Jacqueline E Baron, Kyle R Duchman, Brian R Wolf, Robert W Westermann
BACKGROUND: This study aimed to (1) compare PROMIS with previously validated legacy instruments and (2) to assess between group differences of PROMIS PF-CAT [Physical Function Computer Adaptive Test] for patients undergoing isolated primary ACL reconstruction [ACLR] vs. primary ACL reconstruction with additional ligamentous intervention [MLIK]. LEVEL OF EVIDENCE: II; Prospective Cohort Study. METHODS: At a single preoperative timepoint, 42 [MLIK] and 73[ACLR] patients completed: Short Form 36 Health Survey (SF-36) Mental (MCS) and Physical Component Summary (PCS), Knee Injury and Osteoarthritis Outcome Score (KOOS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), EuroQol-5 dimensions (EQ-5D) and Marx Knee Scale...
January 13, 2021: Knee
Thomas Clive Edwards, Ali Zain Naqvi, Nina Dela Cruz, Chinmay Gupte
PURPOSE: The purpose of this study was to examine the relationship between posterior tibial slope & lateral meniscal bone angle (LMBA) on anterior cruciate ligament (ACL) tear risk in a pediatric population. METHODS: In this case-control study, non-contact, ACL-injured, pediatric patients with no significant lateral meniscal lesions were age and sex matched in a 1:1 ratio to a group of radiologically normal controls. Knee magnetic resonance imaging (MRI) studies were analysed by 3 independent, blinded observers measuring the medial posterior tibial slope (MTS), lateral posterior tibial slope (LTS) and LMBA...
January 13, 2021: Arthroscopy
Kutalmis Albayrak, Mehmet Ozbey Buyukkuscu, Muhammed Bilal Kurk, Ozan Kaya, Ahmet Kulduk, Abdulhamit Misir
PURPOSE: To evaluate the effects of untreated stable ramp lesions on clinical and functional outcomes, return to sports rates, and complications of patients who underwent anterior cruciate ligament reconstruction. METHODS: A total of 879 patients with anterior cruciate ligament rupture were evaluated. Of these, 66 patients [33 patients with anterior cruciate ligament rupture and stable medial meniscal ramp lesion (ramp + group) and 33 patients with isolated anterior cruciate ligament rupture (ramp - group)] with a minimum 3-year of follow-up were included...
January 15, 2021: Knee Surgery, Sports Traumatology, Arthroscopy
Kazutaka Kinugasa, Masayuki Hamada, Yasukazu Yonetani, Akira Tsujii, Tomohiko Matsuo, Yoshinari Tanaka, Yuta Tachibana, Konsei Shino
PURPOSE: The purpose of this study was to evaluate the change in cross-sectional area (CSA) of bone-patellar tendon-bone (BTB) autografts up to 5 years after the anatomic rectangular tunnel (ART) anterior cruciate ligament reconstruction (ACLR). The changing pattern in CSA might be a potential indicator of the graft remodeling process. METHODS: Ninety-six (62 males, 34 females, mean age 27.0 years) patients were enrolled in this study with a total of 220 MRI scans after ART BTB ACLR to evaluate the CSA of the ACL autografts...
January 15, 2021: Knee Surgery, Sports Traumatology, Arthroscopy
Łukasz Oleksy, Anna Mika, Iwona Sulowska-Daszyk, Daniel Szymczyk, Maciej Kuchciak, Artur Stolarczyk, Radosław Rojek, Renata Kielnar
The anterior cruciate ligament (ACL) is the most frequently injured knee ligament. In previous studies, it was demonstrated that patients following ACL reconstruction may present motor deficits which may be related to increased risk of injury. The objective of the study was to determine whether players who have passed RTS assessment still have deficits in movement patterns or in neuromuscular control after such a serious injury as ACL rupture and reconstruction,. Sixty-five male football players (age 18-25 years), recruited from regional teams, were divided into three groups: (1) ACL group-subjects after ACL rupture and reconstruction (n = 24); (2) Mild Injury (MI) group-subjects after mild lower limb injuries (n = 21); and (3) Control (C) group-subjects without injuries (n = 20)...
January 15, 2021: Scientific Reports
Gian Andrea Lucidi, Alberto Grassi, Stefano Di Paolo, Piero Agostinone, Maria Pia Neri, Luca Macchiarola, Giacomo Dal Fabbro, Stefano Zaffagnini
BACKGROUND: The lateral femoral notch sign (LNS) is a bony impression on the lateral femoral condyle correlated with anterior cruciate ligament (ACL) injury. Its presence is associated with lateral meniscal injury and higher cartilage degradation on the lateral femoral condyle. PURPOSE/HYPOTHESIS: The purpose was to investigate the effect of the presence and magnitude of LNS on rotatory instability. The hypothesis was that a positive LNS is correlated with a high-grade pivot shift (PS)...
January 15, 2021: American Journal of Sports Medicine
Biying Huang, Wenyu Deng, Tao Li, Qi Li
Objective: To systematically review the progress of different methods for femoral tunnel positioning in anterior cruciate ligament (ACL) reconstruction and provide a clinical reference for treatment of ACL rupture. Methods: The literature about the femoral tunnel positioning in ACL reconstruction was widely reviewed. The advantages and disadvantages and the clinical results of each method were summarized. Results: Currently in ACL reconstruction, methods for femoral tunnel positioning include transtibial technique (TT), anteromedial technique (AM), outside-in (OI), modified TT (mTT), and computer assisted surgery...
January 15, 2021: Chinese Journal of Reparative and Reconstructive Surgery
Xing Yun, Yu Wei, Zhongli Li, Yujie Liu, Zhigang Wang, Qiang Zhang, Yang Liu, Min Wei
Objective: To assess the mid-term effectiveness of anterior cruciate ligament (ACL) revision and to analyze the relevant factors that may affect the surgical outcomes. Methods: The clinical data of 24 patients who underwent ACL revision surgery between April 2009 and July 2018 and were followed up for more than 2 years were retrospectively analyzed. There were 20 males and 4 females with a median age of 30 years [interquartile distance (IQR) was (25, 36) years]...
January 15, 2021: Chinese Journal of Reparative and Reconstructive Surgery
Uri Galili, Kevin R Stone
This review describes the first studies on successful conversion of porcine soft-tissue bioprostheses into viable permanently functional tissue in humans. This process includes gradual degradation of the porcine tissue, with concomitant neo-vascularization and reconstruction of the implanted bioprosthesis with human cells and extracellular matrix. Such a reconstruction process is referred to in this review as "humanization". Humanization was achieved with porcine bone-patellar-tendon-bone (BTB), replacing torn anterior-cruciate-ligament (ACL) in patients...
January 12, 2021: Bioengineering
Bryan S Crook, Amber T Collins, Nimit K Lad, Charles E Spritzer, Jocelyn R Wittstein, Louis E DeFrate
Anterior cruciate ligament (ACL) rupture alters knee kinematics and contributes to premature development of osteoarthritis. However, there is limited data regarding the in vivo biomechanical response of tibiofemoral cartilage to activities of daily living (ADLs) in ACL-deficient knees. In this study, eight otherwise healthy participants with chronic unilateral ACL deficiency completed a stress test to assess the effect of 20 min of level treadmill walking at a speed of 2.5 mph on tibiofemoral cartilage in their ACL-deficient and contralateral ACL-intact knees...
December 28, 2020: Journal of Biomechanics
Mohamed Kittani, Barak Haviv, Shai Shemesh, Lee Yaari, Mustafa Yassin, Lea Rath-Wolfson
BACKGROUND: Injuries to the anterior cruciate ligament (ACL) are common and complete tears often fail to heal. ACL reconstruction is considered the surgical gold standard of care for ACL injuries in young active patients. OBJECTIVES: To determine the corresponding morphological and histological features of the torn ACL in different time periods after injury. METHODS: The study included 28 remnant specimens of torn ACLs from patients who had ACL reconstruction surgery of the knee...
January 2021: Israel Medical Association Journal: IMAJ
Mazhar Javed Awan, Mohd Shafry Mohd Rahim, Naomie Salim, Mazin Abed Mohammed, Begonya Garcia-Zapirain, Karrar Hameed Abdulkareem
The most commonly injured ligament in the human body is an anterior cruciate ligament (ACL). ACL injury is standard among the football, basketball and soccer players. The study aims to detect anterior cruciate ligament injury in an early stage via efficient and thorough automatic magnetic resonance imaging without involving radiologists, through a deep learning method. The proposed approach in this paper used a customized 14 layers ResNet-14 architecture of convolutional neural network (CNN) with six different directions by using class balancing and data augmentation...
January 11, 2021: Diagnostics
Burak Gunaydin, Cem Sever, Mehmet Umit Cetin, Abdulkadir Sari, Yasar Mahsut Dincel, Burak Sener, Rustem Varol, Nurettin Heybeli
INTRODUCTION: Sports injuries are increasing today due to the increased interest in sports. The most common injured knee ligament is the anterior cruciate ligament (ACL) in sport injuries. Accordingly, surgical treatment of the ACL is performed frequently. In this study, it was aimed to retrospectively evaluate whether the location of an endobutton on lateral knee radiography was effective on knee functional scores in patients who underwent ACL reconstruction. MATERIALS AND METHODS: One hundred thirty patients who underwent ACL reconstruction between January 2015 and February 2019 were identified...
January 13, 2021: Archives of Orthopaedic and Trauma Surgery
Anthony C Egger, Shital N Parikh, Philip L Wilson, Eric W Edmonds, Michael T Busch, Eric J Wall, Kevin G Shea, Theodore J Ganley
As the number of pediatric and adolescent patients participating in sports continues to increase, so too does the incidence of anterior cruciate ligament (ACL) tears in this population. There is increasing research on pediatric and adolescent ACL tears; hundreds of articles on the topic have been published in the past few years alone. It is important to highlight the most pertinent information in the past decade. In discussing pediatric ACL tears, it is also important to review tibial spine fractures. These injuries are rightfully grouped together because tibial spine fractures often occur with a mechanism of injury similar to that of ACL tears, but typically in a younger age group...
2021: Instructional Course Lectures
Jason A Bartos, R J Frascone, Marc Conterato, Keith Wesley, Charles Lick, Kevin Sipprell, Nik Vuljaj, Aaron Burnett, Bjorn K Peterson, Nicholas Simpson, Kealy Ham, Charles Bruen, Casey Woster, Kari B Haley, Joanna Moore, Brandon Trigger, Lucinda Hodgson, Kim Harkins, Marinos Kosmopoulos, Tom P Aufderheide, Jakub Tolar, Demetris Yannopoulos
Background: We describe implementation, evaluate performance, and report outcomes from the first program serving an entire metropolitan area designed to rapidly deliver extracorporeal membrane oxygenation (ECMO)-facilitated resuscitation to patients with refractory ventricular fibrillation/ventricular tachycardia (VF/VT) out-of-hospital cardiac arrest (OHCA). Methods: This observational cohort study analyzed consecutive patients prospectively enrolled in the Minnesota Mobile Resuscitation Consortium's ECMO-facilitated resuscitation program...
December 2020: EClinicalMedicine
Xiaoxiao Song, Dongyang Chen, Xinsheng Qi, Qing Jiang, Caiwei Xia
PURPOSE: To investigate factors associated with the consumption of a large number of sutures during arthroscopic meniscus repair procedures. METHODS: All patients who received meniscal repair, with or without concomitant anterior cruciate ligament (ACL) reconstruction, in our hospital from January 2015 to December 2019 were included in the current study. Demographic data (sex, age, body mass index (BMI), and injury-to-surgery interval) and surgical data (the site of the tear, side of the meniscus, presence of an ACL rupture or not and the number of sutures) were retrospectively collected from our medical records...
January 12, 2021: BMC Musculoskeletal Disorders
Umile Giuseppe Longo, Kanto Nagai, Giuseppe Salvatore, Eleonora Cella, Vincenzo Candela, Francesca Cappelli, Massimo Ciccozzi, Vincenzo Denaro
There remains little information on the epidemiology of anterior cruciate ligament reconstruction (ACL-R), therefore, we performed an epidemiological evaluation on the ACL-R procedures performed in Italy from 2001 to 2015 to highlight potential disparities in access to healthcare. The National Hospital Discharge records (SDO) maintained at the Italian Ministry of Health were analyzed from 2001 to 2015; 248,234 ACL-Rs were performed in Italy over the 15-year study period in the adult population (starting from 15 years old), and the incidence rate per year in 100,000 persons ranged from 21...
January 10, 2021: Journal of Clinical Medicine
Brooke E Patterson, Christian J Barton, Adam G Culvenor, Randall L Cooper, Kay M Crossley
BACKGROUND: Guided rehabilitation beyond 6-months is rare following anterior cruciate ligament reconstruction (ACLR), despite high prevalence of unacceptable symptoms and quality of life (QoL). Our primary aim was to determine the feasibility of a randomised controlled trial (RCT) evaluating a physiotherapist-guided intervention for individuals 1-year post-ACLR with persistent symptoms. Our secondary aim was to determine if a worthwhile treatment effect could be observed for the lower-limb focussed intervention (compared to the trunk-focussed intervention), for improvement in knee-related QoL, symptoms, and function...
January 11, 2021: BMC Musculoskeletal Disorders
Saud F Alsubaie, Walid Kamal Abdelbasset, Abdulaziz A Alkathiry, Waleed M Alshehri, Mohammed M Azyabi, Basil B Alanazi, Abdulaziz A Alomereni, Faisal Y Asiri
Anterior cruciate ligament (ACL) injury is one of the most common knee injuries that leads to many consequences such as early osteoarthritis and knee joint instability.To explore the association of the types of ACL tear (complete and partial) and side of injury (dominant vs nondominate) with types of playing surfaces, sports, shoes, and mechanism of injuries as well as to determine whether higher levels of fatigue and physical fitness are risk factors for complete ACL tear.This cross-sectional study used a questionnaire to collect information from young male adults with a confirmed ACL injury who were attending rehabilitation programs...
January 8, 2021: Medicine (Baltimore)
T Iwame, T Matsuura, T Okahisa, S Katsuura-Kamano, K Wada, J Iwase, K Sairyo
BACKGROUND: Quadriceps strength recovery after anterior cruciate ligament (ACL) reconstruction is an important criterion for progress in rehabilitation and return to sports. The purpose of this study was to determine whether quadriceps strength to body weight ratio (QS/BW) is a significant indicator for initiating jogging after ACL reconstruction. METHODS: Isokinetic quadriceps strength at 60°/s was measured and a jogging trial was completed 3 months after ACL reconstruction with hamstring tendon autograft in 83 patients (36 male, 47 female; mean age, 26...
January 8, 2021: Knee
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