4,305 results match your criteria Meniscal Injury


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

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

Morphological and ultrastructural analysis of normal, injured and osteoarthritic human knee menisci.

Eur J Histochem 2019 Feb 11;63(1). Epub 2019 Feb 11.

University of Urbino "Carlo Bo", Department of Biomolecular Sciences.

The human meniscus plays a crucial role for transmission and distribution of load across the knee, as well as shock absorption, joint stability, lubrication, and congruity. The aim of this study was to compare the complex geometry, and unique ultrastructure and tissue composition of the meniscus in healthy (control) and pathological conditions to provide understanding of structural changes that could be helpful in the future design of targetted therapies and improvement of treatment indications. We analyzed meniscus samples collected from 3 healthy multi-organ donors (median age, 66 years), 5 patients with traumatic meniscal tear (median age, 41 years) and 3 patients undergoing total knee replacement (TKR) for end-stage osteoarthritis (OA) (median age, 72 years). Read More

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http://dx.doi.org/10.4081/ejh.2019.2998DOI Listing
February 2019
1 Read

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

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

Long-Term Survival Analysis and Outcomes of Meniscal Allograft Transplantation With Minimum 10-Year Follow-Up: A Systematic Review.

Arthroscopy 2019 Feb;35(2):659-667

Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, U.S.A.. Electronic address:

Purpose: To investigate the long-term survivorship rates and functional outcomes of meniscal allograft transplantation (MAT) in patients with minimum 10-year postoperative follow-up.

Methods: Two reviewers independently searched EMBASE, MEDLINE, and PubMed from database inception for literature related to MAT according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Data are reported in a narrative summary fashion with descriptive statistics. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.08.031DOI Listing
February 2019
1 Read

Cost-Effectiveness Analysis of Needle Arthroscopy Versus Magnetic Resonance Imaging in the Diagnosis and Treatment of Meniscal Tears of the Knee.

Arthroscopy 2019 Feb;35(2):554-562.e13

Medical Device Consultants of Ridgewood, Ridgewood, New Jersey, U.S.A.. Electronic address:

Purpose: To determine whether needle arthroscopy (NA) compared with magnetic resonance imaging (MRI) in the diagnosis and treatment of meniscal tears is cost-effective when evaluated over a 2-year period via patient-reported outcomes. The hypothesis is that improved diagnostic accuracy with NA would lead to less costly care and similar outcomes.

Methods: A Markov model/decision tree analysis was performed using TreeAge Pro 2017 software. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.09.030DOI Listing
February 2019
1 Read

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
1 Read

Evaluation of the Knees of Asymptomatic Kangoo Jumpers with MR Imaging.

Magn Reson Med Sci 2019 Jan 31. Epub 2019 Jan 31.

Department of Radiology, Kyrenia University, Dr. Suat Günsel Hospital.

Purpose: The aim of this study is to determine the prevalence of pathologic findings in asymptomatic knees of Kangoo Jumpers by using a 3T MRI and to compare them with age and sex-matched controls who do not regularly participate in any impact sports.

Methods: Both knees of 18 Kangoo Jumpers were examined by 3T MRIs in a total of 36 MRI scans. The control group was comprised of 20 volunteers from the same age group and with similar weights who did not participate in any competitive sports, in a total of 40 MRI scans. Read More

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http://dx.doi.org/10.2463/mrms.mp.2018-0094DOI Listing
January 2019
1 Read

An Abnormal Tibial Position Is Associated With Alterations in the Meniscal Matrix: A 3-Year Longitudinal Study After Anterior Cruciate Ligament Reconstruction.

Orthop J Sports Med 2019 Jan 10;7(1):2325967118820057. Epub 2019 Jan 10.

Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, California, USA.

Background: An altered tibial position is still present despite anterior cruciate ligament (ACL) reconstruction. It has been demonstrated that an abnormal tibial position after an ACL injury may play a role in subsequent injuries to the meniscus, which can lead to early cartilage degeneration.

Purpose: To determine changes in both the tibial position and the meniscal matrix present before and after ACL reconstruction as well as to evaluate the association between these 2 variables in ACL-injured knees 3 years after reconstruction. Read More

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http://dx.doi.org/10.1177/2325967118820057DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6329038PMC
January 2019
1 Read

The Occurrence of Meniscal and Chondral Injury in Two-Stage Revision Anterior Cruciate Ligament Reconstruction: A Consecutive Case Series.

J Knee Surg 2019 Jan 18. Epub 2019 Jan 18.

Focus Clinic Orthopedic Surgery, Haaglanden Medical Center, Den Haag, Zuid-Holland, The Netherlands.

Two-stage revision anterior cruciate ligament (ACL) reconstruction is an effective way to revise suboptimal tunnel-placement allowing for proper graft fixation. However, prolonged increased laxity of the knee may increase the risk of meniscal or chondral injury. It was hypothesized that no additional meniscal or chondral lesions occur in between the two stages of the two-stage revision ACL reconstruction. Read More

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http://dx.doi.org/10.1055/s-0038-1677543DOI Listing
January 2019
1 Read

Influence of Baseline Magnetic Resonance Imaging Features on Outcome of Arthroscopic Meniscectomy and Physical Therapy Treatment of Meniscal Tears in Osteoarthritis.

Am J Sports Med 2019 Jan 17:363546518819444. Epub 2019 Jan 17.

Investigation performed at Brigham and Women's Hospital, Boston, Massachusetts, USA.

Background:: Arthroscopic partial meniscectomy (APM) is used to treat meniscal tears, although its efficacy is controversial.

Purpose:: This study used magnetic resonance imaging (MRI) to determine characteristics that lead to greater benefit from APM and physical therapy (PT) than from PT alone among patients with meniscal tear and knee osteoarthritis.

Study Design:: Cohort study; Level of evidence, 2. Read More

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http://dx.doi.org/10.1177/0363546518819444DOI Listing
January 2019
1 Read
4.362 Impact Factor

Risk Factors for Lateral Meniscus Posterior Root Tears in the Anterior Cruciate Ligament-Injured Knee: An Epidemiological Analysis of 3956 Patients From the SANTI Study Group.

Am J Sports Med 2019 Jan 16:363546518818820. Epub 2019 Jan 16.

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

Background:: Lateral meniscus posterior root tears (LMPRTs) result in loss of hoop forces and significant increases in tibiofemoral contact pressures. Preoperative imaging lacks reliability; therefore, holding an appropriate index of suspicion, based on the epidemiology of and risk factors for LMPRT, may reduce the rate of missed diagnoses.

Purpose:: The primary objectives of this study were to evaluate the incidence of and risk factors for lateral meniscus root lesions in a large series of patients undergoing anterior cruciate ligament (ACL) reconstruction. Read More

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http://dx.doi.org/10.1177/0363546518818820DOI Listing
January 2019
2 Reads
4.362 Impact Factor

Establishing Clinically Significant Outcomes After Meniscal Allograft Transplantation.

Orthop J Sports Med 2019 Jan 4;7(1):2325967118818462. Epub 2019 Jan 4.

Department of Orthopedic Surgery, Rush University Medical Center, Chicago, Illinois, USA.

Background: Traditionally, the primary outcome in meniscal allograft transplantation (MAT) has been long-term survivorship; however, short-term clinically significant outcomes are necessary to fully evaluate patient improvement after surgery.

Purpose: To (1) establish the minimal clinically important difference (MCID) and patient acceptable symptomatic state (PASS) with respect to patient-reported outcome measures (PROMs) and (2) evaluate preoperative and intraoperative variables correlated with achieving these threshold values.

Study Design: Cohort study (diagnosis); Level of evidence, 2. Read More

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http://dx.doi.org/10.1177/2325967118818462DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6322105PMC
January 2019
5 Reads

Functional Outcome and Incidence of Osteoarthritis in Operated Tibial Plateau Fractures.

Arch Bone Jt Surg 2018 Nov;6(6):508-516

Research performed at Pramukhswami Medical College and Shree Krishna Hospital, Karamsad, Anand, India.

Background: In the challenging tibial condyle fractures despite anatomical joint reconstruction, development of osteoarthritis may still occur secondary to the initial articular cartilage and meniscal injury. The aim of the study was to know incidence of osteoarthritis in our operated cases of tibial plateau fracture and to evaluate functional outcome.

Methods: Our operated 60 patients of tibial plateau fractures between 2006 to 2013 were evaluated retrospectively. Read More

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6310186PMC
November 2018
1 Read

Meniscus Injuries in the Military Athlete.

J Knee Surg 2019 Feb 10;32(2):123-126. Epub 2019 Jan 10.

John A. Feagin, Jr. Sports Medicine Fellowship, Keller Army Community Hospital, West Point, New York.

Meniscal injuries in the young, active patient are often challenging injuries for the orthopaedic surgeon whose goal is to provide pain-free return to play/military duty and preserve maximal meniscal integrity. In the U.S. Read More

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http://dx.doi.org/10.1055/s-0038-1676959DOI Listing
February 2019
1 Read

Confirming the Presence of Unrecognized Meniscal Injuries on Magnetic Resonance Imaging in Pediatric and Adolescent Patients With Anterior Cruciate Ligament Tears.

J Pediatr Orthop 2019 Jan 8. Epub 2019 Jan 8.

Elite Sports Medicine, Connecticut Children's Medical Center.

Background: Prior research has shown decreased accuracy of meniscal injury detection using magnetic resonance imaging (MRI) for anterior cruciate ligament (ACL)-deficient adult patients as well as ACL-deficient pediatric and adolescent patients. The objectives of this study were the following: (1) assess the diagnostic ability of MRI in detecting meniscal injuries for pediatric and adolescent patients undergoing arthroscopic ACL reconstruction and (2) characterize the unrecognized meniscal injuries.

Methods: The sensitivity, specificity, positive predictive value, and negative predictive value of meniscal tears (medial, lateral, or both) on MRI were calculated for the 107 patients in this cohort. Read More

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http://dx.doi.org/10.1097/BPO.0000000000001331DOI Listing
January 2019
4 Reads

Delayed ACL Reconstruction in Patients ≥40 Years of Age Is Associated With Increased Risk of Medial Meniscal Injury at 1 Year.

Am J Sports Med 2019 Jan 9:363546518817749. Epub 2019 Jan 9.

Tufts Medical Center, Boston, Massachusetts, USA.

Background:: Anterior cruciate ligament (ACL) tears in the pediatric and young adult ACL-deficient knee are often associated with meniscal or chondral injury with delayed time to surgery. The incidence of ACL reconstruction performed in patients aged ≥40 years is rising, and it is unclear if delayed surgery in this cohort similarly affects the health of the meniscus and cartilage.

Purpose:: To evaluate whether delayed reconstruction in a cohort of patients aged ≥40 years is associated with an increased risk of meniscal or chondral injury. Read More

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http://dx.doi.org/10.1177/0363546518817749DOI Listing
January 2019
4 Reads

Introduction of an MR-based semi-quantitative score for assessing partial meniscectomy and relation to knee joint degenerative disease: data from the Osteoarthritis Initiative.

Eur Radiol 2019 Jan 7. Epub 2019 Jan 7.

Musculoskeletal and Quantitative Imaging Research Group, Department of Radiology & Biomedical Imaging, University of California San Francisco, 185 Berry St, Suite 350, San Francisco, CA, 94107, USA.

Objectives: To develop an MR-based semi-quantitative meniscus scoring technique for postoperative assessment of the degree of meniscal resection, to test its reproducibility, and to study the relationship between the amount of resection and degenerative disease burden.

Methods: We studied the right knee of 135 participants from the Osteoarthritis Initiative that underwent meniscal surgery an average of 14 years previously. The amount of meniscal resection was assessed on baseline 3. Read More

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http://dx.doi.org/10.1007/s00330-018-5924-yDOI Listing
January 2019

Editorial Commentary: How to Treat the Overweight Pediatric Patient.

Authors:
Eric C McCarty

Arthroscopy 2019 Jan;35(1):136-137

Boulder, Colorado.

Obese pediatric patients that incur an anterior cruciate ligament tear have an increased risk of an irreparable meniscal tear. Nevertheless, these patients should be treated the same as normal weight patients because they can do very well with standard anterior cruciate ligament reconstruction techniques and appropriate postoperative physical therapy as well as a delayed return to sports of at least 9 months. Obesity is an ever-increasing issue in the United States. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.10.001DOI Listing
January 2019
1 Read

No dynamic extrusion of the medial meniscus in ultrasound examination in patients with confirmed root tear lesion.

Knee Surg Sports Traumatol Arthrosc 2019 Jan 3. Epub 2019 Jan 3.

Klinik für Orthopädie und Unfallchirurgie, Martin Luther Krankenhaus, Berlin, Germany.

Purpose: Extrusion of the medial meniscus evaluated on magnetic resonance imaging (MRI) has been described as indirect radiological sign for meniscus root tears. However, ultrasound detectable dynamic extrusion is observed in normal physiological settings. The aim of the present study was to analyze the dynamic meniscal extrusion using ultrasound (US) examination in patients with MRI-confirmed meniscal root tears. Read More

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http://link.springer.com/10.1007/s00167-018-5341-4
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http://dx.doi.org/10.1007/s00167-018-5341-4DOI Listing
January 2019
6 Reads

Tibiofemoral bone bruise volume is not associated with meniscal injury and knee laxity in patients with anterior cruciate ligament rupture.

Knee Surg Sports Traumatol Arthrosc 2019 Jan 2. Epub 2019 Jan 2.

Clínica do Dragão, Espregueira-Mendes Sports Centre, FIFA Medical Centre of Excellence, Porto, Portugal.

Purpose: This study aimed at evaluating the association between the volume of the bone bruises and the magnitude of knee sagittal laxity and presence of meniscal injury in patients with anterior cruciate ligament (ACL) rupture. It was hypothesized that higher volumes of bone bruises will be associated with increased knee laxity and the presence of meniscal injury.

Methods: Patients with clinical diagnosis of ACL injury were referred for magnetic resonance imaging (MRI) and knee sagittal laxity measurement with a mechanical instrumented device (Porto-Knee Testing Device). Read More

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http://dx.doi.org/10.1007/s00167-018-5343-2DOI Listing
January 2019
2 Reads

[Research progress in diagnosis and treatment of injury of the popliteal meniscal fiber bundle].

Zhongguo Gu Shang 2018 Dec;31(12):1180-1182

Department of Orthopaedics, the First Affiliated Hospital of South China University, Hengyang 421001, Hunan, China.

Popliteal meniscal fiber bundle injury is relatively infrequent in clinic, which can be either isolated or associated with anterior cruciate ligament rupture, lateral meniscus injury and so on. Popliteal meniscal fiber bundle injury often leads to instability of lateral meniscus. Because of the lack of specific symptoms and signs of injury, the imaging changes are subtle, and it is easy to miss diagnosis and misdiagnosis in clinical. Read More

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http://dx.doi.org/10.3969/j.issn.1003-0034.2018.06.021DOI Listing
December 2018
8 Reads

Isolated revision meniscal repair - failure rates, clinical outcome, and patient satisfaction.

BMC Musculoskelet Disord 2018 Dec 21;19(1):446. Epub 2018 Dec 21.

Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Albert Ludwigs University Freiburg, Hugstetter Straße 55, 79106, Freiburg, Germany.

Background: Failure of isolated primary meniscal repair must be expected in approximately 10-25% of cases. Patients requiring revision surgery may benefit from revision meniscal repair, however, the results of this procedure remain underreported. The purpose of this study was therefore to evaluate the outcome and failure rates of isolated revision meniscal repair in patients with re-tears or failed healing after previous meniscal repair in stable knee joints. Read More

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http://dx.doi.org/10.1186/s12891-018-2368-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6303960PMC
December 2018
1 Read

The Forced Active Buckling Sign: A New Clinical Test for the Diagnosis of ACL Insufficiency.

J Knee Surg 2018 Dec 21. Epub 2018 Dec 21.

Department of Orthopedic Surgery, University Children's Hospital Basel (UKBB), Basel, Switzerland.

Although insufficiency of the anterior cruciate ligament (ACL) is a frequent result of an injury, validated tests are associated with unsatisfying validity. Moreover, some of these tests are not easy to perform and patient's muscular resistance often limits their reliability. Therefore, with this study, we want to design an accurate test to diagnose an ACL insufficiency, which is independent of the assessor's skills and overcome any muscular resistance. Read More

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http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1676351
Publisher Site
http://dx.doi.org/10.1055/s-0038-1676351DOI Listing
December 2018
12 Reads

Cost-effectiveness of treatments for non-osteoarthritic knee pain conditions: A systematic review.

PLoS One 2018 19;13(12):e0209240. Epub 2018 Dec 19.

Center for General Practice at Aalborg University, Aalborg, Denmark.

Introduction: Knee pain is common in adolescents and adults and is associated with an increased risk of developing knee osteoarthritis. The aim of this systematic review was to gather and appraise the cost-effectiveness of treatment approaches for non-osteoarthritic knee pain conditions.

Method: A systematic review was conducted according to the PRISMA guidelines and registered on PROSPERO (CRD42016050683). Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0209240PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6300294PMC
December 2018
3 Reads

Quadriceps weakness associates with greater T1ρ relaxation time in the medial femoral articular cartilage 6 months following anterior cruciate ligament reconstruction.

Knee Surg Sports Traumatol Arthrosc 2018 Dec 17. Epub 2018 Dec 17.

Department of Orthopaedics, University of North Carolina at Chapel Hill, 102 Mason Farm Rd # 2, Chapel Hill, NC, 27599, USA.

Purpose: Quadriceps weakness following anterior cruciate ligament reconstruction (ACLR) is linked to decreased patient-reported function, altered lower extremity biomechanics and tibiofemoral joint space narrowing. It remains unknown if quadriceps weakness is associated with early deleterious changes to femoral cartilage composition that are suggestive of posttraumatic osteoarthritis development. The purpose of the cross-sectional study was to determine if quadriceps strength was associated with T1ρ relaxation times, a marker of proteoglycan density, of the articular cartilage in the medial and lateral femoral condyles 6 months following ACLR. Read More

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http://dx.doi.org/10.1007/s00167-018-5290-yDOI Listing
December 2018
2 Reads

Relationship Between Time to ACL Reconstruction and Presence of Adverse Changes in the Knee at the Time of Reconstruction.

Orthop J Sports Med 2018 Dec 11;6(12):2325967118813917. Epub 2018 Dec 11.

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

Background: Treatment of patients with anterior cruciate ligament (ACL) injuries is often complicated by secondary damage to the meniscus and cartilage.

Purpose: To assess the association between time from ACL tear to ACL reconstruction (ACLR) and the presence of intra-articular injuries at the time of ACLR, including meniscal tears, irreparable meniscal tears, chondral damage, and knee compartment degenerative changes.

Study Design: Cross-sectional study; Level of evidence, 3. Read More

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http://dx.doi.org/10.1177/2325967118813917DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6293370PMC
December 2018
1 Read

Association between gait mechanics and ultrasonographic measures of femoral cartilage thickness in individuals with ACL reconstruction.

Gait Posture 2018 09 24;65:221-227. Epub 2018 Jul 24.

Department of Kinesiology & Health Science, Utah State University, Logan, UT, USA.

Background: Individuals with anterior cruciate ligament reconstruction (ACLR) are at greater risk for knee osteoarthritis, which may be in part due to altered gait biomechanics. Articular cartilage thickness is typically imaged using magnetic resonance imaging, which is costly and lacks portability. Ultrasonography may provide an alternative imaging method for articular cartilage. Read More

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http://dx.doi.org/10.1016/j.gaitpost.2018.07.174DOI Listing
September 2018
1 Read

The Anterolateral Ligament is Not the Whole Story: Reconsidering the Form and Function of the Anterolateral Knee and its Contribution to Rotatory Knee Instability.

Tech Orthop 2018 Dec 25;33(4):219-224. Epub 2017 Dec 25.

Department of Orthopedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA.

The heterogeneity of available cadaveric, histologic, and radiographic results related to the anterolateral ligament (ALL) does not support its existence as a discrete anatomic structure. Moreover, focusing narrowly on the ALL in isolation, what has previously been referred to as "ALL myopia," obscures a thorough appreciation for the stability contributions of both capsular and extracapsular structures. We consider injury to the soft tissues of the anterolateral knee-the anterolateral complex-just one component of what is frequently found to be a spectrum of pathology observed in the rotationally unstable, anterior cruciate ligament (ACL)-deficient knee. Read More

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http://dx.doi.org/10.1097/BTO.0000000000000303DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6250275PMC
December 2018
7 Reads

Technique for Arthroscopically Assisted Superficial and Deep Medial Collateral Ligament-Meniscotibial Ligament Repair With Internal Brace Augmentation.

Arthrosc Tech 2018 Nov 29;7(11):e1215-e1219. Epub 2018 Oct 29.

Taos Orthopaedic Institute, Taos, New Mexico, U.S.A.

Deep medial collateral ligament (MCL) injury leads to meniscal lift-off and extrusion of the medial meniscus, resulting in instability and increased medial compartment pressures with subsequent cartilage damage. Repair of the deep MCL meniscotibial ligament in concert with superficial MCL repair or reconstruction is intended to restore the native anatomy , stability, and function of the medial meniscus. We present an arthroscopically assisted technique using standard arthroscopy portals and a medial open approach. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S22126287183013
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http://dx.doi.org/10.1016/j.eats.2018.08.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6261746PMC
November 2018
2 Reads

How Do Race and Insurance Status Affect the Care of Pediatric Anterior Cruciate Ligament Injuries?

Clin J Sport Med 2018 Nov 28. Epub 2018 Nov 28.

Division of Orthopaedics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.

Objective: To identify associations between race or insurance status and preoperative, intraoperative, and postoperative findings in a large cohort of pediatric anterior cruciate ligament (ACL) reconstructions.

Design: Retrospective cohort study.

Setting: Division of Orthopaedics at an urban tertiary care children's hospital. Read More

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http://dx.doi.org/10.1097/JSM.0000000000000706DOI Listing
November 2018
8 Reads

Influence of anterolateral ligament injuries on stability and second-look arthroscopic findings after allograft transtibial anterior cruciate ligament reconstruction.

Knee 2018 Dec 6. Epub 2018 Dec 6.

Department of Orthopaedic Surgery, Dankook University College of Medicine, Cheonan, Republic of Korea.

Background: The purpose of this study was to evaluate the influence of anterolateral ligament (ALL) injuries on stability and second-look arthroscopic findings after anterior cruciate ligament (ACL) reconstruction.

Methods: One-hundred and nineteen consecutive patients underwent a second-look arthroscopic surgery after ACL reconstruction and magnetic resonance imaging (MRI) examination of the ALL. The patients were divided into an ALL intact group (n = 39) and ALL injured group (n = 80). Read More

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http://dx.doi.org/10.1016/j.knee.2018.10.003DOI Listing
December 2018
2 Reads

Static Lateral Tibial Plateau Subluxation Predicts High-Grade Rotatory Knee Laxity in Anterior Cruciate Ligament-Deficient Knees.

Am J Sports Med 2018 Dec 7:363546518812435. Epub 2018 Dec 7.

Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.

Background:: In anterior cruciate ligament-deficient (ACL-D) knees, injury pattern and bony morphologic features have been shown to influence both static anterior tibial subluxation relative to the femur and dynamic rotatory knee laxity. Therefore, the relationship between static anterior tibial subluxation and dynamic rotatory knee laxity was investigated.

Purpose:: To determine whether static tibial subluxation as measured on magnetic resonance imaging (MRI) is associated with the grade of rotatory knee laxity in ACL-D knees. Read More

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http://dx.doi.org/10.1177/0363546518812435DOI Listing
December 2018
5 Reads

Quantitative and Qualitative Assessment of the Posterior Medial Meniscus Anatomy: Defining Meniscal Ramp Lesions.

Am J Sports Med 2018 Dec 7:363546518814258. Epub 2018 Dec 7.

The Steadman Clinic, Vail, Colorado, USA.

Background:: Meniscal ramp lesions have been defined as a tear of the peripheral attachment of the posterior horn of the medial meniscus (PHMM) at the meniscocapsular junction or an injury to the meniscotibial attachment. Precise anatomic descriptions of these structures are limited in the current literature.

Purpose:: To quantitatively and qualitatively describe the PHMM and posteromedial capsule anatomy pertaining to the location of a meniscal ramp lesion with reference to surgically relevant landmarks. Read More

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http://journals.sagepub.com/doi/10.1177/0363546518814258
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http://dx.doi.org/10.1177/0363546518814258DOI Listing
December 2018
11 Reads

Editorial Commentary: More Evidence That Anterior Cruciate Ligament Deficiency Contributes to Knee Arthritis-In Search of an Optimal Biomechanical Model.

Authors:
Andrew G Geeslin

Arthroscopy 2018 Dec;34(12):3234-3235

Patients with anterior cruciate ligament (ACL) tears have a greater incidence of knee arthritis than the general population. Acute chondral injury, acute or delayed meniscal pathology, and altered contact mechanics have all been implicated in the development of arthritis. Dynamic models (i. Read More

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http://dx.doi.org/10.1016/j.arthro.2018.08.012DOI Listing
December 2018
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Comparison of T2* mapping between regular echo time and ultrashort echo time with 3D cones at 3 tesla for knee meniscus.

Medicine (Baltimore) 2018 Nov;97(48):e13443

Department of Radiology, Research Institute of Radiological Science, YUHS-KRIBB, Medical Convergence Research Institute, and Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul.

The objectives of this study were to compare the ultrashort T2* relaxation time with the T2* relaxation time using the 3 dimensional (3D) cones sequence in 3 groups of patients with normal, degenerated, and torn knee menisci, and to demonstrate the additional effect of the ultrashort echo time (UTE) signal intensity.Following institutional review board approval, 42 knee magnetic resonance imaging (MRI) scans of 42 patients who presented with knee pain and underwent knee MRIs, with the 3D Cones of UTE sequence (minimum TEs: 32 μs) and a 3T MRI scanner (Discovery 750, GE Healthcare, Waukesha, WI), were analyzed. The enrolled patients were classified into 3 subgroups:normal meniscus on conventional MRI, with no positive meniscus-related physical examination in medical records;meniscal degeneration with signal changes on conventional MRI; andmeniscal tear. Read More

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http://dx.doi.org/10.1097/MD.0000000000013443DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6283210PMC
November 2018
3 Reads

A Systematic Review and Meta-Analysis of Arthroscopic Meniscus Repair in Young Patients: Comparison of All-Inside and Inside-Out Suture Techniques.

Knee Surg Relat Res 2018 Nov 29. Epub 2018 Nov 29.

Department of Orthopaedic Surgery, The Armed Forces Daegu Hospital, Gyeongsan, Korea.

Purpose: The purposes of the present study were to review published studies that investigated arthroscopic meniscus repair to treat meniscus injury in young patients and to compare all-inside and inside-out suture techniques.

Methods: Various electronic databases were queried for published articles, and this search was updated in August 2017 for evaluating the outcomes of arthroscopic meniscus surgery in young patients. Data search, extraction, analysis, and quality assessment were performed according to the Cochrane Collaboration guidelines, and the clinical outcomes were evaluated using various outcome values in young patients according to suture techniques. Read More

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http://dx.doi.org/10.5792/ksrr.17.078DOI Listing
November 2018
2 Reads

Microarray analysis of the molecular mechanisms associated with age and body mass index in human meniscal injury.

Mol Med Rep 2019 Jan 21;19(1):93-102. Epub 2018 Nov 21.

Department of Orthopedic Surgery, Shanghai Fifth People's Hospital Affiliated to Fudan University, Shanghai 200240, P.R. China.

The aim of the present study was to identify genes and functional pathways associated with meniscal injuries affected by age or body mass index (BMI) using microarray analysis. The GSE45233 gene expression dataset with 12 injured meniscus samples associated with age and BMI and GSE66635 dataset with 12 injured and 12 normal meniscus samples were downloaded from the Gene Expression Omnibus database. Differentially expressed genes (DEGs) were identified based on age or BMI in GSE45233. Read More

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http://dx.doi.org/10.3892/mmr.2018.9685DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6297773PMC
January 2019
1 Read

Discoid meniscus in children and adolescents: Correlation between morphology and meniscal tears.

Rev Esp Cir Ortop Traumatol 2019 Jan - Feb;63(1):24-28. Epub 2018 Nov 24.

Departamento de Ortopedia y Traumatología Infantil, Sanatorio Allende, Córdoba, Argentina.

Background: Some authors have suggested that the diminished vascular blood supply, peripheral stability and thickness of the discoid meniscus (DM) would make it more prone to tears. The aims of this study are two-fold: 1) To analyse morphological characteristics by magnetic resonance (MRI), and 2) To correlate the size of the meniscus with the presence of meniscal tears.

Methods: The MRI of patients ≤18 years-old over a period of 5 years were reviewed, and patients with DM were identified. Read More

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http://dx.doi.org/10.1016/j.recot.2018.08.002DOI Listing
November 2018

Knee Injuries in Elite Level Soccer Players.

Am J Orthop (Belle Mead NJ) 2018 Oct;47(10)

Orlando Health Orthopedic Institute, 1222 S. Orange Ave, 5th Floor, Orlando, FL 32806, USA. Email:

As one of the most popular sports in the world, soccer injury rates involving the knee continue to rise. An alarming trend of knee injuries, including increased anterior cruciate ligament ruptures, underscores the need to review our current understanding of these injuries in soccer players. This article includes a critical review of the epidemiology of knee injuries in soccer, anterior cruciate ligament and other ligamentous injuries, cartilage and meniscal injury, post-traumatic osteoarthritis, as well as current prevention initiatives. Read More

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http://dx.doi.org/10.12788/ajo.2018.0088DOI Listing
October 2018
1 Read

Deep-learning-assisted diagnosis for knee magnetic resonance imaging: Development and retrospective validation of MRNet.

PLoS Med 2018 Nov 27;15(11):e1002699. Epub 2018 Nov 27.

Department of Radiology, Stanford University, Stanford, California, United States of America.

Background: Magnetic resonance imaging (MRI) of the knee is the preferred method for diagnosing knee injuries. However, interpretation of knee MRI is time-intensive and subject to diagnostic error and variability. An automated system for interpreting knee MRI could prioritize high-risk patients and assist clinicians in making diagnoses. Read More

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http://dx.plos.org/10.1371/journal.pmed.1002699
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http://dx.doi.org/10.1371/journal.pmed.1002699DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6258509PMC
November 2018
21 Reads

Risk Factors for Concomitant Collateral Ligament Injuries in Children and Adolescents With Anterior Cruciate Ligament Tears.

Orthop J Sports Med 2018 Nov 21;6(11):2325967118810389. Epub 2018 Nov 21.

Investigation performed at the Division of Orthopaedics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.

Background: Risk factors for concomitant ligament injuries (CLIs) of the lateral collateral ligament (LCL) and medial collateral ligament (MCL) in children and adolescents with anterior cruciate ligament (ACL) tears are unknown.

Purpose: To determine whether body mass index (BMI), sex, age, and injury mechanism are associated with CLIs in children and adolescents with ACL tears and whether CLIs are associated with meniscal and chondral injuries and a delay to surgery.

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

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http://dx.doi.org/10.1177/2325967118810389DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6249661PMC
November 2018
1 Read

Incidence, Presentation, and Treatment of Pediatric and Adolescent Meniscal Root Injuries.

Orthop J Sports Med 2018 Nov 8;6(11):2325967118803888. Epub 2018 Nov 8.

Department of Orthopaedic Surgery, University of Texas Southwestern, Dallas, Texas, USA.

Background: Despite the increasing incidence of sports-related knee injuries in youth athletes, few studies have reported on the diagnosis and treatment of pediatric and adolescent meniscal root injuries.

Purpose: To describe traumatic posterior meniscal root injuries in a pediatric and adolescent population and compare the presentation of meniscal root injuries versus that of nonroot injuries.

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

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http://dx.doi.org/10.1177/2325967118803888DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6240976PMC
November 2018
6 Reads

Coping With Anterior Cruciate Ligament Injury From Childhood to Maturation: A Prospective Case Series of 44 Patients With Mean 8 Years' Follow-up.

Am J Sports Med 2018 Nov 26:363546518810750. Epub 2018 Nov 26.

Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.

Background:: There is no consensus regarding the best treatment approach for skeletally immature children with anterior cruciate ligament (ACL) injuries. High-quality studies with long-term follow-up are lacking, and evidence to support decision making is limited.

Purpose:: To evaluate functional and patient-reported outcome, surgical history, and complications among young adults who sustained an ACL injury before the age of 13 years and were treated with active rehabilitation and the option of delayed ACL reconstruction if needed. Read More

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http://dx.doi.org/10.1177/0363546518810750DOI Listing
November 2018
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Innovative treatment of clinically diagnosed meniscal tears: a randomized sham-controlled trial of the Mulligan concept 'squeeze' technique.

J Man Manip Ther 2018 Dec 4;26(5):254-263. Epub 2018 Apr 4.

Orthopedic Department, Jacksonville Physical Therapy, Jacksonville, OR, USA.

The purpose of this study was to assess the effects of the Mulligan Concept (MC) 'squeeze' technique compared to a sham technique in participants with a clinically diagnosed meniscal tear.

A multi-site randomized sham-controlled trial of participants ( = 23), aged 24.91 ± 12. Read More

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http://dx.doi.org/10.1080/10669817.2018.1456614DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6237166PMC
December 2018

Lateral Meniscal Posterior Root Repair With Anterior Cruciate Ligament Reconstruction Better Restores Knee Stability.

Am J Sports Med 2018 Nov 19:363546518808004. Epub 2018 Nov 19.

Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.

Background:: The effect of lateral meniscal posterior root tear and repair-commonly seen in clinical practice in the setting of anterior cruciate ligament (ACL) reconstruction-is not known.

Purpose/hypothesis:: This study evaluated the effect of tear and repair of the lateral meniscal posterior root on the biomechanics of the ACL-reconstructed knee. It was hypothesized that anterior tibial translation would increase under anterior loading and simulated pivot-shift loading with the root tear of the posterior lateral meniscus, while repair of the root tear would reduce it close to the noninjured state. Read More

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http://dx.doi.org/10.1177/0363546518808004DOI Listing
November 2018
14 Reads

Rate of return to agility competition for dogs with cranial cruciate ligament tears treated with tibial plateau leveling osteotomy.

J Am Vet Med Assoc 2018 Dec;253(11):1439-1444

OBJECTIVE To determine rate of and factors associated with return to agility competition for dogs with cranial cruciate ligament (CrCL) rupture treated with tibial plateau leveling osteotomy (TPLO). DESIGN Retrospective case series with nested case-control study. ANIMALS 31 dogs involved in agility competition with CrCL tears treated by TPLO at a private veterinary clinic from 2007 through 2013. Read More

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http://dx.doi.org/10.2460/javma.253.11.1439DOI Listing
December 2018
16 Reads

Correlation of Meniscal Tear with Timing of Anterior Cruciate Ligament Reconstruction in Patients without Initially Concurrent Meniscal Tear.

J Knee Surg 2018 Nov 16. Epub 2018 Nov 16.

Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei, Taiwan.

The incidence of meniscal tear was reported to increase with the delay of anterior cruciate ligament reconstruction (ACLR). The tear may occur concurrently with the ACL injury or after the ACL injury. Few studies had focused on the patients whose meniscus is intact during ACL injury. Read More

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http://www.thieme-connect.de/DOI/DOI?10.1055/s-0038-1675783
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http://dx.doi.org/10.1055/s-0038-1675783DOI Listing
November 2018
10 Reads

The 6-m timed hop test is a prognostic factor for outcomes in patients with meniscal tears treated with exercise therapy or arthroscopic partial meniscectomy: a secondary, exploratory analysis of the Odense-Oslo meniscectomy versus exercise (OMEX) trial.

Knee Surg Sports Traumatol Arthrosc 2018 Nov 16. Epub 2018 Nov 16.

Division of Orthopedic Surgery, Department of Sports Medicine, Oslo University Hospital, The Norwegian School of Sport Sciences, Oslo, Norway.

Purpose: To identify the prognostic factors for 2-year patient-reported outcomes in middle-aged patients with degenerative meniscal tears treated with exercise therapy (ET) or arthroscopic partial meniscectomy (APM).

Methods: One hundred and seven patients, with mean age 49.6 (SD 6. Read More

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http://link.springer.com/10.1007/s00167-018-5241-7
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http://dx.doi.org/10.1007/s00167-018-5241-7DOI Listing
November 2018
7 Reads