus ramp injury. Sixty-eight patients treated between January 2010 and January 2014 were included, and their clinical data were retrospectively analyzed. All patients, after being treated using ACL reconstruction, were divided into 2 groups according to meniscus injury treatment method. The observation group (31 cases) was treated by arthroscopic refreshing, which removed the tissue on both sides of the tear edge using a cutting knife, while the control group (37 cases) was treated using Fast-fix sutures...
June 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/28562674/how-does-functionality-proceed-in-acl-reconstructed-subjects-proceeding-of-functional-performance-from-pre-to-six-months-post-acl-reconstruction
#18
Frieder Cornelius Krafft, Bernd Josef Stetter, Thorsten Stein, Andree Ellermann, Johannes Flechtenmacher, Christian Eberle, Stefan Sell, Wolfgang Potthast
This is the first study examining functionality of subjects with anterior cruciate ligament (ACL) tears and a subsequent reconstruction comprehensively by multiple test sessions from pre- to six months post-reconstruction. The purpose was to evaluate if a generally applied rehabilitation program restores functionality to levels of healthy controls. Subjects with unilateral tears of the ACL were compared to matched healthy controls throughout the rehabilitation. 20 recreational athletes were tested: T1 (preoperative), 6 weeks after tear; T2, 6 weeks, T3, 3 months, T4, 6 months post-reconstruction...
2017: PloS One
https://www.readbyqxmd.com/read/28560142/minimally-invasive-anterolateral-ligament-reconstruction-of-the-knee
#19
Patrick A Smith, Jordan A Bley
Anterior cruciate ligament (ACL) tears are among the most common knee injuries, and multiple reconstructive techniques have been described. However, studies frequently report an inability to duplicate native, dynamic knee function, particularly rotationally. This residual joint laxity that occasionally follows an ACL reconstruction can cause further problems post surgical intervention, including meniscal tears and especially late osteoarthritic change. Additionally, ACL graft retears are a concern, particularly in young patients...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28557557/subsequent-surgery-after-revision-anterior-cruciate-ligament-reconstruction-rates-and-risk-factors-from-a-multicenter-cohort
#20
David Y Ding, Alan L Zhang, Christina R Allen, Allen F Anderson, Daniel E Cooper, Thomas M DeBerardino, Warren R Dunn, Amanda K Haas, Laura J Huston, Brett Brick A Lantz, Barton Mann, Kurt P Spindler, Michael J Stuart, Rick W Wright, John P Albright, Annunziato Ned Amendola, Jack T Andrish, Christopher C Annunziata, Robert A Arciero, Bernard R Bach, Champ L Baker, Arthur R Bartolozzi, Keith M Baumgarten, Jeffery R Bechler, Jeffrey H Berg, Geoffrey A Bernas, Stephen F Brockmeier, Robert H Brophy, Charles A Bush-Joseph, J Brad Butler, John D Campbell, James L Carey, James E Carpenter, Brian J Cole, Jonathan M Cooper, Charles L Cox, R Alexander Creighton, Diane L Dahm, Tal S David, David C Flanigan, Robert W Frederick, Theodore J Ganley, Elizabeth A Garofoli, Charles J Gatt, Steven R Gecha, James Robert Giffin, Sharon L Hame, Jo A Hannafin, Christopher D Harner, Norman Lindsay Harris, Keith S Hechtman, Elliott B Hershman, Rudolf G Hoellrich, Timothy M Hosea, David C Johnson, Timothy S Johnson, Morgan H Jones, Christopher C Kaeding, Ganesh V Kamath, Thomas E Klootwyk, Bruce A Levy, C Benjamin Ma, G Peter Maiers, Robert G Marx, Matthew J Matava, Gregory M Mathien, David R McAllister, Eric C McCarty, Robert G McCormack, Bruce S Miller, Carl W Nissen, Daniel F O'Neill, Brett D Owens, Richard D Parker, Mark L Purnell, Arun J Ramappa, Michael A Rauh, Arthur C Rettig, Jon K Sekiya, Kevin G Shea, Orrin H Sherman, James R Slauterbeck, Matthew V Smith, Jeffrey T Spang, Steven J Svoboda, Timothy N Taft, Joachim J Tenuta, Edwin M Tingstad, Armando F Vidal, Darius G Viskontas, Richard A White, James S Williams, Michelle L Wolcott, Brian R Wolf, James J York
BACKGROUND: While revision anterior cruciate ligament reconstruction (ACLR) can be performed to restore knee stability and improve patient activity levels, outcomes after this surgery are reported to be inferior to those after primary ACLR. Further reoperations after revision ACLR can have an even more profound effect on patient satisfaction and outcomes. However, there is a current lack of information regarding the rate and risk factors for subsequent surgery after revision ACLR. PURPOSE: To report the rate of reoperations, procedures performed, and risk factors for a reoperation 2 years after revision ACLR...
July 2017: American Journal of Sports Medicine
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