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posterior cruciate reconstruction

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https://www.readbyqxmd.com/read/28712026/posterior-cruciate-ligament-is-twisted-and-flat-structure-new-prospective-on-anatomical-morphology
#1
Tomohiro Kato, Robert Śmigielski, Yunshen Ge, Urszula Zdanowicz, Bogdan Ciszek, Mitsuo Ochi
PURPOSE: This cadaveric study aimed to elucidate PCL morphology by observing the anatomical relationship with other structures and the fibre layers of the PCL in cross section for remnant preserving PCL reconstruction. METHODS: Seventeen fresh-frozen cadaveric knees were studied, using the clock-face method to analyse the anatomical relationship between the PCL and Humphrey's ligament. The width and thickness of the PCL, Humphrey's and Wrisberg's ligaments were measured...
July 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28710510/surgical-reconstruction-is-a-cost-efficient-treatment-option-for-isolated-pcl-injuries
#2
Christian Owesen, Eline Aas, Asbjørn Årøen
PURPOSE AND HYPOTHESIS: The main purpose of the study is to put focus on the costs related to treating posterior cruciate ligament (PCL) injuries and the possible implications of chosen treatment strategy to the respective institutions and society. METHODS: Costs of treating PCL injuries nonoperatively and for both single-bundle (SB) and double-bundle (DB) reconstruction were estimated. These costs were translated into equivalent quality-adjusted life years (QALY) given a threshold value of Euro (€) 70,000 per QALY...
July 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28706828/accurate-positioning-of-femoral-and-tibial-tunnels-in-single-bundle-anterior-cruciate-ligament-reconstruction-using-the-indigenously-made-bernard-and-hurtle-grid-on-a-transparency-sheet-and-c-arm
#3
Sudeep Kumar, Anup Kumar, Ravi Kumar
Many factors determine the outcome of the anterior cruciate ligament reconstruction surgery. The single most important factor, also well within the control of a surgeon, is tunnel placement. It is difficult to accurately determine the center of the anterior cruciate ligament foot print, and many a times it is also difficult to accurately define the intercondylar and bifurcate ridge. This makes determination of the accurate entry point of the guidewire difficult. We have printed our indigenously formed grid (equidistant boxes) on an old-fashioned transparency sheet...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706813/all-inside-bicruciate-ligament-reconstruction-technique-a-focus-on-graft-tensioning-sequence
#4
Mathieu Thaunat, Gilles Clowez, Colin G Murphy, Antoine Desseaux, Tales Guimaraes, Jean Marie Fayard, Bertrand Sonnery-Cottet
Bicruciate ligament (BCL) reconstructions are challenging procedures. One of the main operative goals is to stabilize the knee in the correct anterior-posterior position. We present an all-inside arthroscopic BCL reconstruction technique using hamstring tendon grafts. Ipsilateral semitendinosus (ST) and gracilis tendons are used for TriLink (Arthrex, Naples, FL) double-bundle posterior cruciate ligament (PCL) reconstruction and contralateral ST tendon is used for GraftLink (Arthrex) single-bundle anterior cruciate ligament (ACL) reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28698804/the-knee-meniscus-management-of-traumatic-tears-and-degenerative-lesions
#5
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/28682908/comparison-of-autograft-and-allograft-tendons-in-posterior-cruciate-ligament-reconstruction-a-meta-analysis
#6
Peng Tian, Wen-Qing Hu, Zhi-Jun Li, Xiao-Lei Sun, Xin-Long Ma
BACKGROUND: The purpose of this meta-analysis of randomized controlled trials (RCTs) and non-RCTs was to compare the clinical outcomes of autograft versus allograft tendons in patients who underwent posterior cruciate ligament (PCL) reconstruction. METHODS: We conducted a search of PubMed, EMBASE, The Cochrane Library, and Web of Science databases for RCTs and non-RCTs comparing autograft and allograft tendons in PCL reconstruction up to August 2016. The outcomes were Lysholm knee function score, postoperative objective and subjective International Knee Documentation Committee Score (IKDCS), Tegner activity scale, and knee posterior stability...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28680891/is-the-grafted-tendon-shifted-anteriorly-in-the-femoral-tunnel-at-the-postremodeling-phase-after-anterior-cruciate-ligament-reconstruction-a-clinical-mri-study
#7
Jun Onodera, Kazunori Yasuda, Tetsuro Masuda, Yoshie Tanabe, Nobuto Kitamura, Tomonori Yagi, Eiji Kondo
BACKGROUND: Based on previous in vitro studies, it has been commonly believed that during anterior cruciate ligament (ACL) reconstruction with hamstring tendon, the grafted tendon is shifted anteriorly in the tunnel permanently after the graft is anchored to the tunnel wall. However, this has not been proven by in vivo studies. HYPOTHESIS: At 1 year after anatomic double-bundle ACL reconstruction, the grafted tendons may not be shifted anteriorly in the femoral tunnel but anchored to the bony wall at the center of the tunnel...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28669642/compound-posterior-cruciate-ligament-and-popliteal-artery-injury-due-to-dog-bite-a-case-report
#8
Yashwant Singh Tanwar, Atin Jaiswal, Hitesh Lal, Ashok Rajput
Injuries due to dog bites are a common occurrence and are mostly trivial. Severe dog bite injuries requiring hospitalization and complex reconstructive procedures are more common in children. We present the case of a five year old child with popliteal artery thrombosis and compound Posterior Cruciate ligament injury due to a dog bite. The child was managed by immediate thrombectomy, meticulous debridement and knee spanning external fixation followed by Skin Grafting. At one year post surgery range of motion was 10-110°, with no distal neurovascular deficit and no sign of instability...
June 29, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28660229/lateral-meniscus-posterior-root-and-meniscofemoral-ligaments-as-stabilizing-structures-in-the-acl-deficient-knee-a-biomechanical-study
#9
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/28646383/anterior-cruciate-ligament-graft-fixation-first-in-anterior-and-posterior-cruciate-ligament-reconstruction-best-restores-knee-kinematics
#10
Libin Zheng, Soheil Sabzevari, Brandon Marshall, Junjun Zhu, Monica A Linde, Patrick Smolinski, Freddie H Fu
PURPOSE: To evaluate the effect of different graft fixation sequences in one-stage anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) reconstruction on (1) knee biomechanics and (2) tibiofemoral alignment. METHODS: Twelve porcine knees were used in this study. Five fixation sequences were performed (angle indicating knee flexion): (a) PCL at 30° and ACL at 30°, (b) PCL at 90° and ACL at 30°, (c) ACL at 30° and PCL at 30°, (d) ACL at 30° and PCL at 90°, and (e) ACL and PCL simultaneous fixation at 30°...
June 23, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28636429/autograft-versus-allograft-for-posterior-cruciate-ligament-reconstruction-an-updated-systematic-review-and-meta-analysis
#11
John W Belk, Matthew J Kraeutler, Justin M Purcell, Eric C McCarty
BACKGROUND: Multiple studies have demonstrated a higher risk of graft failure after anterior cruciate ligament reconstruction with allograft, but limited data are available comparing outcomes of posterior cruciate ligament reconstruction (PCLR) with autograft versus allograft. PURPOSE: To compare the clinical outcomes of autograft versus allograft for primary PCLR. STUDY DESIGN: Systematic review. METHODS: A systematic review was performed by searching PubMed, the Cochrane Library, and EMBASE to locate studies (level of evidence I-III) comparing clinical outcomes of autograft versus allograft in patients undergoing primary PCLR with the conventional transtibial technique...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28594528/international-perspective-on-revision-anterior-cruciate-ligament-reconstruction-what-have-we-been-missing
#12
Mohammad Humza Ansari, Steven Claes, Daniel C Wascher, Philippe Neyret, Michael J Stuart, Aaron J Krych
Primary anterior cruciate ligament (ACL) reconstruction is a common orthopaedic procedure. A graft failure rate of 5% to 10% after primary ACL reconstruction has resulted in an increased need for revision ACL reconstruction. ACL reconstruction failure etiologies include trauma, technical errors, and biologic factors. Based on the current literature, the outcomes of revision ACL reconstruction are clearly inferior compared with those of primary reconstruction. A thorough patient evaluation, including surgical history, a physical examination, and imaging studies, is crucial in the assessment of a failed ACL reconstruction...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28583062/multiple-ligament-reconstruction-for-absent-cruciate-and-a-congenital-short-femur-case-report-and-review-of-the-literature
#13
Daniel Kaplan, Taylor Jazrawi, Jason Capo, Eric Strauss
Congenital short femur syndrome is a rare condition affecting about 0.017 of every 1,000 births. Patients frequently have ligamentous abnormalities, most frequently aplastic or hypoplastic cruciate ligaments. Advances in limb lengthening procedures have increased movement expectations for these patients, thus necessitating surgical treatment for their ligamentous abnormalities. An individual case is presented, including history, physical exam, and imaging demonstrating both the short femur and absent cruciate ligaments...
April 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28582784/tibial-onlay-posterior-cruciate-ligament-reconstruction-surgical-technique-and-results
#14
Rodrigo Salim, Felipe Marques do Nascimento, Aline Miranda Ferreira, Luciano Fonseca Lemos de Oliveira, Fabricio Fogagnolo, Mauricio Kfuri
No abstract text is available yet for this article.
June 5, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28580257/posterior-surgical-approach-to-the-knee
#15
Scott C Faucett, James Gannon, Jorge Chahla, Marcio B Ferrari, Robert F LaPrade
Posterior knee approaches are reliable techniques to address the treatment of various pathologies of the posterior region of the knee, including Baker cyst excision, tibial plateau fracture fixation, posterior cruciate ligament avulsions and inlay reconstructions, femoral condyle cartilage procedures, posterior meniscal repair and loose body removal among others. Surgery in the posterior knee region can be challenging because of the presence of neurovascular structures including the tibial nerve, popliteal artery and vein, and common peroneal nerve; thus, it is less commonly performed...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28580251/multiligament-reconstruction-of-the-knee-in-the-setting-of-knee-dislocation-with-a-medial-sided-injury
#16
Marcio B Ferrari, Jorge Chahla, Justin J Mitchell, Gilbert Moatshe, Jacob D Mikula, Daniel Cole Marchetti, Robert F LaPrade
Multiple ligament knee injuries are complex pathologies that often result from traumatic knee dislocations. Both a high level of suspicion and a thorough clinical and radiographic examination are mandatory to diagnose and identify all injured structures. Reconstruction of all injured ligaments is recommended to aid in early mobilization and to avoid joint stiffness or graft failure. For knee dislocations involving injury to the anterior cruciate ligament, posterior cruciate ligament, and medial-sided structures, a repair and augmentation of the medial collateral ligament, together with an anatomic reconstruction of the anterior cruciate ligament and double-bundle posterior cruciate ligament, is recommended...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28567428/acl-roof-impingement-revisited-does-the-independent-femoral-drilling-technique-avoid-roof-impingement-with-anteriorly-placed-tibial-tunnels
#17
John A Tanksley, Brian C Werner, Evan J Conte, David P Lustenberger, M Tyrrell Burrus, Stephen F Brockmeier, F Winston Gwathmey, Mark D Miller
BACKGROUND: Anatomic femoral tunnel placement for single-bundle anterior cruciate ligament (ACL) reconstruction is now well accepted. The ideal location for the tibial tunnel has not been studied extensively, although some biomechanical and clinical studies suggest that placement of the tibial tunnel in the anterior part of the ACL tibial attachment site may be desirable. However, the concern for intercondylar roof impingement has tempered enthusiasm for anterior tibial tunnel placement...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28567427/medial-collateral-ligament-reconstruction-in-patients-with-medial-knee-instability-a-systematic-review
#18
REVIEW
Antonios N Varelas, Brandon J Erickson, Gregory L Cvetanovich, Bernard R Bach
BACKGROUND: The medial collateral ligament (MCL) is the most frequently injured ligament of the knee, but it infrequently requires surgical treatment. Current literature on MCL reconstructions is sparse and offers mixed outcome measures. PURPOSE/HYPOTHESIS: The purpose of this study was to compare the outcomes of isolated MCL reconstruction and multiligamentous MCL reconstruction. Our hypothesis was that in selective patients, MCL reconstruction would significantly improve objective and subjective patient knee performance measures, those being baseline valgus laxity, range of motion, objective and subjective International Knee Documentation Committee (IKDC) scores, Tegner score, and Lysholm knee activity scores...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28567341/technical-note-anterior-cruciate-ligament-reconstruction-in-the-presence-of-an-intramedullary-femoral-nail-using-anteromedial-drilling
#19
Matthew Lacey, Joseph Lamplot, Kempland C Walley, Joseph P DeAngelis, Arun J Ramappa
AIM: To describe an approach to anterior cruciate ligament (ACL) reconstruction using autologous hamstring by drilling via the anteromedial portal in the presence of an intramedullary (IM) femoral nail. METHODS: Once preoperative imagining has characterized the proposed location of the femoral tunnel preparations are made to remove all of the hardware (locking bolts and IM nail). A diagnostic arthroscopy is performed in the usual fashion addressing all intra-articular pathology...
May 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28566780/radiologic-assessment-of-femoral-and-tibial-tunnel-placement-based-on-anatomic-landmarks-in-arthroscopic-single-bundle-anterior-cruciate-ligament-reconstruction
#20
Sandeep Kumar Nema, Gopisankar Balaji, Sujiv Akkilagunta, Jagdish Menon, Murali Poduval, Dilip Patro
BACKGROUND: Accurate tibial and femoral tunnel placement has a significant effect on outcomes after anterior cruciate ligament reconstruction (ACLR). Postoperative radiographs provide a reliable and valid way for the assessment of anatomical tunnel placement after ACLR. The aim of this study was to examine the radiographic location of tibial and femoral tunnels in patients who underwent arthroscopic ACLR using anatomic landmarks. Patients who underwent arthroscopic ACLR from January 2014 to March 2016 were included in this retrospective cohort study...
May 2017: Indian Journal of Orthopaedics
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