Roula Kotsifaki, Vasileios Sideris, Enda King, Roald Bahr, Rod Whiteley
OBJECTIVE: Vertical jump tests are more sensitive in revealing asymmetries in performance metrics at the time of return to sport after anterior cruciate ligament (ACL) reconstruction (ACLR) than horizontal hop tests. However, it remains unclear which vertical tests (bilateral or unilateral) and which metrics (kinetics or performance) are most effective in informing the rehabilitation status and readiness for return to sport. We aimed to investigate the status of athletes during vertical jump testing at return to sport after ACLR...
June 1, 2023: British Journal of Sports Medicine
Sara Sadeqi, Grant E Norte, Amanda Murray, Deniz U Erbulut, Vijay K Goel
BACKGROUND: Previous studies have examined the effect of whole body (WB) parameters on anterior cruciate ligament (ACL) strain and loads, as well as knee joint kinetics and kinematics. However, articular cartilage damage occurs in relation to ACL failure, and the effect of WB parameters on ACL strain and articular cartilage biomechanics during dynamic tasks is unclear. PURPOSES: (1) To investigate the effect of WB parameters on ACL strain, as well as articular cartilage stress and contact force, during a single-leg cross drop (SLCD) and single-leg drop (SLD)...
June 1, 2023: American Journal of Sports Medicine
Michael Jernick, Peter S Borden, Andorra Seager, Michelle H McGarry, Gregory J Adamson, Thay Q Lee
BACKGROUND: The optimal tibial fixation of anterior cruciate ligament (ACL) reconstruction (ACLR) grafts remains controversial. PURPOSE/HYPOTHESIS: The purpose of this study was to compare the biomechanical characteristics of the TensionLoc (TL) cortical fixation device with the Double Spike Plate (DSP) fixation device for ACL tibial fixation using both bone-patellar tendon-bone (BTB) and quadriceps grafts. It was hypothesized that there would be no differences in biomechanical characteristics between the fixation devices regardless of graft type...
May 2023: Orthopaedic Journal of Sports Medicine
Stephanie Ferrero, Marion Louvois, Thomas Barnetche, Veronique Breuil, Christian Roux
INTRODUCTION: Context: The development of knee osteoarthritis (OA) after anterior cruciate ligament (ACL) injury is now widely recognized. The impact of surgical or non-surgical management on the development of post-traumatic osteoarthritis is still debated in the medical community.Here, we present a meta-analysis comparing the impact of surgical or non-surgical management of ACL injuries on the development of knee OA. METHOD: A systematic literature review was conducted using data from the PubMed, EMBASE, Medline, and Cochrane libraries from February to May 2019...
September 2023: Osteoarthritis and cartilage open
Karnav A Panchal, Ashok K Moharana, Sachin Angrish, Deepak Ts
Introduction The meniscus plays a vital role in maintaining knee stability. It acts as a shock absorber and knee filler. The incidence of meniscal tears is estimated to be 60 per 100,000 people. Due to lack of awareness among patients, only 10% of the meniscus tears were treated through partial or total meniscectomy. Recently, the concept of meniscus preservation surgery has emerged to preserve early degeneration of the knee joint. In the current retrospective study, safety and functional outcomes of arthroscopic meniscal repair surgery using Surestitch All inside implants (Sironix Arthroscopy Solutions, Healthium Medtech Limited, Bengalaru, India) were assessed...
April 2023: Curēus
Ryan M Graf, Scott E Dart, Ian S MacLean, Laurel A Barras, Thomas E Moran, Brian C Werner, F Winston Gwathmey, David R Diduch, Mark D Miller
BACKGROUND: Graft-tunnel mismatch (GTM) is a common problem in anterior cruciate ligament (ACL) reconstruction (ACLR) using bone-patellar tendon-bone (BPTB) grafts. HYPOTHESIS: Application of the "N+10 rule" in endoscopic ACLR with BPTB grafts will result in acceptable tibial tunnel length (TTL), minimizing GTM. STUDY DESIGN: Controlled laboratory study. METHODS: Endoscopic BPTB ACLR was conducted on the paired knees of 10 cadaveric specimens using 2 independent femoral tunnel drilling techniques-accessory anteromedial portal and flexible reamer...
May 2023: Orthopaedic Journal of Sports Medicine
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No abstract text is available yet for this article.
May 30, 2023: American Journal of Sports Medicine
Guillaume Demey, Edoardo Giovannetti de Sanctis, Guillaume Mesnard, Jacobus H Müller, Mo Saffarini, David H Dejour
BACKGROUND: Tibial deflexion osteotomy (TDO) is sometimes indicated for revision anterior cruciate ligament (ACL) reconstruction in knees with posterior tibial slope (PTS) ≥12° and aims to decrease PTS to around 5°. When planning TDO, measuring the anterior tibial metaphyseal height (aHt) could help ascertain whether the available metaphyseal bone would be sufficient to create the wedge and leave adequate residual bone. PURPOSE: To (1) determine whether, compared with knees with normal native PTS (<12°), aHt is greater in knees with excessive native PTS (≥12°), and (2) verify if, aiming to decrease PTS to 5°, supratuberosity TDO in knees with excessive native PTS could be performed without tibial tuberosity osteotomy, leaving a minimum of 15 mm of residual bone for fixation staples or plates...
May 30, 2023: American Journal of Sports Medicine
Nicolas Vari, Vincent Marot, Marie Cavaignac, Thais Dutra Vieira, Émilie Bérard, Etienne Cavaignac
BACKGROUND: Several factors affect the retear rate after anterior cruciate ligament (ACL) reconstruction, but there are few data on which factors affect graft remodeling. PURPOSE: To determine which factors are associated with the remodeling of an ACL graft. STUDY DESIGN: Case-control study; Level of evidence, 3. METHODS: A retrospective longitudinal study was conducted to investigate the relationship between various exposure factors and the occurrence of an "event": graft remodeling measured with the signal-to-noise quotient (SNQ)...
May 30, 2023: American Journal of Sports Medicine
Christian Fugl Hansen, Maria Østergaard Madsen, Susan Warming, Martin Lind, Peter Faunø, Martin Wyman Rathcke, Michael Rindom Krogsgaard, Karl Bang Christensen
BACKGROUND: Pedi-IKDC is commonly used to evaluate anterior cruciate ligament (ACL) deficiency in children. However, its construct validity has not been thoroughly assessed. The aim was to examine the measurement properties of the Pediatric International Knee Documentation Committee (Pedi-IKDC) by modern test theory (MTT) models, confirmatory factor analysis (CFA), and item response theory (IRT). METHODS: The cohort consisted of all children and adolescents in Denmark (n = 535, age 9-16) treated with physeal-sparing ACL reconstruction 2011-2020...
May 29, 2023: Scandinavian Journal of Medicine & Science in Sports
Shelby Baez, Matthew Harkey, Thomas Birchmeier, Ashley Triplett, Katherine Collins, Christopher Kuenze
CONTEXT: Poor psychological responses after anterior cruciate ligament reconstruction (ACLR) have been associated with failure to return to sport and increased secondary injury risk. However, we do not know whether poor psychological responses after ACLR influence patient-reported knee function and knee symptoms. OBJECTIVE: To examine the association between psychological factors (i.e., psychological readiness and injury-related fear) and the presence of persistent knee symptoms in individuals 6-12 months after ACLR...
May 26, 2023: Journal of Athletic Training
Alli Gokeler, Filippo Tosarelli, Matthew Buckthorpe, Francesco Della Villa
CONTEXT: Evidence is emerging that core neurocognitive function such as working memory or inhibitory control (more response inhibition, attention) are linked to ACL injury risk. Thus far, research has been conducted in laboratory settings and the contribution of neurocognition to actual ACL injuries under real world conditions is unknown. OBJECTIVE: We hypothesized that errors in motor response inhibition and attentional inhibition contribute to non-contact ACL injuries in professional soccer players...
May 26, 2023: Journal of Athletic Training
Elaine Reiche, Katherine Collins, Francesca Genoese, Michelle Walaszek, Ashley Triplett, Christopher Kuenze, Matthew Harkey, Shelby Baez
CONTEXT: Deficits in perceptual-motor function, like visuomotor reaction time (VMRT), are risk factors for primary and secondary ACL injury. Non-contact ACL injuries have been associated with slower reaction time, but it is unknown if this association exists for patients with contact ACL injuries. Exploring differences in VMRT between non-contact and contact ACL injuries may provide a more comprehensive understanding of modifiable risk factors between mechanisms of injury. OBJECTIVE: To compare lower extremity VMRT (LEVMRT) between individuals with contact and non-contact ACL injuries after ACLR...
May 26, 2023: Journal of Athletic Training
Lorenz Pichler, Thomas Sator, Georg Kaiser, Harald Binder, Stephan Payr, Marcus Hofbauer, Thomas M Tiefenboeck
BACKGROUND: As the awareness towards gender-specific therapies continues to increase among all fields of medicine, so does the need for gender-sensitive evaluations of established surgical techniques. With a higher likelihood of anterior cruciate ligament injury in women, a critical assessment of the functional outcome of anterior cruciate ligament reconstruction regarding patient sex is indispensable. Almost all pre-existing literature on this subject is based on anterior cruciate ligament reconstructions carried out before 2008, when 'all-inside' techniques did not exist...
2023: Women's Health
Caihong Yao, Yiwen Zhang, Xinran Sun, Haiyue Pei, Shanshan Wei, Mengdi Wang, Qi Chang, Xinmin Liu, Ning Jiang
OBJECTIVES: In this study, we have investigated the anti-depressant effects of the fruit Areca catechu L. (ACL) and elucidated its potential underlying mechanism using a rat model of chronic unpredictable mild stress (CUMS). METHODS: CUMS was induced in rats to establish a depression animal model for 28 days. According to the baseline sucrose preference, the male rats were divided into 6 different groups. They were treated with paroxetine hydrochloride, ACL, and water once a day until the behavioral tests were performed...
May 26, 2023: Biomedicine & Pharmacotherapy
Daniel Pérez-Prieto, Trifon Totlis, Tomislav Madjarevic, Roland Becker, Christen Ravn, Juan C Monllau, Nora Renz
PURPOSE: Infection after anterior cruciate ligament reconstruction (ACL-R) is a rare but severe complication. Despite an increase in articles published on this topic over the last decade, solid data to optimized diagnostic and therapeutic measures are scarce. For this reason, the European Bone and Joint Infection Society (EBJIS) and the European Society for Sports Traumatology, Knee Surgery and Arthroscopy (ESSKA) collaborated in order to develop recommendations for the diagnosis and management of infections after ACL-R...
May 27, 2023: Knee Surgery, Sports Traumatology, Arthroscopy
Wonnyoung Jeong, Sijun Kim, Youngseok Lee, Chulhee Cho, Inho Seong, Yebin You, Minsu Choi, Jangjae Lee, Youbin Seol, Shinjae You
As the process complexity has been increased to overcome challenges in plasma etching, individual control of internal plasma parameters for process optimization has attracted attention. This study investigated the individual contribution of internal parameters, the ion energy and flux, on high-aspect ratio SiO2 etching characteristics for various trench widths in a dual-frequency capacitively coupled plasma system with Ar/C4F8 gases. We established an individual control window of ion flux and energy by adjusting dual-frequency power sources and measuring the electron density and self-bias voltage...
May 18, 2023: Materials
Sanda Ileana Cîmpean, Radu Marcel Chisnoiu, Adela Loredana Colceriu Burtea, Rareș Rotaru, Marius Gheorghe Bud, Ada Gabriela Delean, Ioana-Sofia Pop-Ciutrilă
Background and Objectives : The aim of this study was to compare the accuracy of three types of electronic apex locators (EALs) when two different concentrations of NaOCl irrigation solutions are used by two operators. Materials and Methods : After creating the access cavities for 20 single rooted extracted teeth, the actual canal length (ACL) of each canal was determined visually using a #10 file and magnification. The teeth were subsequently inserted in plastic molds filled with alginate. The electronic measurement of root canal length (EWL) was performed using three different electronic apex locators: Root ZX II, Apex ID, and Dual Pex...
May 11, 2023: Medicina
Patrick Weninger, Christoph Thallinger, Manuel Chytilek, Yannis Hanel, Caterina Steffel, Ramin Karimi, Xaver Feichtinger
PURPOSE: The decision regarding the timepoint of a return to sports after anterior cruciate ligament (ACL) reconstruction is complex and depends on many factors, including objectively tested physical and psychological readiness as well as biological healing. The aim of this study was to investigate the influence of repetitive extracorporeal shockwave therapy (ESWT) on return-to-sports duration, clinical results and MRI results after ACL reconstruction with hamstring tendons (HT). MATERIAL AND METHODS: In this prospective controlled study, all patients with acute ACL ruptures were treated by ACL reconstruction with HT...
May 9, 2023: Journal of Clinical Medicine
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