Active clinical trials for "Tendon Injuries"

The investigators designed this study to determine the test-retest reliability of the viscoelastic passive properties of the calf muscles assessed using isokinetic device in flexed and extended knee position. The second objective is to determine the clinical viability of the parameters using the coefficient of repeatability and to investigate the individual characteristics associated with increased calf stiffness or altered viscoelasticity

Hypothesis: The use of cascade platelet-rich fibrin matrix (PRFM) on medium and large sized rotator cuff tears will improve patient results versus the control results by 50%. The purpose of this study is to examine the effect of PRFM on rotator cuff repairs. Since locally applied platelet-derived growth factor (PDGF) has shown early promise in enhancing tendon and ligament healing in anterior cruciate ligament (ACL) and medial collateral ligament (MCL) reconstruction, the investigators believe that locally applied PRFM will enhance the quality of rotator cuff repairs.

This study is a prospective, single center, postmarket study to evaluate the safety and effectiveness of NeoPatch used as a tissue cover in foot and ankle tendon revision and repair surgery.

The objective of the study is to assess mechanical strength and function in subjects undergoing Musculotendinous Tissue Unit Repair and Reinforcement (MTURR) with the use of biologic scaffolds for the restoration of both mechanical strength and function in these subjects. This study will formally evaluate healing and return of function after an extracellular matrix device implantation in 40 male and female subjects participating at 4-5 military sites who suffer from injury with loss of skeletal muscle tissue. The University of Pittsburgh under the Department of Plastic and Reconstructive Surgery is the Coordinating Center for this multi-site study.

Determine if volume imaging can diagnose bone, ligament, muscle injuries.

this study evaluates the addition of initial short term NSAID treatment to physiotherapy prescribed exercise treatment in patient with early phase tendinopathy. Half of the participants will initially receive NSAID (naproxen) for 7 days, while the other half will receive a placebo, where after both groups will be subjected to 3 months heavy slow resistance training.

A major innovation in hand surgery in the last decade is the popularization of Wide Awake Hand Surgery (WAHS). This technique consists of numbing the surgical area with local anesthesia with epinephrine and allowing the patient to actively move their hand intra-operatively to assess the strength and quality of repairs or fixations. Despite its theoretical advantages, the application in clinical practice has seldom spread further than simple hand operations, such as carpal tunnel and trigger finger releases. In many institutions, the current standard of care for hand surgery is the brachial plexus block. The primary objective of the study to directly compare the effects of local anesthesia with minimal sedation, performed by the surgeon, and the brachial plexus block, performed by the anesthesiologist, on patient-reported quality of recovery. Currently, there are no studies in the surgical literature directly comparing patient-reported quality of recovery, post-operative pain control, or time efficiency between local anesthesia and the brachial plexus block in hand surgery. This lack of information is a major impediment to the acceptance and adoption of a simple yet effective anesthesia technique that may increase patient satisfaction and time efficiency in the operating room. This proposed prospective randomized controlled study will quantitatively compare local anesthesia and brachial plexus block on three fronts: 1) patient-reported recovery at 24-hours post-surgery using the validated Quality of Recovery 15 score (QoR-15), 2) post-operative pain and opioid use at 24-hours post-surgery, and 3) nonsurgical time (defined as the time elapsed from one surgery's end time to the next surgery's start time) as a metric for turnover efficiency. The investigators hypothesize that patients randomized to the local anesthesia group will have a more positive recovery experience, a similar pain profile compared to the brachial plexus block despite common beliefs, and a shorter anesthesia-related and nonsurgical time. The importance of patient-centered care cannot be understated in a successful and high-quality health care system. The results of this study will provide valuable information regarding the patient experience during their post- operative recovery.

Background: Both health professionals and consumers use menthol-based topical analgesics extensively for the temporary relief of pain from musculoskeletal ailments or injury. However, there are no reports of differences in the pain pressure threshold (PPT) or the relative effectiveness of topical analgesics to reduce pain in the upper and lower body muscles and tendons. Objectives: The objective of this study was to investigate whether differences existed in PPT and relative pain attenuation associated with a menthol based topical analgesic over a variety of upper and lower body muscles and tendons. Design: Randomized allocation, controlled, intervention study. Method: Sixteen participants (10 females and 6 males), who were tested on their dominant or non-dominant side. The order of specific muscle / tendon testing was also randomized, which included upper body (middle deltoid, biceps brachii, and lateral epicondylar tendon) and lower body locations (quadriceps, hamstrings, gastrocnemius, lumbo-sacral erector spinae muscles, and patellar and Achilles tendons). PPT was monitored before and 15-minutes following the application of a menthol based topical analgesic.

The proposed research will focus on determining the effect of methylsulfonylmethane (MSM) on knee laxity changes through the menstrual cycle in young active females. As an extension to recent discovery, that MSM reverses the negative effect of estrogen on engineered ligament function, the proposed work is designed to determine whether MSM can decrease the negative effect of estrogen on knee laxity in females. Ligament function is determined by the content and cross-linking of collagen, which is influenced by a milieu of biochemical and mechanical parameters. The greater the amount and cross-linking the greater the stiffness and strength of these connective tissues. In engineered ligaments it has been previously shown that the high levels of estrogen, normally present in the days before and after ovulation, can inhibit the cross-linking enzyme lysyl oxidase. This decrease in collagen cross-linking likely increases connective tissue laxity and contributes to observed 4-fold greater occurrence of anterior cruciate ligament (ACL) rupture in females. Conversely, MSM increases collagen cross-linking and recent work conducted by the Baar lab in engineered human ligaments treated with high estrogen demonstrated that MSM could completely reverse the effects of estrogen on ligament mechanics. The proposed research aims to advance this promising pre-clinical data and apply in a clinical trial. This research also proposes to quantify that knee laxity increases up to 5mm between the first day of menstruation and the day after ovulation and also that the magnitude of the increase in laxity is directly related to the magnitude of the change in estrogen. Importantly, a direct relationship between knee laxity and ACL rupture exists. For every 1.3mm increase in anterior-posterior knee displacement, the odds of ACL rupture increase 4-fold. Therefore, any treatment that decreases knee laxity could be expected to reduce ACL ruptures and have widespread application across the general active population and high-level athletics.

The aim of this study is to evaluate the efficacy and safety of intra-tendon injection of allogeneic adipose-derived mesenchymal stem cells (Allo-ASC) in intractable common extensor tendinosis patients in comparison with a control treatment.