13,339 results match your criteria Anterior Cruciate Ligament Injury


Role of interleukin-10 in the synovial fluid of the anterior cruciate ligament injured knee.

Eur Rev Med Pharmacol Sci 2019 Feb;23(3):932-940

Orthopedic Department, San Gerardo Hospital, Monza, Italy.

Objective: This review assesses the roles of IL-10 in post ACL reconstruction OA, and highlights the potential therapeutic effects of this cytokine.

Materials And Methods: We conducted a systematic review of the literature in order to consolidate evidence of IL10 profiles in synovial fluid (SF) of patients with ACL tears. The review was conducted in accordance with the PRISMA statement. Read More

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http://dx.doi.org/10.26355/eurrev_201902_16979DOI Listing
February 2019

Only one patient out of five achieves symmetrical knee function 6 months after primary anterior cruciate ligament reconstruction.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 18. Epub 2019 Feb 18.

Department of Molecular Medicine and Surgery, Stockholm Sports Trauma Research Center, Karolinska Institutet, Stockholm, Sweden.

Purpose: To assess the percentage of patients achieving symmetrical knee function 6 months after primary anterior cruciate ligament (ACL) reconstruction (ACLR) and to identify factors affecting its achievement, in a large cohort.

Methods: Data were extracted from our clinic database. Patients who underwent primary ACLR from 2000 to 2015 and were assessed with the isokinetic quadriceps and hamstring muscles strength tests and single-leg-hop test at the 6-month follow-up were included in the study. Read More

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http://dx.doi.org/10.1007/s00167-019-05396-4DOI Listing
February 2019

Location of the Popliteal Artery in Knee Extension on Magnetic Resonance Imaging.

J Surg Orthop Adv 2018 ;27(4):325-328

Department of Orthopaedic Surgery, University of Illinois at Chicago.

The goal of this study was to define the course of the popliteal artery (PA) and determine any variability among different patient demographics; by identifying risk factors for injury, surgeons can decrease patient morbidity and mortality. Ninety-four adult magnetic resonance imaging studies of the knee were reviewed. In extension, the artery is at most 7. Read More

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January 2018

Evaluation of an accelerometer to assess knee mechanics during a drop landing.

J Biomech 2019 Feb 12. Epub 2019 Feb 12.

Department of Kinesiology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA.

Non-contact anterior cruciate ligament (ACL) injuries account for 70% of all ACL injuries, and can lead to missed time from activity for athletes and a predisposition for knee osteoarthritis. Prior research has shown that athletes who land in a stiff manner, with larger internal knee adduction and extension moments, are at greater risk for an ACL injury. A three-dimensional accelerometer placed at the tibial tuberosity may prove to be a low-cost means of assessing these risk factors. Read More

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http://dx.doi.org/10.1016/j.jbiomech.2019.01.055DOI Listing
February 2019

Mechanical and Microstructural Properties of Native Pediatric Posterior Cruciate and Collateral Ligaments.

Orthop J Sports Med 2019 Feb 4;7(2):2325967118824400. Epub 2019 Feb 4.

Biedermann Laboratory for Orthopaedic Research, Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Background: Although anterior cruciate ligament (ACL) tears have received the most attention, the medial collateral ligament (MCL) is thought to be the most commonly injured knee ligament overall. The lateral collateral ligament (LCL) and posterior collateral ligament (PCL) are less frequently compromised but can be involved in severe multiligament injuries. The paucity of information on the native properties of these ligaments in the pediatric population hinders the overall optimization of treatment for these injuries. Read More

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http://dx.doi.org/10.1177/2325967118824400DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6362518PMC
February 2019

ASSESSMENT OF THE REGENERATION CAPACITY OF SEMITENDINOSUS AND GRACILIS TENDONS.

Acta Ortop Bras 2018 ;26(6):379-383

Knee Surgery and Arthroscopy Group, Universidade Federal de São Paulo (UNIFESP-EPM), São Paulo, SP Brazil.

Objectives: To evaluate the regenerative capacity of gracilis (G) and semitendinosus (ST) tendons, to examine the sensitivity and specificity of signs and symptoms in the assessment of hamstring tendons, and to assess the thickness and insertion site of regenerated tendons.

Methods: Thirty sequential knees were subjected to anterior cruciate ligament reconstruction with semitendinosus and gracilis tendons. After surgery, the patients were followed up clinically with physical examination and magnetic resonance imaging (MRI). Read More

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http://dx.doi.org/10.1590/1413-785220182606168849DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6362683PMC
January 2018

Clinical measures associated with knee function over two years in young athletes after ACL reconstruction.

Knee 2019 Feb 13. Epub 2019 Feb 13.

School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA; Sports Medicine Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH, USA; Division of Physical Therapy, The Ohio State University, Columbus, OH, USA. Electronic address:

Purpose: The purpose of this study was to investigate how patient-reported knee function changed over a two-year period in young athletes after anterior cruciate ligament reconstruction (ACLR) and return-to-sport (RTS), and to determine the impact of clinical measures, after controlling for demographic and surgical covariates.

Methods: At the time of RTS after primary, unilateral ACLR, the following data were collected in 67 young athletes: Quadriceps (QF), hamstring (HS), and hip abduction (HA) strength; knee range-of-motion, effusion, and anterior laxity; and patient-reported function using the Knee injury and Osteoarthritis Outcome Score (KOOS). At two years post-RTS, patient-reported function was reevaluated using the KOOS. Read More

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http://dx.doi.org/10.1016/j.knee.2019.01.011DOI Listing
February 2019

Knee Function, Strength, and Resumption of Preinjury Sports Participation in Young Athletes Following Anterior Cruciate Ligament Reconstruction.

J Orthop Sports Phys Ther 2019 Feb 15:1-9. Epub 2019 Feb 15.

School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH.

Background: Following anterior cruciate ligament reconstruction (ACLR), young athletes demonstrate deficits in knee function and strength whose association with successful return to preinjury sports participation is not well understood.

Objectives: To examine differences in knee function and strength at the time of return-to-sport clearance between young athletes who successfully resumed preinjury sports participation, those who did not resume preinjury sports participation, and those who sustained a second anterior cruciate ligament (ACL) injury by 1 year following return-to-sport clearance.

Methods: This prospective cohort study collected data in 124 young athletes (mean ± SD age, 17. Read More

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https://www.jospt.org/doi/10.2519/jospt.2019.8624
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http://dx.doi.org/10.2519/jospt.2019.8624DOI Listing
February 2019
3 Reads

Operative Versus Conservative Treatment of Anterior Cruciate Ligament Rupture.

Dtsch Arztebl Int 2018 12;115(51-52):855-862

Department of Trauma, Hand and Reconstructive Surgery, University Medical Center Hamburg-Eppendorf; Department of General Orthopedics and Center for Endoprosthetics, Schön Klinik Hamburg Eilbek; Department of Sports Orthopedics, University Hospital rechts der Isar, Technical University of Munich (TUM); Department of Orthopedics and Trauma Surgery, Martin-Luther-Hospital, Berlin; Department of Trauma and Reconstructive Surgery With Division of Knee and Shoulder Surgery, Sports Traumatology, Asklepios Klinik St. Georg, Hamburg.

Background: Anterior cruciate ligament (ACL) rupture is a serious injury in patients who are typically young and athletically active, with potential long-term complica- tions including functional limitation, posttraumatic osteoarthritis of the knee, and impaired quality of life. ACL reconstruction is now considered the gold standard of treatment for regaining stability and improving knee function. Conservative treatment is an alternative. Read More

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https://www.aerzteblatt.de/10.3238/arztebl.2018.0855
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http://dx.doi.org/10.3238/arztebl.2018.0855DOI Listing
December 2018
6 Reads

Functional performance testing and return to sport criteria in patients after anterior cruciate ligament injury 12-18 months after index surgery: A cross-sectional observational study.

Phys Ther Sport 2019 Feb 7;37:1-9. Epub 2019 Feb 7.

Ludwig-Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria; Traumacenter Graz, Teaching Hospital of the Medical University Graz, Graz, Austria. Electronic address:

Objectives: Objective return to sport (RTS) criteria after anterior cruciate ligament (ACL) injury are lacking. Study purposes were (1) to report Limb Symmetry Index (LSI) values achieved in a test battery, (2) to detect how many subjects meet RTS criteria 12-18 months post-operative and (3) to identify whether patient-administered scores predict RTS criteria.

Design: Observer-blinded, cross-sectional observational study. Read More

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http://dx.doi.org/10.1016/j.ptsp.2019.01.010DOI Listing
February 2019
1 Read

Patient-reported outcomes 1 to 5 years after ACL reconstruction: effect of combined injury, and associations with MRI-defined osteoarthritis features.

Arthritis Care Res (Hoboken) 2019 Feb 14. Epub 2019 Feb 14.

La Trobe Sport & Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Bundoora, Australia.

Objective: Persistent symptoms and poor quality of life (QoL) are common following anterior cruciate ligament reconstruction (ACLR). We aimed to determine the influence of a combined ACL injury (i.e. Read More

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http://dx.doi.org/10.1002/acr.23854DOI Listing
February 2019
2 Reads

Acute reconstruction results in less sick-leave days and as such fewer indirect costs to the individual and society compared to delayed reconstruction for ACL injuries.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 14. Epub 2019 Feb 14.

Department of Orthopaedics, Stockholm South Hospital, Karolinska Institutet, Stockholm, Sweden.

Purpose: To compare the total number of sick-leave days caused by the knee injury from the day of injury and over the first year between acute (within 8 days) and delayed (6-10 weeks) anterior cruciate ligament reconstruction (ACLR) and also assess other clinical outcomes during this period.

Methods: Seventy patients with an acute ACL injury and Tegner level of 6 or more were randomized to acute (within 8 days) or delayed (after 6-10 weeks) ACLR. Patient-reported outcomes; objective IKDC and manual stability measurements were assessed at 6 and 12 months. Read More

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http://dx.doi.org/10.1007/s00167-019-05397-3DOI Listing
February 2019
1 Read

The ACL-deficient knee and the prevalence of meniscus and cartilage lesions: a systematic review and meta-analysis (CRD42017076897).

Arch Orthop Trauma Surg 2019 Feb 13. Epub 2019 Feb 13.

Klinik für Orthopädie und Unfallchirurgie am Martin Luther Krankenhaus, Berlin, Caspar Theysstr. 27-31, 14193, Berlin, Germany.

Introduction: The purpose of this systematic review and meta-analysis was to analyze and compare the rate of secondary meniscus and cartilage lesions diagnosed at different time points of ACL reconstruction.

Materials And Methods: A systematic search for articles comparing the rate of secondary meniscus and cartilage lesions diagnosed at different time points of ACL reconstruction was performed. PubMed central was the database used for the literature review. Read More

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http://dx.doi.org/10.1007/s00402-019-03128-4DOI Listing
February 2019

Anterior Cruciate Ligament Reconstruction Using Autologous Hamstring Double Bundle Graft Compared With Single Bundle Graft Procedures.

Mymensingh Med J 2019 Jan;28(1):126-136

Professor Dr Abu Zaffar Chowdhury, Chairman Department of Orthopaedic Surgery, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.

Anterior cruciate ligament injury is one of the commonest sports injuries, which often markedly reduces activity and the quality of life. The autologous hamstring double bundle graft and single bundle graft are commonly used for anterior cruciate ligament reconstruction. The choice of graft material for ACL reconstruction is believed to play a major role in the outcome but still there are controversies about the graft selection for primary ACL reconstruction. Read More

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January 2019
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Are MMP3, MMP8 and TIMP2 gene variants associated with anterior cruciate ligament rupture susceptibility?

J Sci Med Sport 2019 Jan 29. Epub 2019 Jan 29.

Faculty of Tourism and Recreation, Gdansk University of Physical Education and Sport, Poland.

Objectives: Anterior cruciate ligament rupture (ACLR) is a common and severe knee injury which typically occurs as a result of sports participation, primarily via a non-contact mechanism. A number of extrinsic and intrinsic risk factors, including genetics, have been identified thus far. Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteases (TIMPs) play a crucial role in extracellular matrix remodeling of ligaments and therefore the genes encoding MMPs and TIMPs are plausible candidates for investigation with ACL rupture risk. Read More

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http://dx.doi.org/10.1016/j.jsams.2019.01.014DOI Listing
January 2019
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Psychological Readiness to Return to Sport Is Associated With Second Anterior Cruciate Ligament Injuries.

Am J Sports Med 2019 Feb 12:363546518825258. Epub 2019 Feb 12.

School of Allied Health, La Trobe University, Melbourne, Australia.

Background:: Psychological responses after anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) have been identified as predictors of return to sport but have not been investigated in relation to further injury.

Purpose/hypothesis:: To determine whether psychological readiness to return to sport is associated with second ACL injury. It was hypothesized a priori that at both preoperative and 12-month postoperative time points, patients who sustained a second ACL injury would have lower psychological readiness than patients who did not have a second injury. Read More

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http://dx.doi.org/10.1177/0363546518825258DOI Listing
February 2019
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RESTORING KNEE EXTENSOR STRENGTH AFTER ANTERIOR CRUCIATE LIGAMENT RECONSTRUCTION: A CLINICAL COMMENTARY.

Int J Sports Phys Ther 2019 Feb;14(1):159-172

Isokinetic Medical Group, FIFA Medical Centre of Excellence, Education & Research Department, Bologna, Italy.

One of the main priorities of rehabilitation after anterior cruciate ligament reconstruction (ACLR) surgery is the restoration of knee extensor muscle strength. Residual deficits in knee extensor muscle size and strength after injury are linked to poor biomechanics, reduced knee function, increased knee osteoarthritis risk, as well as heightened risk of re-injury upon return to sport. Most studies indicate that knee extensor muscle strength is typically not resolved prior to return to sport. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350662PMC
February 2019
2 Reads

DIAGNOSTIC ACCURACY OF THE LEVER SIGN IN DETECTING ANTERIOR CRUCIATE LIGAMENT TEARS: A SYSTEMATIC REVIEW AND META-ANALYSIS.

Int J Sports Phys Ther 2019 Feb;14(1):2-13

Department of Physical Therapy, Walsh University, North Canton, OH, USA.

Background: The anterior cruciate ligament (ACL) is one of the most commonly injured ligaments in the knee. With the prevalence of ACL tears increasing, there is a growing need for clinical tests to rule in and rule out a suspected tear. A new clinical test for detecting ACL tears has been introduced with preliminary studies showing promising results. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350660PMC
February 2019
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Education from other journals #12.

Br J Sports Med 2019 Feb 11. Epub 2019 Feb 11.

Glen Sather Sports Medicine Clinic, Edmonton, Alberta, Canada.

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http://dx.doi.org/10.1136/bjsports-2018-100283DOI Listing
February 2019
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Avulsion Fracture of the Anterior Intercondylar Eminence in an Eight-year-old Child: ACase Report.

J Orthop Case Rep 2018 Sep-Oct;8(5):32-35

Department of Orthopaedic and Trauma Surgery, AZ Delta Hospital, Campus Torhout, Belgium.

Introduction: Avulsion fractures of the tibial intercondylar eminence are rare and occur mostly in children. The purpose of this paper is to present a case of this rare pathology and to underline the importance of early diagnosis.

Case Report: A male 8-year-old child presented with pain in his left knee and difficulties to walk after a combined injury of falling and contact trauma. Read More

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http://dx.doi.org/10.13107/jocr.2250-0685.1198DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6367294PMC
February 2019
1 Read

[Effectiveness of a novel remnant-preserving anterior cruciate ligament reconstruction with bidirectional barbed suture].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2019 Feb;33(2):149-153

Department of Sports Medicine and Joint Surgery/Orthopaedics, the First Affiliated Hospital of China Medical University, Shenyang Liaoning, 110001,

Objective: To investigate the feasibility and effectiveness of a novel remnant-preserving anterior cruciate ligament (ACL) reconstruction with bidirectional barbed suture.

Methods: Between February 2014 and January 2016, 96 patients (96 knees) with ACL injury who met the inclusion criteria were recruited and randomly divided into 2 groups ( =48). All patients underwent ACL reconstruction with autologous tendon. Read More

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http://dx.doi.org/10.7507/1002-1892.201809132DOI Listing
February 2019
1 Read

Loss of patellofemoral cartilage thickness over 5 years following ACL injury depends on the initial treatment strategy: results from the KANON trial.

Br J Sports Med 2019 Feb 8. Epub 2019 Feb 8.

Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Lunds Universitet, Lund, Sweden.

Objectives: To evaluate changes in patellofemoral cartilage thickness over 5 years after anterior cruciate ligament (ACL) injury and to determine the impact of treatment strategy.

Methods: 121 adults (ages 18-35 years, 26% women) had an ACL injury and participated in the KANON randomised controlled trial. Of those, 117 had available MRIs at baseline (<4 weeks post-ACL rupture) and at least one follow-up measurement (2, 5 years). Read More

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http://dx.doi.org/10.1136/bjsports-2018-100167DOI Listing
February 2019
1 Read

Neuromuscular activity during stair descent in ACL reconstructed patients: A pilot study.

Knee 2019 Feb 4. Epub 2019 Feb 4.

Department Health & Physiotherapy, Bern University of Applied Sciences, Murtenstrasse 10, CH-3008 Bern, Switzerland. Electronic address:

Background: The anterior cruciate ligament (ACL) rupture is a severe knee injury. Altered kinematics and kinetics in ACL reconstructed (ACL-R) patients compared to healthy participants (ACL-I) are known and attributed to an altered sensorimotor control. However, studies on neuromuscular control often lack homogeneous patient cohorts. Read More

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http://dx.doi.org/10.1016/j.knee.2018.12.011DOI Listing
February 2019
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The Presence of the Arthroscopic "Floating Meniscus" Sign as an Indicator for Surgical Intervention in Patients With Combined Anterior Cruciate Ligament and Grade II Medial Collateral Ligament Injury.

Arthroscopy 2019 Feb 4. Epub 2019 Feb 4.

Centro de Traumatologia do Esporte do Departamento de Ortopedia e Traumatologia, Universidade Federal de São Paulo, Escola Paulista de Medicina, São Paulo, Brazil.

Purpose: To compare the outcomes of patients with an arthroscopic floating meniscus sign at 24-month follow-up when treated with and without medial compartment reconstruction surgery. Another aim of the present study was to compare magnetic resonance imaging and arthroscopic findings directly related to the characterization and localization medial collateral ligament (MCL) injuries.

Methods: A total of 112 patients diagnosed with combined anterior cruciate ligament (ACL)-MCL grade II injuries to be treated with ACL reconstruction surgery were included in the study. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.10.114DOI Listing
February 2019
1 Read

Relationship between intercondylar notch angle and anterior cruciate ligament injury: a magnetic resonance imaging analysis.

J Int Med Res 2019 Feb 8:300060518824447. Epub 2019 Feb 8.

3 Department of Orthopaedics and Traumatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.

Objectives: This study was performed to compare the intercondylar notch angle (INA) and tibial slope in patients with and without anterior cruciate ligament (ACL) injury and determine the risk factors and influence of these anatomic variations on ACL injury.

Methods: Participants with and without non-contact ACL injuries were included in the patient and control groups, respectively. The INA (formed by the femoral axis and Blumensaat line), lateral tibial slope (LTS), and medial tibial slope (MTS) were measured on magnetic resonance images. Read More

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http://dx.doi.org/10.1177/0300060518824447DOI Listing
February 2019
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ACL Repair With Suture Ligament Augmentation Is Associated With a High Failure Rate Among Adolescent Patients.

Am J Sports Med 2019 Feb 7:363546518825255. Epub 2019 Feb 7.

Children's Hospital Colorado, Aurora, Colorado, USA.

Background:: The anterior cruciate ligament (ACL) repair technique avoids graft harvest and therefore the risk of donor site morbidity. However, early failure rates after ACL repair with suture ligament augmentation (SLA) remain high.

Purpose:: To compare surgical failure, functional outcomes, return to sport, and joint laxity between adolescents who underwent ACL repair with SLA and those who underwent ACL reconstruction with quadriceps tendon-patellar bone autograft (QPA). Read More

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http://dx.doi.org/10.1177/0363546518825255DOI Listing
February 2019
2 Reads

Evaluation kinaesthetic proprioceptive deficit after knee anterior cruciate ligament (ACL) reconstruction in athletes.

J Exp Orthop 2019 Feb 7;6(1). Epub 2019 Feb 7.

Université Catholique de Louvain, Place P. de Coubertin, 1348, Louvain-la-Neuve, Belgium.

Purpose: The objective of this study was to evaluate kinaesthetic proprioceptive deficit after knee anterior cruciate ligament (ACL) reconstruction in two populations of athletes, those in the post-surgery period and those in re-training during the intensive program-training phase.

Methods: We performed a prospective study in ACL-operated athletes without previous knee injuries, with 32 athletes in each group. Time since surgery in the operated athletes in the post-surgery group was 21 to 35 days, and between three and 9 months in the re-training group. Read More

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http://dx.doi.org/10.1186/s40634-019-0174-8DOI Listing
February 2019

Outcomes After the Operative Treatment of Bucket-Handle Meniscal Tears in Children and Adolescents.

Orthop J Sports Med 2019 Jan 15;7(1):2325967118820305. Epub 2019 Jan 15.

Division of Sports Medicine, Department of Orthopedic Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Background: Bucket-handle meniscal tears (BHMTs), which we define as vertical longitudinal tears of the meniscus with displacement of the torn inner fragment toward the intercondylar notch region, are a well-recognized tear pattern. Optimizing the management of BHMTs in younger patients is important, as preserving meniscal tissue may limit future joint degeneration.

Purpose/hypothesis: The purpose of this study was to review the patient demographics, clinical presentation, operative details, outcomes, and risk factors for a reoperation associated with operatively treated BHMTs in a pediatric population. Read More

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http://dx.doi.org/10.1177/2325967118820305DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350150PMC
January 2019
1 Read

A Comparison of Knee Abduction Angles Measured by a 3D Anatomic Coordinate System Versus Videographic Analysis: Implications for Anterior Cruciate Ligament Injury.

Orthop J Sports Med 2019 Jan 22;7(1):2325967118819831. Epub 2019 Jan 22.

Department of Orthopaedics, Duke University, Durham, North Carolina, USA.

Background: Knee positions involved in noncontact anterior cruciate ligament (ACL) injury have been studied via analysis of injury videos. Positions of high ACL strain have been identified in vivo. These methods have supported different hypotheses regarding the role of knee abduction in ACL injury. Read More

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http://dx.doi.org/10.1177/2325967118819831DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6350144PMC
January 2019
1 Read

Principles of Motor Learning to Support Neuroplasticity After ACL Injury: Implications for Optimizing Performance and Reducing Risk of Second ACL Injury.

Sports Med 2019 Feb 5. Epub 2019 Feb 5.

Exercise Science & Neuroscience Unit, Department Exercise and Health, Faculty of Science, Paderborn University, Paderborn, Germany.

Athletes who wish to resume high-level activities after an injury to the anterior cruciate ligament (ACL) are often advised to undergo surgical reconstruction. Nevertheless, ACL reconstruction (ACLR) does not equate to normal function of the knee or reduced risk of subsequent injuries. In fact, recent evidence has shown that only around half of post-ACLR patients can expect to return to competitive level of sports. Read More

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http://dx.doi.org/10.1007/s40279-019-01058-0DOI Listing
February 2019
1 Read

Anterior cruciate ligament reconstruction with concomitant meniscal surgery: a systematic review and meta-analysis of outcomes.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 4. Epub 2019 Feb 4.

Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, ON, Canada.

Purpose: The aim of this review was to compare the clinical outcomes of anterior cruciate ligament reconstruction (ACLR) with either meniscal repair or meniscectomy for concomitant meniscal injury. The primary hypothesis was that short-term clinical outcomes (≤ 2-year follow-up) for ACLR concomitant with either meniscal repair or resection would be similar. The secondary hypothesis was that ACLR with meniscal repair would result in better longer term outcomes compared with meniscal resection. Read More

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http://dx.doi.org/10.1007/s00167-019-05389-3DOI Listing
February 2019
1 Read

MRI-determined anterolateral capsule injury did not affect the pivot-shift in anterior cruciate ligament-injured knees.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 4. Epub 2019 Feb 4.

Department of Orthopaedic Surgery, Graduate School of Medicine, Kobe University, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.

Purpose: The purpose of this study was to quantitatively compare the results of pivot-shift test between knees with anterior cruciate ligament (ACL) injury with and without anterolateral capsule (ALC) injury detected on MRI. ALC injury was hypothesized to worsen rotatory knee laxity.

Methods: 82 patients with unilateral ACL injury were enrolled in this study. Read More

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http://dx.doi.org/10.1007/s00167-019-05376-8DOI Listing
February 2019
1 Read

Applying the Socio-Ecological Model to barriers to implementation of ACL injury prevention programs: A systematic review.

J Sport Health Sci 2019 Jan 6;8(1):8-16. Epub 2017 Nov 6.

Department of Health Education and Promotion, East Carolina University, Greenville, NC 27858, USA.

Background: Preventing anterior cruciate ligament (ACL) injuries is important to avoid long-term adverse health consequences. Identifying barriers to implementation of these prevention programs is crucial to reducing the incidence of these injuries. Our purpose was to identify barriers of implementation for ACL injury prevention programs and suggest mechanisms for reducing the barriers through application of a Socio-Ecological Model (SEM). Read More

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http://dx.doi.org/10.1016/j.jshs.2017.11.001DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349588PMC
January 2019
1 Read

Open knee dislocation with a patellar tendon rupture: Result of staged surgical repair.

SAGE Open Med Case Rep 2019 11;7:2050313X18823102. Epub 2019 Jan 11.

Department of Orthopedic Surgery, Jichi Medical University, Shimotsuke, Japan.

Knee dislocation with concomitant multiligament injury is a rare and devastating injury. We report the successful repair of a rare case of open knee dislocation with concomitant multiligament injury and patellar tendon rupture of an 18-year-old male due to a motorcycle accident. The patient presented with an open wound running parallel to the knee joint line and patellar tendon rupture with full exposure of the cartilage of the distal femur. Read More

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http://dx.doi.org/10.1177/2050313X18823102DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349979PMC
January 2019
3 Reads

Education and repetition improve success rate and quantitative measures of the pivot shift test.

Knee Surg Sports Traumatol Arthrosc 2019 Feb 4. Epub 2019 Feb 4.

Orthopaedic Robotics Laboratory, Department of Bioengineering and Department of Orthopaedic Surgery, University of Pittsburgh, 300 Technology Drive, Pittsburgh, PA, 15219, USA.

Purpose: Clinicians have different techniques and varying levels of experience with the pivot shift test, introducing variability into its performance. The purpose of this study was to evaluate the influence of teaching and repetition on the success rate and anterior translation of the lateral knee compartment during the pivot shift test in a cadaveric ACL injury model.

Methods: Twenty-five participants (five each of medical students, orthopaedic surgery residents, physical therapists, athletic trainers, sports medicine fellows) were recruited and a senior orthopaedic surgeon served as gold standard examiner. Read More

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http://dx.doi.org/10.1007/s00167-019-05370-0DOI Listing
February 2019
2 Reads
2.837 Impact Factor

Comparison of Tunnel Enlargement and Clinical Outcome Between Bioabsorbable Interference Screws and Cortical Button-Post Fixation in Arthroscopic Double-Bundle Anterior Cruciate Ligament Reconstruction: A Prospective, Randomized Study With a Minimum Follow-Up of 2 Years.

Arthroscopy 2019 Feb;35(2):544-551

Department of Orthopedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan.

Purpose: To investigate the tunnel enlargement rate and clinical function by comparing double-bundle anterior cruciate ligament reconstruction (ACLR) using different fixation devices.

Methods: Patients receiving primary arthroscopic double-bundle ACLR were screened and divided into 2 groups on the basis of the method of graft fixation: bioabsorbable interference screw (BS) group and cortical button (CB) group. Bone tunnel size was assessed digitally using magnetic resonance imaging, which was performed a minimum of 2 years postoperatively. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.08.039DOI Listing
February 2019
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Editorial Commentary: The Anterolateral Ligament Really Exists, Now Show Me How to Find It.

Authors:
David A Pula

Arthroscopy 2019 Feb;35(2):528-529

The anterior lateral complex is commonly associated with anterior cruciate ligament (ACL) injury. This has been evident since the description of the Segond fracture and by the use of lateral extra-articular tenodesis for ACL injury. Although lateral extra-articular tenodesis has been mostly given up owing to a preference for anatomic ACL reconstructions, it is gaining interest as an adjunct to ACL reconstruction. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.11.004DOI Listing
February 2019
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Anterolateral Ligament of the Knee: Diagnosis, Indications, Technique, Outcomes.

Arthroscopy 2019 Feb;35(2):302-303

Centre Orthopédique Santy, Hôpital Privé Jean Mermoz, Groupe Ramsay Générale de Santé, FIFA Medical Center of Excellence, Lyon, France.

In the context of anterior cruciate ligament reconstruction surgery, anterolateral ligament reconstruction is now recognized as a reliable option to control rotatory instability and should be considered in the knee surgeon's modern armamentarium. By highlighting its daily practical application, this infographic presents the indications for this specific additional lateral augmentation, the anatomic and biomechanical principles that underline its rationale, and the clinical outcomes from recent large series. In 2013, Claes et al. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.08.019DOI Listing
February 2019
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Strain distribution of the anterolateral ligament during internal rotation at different knee flexion angles: A biomechanical study on human cadavers.

Knee 2019 Jan 29. Epub 2019 Jan 29.

Department of Anatomy, Guangdong Provincial Key Laboratory of Medical Biomechanics, Southern Medical University, Guangzhou 510515, China. Electronic address:

Background: Injuries of the anterolateral ligament (ALL) are fairly common in patients with ruptures of the anterior cruciate ligament (ACL). Before considering repair or reconstruction of the ALL, the lack of knowledge with regard to the biomechanical behavior of this ligament must be considered. The purpose of this study was to analyze the strain of the ALL induced by tibial internal rotation at different flexion angles and find out the strain distribution features. Read More

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http://dx.doi.org/10.1016/j.knee.2019.01.001DOI Listing
January 2019
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The Pivot Shift: Current Experimental Methodology and Clinical Utility for Anterior Cruciate Ligament Rupture and Associated Injury.

Curr Rev Musculoskelet Med 2019 Jan 31. Epub 2019 Jan 31.

Department of Orthopaedic Surgery, UPMC Rooney Sports Complex, University of Pittsburgh Medical Center, 3200 S. Water St., Pittsburgh, PA, 15203, USA.

Purpose Of Review: The purpose of this manuscript is to (1) examine the history, techniques, and methodology behind quantitative pivot shift investigations to date and (2) review the current status of pivot shift research for its clinical utility for management of anterior cruciate ligament (ACL) rupture with associated injuries including the anterolateral complex (ALC).

Recent Findings: The pivot shift is a useful physical exam maneuver for diagnosis of rotatory instability related to ACL tear. Recent evidence suggests that the pivot shift is multifactorial and can be seen in the presence of ACL tear with concomitant injury to secondary stabilizers or with predisposing anatomical factors. Read More

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http://dx.doi.org/10.1007/s12178-019-09529-7DOI Listing
January 2019
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Comparison of anatomical risk factors for noncontact anterior cruciate ligament injury using magnetic resonance imaging.

J Clin Orthop Trauma 2019 Jan-Feb;10(1):143-148. Epub 2017 Aug 14.

Kasturba Medical College, Manipal University, Mangalore, Karnataka, India.

Purpose: To compare the significance of the tibio-femoral geometrical indices (notch width index, medial and lateral tibial slopes) and patellar tendon- tibial shaft angle in predicting non-contact ACL injuries and to compare these factors between genders.

Methods: Retrospective case control study evaluating 66 MRI knee of patients of age group of 18-60 years with 33 cases of noncontact ACL injury and 33 age matched controls. Notch width index, medial and lateral tibial slopes and patellar tendon tibial shaft angles were calculated and compared for statistical significance and was also compared between the genders. Read More

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http://dx.doi.org/10.1016/j.jcot.2017.08.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6349608PMC
August 2017
2 Reads

One-Third of Meniscal Tears Are Repairable: An Epidemiological Study Evaluating Meniscal Tear Patterns in Stable and Unstable Knees.

Arthroscopy 2019 Jan 29. Epub 2019 Jan 29.

Clínica Espejo, Málaga, Spain; Hospital Vithas Parque San Antonio, Málaga, Spain.

Purpose: To analyze, in a long series of patients with knee injuries, the meniscal tear patterns in both stable and unstable knees to ascertain the exact proportion of such injuries that could have been repaired.

Methods: A descriptive cross-sectional study was undertaken by reviewing the clinical reports of arthroscopic knee operations carried out in 1 hospital. A total of 2,066 consecutive patients were included in the study. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.08.051DOI Listing
January 2019
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Combined Anterior Cruciate and Anterolateral Ligament Reconstruction in the Professional Athlete: Clinical Outcomes From the SANTI Group in a Series of 70 Patients With a Minimum Follow-Up of 2 Years.

Arthroscopy 2019 Jan 29. Epub 2019 Jan 29.

Centre Orthopédique Santy, FIFA Medical Center of Excellence, Groupe Ramsay-Generale de Santé, Lyon, France. Electronic address:

Purpose: To evaluate clinical outcomes in professional athletes after combined anterior cruciate ligament (ACL) and anterolateral ligament (ALL) reconstruction at a minimum follow-up of 2 years.

Methods: A retrospective analysis of prospectively collected data from the SANTI Study Group database was performed. All professional athletes who underwent primary combined ACL and ALL reconstruction between January 2011 and March 2016 were included. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.09.020DOI Listing
January 2019
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3.206 Impact Factor

The influence of differences in neurocognitive function on lower limb kinematics, kinetics, and muscle activity during an unanticipated cutting motion.

Phys Ther Res 2018 30;21(2):44-52. Epub 2018 Aug 30.

Faculty of Health and Sport Sciences, University of Tsukuba.

Neurocognitive function may be a risk factor for anterior cruciate ligament (ACL) injury by changing neuromuscular control such as muscle activities. However, the effect of differences in neurocognitive function on biomechanics and neuromuscular control related to ACL injury risk is not clear. The purpose of this study was to examine the effect of differences in neurocognitive function on biomechanics and neuromuscular control during an unanticipated side-step cutting motion. Read More

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https://www.jstage.jst.go.jp/article/ptr/21/2/21_E9938/_arti
Publisher Site
http://dx.doi.org/10.1298/ptr.E9938DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6336436PMC
August 2018
8 Reads

Erratum to: Gender Differences in Intra-articular and Extra-articular Injuries Associated with Acute Anterior Cruciate Ligament Ruptures.

J Knee Surg 2019 Jan 29. Epub 2019 Jan 29.

Department of Orthopaedic Surgery, National University Hospital Sports Centre, National University Health System, Singapore.

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http://dx.doi.org/10.1055/s-0039-1678598DOI Listing
January 2019
2 Reads

Alpine Ski Racing Injuries.

Sports Health 2019 Jan 28:1941738119825842. Epub 2019 Jan 28.

Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont.

Context:: This article reviews the epidemiology of alpine ski racing-related injuries, risk factors, mechanisms of injury, and injury prevention strategies.

Evidence Acquisition:: Pertinent literature from peer-reviewed publications from 1976 through 2018.

Study Design:: Clinical review. Read More

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http://dx.doi.org/10.1177/1941738119825842DOI Listing
January 2019
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Bone Bruises Associated with Anterior Cruciate Ligament Injury as Indicators of Injury Mechanism: A Systematic Review.

Sports Med 2019 Jan 28. Epub 2019 Jan 28.

Division of Physical Therapy, Center for Human Movement Science, School of Medicine, The University of North Carolina at Chapel Hill, CB# 7135 Bondurant Hall, Chapel Hill, NC, 27599-7135, USA.

Background: Anterior cruciate ligament (ACL) injury is one of the most common injuries in sports, and the injury mechanisms are not completely clear. Bone bruises seen on magnetic resonance imaging (MRI) following ACL injuries may provide significant information for determining ACL injury mechanisms.

Objective: The aim was to determine ACL injury mechanisms through an evaluation of locations of bone bruises associated with ACL injury. Read More

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http://dx.doi.org/10.1007/s40279-019-01060-6DOI Listing
January 2019
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A research update on the state of play for return to sport after anterior cruciate ligament reconstruction.

J Orthop Traumatol 2019 Jan 28;20(1):10. Epub 2019 Jan 28.

OrthoSport Victoria, Epworth HealthCare, Melbourne, Australia.

Most athletes who undergo anterior cruciate ligament (ACL) reconstruction surgery plan to return to some level of sporting activity. However, rates of return to pre-injury sport are often less than might be expected and many factors influence whether individuals return to sport after this surgery. They include surgical and rehabilitation factors as well as social, psychological and demographic characteristics. Read More

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http://dx.doi.org/10.1186/s10195-018-0516-9DOI Listing
January 2019
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Changes in stair ascent biomechanics two to eight years after ACL reconstruction are associated with patient-reported outcomes.

Gait Posture 2019 Jan 22;69:91-95. Epub 2019 Jan 22.

BioMotion Laboratory, Department of Mechanical Engineering, Stanford University, CA, United States; Department of Orthopaedic Surgery, Stanford University, CA, United States.

Background: Anterior cruciate ligament (ACL) injury is often followed by quadriceps deficits that are apparent with gait analysis. The deficit frequently remains after ACL reconstruction (ACLR). As such, evaluation of ACLR patients could be enhanced by a simple method to detect quadriceps deficits. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2019.01.029DOI Listing
January 2019
2 Reads