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Tendon injuries

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https://www.readbyqxmd.com/read/28549903/effect-of-a-patellar-strap-on-the-joint-position-sense-of-the-symptomatic-knee-in-athletes-with-patellar-tendinopathy
#1
Astrid J de Vries, Inge van den Akker-Scheek, Svenja L Haak, Ron L Diercks, Henk van der Worp, Johannes Zwerver
OBJECTIVES: The primary aim of this study was to investigate the effect of a patellar strap on the proprioception of the symptomatic leg in PT. Secondary aims were to investigate a possible difference in effectiveness between athletes with high and low proprioceptive acuity, and whether predictors of effectiveness could be found. DESIGN: Randomised cross-over pilot study. METHODS: 24 athletes with PT (age 27.3±9.0, VISA-P 50.6±11.2) performed a joint position sense test with and without a patellar strap...
April 25, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28549397/assessment-of-distal-radioulnar-joint-stability-after-reconstruction-with-the-brachioradialis-wrap
#2
Charity S Burke, Keith A Zoeller, Seid W Waddell, John A Nyland, Michael J Voor, Amitava Gupta
BACKGROUND: The brachioradialis (BR) wrap technique is an option to restore the stability of the distal radioulnar joint (DRUJ). The technique capitalizes on the BR's advantageous insertion point on the radial styloid and the ability of the BR to be harvested with minimal to no deficit. The tendon can then be wrapped around the radius and ulna, tunneling under the pronator quadratus and extensor compartments and secured back into its insertion to provide stability. In this cadaveric study, we used micro-computed tomography (CT) to assess the stability restored by this procedure...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28549366/-conservative-treatment-of-a-chronic-rupture-of-achilles-tendon-case-report
#3
M González-Murillo, A Rodrigo-Alonso, H Figueiredo-González, A M Salgado-Rodrigo, S M Mota-Blanco
We report a case of a 64 years-old-female patient with ruptured left Achilles tendon within two months of evolution that has gone unnoticed. By the application of a conservative treatment recovered complete and symmetrical functionality in five months time after the injury.
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28549364/-an-option-to-restore-ulnar-intrinsic-muscles-when-the-anterior-interosseus-nerve-is-not-available
#4
G A González-Trevizo
BACKGROUND: The peripheral nerve injuries are devastating for the patient; the classic reconstructive options are the Nerve Graft and Tendon Transfers. Lately the Nerve Transfers are being used more and more broadly. They are an excellent option on early injuries and when the motor plate is still alive. The advantages are numerous, because the functional recovery is much better. METHODS AND RESULTS: We report the case of a patient who sustained and injury on the median and ulnar nerve, so the EDQ and ECU branches were used to restore the Ulnar Intrinsic Function...
November 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28545379/tissue-engineering-in-achilles-tendon-reconstruction-the-role-of-stem-cells-growth-factors-and-scaffolds
#5
D S Pillai, Bal S Dhinsa, Wasim Khan
Achilles tendon injuries are common, and present a challenge in the acute and chronic setting. There is significant morbidity associated with the injury and the numerous management strategies, as well as financial implications to the patient and the health service. To date, repair tissue from all methods of management fail to achieve the same functional and biomechanical properties as the native tendon. The use of tissue engineering technology may reduce morbidity, improve the biomechanical properties of repair tissue and reduce the financial burden...
May 23, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28540318/retromalleolar-groove-deepening-in-recurrent-peroneal-tendon-dislocation-technique-tip
#6
Pim A D van Dijk, Bryan G Vopat, Daniel Guss, Alastair Younger, Christopher W DiGiovanni
Peroneal tendon dislocations are most prevalent in the active and athletic population, so accurate diagnosis and management are essential for optimal return of function. Although many nonoperative and surgical management options have been described, the optimal treatment method continues to be debated. In this technique article, a modified retromalleolar groove-deepening technique is described for addressing all anatomic variations of the posterior distal fibula and retromalleolar groove without unduly disturbing the important anatomic facets meant for retention in this region...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28537650/tendon-healing-induced-by-chemically-modified-mrnas
#7
K Groth, T Berezhanskyy, M K Aneja, J Geiger, M Schweizer, L Maucksch, T Pasewald, T Brill, B Tigani, E Weber, C Rudolph, G Hasenpusch
Tendon disorders are frequent both in human and veterinary medicine with high re-injury rates and unsatisfactory therapeutic treatments. Application of naked, chemically-modified mRNA (cmRNA), encoding for therapeutic proteins, is an innovative approach to address tendon healing. In the current study, we demonstrated that injection of naked cmRNA, diluted in a glucose-containing solution, into tendons resulted in high protein expression in healthy and experimentally-injured tendons. Injection of bone morphogenetic protein 7 (BMP-7)-encoding cmRNA resulted in a significantly higher expression of BMP-7 protein and reduced formation of collagen type III, compared to vehicle control...
May 24, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28535849/calf-endurance-and-achilles-tendon-structure-in-classical-ballet-dancers
#8
Jennifer A Zellers, Katrina van Ostrand, Karin Grävare Silbernagel
Optimal lower leg function is critical for ballet dancers to meet their occupational requirements. Achilles tendon injury is particularly detrimental to ballet dancers. While standardized measures have been validated and incorporated into clinical practice for use in people with Achilles tendon injury, normative ranges specific to the dancer population have not been described. The purpose of this pilot study was to observe the performance of pre-professional ballet students and professional ballet dancers on a well-established test battery for lower leg functional performance as well as ultra-sonographic evaluation of the structure of their Achilles tendons...
June 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/28535605/ultrasonography-of-the-ankle-joint
#9
Jung Won Park, Sun Joo Lee, Hye Jung Choo, Sung Kwan Kim, Heui-Chul Gwak, Sung-Moon Lee
Ankle disorders are a relatively common pathological condition, and ankle injuries account for Epub ahead of print approximately 14% of sports-related orthopedic emergency visits. Various imaging modalities can be used to make a diagnosis in cases of ankle pain; however, ultrasound (US) has several benefits for the evaluation of ankle pain, especially in the tendons, ligaments, and nerves of the ankle. The purpose of this article is to review the common causes of ankle pathology, with particular reference to US features...
April 5, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28534758/engineering-tissues-to-heal-themselves-bioinks-and-tendon-scaffolds-show-promise-for-helping-the-body-recover-from-musculoskeletal-injury
#10
Sarah Campbell
Sufferers of osteoarthritis are all too aware of the daily pain and impairment of swollen joints, of having to give up sports-and jobs-due to cartilage defects. What they may be less aware of is that three-dimensional (3-D) bioprinting and bioink technologies are being developed to revolutionize the existing (and often imperfect) treatments available to them.
May 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28533626/nonhealing-progressive-stress-fractures-of-the-foot-in-a-13-year-old-basketball-player-is-vitamin-k-deficiency-a-risk-factor
#11
Meral Bayramoğlu, Nuray Ünlütürk
[Purpose] To report an adolescent male basketball player with nonhealing stress fractures of the foot and discuss the probable factors. [Subject and Methods] A 13-year-old basketball player presented with right foot pain. He had been playing basketball for three years and practicing 5 days/week. He denied any increase in daily training intensity. Magnetic resonance imaging confirmed stress fractures of the cuboid and cuneiform, with mild edema of the soft tissues between the tarsal bones and tenosynovitis of the flexor hallucis and flexor digitorum longi...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533328/tendon-stem-progenitor-cells-regulate-inflammation-in-tendon-healing-via-jnk-and-stat3-signaling
#12
Solaiman Tarafder, Esther Chen, Yena Jun, Kristy Kao, Kun Hee Sim, Jungho Back, Francis Y Lee, Chang H Lee
Tendon stem/progenitor cells (TSCs) have been found in different anatomic locations and showed a promising regenerative potential. We identified a role of TSCs in the regulation of inflammation during healing of acute tendon injuries. Delivery of connective tissue growth factor (CTGF) into full-transected rat patellar tendons significantly increased the number of CD146(+) TSCs, leading to enhanced healing. In parallel, CTGF delivery significantly reduced the number of iNOS(+) M1 Mϕs and increased the expression of anti-inflammatory IL-10 at 2 d after surgery, with over 85% CD146(+) TSCs expressing IL-10...
May 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28532007/decellularized-tendon-as-a-prospective-scaffold-for-tendon-repair
#13
REVIEW
Shengyu Wang, Yiyun Wang, Liyang Song, Jiaxin Chen, Yujie Ma, Yunbin Chen, Shunwu Fan, Miaoshang Su, Xianfeng Lin
Tendon injuries impose significant clinical burdens on healthcare systems worldwide. At present, no therapeutic methods can cure tendon injuries in an ideal manner. With the development and improvement of decellularization technology, tendon extracellular matrix (ECM) can develop into novel scaffolds with potential for repairing injured tendons. Proper agents and decellularization protocols were developed to obtain tendon ECMs, and the method used to recellularize the tendon ECM was explored to create bio-functional neo-tendons for transplants...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530131/a-novel-combination-of-a-polycaprolactone-fumarate-pclf-scaffold-with-polyethylene-terephthalate-pet-sutures-for-intra-articular-ligament-regeneration
#14
Joshua Parry, Eric R Wagner, Peter Kok, Mahrokh Dadsetan, Michael J Yaszemski, Andre J van Wijnen, Sanjeev Kakar
Intra-articular ligamentous injuries are typically unrepairable and have limited outcomes after graft reconstruction. A combination of porous polycaprolactone fumarate (PCLF) scaffolds with polyethylene terephthalate (PET) sutures was developed with the goal of regenerating intra-articular ligaments. Scaffolds were fabricated by injecting PCLF over 3D-printed molds containing two strands of PET suture down its central pore followed by crosslinking. Scaffolds were seeded with human mesenchymal stem cells (MSCs) from adipose tissue...
May 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28525884/training-volume-and-soft-tissue-injury-in-professional-and-non-professional-rugby-union-players-a-systematic-review
#15
Shane Ball, Mark Halaki, Rhonda Orr
AIM: To investigate the relationship between training volume and soft tissue injury incidence, and characterise soft tissue injury in rugby union players. DESIGN: A systematic search of electronic databases was performed. The search strategy combined terms covering: training volume and injury, and rugby union, and players of all levels. DATA SOURCES: Medline, SPORTDiscus, Web of Science, Embase, PubMed. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Studies were included if they reported: male rugby union players, a clear definition of a rugby union injury, the amount of training volume undertaken by participants, and epidemiological data for soft-tissue injuries including the number or incidence...
October 8, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28521693/from-tendon-injury-to-collagen-based-tendon-regeneration-overview-and-recent-advances
#16
Clément Rieu, Lise Picaut, Gervaise Mosser, Léa Trichet
Tendon injury is a clinical, societal and economical issue. Moreover, tendon repair represents an important clinical challenge, partly due to the mechanical constraints that occur at the junctions with muscle and bone. Several strategies have been developed for tendon repair. In this review, we first assess the importance of tendon injuries from different sites and their causes. After a short overview of tendon three-dimensional organization, the complexity of the perfect repair quest is presented ranging from current clinical procedures to new engineering scaffolds...
May 16, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28521384/analysis-of-tenodesis-techiques-for-treatment-of-scapholunate-instability-using-the-finite-element-method
#17
Teresa Alonso Rasgado, Qinghang Zhang, David Jimenez Cruz, Colin Bailey, Elizabeth Pinder, Avanthi Mandaleson, Sumedh Talwalkar
Chronic Scapholunate ligament (SL) injuries are difficult to treat and can lead to wrist dysfunction. Whilst several tendon reconstruction techniques have been employed in the management of SL instability, SL gap reappearance after surgery has been reported. Using finite element model and cadaveric study data we investigated the performance of the Corella, schapolunate axis (SLAM) and modified Brunelli tenodesis (MBT) techniques. Virtual tenodesis surgery was undertaken in 3D finite element (FE) models to obtain the scapholunate (SL) gap and angle resulting from the three reconstruction techniques...
May 18, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28514510/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-tendon-graft-harvesting-for-knee-ligament-reconstruction-an-ultrasound-simulation-study
#18
Przemysław A Pękala, Ewa Miza, Brandon Michael Henry, Patrick Popieluszko, Marios Loukas, Krzysztof A Tomaszewski
INTRODUCTION: The clinical anatomy of the infrapatellar branch of the saphenous nerve (IPBSN) is of particular importance during operations in the area of the knee, especially when material for anterior cruciate ligament reconstruction is harvested. The nerve can easily be injured during the harvesting procedure, leading to postoperative complications that reduce quality of life. Three different skin incisions are commonly used during hamstring tendon harvesting: horizontal, vertical, and oblique...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514131/-treatment-of-achilles-tendon-ruptures
#19
Lior Laver, Viktor Feldman, Ezequiel Palmanovich, Eyal Yaacobi, Niv Marom, Omer Mei-Dan
Achilles tendon ruptures cause considerable morbidity and functionality reduction. There is lack of consensus regarding the best option for treatment following acute Achilles tendon rupture. Recent studies have failed to show substantial difference in outcome following conservative or operative treatment using an early active rehabilitation program. Meta-analyses have shown that conservative management has increased the risk of re-rupture, whereas operative intervention carries risks of complications related to the wound and iatrogenic nerve injury...
July 2016: Harefuah
https://www.readbyqxmd.com/read/28514129/-hand-injuries-in-rock-climbers
#20
REVIEW
Hagay Orbach, Guy Rubin, Alejandro Wolovelsky, Micha Rinott, Uriel Giwnewer, Nimrod Rozen
Rock climbing, whether practiced in nature on cliffs and boulders or indoors on walls made of resin and wood, has gained tremendous popularity in recent decades. More people are exposed to injuries associated with the unique biomechanical forces of rock climbing. A series of repetitive high torque movements of the upper limbs are needed to ascend a wall or rockface. These movements subject the hand and wrist to large forces, potentially resulting in ligament and tendon sprains or rupture and even bone fracture...
July 2016: Harefuah
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