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Posterior ligament reconstruction

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https://www.readbyqxmd.com/read/28511868/tunnel-malpositions-in-anterior-cruciate-ligament-risk-cartilaginous-changes-and-bucket-handle-meniscal-tear-arthroscopic-survey-in-both-primary-and-revision-surgery
#1
Daisuke Chiba, Eiichi Tsuda, Harehiko Tsukada, Kohei Iio, Yasuyuki Ishibashi
OBJECTIVES: There are not many chances to arthroscopically reassess how graft tunnel malpositions in primary anterior cruciate ligament reconstruction (ACLR) associate with intra-articular degeneration in revision ACLR. This study was aimed to evaluate whether radiographic tunnel position in primary ACLR affect cartilaginous changes and bucket-handle meniscus tears in revision ACLR. METHODS: Thirty-five patients who underwent revision ACLR were recruited; their primary surgeries were single-bundle reconstructions...
May 13, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28511363/solving-the-mystery-of-the-antero-lateral-ligament
#2
P H Sonia Farhan, Rathi Sudhakaran, Jai Thilak
INTRODUCTION: The cruciate ligaments are essential for the antero-posterior stability of the knee joint. In Anterior Cruciate Ligament (ACL) rupture, though reconstructive surgery is a widely accepted and proven procedure, there is still an unacceptably high re-injury rate. The fact that the rotational instability persists even after the surgical reconstruction of ACL injury has evoked a new interest in the study of the soft tissue structures on the anterolateral aspect of the knee joint...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28507781/isolated-posterior-cruciate-ligament-tears-an-update-of-management
#3
REVIEW
Alfonso Vaquero-Picado, E Carlos Rodríguez-Merchán
Isolated posterior cruciate ligament (PCL) tears are much less frequent than anterior cruciate ligament (ACL) tears.Abrupt posterior tibial translation (such as dashboard impact), falls in hyperflexion and direct hyperextension trauma are the most frequent mechanisms of production.The anterolateral bundle represents two-thirds of PCL mass and is reconstructed in single-bundle techniques.The PCL has an intrinsic capability for healing. This is the reason why, nowadays, the majority of isolated PCL tears are managed non-operatively, with rehabilitation and bracing...
April 2017: EFORT Open Rev
https://www.readbyqxmd.com/read/28502387/anterolateral-ligament-reconstruction-techniques-biomechanics-and-clinical-outcomes-a-systematic-review
#4
REVIEW
Nicholas N DePhillipo, Mark E Cinque, Jorge Chahla, Andrew G Geeslin, Robert F LaPrade
PURPOSE: To perform a systematic review of the described anterolateral ligament (ALL) reconstruction techniques, biomechanical performance, and clinical outcomes of ALL reconstruction in the setting of concurrent anterior cruciate ligament (ACL) reconstruction. METHODS: A systematic review was performed according to PRISMA guidelines using the Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, MEDLINE, and Embase, from 1980 to present...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28500391/anterior-referencing-of-tibial-slope-in-total-knee-arthroplasty-considerably-influences-knee-kinematics-a-musculoskeletal-simulation-study
#5
Marco A Marra, Marta Strzelczak, Petra J C Heesterbeek, Sebastiaan A W van de Groes, Dennis W Janssen, Bart F J M Koopman, Ate B Wymenga, Nico J J Verdonschot
PURPOSE: In total knee arthroplasty (TKA), the posterior tibial slope is not always reconstructed correctly, and the knee ligaments may become too tight in flexion. To release a tight flexion gap, surgeons can increase the posterior tibial slope using two surgical resection techniques: the anterior tibial cortex (ACR) or the centre of tibial plateau (CPR) referencing. It is not known how this choice affects the knee laxity and function during activities of daily living. The aim of this study was to investigate the effect of tibial slope on knee laxity, kinematics and forces during a squatting activity using computer simulation techniques...
May 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28484908/in-out-versus-out-in-technique-for-acl-reconstruction-a-prospective-clinical-and-radiological-comparison
#6
Edoardo Monaco, Mattia Fabbri, Andrea Redler, Raffaele Iorio, Jacopo Conteduca, Giuseppe Argento, Andrea Ferretti
BACKGROUND: Several studies have recently shown better restoration of normal knee kinematics and improvement of rotator knee stability after reconstruction with higher femoral tunnel obliquity. The aim of this study is to evaluate tunnel obliquity, length, and posterior wall blowout in single-bundle anterior cruciate ligament (ACL) reconstruction, comparing the transtibial (TT) technique and the out-in (OI) technique. MATERIALS AND METHODS: Forty consecutive patients operated on for ACL reconstruction with hamstrings were randomly divided into two groups: group A underwent a TT technique, while group B underwent an OI technique...
May 8, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28484790/lateral-meniscus-posterior-root-tear-contributes-to-anterolateral-rotational-instability-and-meniscus-extrusion-in-anterior-cruciate-ligament-injured-patients
#7
Takao Minami, Takeshi Muneta, Ichiro Sekiya, Toshifumi Watanabe, Tomoyuki Mochizuki, Masafumi Horie, Hiroki Katagiri, Koji Otabe, Toshiyuki Ohara, Mai Katakura, Hideyuki Koga
PURPOSE: The purposes of this study were to investigate (1) meniscus status and clinical findings in anterior cruciate ligament (ACL)-injured patients to clarify associations between the meniscus posterior root tear (PRT) and knee instability, and (2) magnetic resonance imaging (MRI) findings of the PRT to clarify sensitivity and specificity of MRI and prevalence of meniscus extrusion. METHODS: Three hundred and seventeen patients with primary ACL reconstruction were included...
May 8, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28479128/arthroscopic-treatment-of-symptomatic-calcific-periarthritis-on-the-medial-side-of-the-knee-after-posterior-cruciate-ligament-reconstruction-case-report-and-literature-review
#8
Eui-Chan Jang, Han-Jun Lee, Seong Hwan Kim, Yoon-Ho Kwak
Calcific periarthritis in the distal femur is a rare condition. Forty two year old Asian male visited to the outpatient clinic of orthopedic department with acute excruciating knee pain. The arthroscopic posterior cruciate ligament (PCL) reconstruction was performed 20 years ago with the bonepatellar tendon-bone (BPTB) autograft combined with Trevira (polyethylene terephthalate) artificial ligament. Severe tenderness was noted incidentally over the medial epicondyle area of the distal femur which the cancellous screw was inserted for PCL reconstruction, without any preceding trauma history or medial joint line tenderness due to degenerative change...
May 4, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28473957/syndesmotic-internalbrace-tm-for-anatomic-distal-tibiofibular-ligament-augmentation
#9
Markus Regauer, Gordon Mackay, Mirjam Lange, Christian Kammerlander, Wolfgang Böcker
Reconstruction of unstable syndesmotic injuries is not trivial, and there is no generally accepted treatment guidelines. Thus, there still remain considerable controversies regarding diagnosis, classification and treatment of syndesmotic injuries. Syndesmotic malreduction is the most common indication for early re-operation after ankle fracture surgery, and widening of the ankle mortise by only 1 mm decreases the contact area of the tibiotalar joint by 42%. Outcome of ankle fractures with syndesmosis injury is worse than without, even after surgical syndesmotic stabilization...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28461924/lateral-collateral-ligament-injuries-of-the-elbow-chronic-posterolateral-rotatory-instability-plri
#10
REVIEW
Megan Conti Mica, Pieter Caekebeke, Roger van Riet
Chronic posterolateral rotatory instability (PLRI) is the most common form of chronic elbow instability.PLRI usually occurs from a fall on the outstretched hand. On impact, the radial head and ulna rotate externally coupled with valgus displacement of the forearm. This leads to posterior displacement of the radial head relative to the capitellum, thus causing disruption of some or all of the lateral-sided stabilisers.PLRI is mainly a clinical diagnosis with a history of instability, clicking and lateral-sided pain, with a positive clinical examination including the pivot-shift test, push-up, chair and tabletop test...
December 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28451615/outcomes-after-posterior-cruciate-ligament-pcl-reconstruction-in-patients-with-isolated-and-combined-pcl-tears
#11
Bjarne Mygind-Klavsen, Torsten Grønbech Nielsen, Martin Carøe Lind
BACKGROUND: Posterior cruciate ligament (PCL) reconstructions are rarely performed compared with that for the anterior cruciate ligament (ACL). PURPOSE: To evaluate the clinical and functional outcome after isolated or multiligament PCL reconstruction. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Patients who underwent PCL reconstruction between 2002 and 2010 were included. Standardized follow-up was performed between 2012 and 2013 and consisted of subjective scores (Tegner activity score, Knee injury and Osteoarthritis Outcome Score [KOOS], and subjective International Knee Documentation Committee [IKDC] score) and objective measures, including knee laxity (KT-1000), extension strength, and overall IKDC score...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28451605/the-impact-of-osseous-malalignment-and-realignment-procedures-in-knee-ligament-surgery-a-systematic-review-of-the-clinical-evidence
#12
REVIEW
Thomas Tischer, Jochen Paul, Dietrich Pape, Michael T Hirschmann, Andreas B Imhoff, Stefan Hinterwimmer, Matthias J Feucht
BACKGROUND: Failure rates of knee ligament surgery may be high, and the impact of osseous alignment on surgical outcome remains controversial. Basic science studies have demonstrated that osseous malalignment can negatively affect ligament strain and that realignment procedures may improve knee joint stability. HYPOTHESIS/PURPOSE: The purpose of this review was to summarize the clinical evidence concerning the impact of osseous malalignment and realignment procedures in knee ligament surgery...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28447141/the-iliotibial-band-and-anterolateral-capsule-have-a-combined-attachment-to-the-segond-fracture
#13
Marcio Albers, Humza Shaikh, Elmar Herbst, Kentaro Onishi, Kanto Nagai, Volker Musahl, Freddie H Fu
The purpose of this report was to describe the injury mechanism, surgical findings, and outcomes in a 21-year-old professional female football player who presented with a complete anterior cruciate ligament (ACL) rupture and Segond fracture. Interview and video analysis were performed to elicit the injury mechanism. Clinical examination and imaging revealed a complete ACL tear, Segond fracture, lateral meniscus tear, MCL sprain, and posterolateral corner sprain. Examination under anaesthesia revealed Grade 2 pivot shift and varus/valgus instability...
April 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28434698/influence-of-component-rotation-in-total-knee-arthroplasty-on-tibiofemoral-kinematics-a-cadaveric-investigation
#14
Guenther Maderbacher, Armin Keshmiri, Hans R Springorum, Hermann Maderbacher, Joachim Grifka, Clemens Baier
BACKGROUND: Physiological tibiofemoral kinematics have been shown to be important for good knee function after total knee arthroplasty (TKA). The purpose of the present study was to investigate the influence of component rotation on tibiofemoral kinematics during knee flexion. We asked which axial component alignment best reconstructs physiological tibiofemoral kinematics and which combinations should be avoided. METHODS: Ten healthy cadaveric knees were examined...
April 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28434037/open-capsular-and-ligament-reconstruction-with-semitendinosus-hamstring-autograft-successfully-controls-superior-and-posterior-translation-for-type-v-acromioclavicular-joint-dislocation
#15
Raffaele Garofalo, Enrico Ceccarelli, Alessandro Castagna, Vittorio Calvisi, Brody Flanagin, Marco Conti, Sumant G Krishnan
PURPOSE: Appropriate surgical management for type V complete acromioclavicular (AC) joint dislocation remains controversial. The purpose of this paper is to retrospectively report the clinical and radiographic outcomes of an open surgical technique consisting for AC joint ligamentous and capsular reconstruction using autologous hamstring tendon grafts and semi-permanent sutures. METHODS: Between January 2005 and December 2011, 32 consecutive patients with symptomatic type V complete AC joint dislocation underwent surgical treatment using the same technique...
April 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28434036/acromion-morphology-and-bone-mineral-density-distribution-suggest-favorable-fixation-points-for-anatomic-acromioclavicular-reconstruction
#16
Andreas Voss, Felix Dyrna, Andrea Achtnich, Alex Hoberman, Elifho Obopilwe, Andreas B Imhoff, Augustus D Mazzocca, Knut Beitzel
PURPOSE: Recent techniques for acromioclavicular (AC) joint reconstruction focus on additional AC cerclage to coracoclavicular (CC)-reconstructions. Due to the specific slim bone morphology at the acromion, there are concerns regarding these additional bone tunnels, as they may predispose to fracture and break out. The purpose of this study was to investigate anatomic properties of the acromion which may help improve surgical techniques directed at injuries to the AC joint. It was hypothesized that via measurements of thickness and density points of increased strength and support could be identified on the acromion...
April 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28430526/the-bow-tie-shape-of-the-anterior-cruciate-ligament-as-visualized-by-high-resolution-magnetic-resonance-imaging
#17
Kang Min Sohn, Min Jin Lee, Helen Hong, Young Cheol Yoon, Chan Deok Park, Joon Ho Wang
BACKGROUND: Although numerous studies have examined the anatomic characteristics of the anterior cruciate ligament (ACL), its actual shape remains unclear. PURPOSE: To determine the average shape of the ACL by analyzing its cross section through the use of high-resolution magnetic resonance imaging (MRI) data. STUDY DESIGN: Descriptive laboratory study. METHODS: The study included 96 MRIs, conducted using a 3.0-T magnet, to analyze the shape of the ACL...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28409139/double-bundle-pcl-reconstruction-using-autologous-hamstring-tendons-outcome-with-a-minimum-2-year-follow-up
#18
Ricardo de Paula Leite Cury, Rômulo Neves Castro Filho, Daniel Akira Sadatsune, Davi Ribeiro do Prado, Ricardo José Peruzzo Gonçalves, Marcos Barbieri Mestriner
OBJECTIVE: To present the outcomes of posterior cruciate ligament (PCL) double-bundle reconstruction using autologous hamstring tendons, with a minimum follow-up of two years. METHODS: Evaluation of 16 cases of PCL injury that underwent double-bundle reconstruction with autogenous hamstring tendons, between 2011 and 2013. The final sample consisted of 16 patients, 15 men and one woman, with a mean age of 31 years (21-49). The predominant mechanism was motorcycle accident in half of the cases...
March 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28409107/a-transosseous-bone-bridge-repair-for-posterior-horn-meniscal-root-tears-during-anterior-cruciate-ligament-reconstruction
#19
Jonathan M Frank, Daniel J Liechti, Jack Anavian, Thomas R Hackett
Meniscal root tears occur in isolation or concurrently with ligamentous knee injury and cause significantly altered knee mechanics with the loss of normal meniscus hoop stress. This loss of normal meniscus function can result in abnormal knee kinematics and, subsequently, more rapid degenerative changes of the knee articular surface. In the setting of anterior cruciate ligament tear, the posterolateral meniscus root is most commonly damaged. Several techniques exist for meniscus root repair; however, none have been shown to be clearly superior...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28409105/anatomic-single-bundle-anterior-cruciate-ligament-reconstruction-using-the-modified-transtibial-technique
#20
Dhong Won Lee, Jin Goo Kim
We present a technique for anterior cruciate ligament (ACL) reconstruction using hamstring tendon autograft with a modified transtibial technique. Our modified transtibial technique has the advantages of the conventional transtibial technique that is familiar to surgeons and that allows the press-fit fixing and enables us to make a relatively long femoral tunnel. To make the femoral tunnel at the anatomic position, the triangular, funnel-shaped bony trough was made to slip the eccentrically positioned guide pin into the anticipated anatomic center with a free-hand technique after marking the anatomic ACL footprint using a microfracture awl through the anteromedial portal...
February 2017: Arthroscopy Techniques
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