14,876 results match your criteria Anterior Cruciate Ligament Injury


A Comparison between Oblique and Vertical Incisions on the Hamstring Tendon Harvesting in Anterior Cruciate Ligament Reconstruction and Infrapatellar Branch Injury of the Saphenous Nerve.

Rev Bras Ortop (Sao Paulo) 2020 Jun 27;55(3):374-379. Epub 2019 Aug 27.

Departamento Ortopédico, Shahid Beheshti University of Medical Sciences, Akhtar Hospital, Tehran, Iran.

 The present study aimed to compare the oblique and vertical incisions in hamstring tendon harvesting in anterior cruciate ligament (ACL) reconstruction and in infrapatellar branch injury of the saphenous nerve.  The present study was conducted at a tertiary referral center for 12 months. Patients with an indication of reconstruction of ACL tear were included in the study, who were then randomized into two groups (vertical [VG] and oblique [OG] groups). Read More

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http://dx.doi.org/10.1055/s-0039-1692695DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316540PMC

[Anterior cruciate ligament rupture in children: A growing problem].

Ned Tijdschr Geneeskd 2020 Jul 2;164. Epub 2020 Jul 2.

Seattle Children's Hospital, afd. Orthopedie, Seattle, Verenigde Staten.

The number of knee injuries in young children has risen sharply in recent years, due to more intensive participation in sporting activities by children at an increasingly lower age. This has led to more anterior cruciate ligament (ACL) ruptures. An ACL rupture has major consequences for the young athlete, but diagnosing this injury in a child can be difficult due to pain and anxiety. Read More

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Anterior cruciate ligament bundle insertions vary between ACL-rupture and non-injured knees.

Knee Surg Sports Traumatol Arthrosc 2020 Jul 1. Epub 2020 Jul 1.

Shanghai Key Laboratory of Orthopaedic Implants and Clinical Translational R&D Center of 3D Printing Technology, Department of Orthopaedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; School of Biomedical Engineering and Med.X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, China.

Purpose: The present study aimed to investigate the three-dimensional topographic anatomy of the anterior cruciate ligament (ACL) bundle attachment in both ACL-rupture and ACL-intact patients who suffered a noncontact knee injury and identify potential differences.

Methods: Magnetic resonance images of 90 ACL-rupture knees and 90 matched ACL-intact knees, who suffered a noncontact knee injury, were used to create 3D ACL insertion models.

Results: In the ACL-rupture knees, the femoral origin of the anteromedial (AM) bundle was 24. Read More

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http://dx.doi.org/10.1007/s00167-020-06122-1DOI Listing

The Effectiveness of Autograft Used in Anterior Cruciate Ligament Reconstruction of the Knee: Surgical Records for the New Generations of Orthopedic Surgeons and Synthetic Graft Revisit.

Orthop Res Rev 2020 25;12:61-67. Epub 2020 Jun 25.

Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan.

Objective: In this article, we aim to revisit the synthetic graft and review the advantages and disadvantages between different types of grafts for patients who underwent anterior cruciate ligament (ACL) reconstruction in a tertiary medical institute for the new generations of surgeons.

Patients And Methods: Retrospectively, we identified 115 patients who underwent arthroscopic ACL reconstruction between 2006 and 2009. We were able to retrieve 74 patients from them. Read More

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http://dx.doi.org/10.2147/ORR.S253985DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7323790PMC

Pseudaneurysm of the superolateral genicular artery following an anterior cruciate ligament reconstruction.

Int J Surg Case Rep 2020 Feb 28. Epub 2020 Feb 28.

Department of Orthopedic Surgery and Musculoskeletal Trauma Care, University Hospitals Geneva, Geneva, Switzerland.

Introduction: Arthroscopic procedures are a safe way nowadays to do anterior cruciate ligament reconstruction. Rare complications involve injuries to popliteal vessels or one of its branches.

Presentation Of Case: We present a case of a young patient who undergone an anterior cruciate ligament reconstruction. Read More

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http://dx.doi.org/10.1016/j.ijscr.2020.02.050DOI Listing
February 2020

Lower Limb Asymmetry After Anterior Cruciate Ligament Reconstruction in Adolescent Athletes: A Systematic Review and Meta-Analysis.

J Athl Train 2020 Jun 30. Epub 2020 Jun 30.

Department of Business Administration, University of Zurich, Switzerland.

Objectives: To identify reported (1) common biomechanical asymmetries in the literature after anterior cruciate ligament (ACL) reconstruction in adolescents during landing and (2) timescales for asymmetry to persist postsurgery.

Data Sources: We identified sources by searching the CINAHL, PubMed, Scopus, and SPORTDiscus electronic databases using the following search terms: asymmetry OR symmetry AND landing AND biomechanics OR kinematics OR kinetics.

Study Selection: We screened the titles and abstracts of 85 articles using our inclusion criteria. Read More

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http://dx.doi.org/10.4085/1062-6050-0244-19DOI Listing

July 2020 Corrigendum.

Authors:

J Orthop Sports Phys Ther 2020 Jul;50(7):411

Corrections to an article published in the February 2020 issue of JOSPT: Beischer S, Gustavsson L, Senorski EH, Karlsson J, Thomeé C, Samuelsson K, Thomeé R. Young Athletes Who Return to Sport Before 9 Months After Anterior Cruciate Ligament Reconstruction Have a Rate of New Injury 7 Times That of Those Who Delay Return. . Read More

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http://dx.doi.org/10.2519/jospt.2020.50.7.411DOI Listing

Magnolin exhibits anti-inflammatory effects on chondrocytes via the NF-κB pathway for attenuating anterior cruciate ligament transection-induced osteoarthritis.

Connect Tissue Res 2020 Jun 30:1-10. Epub 2020 Jun 30.

National Innovation and Attracting Talents "111" Base, Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University , Chongqing, China.

Purpose: This study aimed to investigate whether magnolin (MGL) possesses the capability of suppressing inflammatory responses that can in turn alleviate osteoarthritis (OA).

Methods: We investigated the effects of MGL on the viability of rat chondrocytes at concentrations of 5 to 100 µM, and selected 10 µM for further study. We elucidated the molecular mechanisms and signaling pathways mediating these effects via RNA sequencing, qRT-PCR, immunofluorescent staining, and Western blotting techniques. Read More

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http://dx.doi.org/10.1080/03008207.2020.1778679DOI Listing

One sixth of primary anterior cruciate ligament reconstructions may undergo reoperation due to complications or new injuries within 2 years.

Knee Surg Sports Traumatol Arthrosc 2020 Jun 29. Epub 2020 Jun 29.

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

Purpose: To analyse the incidence, types and risk factors for reoperation within 2 years of primary anterior cruciate ligament reconstruction (ACLR).

Methods: Our clinic registry was used to identify primary ACLRs, performed from 2005 to 2015, and reoperations performed on the ipsilateral knee within 2 years at our institution. Reoperations were identified using procedural codes and analysis of medical records. Read More

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http://dx.doi.org/10.1007/s00167-020-06127-wDOI Listing

Do Older Skiers Have Worse Outcomes After Anterior Cruciate Ligament Reconstruction Compared With Non-Skiers or Younger Skiers?

Orthop J Sports Med 2020 Jun 16;8(6):2325967120923868. Epub 2020 Jun 16.

University of Colorado School of Medicine, Department of Orthopedics, Division of Sports Medicine and Shoulder Surgery, Aurora, Colorado, USA.

Background: There remains a paucity of literature comparing clinical outcomes after anterior cruciate ligament reconstruction (ACLR) between skiers and non-skiers, particularly in older patient populations.

Purpose: To compare clinical outcomes after ACLR between skiers and non-skiers, with a subanalysis based on age.

Study Design: Cohort study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/2325967120923868DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7298430PMC

Patient-reported evaluation on giving way is important for return to preinjury activity level after Anterior Cruciate Ligament reconstruction.

Knee Surg Sports Traumatol Arthrosc 2020 Jun 27. Epub 2020 Jun 27.

Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Gunma, Japan.

Purpose: The present study evaluated the rate of returning to the preinjury level of competitive sports after ACLR and influential factors.

Methods: After excluding composite ligament injury cases, 96 patients with a Tegner activity score of ≥ 6 who were managed between April 2015 and March 2016 and had been followed for ≥ 2 years were included in the present study. The patients were evaluated for instability, and the following data were collected: second-look arthroscopy findings, muscle strength, and International Knee Documentation Committee (IKDC) subjective score (follow-up rate: 88. Read More

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http://dx.doi.org/10.1007/s00167-020-06111-4DOI Listing

Females Have Earlier Muscle Strength and Functional Recovery After Bridge-Enhanced Anterior Cruciate Ligament Repair.

Tissue Eng Part A 2020 Jun 25. Epub 2020 Jun 25.

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

While a sex effect on outcomes following anterior cruciate ligament (ACL) reconstruction surgery has been previously documented, less is known following bridge-enhanced ACL repair (BEAR). We hypothesized that female sex would have significantly worse early functional outcomes and higher retear rates following primary repair of the ACL enhanced with a tissue-engineered scaffold. Sixty-five patients (28 males and 37 females), age 14-35 with a complete ACL tear underwent primary repair of the ACL enhanced with a tissue-engineered scaffold (bridge-enhanced ACL repair) within 45 days of injury. Read More

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http://dx.doi.org/10.1089/ten.tea.2020.0057DOI Listing

Assessment of luteinizing hormone receptor expression in structural support tissues of canine hip and femorotibial joints.

Am J Vet Res 2020 Jul;81(7):565-571

Objective: To determine whether luteinizing hormone receptors (LHRs) are expressed in canine femoral head subchondral bone (FHSB), hip joint round ligament (RL), cranial cruciate ligament (CCL), and femorotibial joint synovium (FJS) specimens.

Sample: 1 specimen each of the FHSB, RL, CCL, and FJS obtained from the left hind limbs of 19 fresh canine cadavers.

Procedures: 1 section of each FHSB, RL, CCL, and FJS specimen was processed with rabbit polyclonal IgG anti-human LHR antibody, and 1 section was treated with negative control reagents. Read More

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http://dx.doi.org/10.2460/ajvr.81.7.565DOI Listing

Differences between the Craig's test and computed tomography in measuring femoral anteversion in patients with anterior cruciate ligament injuries.

J Phys Ther Sci 2020 Jun 2;32(6):365-369. Epub 2020 Jun 2.

Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, Japan.

[Purpose] This study aimed to compare the Craig's test and computed tomography (CT) in measuring the femoral anteversion angle (FAA) in patients with anterior cruciate ligament (ACL) injuries. The relationship between the FAA measured on CT, and the range of axial rotation of the hip joint and muscle tightness around the hip joint was also investigated. [Participants and Methods] Twenty-six patients who received CT examination within 3 months after ACL reconstruction were enrolled in this study. Read More

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http://dx.doi.org/10.1589/jpts.32.365DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7276780PMC

Radiological Identification of Injury to the Kaplan Fibers of the Iliotibial Band in Association With Anterior Cruciate Ligament Injury.

Am J Sports Med 2020 Jun 24:363546520931854. Epub 2020 Jun 24.

OrthoSport Victoria Research Unit, Richmond, Australia.

Background: Recent biomechanical studies have demonstrated that the Kaplan fibers (KFs) of the iliotibial band play a role in the control of anterolateral rotation of the knee. However, controversy exists regarding whether the KFs are injured in conjunction with anterior cruciate ligament (ACL) injury.

Purpose: To establish the prevalence of radiological injury to the KFs in the ACL-injured knee; to evaluate the effect of the time interval between injury and magnetic resonance imaging (MRI) on diagnosis of KF injury; and to assess for any association between KF injury and other qualitative radiological findings. Read More

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http://dx.doi.org/10.1177/0363546520931854DOI Listing

Physeal Sparing Anterior Cruciate Ligament Reconstruction in Skeletally Immature Patients Bridging the Tibial Physis With Two Divergent Tunnels.

Arthrosc Tech 2020 Jun 14;9(6):e747-e754. Epub 2020 May 14.

Clínica Espejo, Málaga, Spain.

A technique for anterior cruciate ligament (ACL) reconstruction in patients with open physis is presented. The patient is positioned supine with the knee flexed 90°. After intraarticular injuries are addressed, an autologous hamstring graft is harvested and prepared using a suspension device attached in its expansion device. Read More

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http://dx.doi.org/10.1016/j.eats.2020.02.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7301271PMC

Femoral Physeal-Sparing Anterior Cruciate Ligament Reconstruction Using the Iliotibial Band: Over-The-Top Technique.

Arthrosc Tech 2020 Jun 4;9(6):e691-e695. Epub 2020 May 4.

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

Anterior cruciate ligament injuries are increasingly frequent in skeletally immature patients. However, treatment within this subpopulation remains controversial. Conventional transphyseal reconstruction techniques have been questioned because of potential physeal injuries. Read More

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http://dx.doi.org/10.1016/j.eats.2020.01.025DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7301212PMC

Examining the Influence of Attentional Focus on the Effects of a Neuromuscular Training Program in Male Athletes.

J Strength Cond Res 2020 Jun 17. Epub 2020 Jun 17.

Department of Physiotherapy, Human Physiology and Anatomy, Vrije Universiteit Brussel, Brussels, Belgium.

Ghanati, HA, Letafatkar, A, Almonroeder, TG, and Rabiei, P. Examining the influence of attentional focus on the effects of a neuromuscular training program in male athletes. J Strength Cond Res XX(X): 000-000, 2020-Neuromuscular training programs that incorporate lower extremity strengthening, plyometric exercises, balance training, and movement retraining are recommended for anterior cruciate ligament injury prevention; however, there is a need to improve their effectiveness. Read More

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http://dx.doi.org/10.1519/JSC.0000000000003681DOI Listing

Partial resection of the infrapatellar fat pad during anterior cruciate ligament reconstruction has no effect on clinical outcomes including anterior knee pain.

Arch Orthop Trauma Surg 2020 Jun 22. Epub 2020 Jun 22.

Department of Orthopaedic Surgery, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8641, Japan.

Background: Anterior knee pain (AKP) is a major complication that occurs after anterior cruciate ligament reconstruction (ACLR), even when hamstring tendon (HT) grafts are used. Damage to the infrapatellar fat pad (IPFP) during arthroscopy can cause AKP. The purpose of this study was to evaluate the influence of IPFP preservation on clinical outcomes, including AKP, in patients who underwent ACLR with HT autografts using the inside-out technique. Read More

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http://dx.doi.org/10.1007/s00402-020-03520-5DOI Listing

Symmetries in Muscle Torque and Landing Kinematics Are Associated With Maintenance of Sports Participation at 5 to 10 Years After ACL Reconstruction in Young Men.

Orthop J Sports Med 2020 Jun 9;8(6):2325967120923267. Epub 2020 Jun 9.

The Academic College at Wingate, Netanya, Israel.

Background: Long-term maintenance of sports participation is important for young men undergoing anterior cruciate ligament (ACL) reconstruction. Identifying biomechanical characteristics in patients who achieve this goal can assist in elaborating rehabilitation programs and in identifying successful recovery, but this has rarely been investigated.

Purpose: To test the association between maintenance of sports participation at 5 to 10 years after ACL reconstruction and measures of force production and landing biomechanics in men. Read More

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http://dx.doi.org/10.1177/2325967120923267DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7285949PMC

PATIENTS FOCUS ON PERFORMANCE OF PHYSICAL ACTIVITY, KNEE STABILITY AND ADVICE FROM CLINICIANS WHEN MAKING DECISIONS CONCERNING THE TREATMENT OF THEIR ANTERIOR CRUCIATE LIGAMENT INJURY.

Int J Sports Phys Ther 2020 May;15(3):441-450

Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.

Background: When deciding medical treatment, patients' perspectives are important. There is limited knowledge about patients' views when choosing non-operative treatment or anterior cruciate ligament (ACL) reconstruction (ACLR) after ACL injury.

Purpose: To describe reasons that influenced patients' decisions for non-operative treatment or ACLR after ACL injury. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7297003PMC

INCORPORATING A DUAL-TASK ASSESSMENT PROTOCOL WITH FUNCTIONAL HOP TESTING.

Int J Sports Phys Ther 2020 May;15(3):407-420

School of Education Research Center, University of South Dakota, Vermillion, SD, USA.

Background: Hop tests are commonly used within a testing battery to assess readiness for return to sport after anterior cruciate ligament (ACL) injury, yet athletes still experience a high rate of re-injury. Simultaneous performance of a secondary task requiring cognitive processing or decision-making may test the athlete under more realistic contexts.

Purpose: To examine a clinically feasible, dual-task assessment paradigm applied during functional hop tests in healthy individuals. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7296994PMC

TUCK JUMP SCORE IS NOT RELATED TO HOPPING PERFORMANCE OR PATIENT-REPORTED OUTCOME MEASURES IN FEMALE SOCCER PLAYERS.

Int J Sports Phys Ther 2020 May;15(3):395-406

Unit of Physiotherapy, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.

Background: The tuck jump assessment was developed to identify players at risk for anterior cruciate ligament (ACL) injuries or gauge a player's progress through rehabilitation after ACL reconstruction. A tuck jump score of ≥ 6 out of 10 has been labeled poor and thought to identify players with high risk landing patterns.

Purpose: The purpose of this exploratory study was to examine if there was a relationship between tuck jump score, particularly tuck jump scores ≥ 6, hopping performance, and patient-reported outcome measures in female soccer players with ACL reconstruction (ACLR) and knee-healthy controls. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7297000PMC

Clinical and electrophysiological assessment of injury to infrapatellar branch(es) of saphenous nerve during anterior cruciate ligament reconstruction using oblique incision for hamstring graft harvest: A prospective study.

Knee 2020 Jun 11;27(3):709-716. Epub 2020 May 11.

Department of Neurology, All India Institute of Medical Sciences, New Delhi, India. Electronic address:

Background: One of the complications of arthroscopic reconstruction of anterior cruciate ligament (ACL) using hamstring autograft is injury to the infrapatellar branch of the saphenous nerve (IPBSN) leading to loss of sensation around the knee. Its incidence varies according to the orientation of incision for hamstring graft harvest, with oblique incision having the lowest chance of this injury. Aim of this study was to assess clinically and electrophysiologically injury to IPBSN after ACL reconstruction using oblique incision for hamstring graft harvest. Read More

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http://dx.doi.org/10.1016/j.knee.2020.04.021DOI Listing

Systematic video analysis of ACL injuries in professional male football (soccer): injury mechanisms, situational patterns and biomechanics study on 134 consecutive cases.

Br J Sports Med 2020 Jun 19. Epub 2020 Jun 19.

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

Background: A few small studies have reported on the mechanisms of ACL injury in professional male football.

Aim: To describe the mechanisms, situational patterns and biomechanics (kinematics) of ACL injuries in professional male football matches.

Methods: We identified 148 consecutive ACL injuries across 10 seasons of professional Italian football. Read More

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http://dx.doi.org/10.1136/bjsports-2019-101247DOI Listing

Preoperative prediction of autologous hamstring graft diameter in anterior cruciate ligament reconstruction.

Rev Esp Cir Ortop Traumatol 2020 Jun 16. Epub 2020 Jun 16.

Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España.

Background And Objective: Currently, there is no stablished pre-operative model that helps the orthopaedic surgeon predict the final graft diameter in anterior cruciate ligament reconstruction (ACLR). The purpose of this study was to determine whether there is a correlation between semitendinosus (ST) and gracilis (GT) cross-sectional area (CSA) evaluated pre-operatively in mm using magnetic resonance imaging (MRI) and the final intra-operative ST-GT autograft diameter in mm.

Methods: A retrospective study was designed, 89 patients undergoing ACLR with hamstring autograft participated. Read More

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http://dx.doi.org/10.1016/j.recot.2020.04.009DOI Listing

Current clinical practice and return-to-sport criteria after anterior cruciate ligament reconstruction: a survey of Brazilian physical therapists.

Braz J Phys Ther 2020 Jun 4. Epub 2020 Jun 4.

Department of Physical Therapy, School of Physical Education, Physical Therapy and Occupational Therapy, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil. Electronic address:

Background: Adherence to the use of recommended measures/criteria for return to sport clearance after anterior cruciate ligament reconstruction is crucial for successful rehabilitation.

Objectives: The purpose of this study was to describe the current clinical practice of Brazilian physical therapists that treat patients after anterior cruciate ligament reconstruction , including the measures/criteria used to support the decision-making process regarding return to sport. The secondary aim was to investigate factors associated with the use of the most recommended measures/criteria for RTS. Read More

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http://dx.doi.org/10.1016/j.bjpt.2020.05.014DOI Listing

Anterior cruciate ligament reconstruction reinitiates an inflammatory and chondrodegenerative process in the knee joint.

J Orthop Res 2020 Jun 19. Epub 2020 Jun 19.

Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

Anterior cruciate ligament (ACL) injury leads to a sustained increase in synovial fluid concentrations of inflammatory cytokines and biomarkers of cartilage breakdown. While this has been documented post-injury, it remains unclear whether ACL reconstruction surgery contributes to the inflammatory process and/or cartilage breakdown. This study is a secondary analysis of 14 patients (nine males/five females, mean age = 9, mean BMI = 28) enrolled in an IRB-approved randomized clinical trial. Read More

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http://dx.doi.org/10.1002/jor.24783DOI Listing

Adjustable Loop Femoral Cortical Suspension Devices for Anterior Cruciate Ligament Reconstruction: A Systematic Review.

Indian J Orthop 2020 Jul 13;54(4):426-443. Epub 2020 Jan 13.

Western Sussex Hospitals NHS Foundation Trust, West Sussex, UK.

Background: Anterior cruciate ligament (ACL) injury is a common sports injury. Symptomatic knee instability after this injury is usually treated operatively through ACL reconstruction. The surgery involves a tendon graft being fixed in bony tunnels drilled through femur and tibia. Read More

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http://dx.doi.org/10.1007/s43465-019-00022-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7270319PMC

Resolution of Pain and Predictors of Postoperative Opioid use after Bridge-Enhanced Anterior Cruciate Ligament Repair and Anterior Cruciate Ligament Reconstruction.

Arthrosc Sports Med Rehabil 2020 Jun 14;2(3):e219-e228. Epub 2020 May 14.

Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children's Hospital Boston, Massachusetts, U.S.A.

Purpose: To compare postoperative pain scores and opioid use between patients undergoing a standard arthroscopic anterior cruciate ligament reconstruction (ACLR) using hamstring autograft with those undergoing a suture repair augmented with an extracellular matrix scaffold (bridge-enhanced ACL repair) performed through an arthrotomy and to determine factors predictive of postoperative opioid use and levels of overprescription.

Methods: A nonrandomized controlled trial was conducted with 20 patients (10 ACLR, 10 bridge-enhanced ACL repair), aged 18 to 35 years. All surgeries were performed by a single surgeon. Read More

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http://dx.doi.org/10.1016/j.asmr.2020.02.004DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7283945PMC

Sex-Specific Analysis at Two Time Points in Three High-Impact Orthopaedic Sports Medicine Journals.

Arthrosc Sports Med Rehabil 2020 Jun 28;2(3):e207-e212. Epub 2020 Apr 28.

Department of Orthopaedic Surgery, Tulane University School of Medicine, New Orleans, Louisiana, U.S.A.

Purpose: To determine how well the orthopaedic sports medicine literature reported sex-specific analysis (SSA) in 2011 and 2016.

Methods: The 3 highest-impact orthopaedic sports medicine subspecialty journals (; ; and , ) were selected for review. Two independent investigators reviewed all journal issues published during 2 different calendar years (2011 and 2016). Read More

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http://dx.doi.org/10.1016/j.asmr.2020.02.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7283966PMC

Dynamic Between-Leg Differences While Walking in Anterior Cruciate Ligament-Deficient Patients With and Without Medial Meniscal Posterior Horn Tears.

Orthop J Sports Med 2020 May 22;8(5):2325967120919058. Epub 2020 May 22.

Beijing Key Laboratory of Sports Injuries, Institute of Sports Medicine, Peking University Third Hospital, Beijing, China.

Background: Patients with anterior cruciate ligament-deficient (ACLD) knees with medial meniscal posterior horn tears (MMPHTs) have been reported to demonstrate a combined stiffening and pivot-shift gait pattern compared with healthy controls. Movement asymmetries are implicated in the development and progression of osteoarthritis.

Purpose: To investigate the knee kinematics and kinetic asymmetries in ACLD patients with (ACLD + MMPHT group) and without (ACLD group) MMPHTs while walking on level ground. Read More

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http://dx.doi.org/10.1177/2325967120919058DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7249581PMC

Revision Anterior Cruciate Ligament Reconstruction after Surgical Management of Multiligament Knee Injury.

J Knee Surg 2020 Jun 16. Epub 2020 Jun 16.

Department of Orthopaedic Surgery, University of Missouri, Columbia, Missouri.

The purpose of this study is to determine factors associated with the need for revision anterior cruciate ligament reconstruction (ACLR) after multiligament knee injury (MLKI) and to report outcomes for patients undergoing revision ACLR after MLKI. This involves a retrospective review of 231 MLKIs in 225 patients treated over a 12-year period, with institutional review board approval. Patients with two or more injured knee ligaments requiring surgical reconstruction, including the ACL, were included for analyses. Read More

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http://dx.doi.org/10.1055/s-0040-1712969DOI Listing

Comment on "Biomechanical Evaluation of Preoperative Rehabilitation in Patients of Anterior Cruciate Ligament Injury".

Orthop Surg 2020 Jun 15. Epub 2020 Jun 15.

Department of Sports Medicine, The First Affiliated Hospital of Shenzhen University, Health Science Center; Shenzhen Second People's Hospital, Shenzhen, China.

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http://dx.doi.org/10.1111/os.12715DOI Listing

Comparison of four methods for determining the cut-off frequency of accelerometer signals in able-bodied individuals and ACL ruptured subjects.

Gait Posture 2020 Jun 6;80:217-222. Epub 2020 Jun 6.

School of Kinesiology, Faculty of Medicine, Univesity of Montreal, Montreal, Canada. Electronic address:

Background: Selecting the appropriate cut-off frequency to filter triaxial accelerometric data is a challenging issue in gait analyses. It reduces soft tissues artifacts and the variability in the kinematic data waveform from able-bodied and physically impaired gaits.

Research Question: Are cut-off frequencies estimated by four filtering methods similar along each axis of a triaxial accelerometer and for able-bodied subjects and those with an anterior cruciate ligament rupture (ACLR)?

Methods: After walking on a treadmill, the cut-off frequency for the tibial accelerations was calculated using 95 and 99 per cent of the energy spectrum (E), residual analysis (RA) and, the method (Yu) proposed by Yu et al. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2020.06.009DOI Listing
June 2020
2.752 Impact Factor

[Biomechanical comparison of single-bundle and anatomical double-bundle reconstructions for grade medial collateral ligament injury].

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2020 Jun;34(6):720-725

Guangzhou Medical University, Guangzhou Guangdong, 511436, P.R.China;Department of Sports Medicine, Second People's Hospital, Shenzhen Guangdong, 518002, P.R.China.

Objective: To evaluate and compare knee joint stability of grade Ⅲ medial collateral ligament (MCL) injury treated by single-bundle and anatomical double-bundle reconstruction methods, thus providing biomechanical basis for clinical treatment.

Methods: Nine fresh cadaver specimens of normal human knee joints were randomly divided into 3 groups on average. In intact MCL group: The anterior cruciate ligament (ACL) was detached and reconstructed with single-bundle techniques, and the MCL was intact. Read More

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http://dx.doi.org/10.7507/1002-1892.201911057DOI Listing

Collagen fibril diameter distribution affects permeability of ligament tissue: A computational study on healthy and injured tissues.

Comput Methods Programs Biomed 2020 Jun 3;196:105554. Epub 2020 Jun 3.

Department of Chemical & Materials Engineering, Nazarbayev University, 53 Kabanbay Batyr Ave, Nur-Sultan, Kazakhstan; Department of Mechanical Engineering, University of West Attica, Thivon 250, 12241 Aigaleo, Greece. Electronic address:

Background and objective In avascular or hypovascular tissues, elements required for maintaining tissue functions are recruited through diffusion, which is highly related with the permeability of the extracellular matrix in health and injury. Here, we investigate the effect of collagen fibril diameter distribution of bovine Anterior Cruciate Ligament (ACL) tissue on the hydraulic permeability of the matrix. Based on the fact that the diameter distribution is significantly different between healthy and injured ACL tissues, our study aims to investigate the effect of such variability on the hydraulic permeability. Read More

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http://dx.doi.org/10.1016/j.cmpb.2020.105554DOI Listing

Loop changes after knee flexion-extension movement in a cadaveric anterior cruciate reconstruction model.

Chin Med J (Engl) 2020 Jun 9. Epub 2020 Jun 9.

Institute of Sports Medicine, Peking University Third Hospital, Beijing Key Laboratory of Sports Injuries, Beijing 100191, China.

Background: Recently, adjustable-loop devices (ALDs) have been widely used, and their reliability has always been the focus of attention. This study compared loop length changes under pull stress caused by flexion and extension of the cadaver knee between ALDs and fixed-loop devices (FLDs) in terms of femoral fixation after anterior cruciate ligament (ACL) reconstruction.

Methods: ACL reconstruction in cadaveric knee joints was performed under arthroscopy with femoral suspension devices and tibial fixation by tying sutures on staples. Read More

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http://dx.doi.org/10.1097/CM9.0000000000000907DOI Listing

Predictive factors for failure of anterior cruciate ligament reconstruction via the trans-tibial technique.

Arch Orthop Trauma Surg 2020 Jun 11. Epub 2020 Jun 11.

Department of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul, 06973, South Korea.

Introduction: Factors for graft failure after trans-tibial (TT) ACL reconstruction, including anterolateral ligament (ALL) injury and degree of synovialization, remain unclear. This study is to evaluate the risk factors for graft failures after TT ACL reconstruction including ALL injury and synovialization.

Materials And Methods: A total 391 patients who underwent primary TT ACL reconstruction were included. Read More

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http://dx.doi.org/10.1007/s00402-020-03483-7DOI Listing

Sex-Based Differences in Anterior Cruciate Ligament Injuries Among United States High School Soccer Players: An Epidemiological Study.

Orthop J Sports Med 2020 May 28;8(5):2325967120919178. Epub 2020 May 28.

Department of Orthopedics and Sports Medicine, Seattle Children's, Seattle, Washington, USA.

Background: Anterior cruciate ligament (ACL) tears are common among high school athletes, with sex-based differences accounting for higher injury rates in girls. Previous epidemiological studies on ACL injuries focusing on adolescent athletes have looked at injuries across multiple sports, but few have analyzed ACL tears in solely high school soccer athletes.

Purpose: To examine sex-based differences in the epidemiology of ACL injuries among high school soccer players in the United States (US). Read More

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http://dx.doi.org/10.1177/2325967120919178DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7262988PMC

All arthroscopic medial meniscus inside out repair- Technical note.

J Clin Orthop Trauma 2020 May 9;11(Suppl 3):S414-S417. Epub 2020 Apr 9.

Ortho One Orthopaedic Speciality Hospital, 657, Trichy Road, Singanallur, Coimbatore, Tamil Nadu, India.

Concomitant meniscal injuries are common in patients with anterior cruciate ligament (ACL) insufficiency. Along with ACL reconstruction, meniscal repair offers better outcomes. This requires multiple incisions for both procedures. Read More

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http://dx.doi.org/10.1016/j.jcot.2020.03.027DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7275265PMC

Anterior cruciate ligament tear due to non-contact mode of injury associated with higher incidence of meniscal and chondral damage.

J Clin Orthop Trauma 2020 May 23;11(Suppl 3):S342-S345. Epub 2019 Jul 23.

Department of Orthopaedics, Government Medical College Hospital, Chandigarh, India.

Background: Forces acting on the knee are different in contact and non-contact mode of injuries causing anterior cruciate ligament (ACL) tear. Purpose of this study was to determine the effect of mode of injury on the occurrence of meniscal tear and chondral damage in ACL tear.

Method: 72 athletes with acute ACL injury (<3 months) were enrolled in the study. Read More

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http://dx.doi.org/10.1016/j.jcot.2019.07.012DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7275271PMC

Analysis of partial bundle anterior cruciate ligament tears- diagnosis and management with ACL augmentation.

J Clin Orthop Trauma 2020 May 29;11(Suppl 3):S337-S341. Epub 2019 Aug 29.

Dept. of Orthopedics, IMS, BHU, Varanasi, India.

Objectives: Partial ACL tears are increasingly recognized in young active patients. They can evolve into complete tears. Controversy exists regarding the need to spare intact ACL bundle as it has its advantages considering biomechanical strength, blood supply and proprioception. Read More

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http://dx.doi.org/10.1016/j.jcot.2019.08.018DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7275279PMC

Return to sport activity after anterior cruciate ligament reconstruction: A 6-10 years follow-up.

J Clin Orthop Trauma 2020 May 19;11(Suppl 3):S319-S325. Epub 2019 Oct 19.

Orthopedic Research Center, Guilan University of Medical Sciences, Rasht, Iran.

Background: Nowadays, patients widely accept anterior cruciate ligament (ACL) reconstructive surgery. However, its long-term complications are still under investigation in athletes. Therefore, the aim of this study was to evaluate long-term ACL reconstruction especially in athletes. Read More

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http://dx.doi.org/10.1016/j.jcot.2019.09.023DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7275270PMC

Better reporting standards are needed to enhance the quality of hop testing in the setting of ACL return to sport decisions: a narrative review.

Br J Sports Med 2020 Jun 10. Epub 2020 Jun 10.

Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA.

Background/aim: There is a lack of consistency in return to sport (RTS) assessments, in particular hop tests to predict who will sustain a reinjury following anterior cruciate ligament (ACL) reconstruction. Inconsistent test battery content and methodological heterogeneity might contribute to variable associations between hop test performance and subsequent injury. Our aim was to investigate whether commonly used hop tests are administered in a consistent manner and in accordance with reported guidelines. Read More

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http://dx.doi.org/10.1136/bjsports-2019-101245DOI Listing

The risk of concomitant injuries of the contralateral side in valgus injured knee by lateral bumper impact - "Windswept injury mechanism".

Injury 2020 May 6. Epub 2020 May 6.

Department of Orthopaedics Surgery, Gil Medical Center, Gachon University College of Medicine, Incheon, Republic of Korea. Electronic address:

Purpose: Valgus injury of high energy of the lateral bumper impact can lead blows to the inside of the knee that push the knee outwards or indirect injury where a varus force is applied to the contralateral knee, which injury pattern named as "Windswept injury mechanism" in this study. The objective of this study was to establish injury pattern in the contralateral side knee on the basis of this pattern recognition to enhance a diagnosis of interrelated osseous and soft-tissue injuries.

Methods: Sixteen patients by "Windswept injury mechanism" were identified, who visited a level 1 trauma center between Jan 2007 and Dec 2016. Read More

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http://dx.doi.org/10.1016/j.injury.2020.03.062DOI Listing

Long-Term Follow-up of Skeletally Immature Patients With Physeal-Sparing Combined Extra-/Intra-articular Iliotibial Band Anterior Cruciate Ligament Reconstruction: A 3-Dimensional Motion Analysis.

Am J Sports Med 2020 Jul 10;48(8):1900-1906. Epub 2020 Jun 10.

Division of Sports Medicine, Department of Orthopedics, Boston Children's Hospital, Boston, Massachusetts, USA.

Background: The physeal-sparing iliotibial band (ITB) anterior cruciate ligament (ACL) reconstruction (ACLR) is a well-established technique for treating skeletally immature patients with ACL rupture. However, the long-term implications of the procedure on the intricacies of kinetic and kinematic function of the knee have not been comprehensively investigated.

Purpose: To assess the short-, mid-, and long-term effects of ITB ACLR on kinetic and kinematic parameters of knee functions. Read More

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http://dx.doi.org/10.1177/0363546520927399DOI Listing

Muscle fiber conduction velocity in the vastus lateralis and medialis muscles of soccer players after ACL reconstruction.

Scand J Med Sci Sports 2020 Jun 9. Epub 2020 Jun 9.

Department of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy.

The neural factors underlying the persistency of quadriceps weakness after anterior cruciate ligament reconstruction (ACLR) have been only partially explained. This study examined muscle fiber conduction velocity (MFCV) as an indirect parameter of motor unit recruitment strategies in the vastus lateralis (VL) and medialis (VM) muscles of soccer players with ACLR. High-density surface electromyography (HDsEMG) was acquired from VL and VM in nine soccer players (22. Read More

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http://dx.doi.org/10.1111/sms.13748DOI Listing

Comparing the Responsiveness of the Global Rating Scale With Legacy Knee Outcome Scores: A Delaware-Oslo Cohort Study.

Am J Sports Med 2020 Jul 9;48(8):1953-1960. Epub 2020 Jun 9.

Biomechanics and Movement Science Program, University of Delaware, Newark, Delaware, USA.

Background: The selection of patient-reported outcome measures (PROMs) is essential for obtaining meaningful information to treat a patient, determine a plan of care, and make clinical decisions; however, the process of selecting PROMs for clinical care is difficult, with the need to balance these multiple factors. Variation makes it difficult to compare data across providers and studies.

Hypothesis/purpose: The purpose was to determine the responsiveness of 4 PROMs via effect size and the presence of a ceiling effect in the 5 years after anterior cruciate ligament reconstruction (ACLR). Read More

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http://dx.doi.org/10.1177/0363546520924817DOI Listing