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Rotator cuff injury

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https://www.readbyqxmd.com/read/28210648/utilization-of-platelet-rich-plasma-for-musculoskeletal-injuries-an-analysis-of-current-treatment-trends-in-the-united-states
#1
Joanne Y Zhang, Peter D Fabricant, Chad R Ishmael, Jeffrey C Wang, Frank A Petrigliano, Kristofer J Jones
BACKGROUND: Platelet-rich plasma (PRP) has emerged as a popular biologic treatment for musculoskeletal injuries and conditions. Despite numerous investigations on the efficacy of PRP therapy, current utilization of this treatment within the United States is not widely known. PURPOSE: To investigate the national utilization of PRP, including the incidence and conditions for which it is used in the clinical setting, and to determine the current charges associated with this treatment...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28197695/rotational-glenohumeral-adaptations-are-associated-with-shoulder-pathology-in-professional-male-handball-players
#2
Przemyslaw Lubiatowski, Piotr Kaczmarek, Pawel Cisowski, Ewa Breborowicz, Monika Grygorowicz, Marcin Dzianach, Tomasz Krupecki, Lior Laver, Leszek Romanowski
PURPOSE: Glenohumeral range of motion adaptations may affect throwing athletes and contribute to shoulder injury. The purpose of this study was to evaluate shoulder rotation deficits among elite professional handball players and its correlation to the presence of shoulder pain and morphological changes. METHODS: Eighty-seven elite professional handball players and 41 healthy non-athlete volunteers participated in the study. Evaluations included measurement of range of internal and external rotation, total arch of motion, identification of shoulder pain and ultrasound scan for diagnosis of rotator cuff tears and internal impingement...
February 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28194380/magnetic-resonance-imaging-without-contrast-as-a-diagnostic-method-for-partial-injury-of-the-long-head-of-the-biceps-tendon
#3
Alexandre Tadeu do Nascimento, Gustavo Kogake Claudio
OBJECTIVE: To evaluate the use of magnetic resonance imaging (MRI) without contrast as a diagnostic method of partial lesions of the long head of the biceps, using arthroscopic surgery as the gold standard. METHODS: We evaluated data from MRI and arthroscopic surgical findings of patients operated due to rotator cuff and SLAP injuries. MRI without contrast of at least 1.5 T, with a radiologist report, was used as a criterion for the detection of long head of the biceps injury...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28153683/supraspinatus-muscle-occupation-ratio-predicts-rotator-cuff-reparability
#4
Jeung Yeol Jeong, Pill Ku Chung, Sang Min Lee, Jae Chul Yoo
BACKGROUND: We wished to determine the correlation between supraspinatus muscle occupation ratio and reparability of rotator cuff muscles and that of each occupation ratio with 1-muscle, 2-muscle, and 3-muscle rotator cuff injury. METHODS: We evaluated 170 patients (average age, 62.3 [40-83] years) with complete (type II) or incomplete (type III) rotator cuff repair by arthroscopy. Type II repair was defined as complete repair but less optimal coverage of the entire medial-lateral footprint...
January 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28149736/arthroscopic-debridement-of-the-thrower-s-shoulder-less-is-more
#5
Paul E Caldwell, Dustin C Dyer, Sara E Pearson
The thrower's shoulder has long been a topic of debate among shoulder specialists. The tremendous forces produced during the throwing motion coupled with the compilation of the pathology encountered in the thrower's shoulder have generated a complex treatment algorithm. Simplifying management options has been challenging and recommendations continue to evolve. Treatment of injuries to the thrower's shoulder most commonly involves addressing partial articular-sided rotator cuff tears. These can be isolated or more commonly associated with tearing of the posterior superior labrum...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28139663/evaluation-of-the-bone-ligament-and-tendon-insertions-based-on-raman-spectrum-and-its-pca-and-cls-analysis
#6
Yang Wu, Yu Dong, Jia Jiang, Haiqing Li, Tongming Zhu, Shiyi Chen
Injuries to the Anterior Cruciate Ligament (ACL) and Rotator Cuff Tendon (RCT) are common in physically active and elderly individuals. The development of an artificial prosthesis for reconstruction/repair of ACL and RCT injuries is of increasing interest due to the need for viable tissue and reduced surgically-related co-morbidity. An optimal prosthesis design is still elusive, therefore an improved understanding of the bone-soft tissue interface is extremely urgent. In this work, Raman spectral mapping was used to analyze, at the micron level, the chemical composition and corresponding structure of the bone-soft tissue interface...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28131694/neer-award-2016-reduced-muscle-degeneration-and-decreased-fatty-infiltration-after-rotator-cuff-tear-in-a-poly-adp-ribose-polymerase-1-parp-1-knock-out-mouse-model
#7
Michael B Kuenzler, Katja Nuss, Agnieszka Karol, Michael O Schär, Michael Hottiger, Sumit Raniga, David Kenkel, Brigitte von Rechenberg, Matthias A Zumstein
BACKGROUND: Disturbed muscular architecture, atrophy, and fatty infiltration remain irreversible in chronic rotator cuff tears even after repair. Poly (adenosine 5'-diphosphate-ribose) polymerase 1 (PARP-1) is a key regulator of inflammation, apoptosis, muscle atrophy, muscle regeneration, and adipocyte development. We hypothesized that the absence of PARP-1 would lead to a reduction in damage to the muscle subsequent to combined tenotomy and neurectomy in a PARP-1 knockout (KO) mouse model...
January 25, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28131686/the-effect-of-expedited-rotator-cuff-surgery-in-injured-workers-a-case-control-study
#8
Helen Razmjou, Sandra Lincoln, Dragana Boljanovic, Stephen Gallay, Patrick Henry, Robin R Richards, Richard Holtby
BACKGROUND: Expediting rotator cuff surgery is expected to facilitate recovery and return to work in injured workers. This case-control study examined the effect of expedited rotator cuff surgery on recovery and work status in injured workers. MATERIALS AND METHODS: Injured workers who had undergone an expedited rotator cuff surgery funded by parallel-pay insurance (study group) were compared with workers who had used the public health insurance (control group) while adjusting for sex, age, severity of pathology, and follow-up period...
January 25, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28125897/the-relationship-between-intraoperative-tear-dimensions-and-postoperative-pain-in-1624-consecutive-arthroscopic-rotator-cuff-repairs
#9
Daniel Y T Yeo, Judie R Walton, Patrick Lam, George A C Murrell
BACKGROUND: Rotator cuff repair often results in significant pain postoperatively, the cause of which is undetermined. Purpose/Hypothesis: The aim of this study was to evaluate the relationship between rotator cuff tear area and postoperative pain in patients who had undergone arthroscopic rotator cuff repair. We hypothesized that larger tears would be more painful because of elevated repair tension at 1 week postoperatively but that smaller tears would be more painful because of a greater healing response, especially from 6 weeks postoperatively...
December 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28108482/inhibition-of-prolyl-4-hydroxylase-decreases-muscle-fibrosis-following-chronic-rotator-cuff-tear
#10
J P Gumucio, M D Flood, A Bedi, H F Kramer, A J Russell, C L Mendias
OBJECTIVES: Rotator cuff tears are among the most frequent upper extremity injuries. Current treatment strategies do not address the poor quality of the muscle and tendon following chronic rotator cuff tears. Hypoxia-inducible factor-1 alpha (HIF-1α) is a transcription factor that activates many genes that are important in skeletal muscle regeneration. HIF-1α is inhibited under normal physiological conditions by the HIF prolyl 4-hydroxylases (PHDs). In this study, we used a pharmacological PHD inhibitor, GSK1120360A, to enhance the activity of HIF-1α following the repair of a chronic cuff tear, and measured muscle fibre contractility, fibrosis, gene expression, and enthesis mechanics...
January 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28093363/alignment-of-collagen-fiber-in-knitted-silk-scaffold-for-functional-massive-rotator-cuff-repair
#11
Zefeng Zheng, Jisheng Ran, Weishan Chen, Yejun Hu, Ting Zhu, Xiao Chen, Zi Yin, Boon Chin Heng, Gang Feng, Huihui Le, Chenqi Tang, Jiayun Huang, Yangwu Chen, Yiting Zhou, Pioletti Dominique, Weiliang Shen, Hong-Wei Ouyang
: Rotator cuff tear is one of the most common types of shoulder injuries, often resulting in pain and physical debilitation. Allogeneic tendon-derived decellularized matrices do not have appropriate pore size and porosity to facilitate cell infiltration, while commercially-available synthetic scaffolds are often inadequate at inducing tenogenic differentiation. The aim of this study is to develop an advanced 3D aligned collagen/silk scaffold (ACS) and investigate its efficacy in a rabbit massive rotator cuff tear model...
January 13, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28077355/no-evidence-for-the-use-of-stem-cell-therapy-for-tendon-disorders-a-systematic-review
#12
Haiko I M F L Pas, Maarten H Moen, Hidde J Haisma, Marinus Winters
INTRODUCTION: Stem cells have emerged as a new treatment option for tendon disorders. We systematically reviewed the current evidence for stem cell therapy in tendon disorders. METHODS: Randomised and non-randomised controlled trials, cohort studies and case series with a minimum of 5 cases were searched in MEDLINE, CENTRAL, EMBASE, CINAHL, PEDro and SPORTDiscus. In addition, we searched grey literature databases and trial registers. Only human studies were included and no time or language restrictions were applied to our search...
January 11, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28070148/comparison-of-the-epidemiology-and-outcomes-of-traumatic-and-nontraumatic-rotator-cuff-tears
#13
Takeshi Teratani
OBJECTIVE: The purpose of this study was to investigate the differences in the epidemiology and outcomes of traumatic and nontraumatic rotator cuff tears. METHODS: Thirty-three patients with traumatic and 46 with nontraumatic rotator cuff tears were included. RESULTS: The rate of injury to the long head of the biceps was significantly higher in the traumatic group. Preoperative active forward elevation was significantly lower in the traumatic group...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28036238/clinical-relevance-of-classifying-massive-rotator-cuff-tears
#14
Hyun Soo Ok, Byung Guk Kim, Won Chul Choi, Chul Gie Hong, Jee Woong Kim, Jae Hwa Kim
BACKGROUND: Studies on the results of arthroscopic repair of massive rotator cuff tears have reported widely varied prognoses. Among other factors, the sizable discrepancy can be attributable to the fact that the current definition of massive rotator cuff tears covers an extensive area of tendons. HYPOTHESIS: Functional and radiological results according to subgroups would show significant inter-subgroup differences preoperatively and postoperatively. STUDY DESIGN: Cohort study; Level of evidence, 2...
January 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28001327/supraspinatus-tendon-overuse-results-in-degenerative-changes-to-tendon-insertion-region-and-adjacent-humeral-cartilage-in-a-rat-model
#15
Akia N Parks, Jennifer McFaline-Figueroa, Anne Coogan, Emma Poe-Yamagata, Robert E Guldberg, Manu O Platt, Johnna S Temenoff
The etiology of rotator cuff tendon overuse injuries is still not well understood. Furthermore, how this overuse injury impacts other components of the glenohumeral joint, including nearby articular cartilage, is also unclear. Therefore, this study sought to better understand the time course of tendon protease activity in a rat model of supraspinatus overuse, as well as determine effects of 10 weeks of overuse on humeral head articular cartilage. For these studies, multiplex gelatin zymography was used to characterize protease activity profiles in tendon and cartilage, while histological scoring/mechanical testing and micro-computed tomography (μCT) imaging were used to quantify structural damage in the supraspinatus tendon insertion and humeral articular cartilage, respectively...
December 21, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27965219/effects-of-platelet-rich-plasma-and-triamcinolone-acetonide-on-interleukin-1%C3%A3-stimulated-human-rotator-cuff-derived-cells
#16
T Muto, T Kokubu, Y Mifune, A Inui, R Sakata, Y Harada, F Takase, M Kurosaka
OBJECTIVES: Triamcinolone acetonide (TA) is widely used for the treatment of rotator cuff injury because of its anti-inflammatory properties. However, TA can also produce deleterious effects such as tendon degeneration or rupture. These harmful effects could be prevented by the addition of platelet-rich plasma (PRP), however, the anti-inflammatory and anti-degenerative effects of the combined use of TA and PRP have not yet been made clear. The objective of this study was to determine how the combination of TA and PRP might influence the inflammation and degeneration of the rotator cuff by examining rotator cuff-derived cells induced by interleukin (IL)-1ß...
December 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27935559/application-of-a-model-to-analyze-shoulder-biomechanics-in-adult-patients-with-spinal-cord-injury-when-walking-with-crutches-in-two-different-gait-patterns
#17
Enrique Perez-Rizo, Fernando Trincado-Alonso, Soraya Pérez-Nombela, Antonio Del Ama-Espinosa, Fernando Jiménez-Díaz, Vicente Lozano-Berrio, Angel Gil-Agudo
BACKGROUND: Specific biomechanical models have been developed to study gait using crutches. Clinical application of these models is needed in adult spinal cord injury (SCI) population walking with different patterns of gait with crutches to prevent overuse shoulder injuries. OBJECTIVE: To apply a biomechanical model in a clinical environment to analyze shoulder in adult SCI patients walking with two different patterns of gait with crutches: two point reciprocal gait (RG) and swing-through gait (SG)...
December 8, 2016: NeuroRehabilitation
https://www.readbyqxmd.com/read/27904235/management-of-acute-work-related-shoulder-injuries-by-an-early-shoulder-assessment-program-efficiency-of-imaging-investigations
#18
Helen Razmjou, Sandra Lincoln, Christopher Geddes, Dragana Boljanovic, Iona Macritchie, Caterina Virdo-Cristello, Danielle Medeiros, Robin R Richards
Purpose: There has been a significant increase in the number of costly investigations of the shoulder joint over the past decade. The purposes of this study were to (1) describe the diagnostic imaging investigations ordered for injured workers seen at an Early Shoulder Physician Assessment (ESPA) program, (2) evaluate the impact of these investigations on final diagnosis and management, and (3) examine how efficient the program was by determining the appropriateness of referrals and whether costly imaging was justified...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27891243/a-comprehensive-musculoskeletal-and-peripheral-nervous-system-assessment-of-war-related-bilateral-upper-extremity-amputees
#19
Mostafa Allami, Batool Mousavi, Mehdi Masoumi, Ehsan Modirian, Hadi Shojaei, Fatemeh Mirsalimi, Maryam Hosseini, Pirouz Pirouzi
BACKGROUND: Upper limb amputations are one of the unpleasant war injuries that armed forces are exposed to frequently. The present study aimed to assess the musculoskeletal and peripheral nervous systems in Iraq-Iran war veterans with bilateral upper extremity amputation. METHODS: The study consisted of taking a history and clinical examinations including demographic data, presence and location of pain, level of amputation, passive and active ranges of movement of the joints across the upper and lower extremities and spine, manual palpation, neurological examination, blood circulation pulses and issues related to a prosthetic limb...
2016: Military Medical Research
https://www.readbyqxmd.com/read/27855678/augmentation-and-repair-of-tendons-using-demineralised-cortical-bone
#20
Sherif Elnikety, Catherine J Pendegrass, Roberta Ferro de Godoy, Charles Holden, Gordon W Blunn
BACKGROUND: In severe injuries with loss of tendon substance a tendon graft or a synthetic substitute is usually used to restore functional length. This is usually associated with donor site morbidity, host tissue reactions and lack of remodelling of the synthetic substitutes, which may result in suboptimal outcome. A biocompatible graft with mechanical and structural properties that replicate those of normal tendon and ligament has so far not been identified. The use of demineralised bone for tendon reattachment onto bone has been shown to be effective in promoting the regeneration of a normal enthesis...
November 17, 2016: BMC Musculoskeletal Disorders
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