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Lina Holm Ingelsrud, Caroline B Terwee, Berend Terluin, Lars-Petter Granan, Lars Engebretsen, Kathryn A G Mills, Ewa M Roos
BACKGROUND: Meaningful change scores in the Knee injury and Osteoarthritis Outcome Score (KOOS) in patients undergoing anterior cruciate ligament (ACL) reconstruction have not yet been established. PURPOSE: To define the minimal important change (MIC) for the KOOS after ACL reconstruction. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: KOOS and anchor questions with 7-point scales ranging from "better, an important improvement" to "worse, an important worsening" were completed postoperatively by randomly chosen participants from the Norwegian Knee Ligament Registry...
March 1, 2018: American Journal of Sports Medicine
Yalda A Kharaz, Elizabeth G Canty-Laird, Simon R Tew, Eithne J Comerford
Tendons and ligaments play key roles in the musculoskeletal system in both man and animals. Both tissues can undergo traumatic injury, age-related degeneration and chronic disease, causing discomfort, pain and increased susceptibility to wider degenerative joint disease. To date, tendon and ligament ultrastructural biology is relatively under-studied in healthy, non-diseased tissues. This information is essential to understand the pathology of these tissues with regard to function-related injury and to assist with the future development of tissue-engineered tendon and ligament structures...
March 2, 2018: Journal of Anatomy
Mark Phillips, Erik Rönnblad, Love Lopez-Rengstig, Eleonor Svantesson, Anders Stålman, Kalle Eriksson, Olufemi R Ayeni, Kristian Samuelsson
PURPOSE: To compare Knee Injury and Osteoarthritis Outcome Score (KOOS) and EuroQol-5D (EQ-5D) subscale scores at 2-year follow-up for patients with primary isolated ACL reconstruction with patients undergoing ACL reconstruction and simultaneous meniscal treatment in terms of either resection or repair in the Swedish National Knee Ligament Register (SNKLR). METHODS: All ACL reconstruction patients within the SNKLR at 2-year follow-up were reviewed. The KOOS and EQ-5D subscales were assessed in four distinct patient groups: isolated ACL reconstruction, ACL reconstruction + medial meniscus resection, ACL reconstruction + lateral meniscus resection, ACL reconstruction + medial meniscus repair, and ACL reconstruction + lateral meniscus repair...
February 28, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Haneul Lee, Jerrold Petrofsky
CONTEXT:   Although much attention has been paid to the effect of estrogen on the knee ligaments, little has been done to examine the ligaments in the foot, such as the plantar fascia and how they may be altered during the menstrual cycle. OBJECTIVE:   To (1) examine sex differences in plantar fascia thickness and laxity and postural sway and (2) identify any menstrual cycle effects on plantar fascia laxity, postural sway, and neuromuscular tremor between menstruation and the ovulation phase...
February 27, 2018: Journal of Athletic Training
Monther A Gharaibeh, Darren B Chen, Samuel J MacDessi
BACKGROUND: Sensor-guided assessment for soft tissue balance in total knee arthroplasty (TKA) has been reported to improve patient satisfaction and self-reported outcome scores. As more surgeons adopt this technology in TKA, we performed this study to identify if there is a learning curve with its use. METHODS: Analysis of a total of 90 consecutive cases was performed in this study. Initial and final intercompartmental pressure differences were recorded before and after knee ligament balancing...
February 18, 2018: ANZ Journal of Surgery
George F Rick Hatch, Diego Villacis, Dhanur Damodar, Michael Dacey, Anthony Yi
We aimed to determine factors that affect the quality of life of patients undergoing a standardized surgical and postoperative management protocol for knee dislocations. A total of 31 patients (33 knees) were included in this study. We contacted patients at a minimum of 12 months postoperatively (mean: 38 months; range, 12-111 months) and administered the previously validated Multiligament Quality of Life questionnaire (ML-QOL), 2000 International Knee Documentation Committee Subjective Knee Form (IKDC), and Lysholm Knee Scoring Scale...
February 12, 2018: Journal of Knee Surgery
Eric Hamrin Senorski, Eleonor Svantesson, Susanne Beischer, Christoffer Thomeé, Alberto Grassi, Ferid Krupic, Roland Thomeé, Jón Karlsson, Kristian Samuelsson
PURPOSE: A better understanding of patient characteristics and the way common concomitant injuries affect the recovery of muscle function after surgery should help providers to treat patients with anterior cruciate ligament (ACL) injuries. The aim of this study was to determine whether patient characteristics, concomitant injuries and graft choice at ACL reconstruction were associated with symmetrical knee muscle function at one year. The hypothesis was that the presence of concomitant injuries would negatively influence the opportunity to achieve symmetrical knee function at the one-year follow-up...
February 5, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Lawrence Camarda, Emanuele Grassedonio, Domenico Albano, Massimo Galia, Massimo Midiri, Michele D'Arienzo
Background: The aim of this study is to evaluate a possible correlation between specific anthropometric parameters and sizes of knee tendons commonly used for ACL reconstruction. We hypothesized that specific clinical and radiological knee measurements could be better tendon sizes predictors than age, gender, height and weight. Materials and methods: 100 consecutive patients were enrolled and 77 patients met the inclusion criteria of the study. All patients underwent a MRI of the knee with a 1...
July 2017: Muscles, Ligaments and Tendons Journal
Alessandro Scattina, Fuhao Mo, Catherine Masson, Massimiliano Avalle, Pierre Jean Arnoux
OBJECTIVE: The work aims at investigating the influence of some front-end design parameters of a passenger vehicle on the behavior and damage occurring in the human lower limbs while impacted in an accident. METHODS: The analysis is carried out by means of finite element analysis using a generic car model for the vehicle and the Lower Limbs Model for Safety (LLMS) for the purpose of pedestrian safety. Considering the pedestrian standardized impact procedure (as in the 2003/12/EC Directive) a parametric analysis, through a DOE plan, was done...
January 30, 2018: Traffic Injury Prevention
Matheus Rocha de Aguiar, Luiza B Horta Barbosa, Márcio B Ferrari, Nicholas I Kennedy, Jacqueline Vieira de Castro, João L Ellera Gomes
The medial collateral ligament is the most commonly injured knee ligament. Valgus stress radiographs are reported to be an effective way to quantify the medial compartment opening. However, most of the techniques require the presence of a physician in the radiograph room to apply a manual valgus stress force, and can only be performed in 1 knee at a time. These techniques, although extremely effective, increase radiation exposure to physicians, are time consuming, and require additional radiographs to compare the side-to-side difference...
December 2017: Arthroscopy Techniques
Caitlin Doherty, Lauren W Averill, Mary Theroux, William G Mackenzie, Christian Pizarro, Robert W Mason, Shunji Tomatsu
Morquio A syndrome (mucopolysaccharidosis IVA, MPS IVA) is a lysosomal storage disease caused by a deficiency of N-acetylgalactosamine-6-sulfate sulfatase, resulting in systemic accumulation of the partially degraded glycosaminoglycans (GAGs), keratan sulfate and chondroitin-6-sulfate. The accumulation of these GAGs leads to distinguishing features as skeletal dysplasia with disproportionate dwarfism, short neck, kyphoscoliosis, pectus carinatum, tracheal obstruction, coxa valga, genu valgum, and joint laxity...
March 2018: Molecular Genetics and Metabolism Reports
Robert F LaPrade, Laurie R Goodrich, Jennifer Phillips, Grant J Dornan, Travis Lee Turnbull, Michael L Hawes, Kimi D Dahl, Ashley N Coggins, John Kisiday, David Frisbie, Jorge Chahla
BACKGROUND: Limited information in basic science and clinical trials exists to determine if ligament healing may be accelerated with the use of biological adjuvants, such as platelet-rich plasma (PRP). However, there has been widespread acceptance of PRP for use in clinical practice, despite an inadequate understanding of its biological mechanism of action. PURPOSE: To determine whether a single dose of PRP could accelerate ligament healing and correspondingly improve histological characteristics and biomechanical properties when injected immediately postoperatively into the injured medial collateral ligament (MCL) of New Zealand White rabbits...
March 2018: American Journal of Sports Medicine
Jean-Yves Jenny, Benjamin Puliero, Gilles Schockmel, Sébastien Harnoist, Philippe Clavert
Knee laxity may be impacted by rupture of the anterolateral knee ligament (ALL). The goal of this study was to measure tibial translation and rotation as a function of the status of the ALL and the anterior cruciate ligament (ACL). Five pairs of fresh frozen cadaver specimens were analyzed. The knee was positioned in 20° flexion. Calibrated posteroanterior forces and internal/external torques were successively applied. Anterior tibial translation and total internal/external tibial rotation were measured with a navigation system...
December 5, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Per-Henrik Randsborg, Ida Rashida Kahn Bukholm, Rune Bruhn Jakobsen
PURPOSE: To assess the most common reasons for complaints following anterior cruciate ligament (ACL) injuries reported to the Norwegian System of Patient Injury Compensation (NPE), and to view these complaints in light of the ACL reconstructions (ACL-Rs) reported to the Norwegian Knee Ligament Registry (NKLR). METHOD: Data from the NPE and the NKLR were collected for the study period (2005-2015). The age and gender and type of complaint and reason for granted compensation were collected from the NPE, while the graft choice and total number of ACL-R were collected from the NKLR...
February 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Bijan Forogh, Hossein Aslanpour, Ehsan Fallah, Arash Babaei-Ghazani, Safoora Ebadi
PURPOSE: Knee ligamentous trauma and the following pain is one of the most prevalent athletic injuries. Transcutaneous electrical nerve stimulation is one of the conservative approaches in controlling pain which is low cost, noninvasive, and safe with low complications. Our purpose was to study whether transcutaneous electrical nerve stimulation (TENS) could help athletes perform better during the first phase of rehabilitation (0-4 weeks) after anterior cruciate ligament (ACL) reconstruction surgery and until the follow-up...
November 9, 2017: Disability and Rehabilitation
(no author information available yet)
Knee ligament sprain is one of the most common orthopaedic and sports injuries. Knee stability and movement coordination impairments can be improved by physical therapists during nonoperative and operative management. Implementation recommendations from clinical practice guidelines (CPGs), such as the revised guidelines on knee ligament sprains published in the November 2017 issue of JOSPT, can help to reduce unwarranted variation in clinical physical therapy practice, support evidence-informed practice, and add value at the point of care...
November 2017: Journal of Orthopaedic and Sports Physical Therapy
David S Logerstedt, David Scalzitti, May Arna Risberg, Lars Engebretsen, Kate E Webster, Julian Feller, Lynn Snyder-Mackler, Michael J Axe, Christine M McDonough
The Orthopaedic Section of the American Physical Therapy Association (APTA) has an ongoing effort to create evidence-based practice guidelines for orthopaedic physical therapy management of patients with musculoskeletal impairments described in the World Health Organization's International Classification of Functioning, Disability, and Health (ICF). The purpose of these revised clinical practice guidelines is to review recent peer-reviewed literature and make recommendations related to knee ligament sprain...
November 2017: Journal of Orthopaedic and Sports Physical Therapy
(no author information available yet)
Knee injuries can sideline anyone. Physical therapists are leading the way to ensure that people with knee ligament injuries, including competitive and recreational athletes, receive the best care to optimize their recovery. JOSPT and the Orthopaedic Section of the American Physical Therapy Association first published clinical practice guidelines about knee ligament sprains in 2010. Now, revised guidelines in JOSPT's November 2017 issue provide updated recommendations based on best practices for evaluating, diagnosing, and treating knee ligament injuries...
November 2017: Journal of Orthopaedic and Sports Physical Therapy
Carl W Imhauser, Robert N Kent, James Boorman-Padgett, Ran Thein, Thomas L Wickiewicz, Andrew D Pearle
Knee laxity, defined as the net translation or rotation of the tibia relative to the femur in a given direction in response to an applied load, is highly variable from person to person. High levels of knee laxity as assessed during routine clinical exams are associated with first-time ligament injury and graft reinjury following reconstruction. During laxity exams, ligaments carry force to resist the applied load; however, relationships between intersubject variations in knee laxity and variations in how ligaments carry force as the knee moves through its passive envelope of motion, which we refer to as ligament engagement, are not well established...
October 7, 2017: Journal of Biomechanics
Jonathan A Godin, Mark E Cinque, Jonas Pogorzelski, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
BACKGROUND: Multiligament knee injuries cause significant functional impairment. Adults undergoing anatomic reconstruction of multiligament knee injuries have excellent outcomes postoperatively. However, less is known about the outcomes in adolescent patients following multiligament reconstruction. PURPOSE/HYPOTHESIS: We aimed to assess patient outcomes and failure rates following unstaged multiligament reconstruction in an adolescent population at a minimum 2-year follow-up...
September 2017: Orthopaedic Journal of Sports Medicine
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