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ACL Repair

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https://www.readbyqxmd.com/read/29227559/magnetic-resonance-measurements-of-tissue-quantity-and-quality-using-t2-relaxometry-predict-temporal-changes-in-the-biomechanical-properties-of-the-healing-acl
#1
Jillian E Beveridge, Jason T Machan, Edward G Walsh, Ata M Kiapour, N Padmini Karamchedu, Kaitlyn E Chin, Benedikt L Proffen, Jakob T Sieker, Martha M Murray, Braden C Fleming
The purpose of this study was to develop a magnetic resonance T2 * relaxometry-based multiple linear regression model to predict the structural properties of the healing anterior cruciate ligament (ACL) over a 24-week healing period following ACL repair in Yucatan minipigs. Two hypotheses were tested: (1) that a regression model based on ACL sub-volumes containing short and long T2 * relaxation times would outperform a competing model based on sub-volumes of short T2 * relaxation times only; and (2) that an optimized regression model would be capable of predicting ACL structural properties between 6 and 24 weeks post-repair...
December 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29181251/lower-extremity-kinematics-of-acl-repaired-and-non-injured-females-when-using-knee-savers%C3%A2
#2
Whitley J Stone, Scott W Arnett, Donald L Hoover
Background: Knee Savers® (KS) are an ergonomic aid purported to lessen the risk of injuries linked to deep squats. While widely used in sports such as baseball and softball, KS have not been tested to determine their effect upon lower extremity kinematics in any population. Purpose: The purpose of the study was to determine if KS influenced the lower extremity kinematics when females with previous anterior cruciate ligament (ACL)-reconstruction and healthy participants completed an end-range squat...
October 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29162378/arthroscopic-medial-meniscal-repair-with-or-without-concurrent-anterior-cruciate-ligament-reconstruction-a-subgroup-analysis
#3
Erdal Uzun, Abdulhamit Misir, Turan Bilge Kizkapan, Mustafa Ozcamdalli, Soner Akkurt, Ahmet Guney
BACKGROUND: There are few large-scale, long-term studies comparing medial meniscal repairs with or without concurrent anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 140 patients who underwent arthroscopic medial meniscal repair were divided into two groups: Group A, meniscus repair only and Group B, meniscus repair with concurrent ACL reconstruction. Clinical assessments in- cluded physical examination findings, Lysholm score, and the International Knee Documentation Committee (IKDC) form...
November 18, 2017: Knee
https://www.readbyqxmd.com/read/29149846/the-impact-of-bone-morphology-on-the-outcome-of-the-pivot-shift-test-a-cohort-study
#4
Thomas Branch, Shaun Stinton, Adrija Sharma, Frederic Lavoie, Christian Guier, Philippe Neyret
BACKGROUND: The presence of a positive pivot shift after surgical repair of the ACL is considered an important indicator of a failed reconstruction. The ability to predict the result of a pivot shift test after an ACL reconstruction using variables that can be measured prior to surgery could provide an indication of which patients may be at-risk of a poor surgical outcome.The purpose of this study was to determine whether structural characteristics of the femur and tibia, measured using plain radiographs, were associated with the result of the pivot shift test in unilateral ACL reconstructed patients...
November 17, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29134251/meniscal-repair-results-in-inferior-short-term-outcomes-compared-with-meniscal-resection-a-cohort-study-of-6398-patients-with-primary-anterior-cruciate-ligament-reconstruction
#5
Eleonor Svantesson, Riccardo Cristiani, Eric Hamrin Senorski, Magnus Forssblad, Kristian Samuelsson, Anders Stålman
PURPOSE: To compare patient reported outcome measures (PROMs) during the first postoperative year between isolated anterior cruciate ligament (ACL) reconstruction and ACL reconstruction with concomitant meniscal intervention. METHODS: Patients who underwent primary ACL reconstruction at Capio Artro Clinic, Stockholm, Sweden, between 1st Jan 2001 and 31st Dec 2014 without concomitant injuries others than meniscal and/or cartilage lesions were included. Five groups of meniscal treatment simultaneously to ACL reconstruction were established; medial meniscal (MM) resection, MM repair, lateral meniscal (LM) resection, LM repair, and MM + LM resection...
November 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29132386/primary-single-suture-anchor-re-fixation-of-anterior-cruciate-ligament-proximal-avulsion-tears-leads-to-good-functional-mid-term-results-a-preliminary-study-in-12-patients
#6
Christof Hoffmann, Jan Friederichs, Christian von Rüden, Christian Schaller, Volker Bühren, Christoph Moessmer
BACKGROUND: Current studies demonstrate encouraging short-term results after primary anterior cruciate ligament (ACL) suture anchor repair. However, earlier studies reported deterioration of knee function at 5-year follow-up following good clinical short-term recovery. Therefore, the aim of this study was to evaluate clinical long-term results after primary ACL repair at a minimum 5-year follow-up. METHODS: In a retrospective study, 13 patients were included between 2009 and 2012...
November 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29124289/peak-stresses-shift-from-femoral-tunnel-aperture-to-tibial-tunnel-aperture-in-lateral-tibial-tunnel-acl-reconstructions-a-3d-graft-bending-angle-measurement-and-finite-element-analysis
#7
Hans Van Der Bracht, Thomas Tampere, Pieter Beekman, Alexander Schepens, Wouter Devriendt, Peter Verdonk, Jan Victor
PURPOSE: To investigate the effect of tibial tunnel orientation on graft-bending angle and stress distribution in the ACL graft. METHODS: Eight cadaveric knees were scanned in extension, 45°, 90°, and full flexion. 3D reconstructions with anatomically placed anterior cruciate ligament (ACL) grafts were constructed with Mimics 14.12(®). 3D graft-bending angles were measured for classic medial tibial tunnels (MTT) and lateral tibial tunnels (LTT) with different drill-guide angles (DGA) (45°, 55°, 65°, and 75°)...
November 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29106758/transcriptomic-analysis-of-synovial-extracellular-rna-following-knee-trauma-a-pilot-study
#8
Anthony J Griswold, Jose Perez, Karen Nuytemans, Thomas Strong, Liyong Wang, Danica D Vance, Hayley Ennis, Marvin K Smith, Thomas M Best, Jeffery M Vance, Margaret A Pericak-Vance, Lee D Kaplan
Traumatic knee injuries often result in damage to articular cartilage and other joint structures. Such trauma is a strong risk factor for the future development and progression of osteoarthritis (OA). The molecular mechanisms and signaling pathways modulating response to knee joint trauma remain unclear. Moreover, investigations of biomarkers influencing responses have been targeted rather than broad, unbiased discovery studies. Herein we characterize the complete complement of extracellular RNA (exRNA) in the synovial fluid of 14 subjects following knee injury...
November 6, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29051899/surgical-treatment-of-segond-fractures-in-acute-anterior-cruciate-ligament-reconstruction
#9
Andrea Ferretti, Edoardo Monaco, Megan Rianne Wolf, Matteo Guzzini, Angelo De Carli, Daniele Mazza
BACKGROUND: The Segond fracture is an avulsion-type fracture located on the anterolateral aspect of the tibia associated with a ligament recently termed the anterolateral ligament. This injury has been described as pathognomonic for an anterior cruciate ligament (ACL) tear and is associated with a higher grade pivot shift. PURPOSE: To present and report 2-year clinical outcomes of a surgical technique for acute ACL reconstruction with fixation of a concomitant Segond fracture...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29051896/outcomes-and-complication-rates-after-primary-anterior-cruciate-ligament-reconstruction-are-similar-in-younger-and-older-patients
#10
Mark E Cinque, Jorge Chahla, Gilbert Moatshe, Nicholas N DePhillipo, Nicholas I Kennedy, Jonathan A Godin, Robert F LaPrade
BACKGROUND: Until recently, anterior cruciate ligament (ACL) tears in older patients were treated conservatively; however, these patients often experienced significant pain and instability. PURPOSE/HYPOTHESIS: The purpose of this study was to compare the patient-reported outcomes, patient satisfaction, and failure rates of primary ACL reconstruction between a younger (age 20-30 years) and older (age 50-75 years) patient cohort. It was hypothesized that patients in the older cohort could achieve comparable clinical outcomes and retear rates following ACL reconstruction with a bone-tendon-bone autograft or allograft compared with the younger patients...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29051869/case-of-acute-concomitant-rupture-of-anterior-cruciate-ligament-and-patellar-tendon-of-knee-surgical-decision-making-and-outcome
#11
Jithin Orville Lobo, Joe Joseph Cherian, Arnav Sahu
INTRODUCTION: Acute concomitant rupture of both anterior cruciate ligament (ACL) and patellar tendon is a rare injury. The diagnosis of either of the injuries may be missed on clinical examination in the emergency room. A high index of suspicion is necessary when active extension is absent, and necessary investigations like ultrasound or magnetic resonance imaging (MRI) should be done to confirm the diagnosis. There are no fixed treatment protocols in these injuries. The options include immediate repair of patellar tendon with either simultaneous or delayed reconstruction of ACL...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28990574/an-evidence-based-evaluation-on-the-use-of-platelet-rich-plasma-in-orthopedics-a-review-of-the-literature
#12
Nasir Hussain, Herman Johal, Mohit Bhandari
Within orthopedics, the use of platelet-rich plasma (PRP) has been rapidly increasing in popularity, however, its true effectiveness has yet to be fully established. Several studies find that injecting PRP to the site of injury does not provide any significant benefit with respect to clinical outcomes; however, many others report the contrary. Due to the conflicting evidence and multiple meta-analyses conducted on the topic, a literature review of high-quality evidence on the use of PRP for common orthopaedic conditions was performed...
2017: SICOT-J
https://www.readbyqxmd.com/read/28989265/technical-considerations-in-revision-anterior-cruciate-ligament-acl-reconstruction-for-operative-techniques-in-orthopaedics
#13
Jeremy M Burnham, Elmar Herbst, Thierry Pauyo, Thomas Pfeiffer, Darren L Johnson, Freddie H Fu, Volker Musahl
As the incidence of anterior cruciate ligament (ACL) reconstruction continues to increase, the rate of revision surgery continues to climb. Revision surgery has inherent challenges that must be addressed in order to achieve successful results. The cause of the primary ACL reconstruction failure should be determined, and careful preoperative planning should be performed to address the cause(s) of failure. Each patient undergoing revision surgery should undergo a thorough history and physical examination, receive full length alignment radiographs, lateral radiographs, 45-degree flexion weight-bearing postero-anterior radiographs, and patellofemoral radiographs...
March 2017: Operative Techniques in Orthopaedics
https://www.readbyqxmd.com/read/28967542/current-evidence-of-adult-stem-cells-to-enhance-anterior-cruciate-ligament-treatment-a-systematic-review-of-animal-trials
#14
REVIEW
Ruipeng Guo, Liang Gao, Bin Xu
PURPOSE: To systematically review the available preclinical evidence of adult stem cells as a biological augmentation in the treatment of animal anterior cruciate ligament (ACL) injury. STUDY DESIGN: Systematic review. METHODS: PubMed (MEDLINE) and Embase were searched for the eligible studies. The inclusion criteria were controlled animal trials of adult stem cells used in ACL treatment (repair or reconstruction). Studies of natural ACL healing without intervention, in vitro studies, ex vivo studies, and studies without controls were excluded...
September 26, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28951882/elimination-of-the-pivot-shift-sign-after-repair-of-an-occult-anterolateral-ligament-injury-in-an-acl-deficient-knee
#15
Edoardo Monaco, Bertrand Sonnery-Cottet, Matt Daggett, Adnan Saithna, Camilo Partezani Helito, Andrea Ferretti
No abstract text is available yet for this article.
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28949245/segond-fractures-are-not-a-risk-factor-for-anterior-cruciate-ligament-reconstruction-failure
#16
Christopher L Gaunder, Tracey Bastrom, Andrew T Pennock
BACKGROUND: Segond fractures may be identified when an anterior cruciate ligament (ACL) tear is diagnosed and likely represent an avulsion of the anterolateral ligament. It is currently unclear whether these fractures can be ignored at the time of ACL reconstruction or if they should be addressed surgically. PURPOSE: To compare the incidence of Segond fractures in patients undergoing primary ACL reconstruction compared with those undergoing revision ACL reconstruction in an attempt to determine if the presence of a Segond fracture predisposes to ACL reconstruction failure...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28939961/acl-suturing-using-dynamic-intraligamentary-stabilisation-showing-good-clinical-outcome-but-a-high-reoperation-rate-a-retrospective-independent-study
#17
Martin Meister, Jonathan Koch, Felix Amsler, Markus P Arnold, Michael T Hirschmann
PURPOSE: Most of the clinical outcome studies dealing with ACL repair are from the developer's perspective. It is a fact that these developer-initiated studies tend to interpret the results rather in favour than against their developed technique or product. Hence, it was the purpose of the present independent investigator-initiated study to investigate the clinical and radiological outcomes as well as failure rate of patients who underwent an ACL suture using dynamic intraligamentary stabilisation device in a specialised independent knee clinic...
September 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28913685/-ramp-lesions-tips-and-tricks-in-diagnostics-and-therapy
#18
REVIEW
R Seil, A Hoffmann, S Scheffler, D Theisen, C Mouton, D Pape
There is an increasing biomechanical and anatomical understanding of the different types of meniscal lesions. Lesions of the posterior part of the medial meniscus in the meniscosynovial area have recently received increased attention. They generally occur in association with anterior cruciate ligament (ACL) injuries. They are often missed ("hidden lesions") due to the fact that they cannot be seen by routine anterior arthroscopic inspection. Furthermore, meniscosynovial lesions play a role in anteroposterior knee laxity and, as such, they may be a cause of failure of ACL reconstruction or of postoperative persistent laxity...
October 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28894756/relationships-between-tibiofemoral-contact-forces-and-cartilage-morphology-at-2-to-3-years-after-single-bundle-hamstring-anterior-cruciate-ligament-reconstruction-and-in-healthy-knees
#19
David John Saxby, Adam L Bryant, Xinyang Wang, Luca Modenese, Pauline Gerus, Jason M Konrath, Kim L Bennell, Karine Fortin, Tim Wrigley, Flavia M Cicuttini, Christopher J Vertullo, Julian A Feller, Tim Whitehead, Price Gallie, David G Lloyd
BACKGROUND: Prevention of knee osteoarthritis (OA) following anterior cruciate ligament (ACL) rupture and reconstruction is vital. Risk of postreconstruction knee OA is markedly increased by concurrent meniscal injury. It is unclear whether reconstruction results in normal relationships between tibiofemoral contact forces and cartilage morphology and whether meniscal injury modulates these relationships. HYPOTHESES: Since patients with isolated reconstructions (ie, without meniscal injury) are at lower risk for knee OA, we predicted that relationships between tibiofemoral contact forces and cartilage morphology would be similar to those of normal, healthy knees 2 to 3 years postreconstruction...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28893388/the-imaging-findings-of-impingement-syndromes-of-the-lower-limb
#20
REVIEW
M De Maeseneer, S Wuertzer, J de Mey, M Shahabpour
In this article we provide an overview of impingement syndromes of the lower limb. At the level of the hip, femoroacetabular and ischiofemoral impingement are recognised. At the level of the knee, we discuss Hoffa's fat pad impingement, suprapatellar fat pad impingement, pericruciate impingement, and iliotibial band syndrome. The impingement syndromes associated with anterior cruciate ligament (ACL) repair and intercondylar osteophytes are also illustrated. Most impingement syndromes are described at the level of the ankle...
September 8, 2017: Clinical Radiology
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