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massive rotator cuff

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https://www.readbyqxmd.com/read/28634854/micrornas-associated-with-inflammation-in-shoulder-tendinopathy-and-glenohumeral-arthritis
#1
Finosh G Thankam, Chandra S Boosani, Matthew F Dilisio, Devendra K Agrawal
Inflammation is associated with glenohumeral arthritis and rotator cuff tendon tears. Epigenetically, miRNAs tightly regulate various genes involved in the inflammatory response. Alterations in the expression profile of miRNAs and the elucidation of their target genes with respect to the pathophysiology could improve the understanding of their regulatory role and therapeutic potential. Here, we screened key miRNAs that mediate inflammation and linked with JAK2/STAT3 pathway with respect to the coincidence of glenohumeral arthritis in patients suffering from rotator cuff injury (RCI)...
June 20, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28632288/all-arthroscopic-superior-shoulder-capsule-reconstruction-with-partial-rotator-cuff-repair
#2
E Grant Sutter, Jonathan A Godin, Grant E Garrigues
Massive irreparable rotator cuff tears are difficult to treat. Although several treatment options exist, none provides superior long-term results. There is no consensus on optimal surgical technique. Superior capsular reconstruction is an operative treatment option aimed at restoring native biomechanics of the glenohumeral joint by providing a restraint to superior subluxation. Partial rotator cuff repair for massive tears has also been shown to improve shoulder kinematics and can be performed in conjunction with superior capsule reconstruction...
June 20, 2017: Orthopedics
https://www.readbyqxmd.com/read/28624239/functional-outcome-and-healing-of-large-and-massive-rotator-cuff-tears-repaired-with-a-load-sharing-rip-stop-construct
#3
Matthew P Noyes, Alexandre Ladermann, Patrick J Denard
PURPOSE: To prospectively review functional outcomes and healing rates of large and massive rotator cuff tears repaired with a load-sharing rip-stop (LSRS) technique. METHODS: Twenty-one consecutive patients underwent arthroscopic rotator cuff repair with an LSRS construct between January and December 2014. Seventeen patients with a minimum of 2 years' follow-up were included. Four patients did not complete clinical evaluations and functional outcome scores at a minimum of 2 years' follow-up and were lost to follow-up...
June 14, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28602388/arthroscopic-subacromial-spacer-implantation-in-patients-with-massive-irreparable-rotator-cuff-tears-clinical-and-radiographic-results-of-39-retrospectives-cases
#4
Julien Deranlot, Olivier Herisson, Geoffroy Nourissat, David Zbili, Jean David Werthel, Marie Vigan, Francois Bruchou
PURPOSE: To evaluate the clinical and radiographic outcome of a biodegradable subacromial spacer in the treatment of massive irreparable rotator cuff tear. METHODS: Between January 2011 and December 2014, all shoulders with symptomatic massive irreparable rotator cuff tears treated at our institution with arthroscopic implantation of a biodegradable subacromial spacer followed for at least 1 year were included in our series. Patients with osteoarthritis ≥ grade 3 in the Hamada classification were excluded...
June 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28593093/superior-capsule-reconstruction-for-massive-rotator-cuff-tears-key-considerations-for-rehabilitation
#5
Jonas Pogorzelski, Brooke M DelVecchio, Zaamin B Hussain, Erik M Fritz, Jonathan A Godin, Peter J Millett
Superior capsule reconstruction is a recently-developed surgical technique for the treatment of massive, irreparable rotator cuff tears. So far, biomechanical cadaveric studies and clinical outcomes results have been promising concerning integrity, stability, and ROM after superior capsule reconstruction. As this technique has only been recently developed, an evidence-based rehabilitation protocol has not been previously designed. Thus, the purpose of this clinical commentary is to provide an overview of superior capsule reconstruction and to propose a rehabilitation program based on the available scientific evidence...
June 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28574610/costamere-protein-expression-and-tissue-composition-of-rotator-cuff-muscle-after-tendon-release-in-sheep
#6
Severin Ruoss, Christoph B Möhl, Mario C Benn, Brigitte von Rechenberg, Karl Wieser, Dominik C Meyer, Christian Gerber, Martin Flück
Previous studies suggested that degradation of contractile tissue requires cleavage of the costamere, a structural protein complex that holds sarcomeres in place. This study examined if costamere turnover is affected by a rotator cuff tear in a previously established ovine model. We found the activity of focal adhesion kinase (FAK), a main regulator of costamere turnover, was unchanged at 2 weeks but decreased by 27% 16 weeks after surgical release of the infraspinatus tendon. This was accompanied by cleavage of the costamere protein talin into a 190 kDa fragment while full length talin remained unchanged...
June 2, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28572847/outcome-of-partial-repair-of-massive-rotator-cuff-tears-with-and-without-human-tissue-allograft-bridging-repair
#7
Radhakant Pandey, Suhayl Tafazal, Srinivasan Shyamsundar, Amit Modi, Harvinder Pal Singh
BACKGROUND: The surgical management of massive rotator cuff tears remains a challenge. It is suggested that, even in a massive tear that appears irreparable, attempting to repair it as much as possible can be helpful in improving functional outcomes. However the results can be short term and variable. The purpose of our study was to determine if human tissue allograft bridged repair of massive irreparable rotator cuff tears to achieve a complete repair produces similar outcomes compared to partial repair alone...
January 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28526423/pseudoparalysis-a-systematic-review-of-term-definitions-treatment-approaches-and-outcomes-of-management-techniques
#8
REVIEW
John M Tokish, Thomas C Alexander, Michael J Kissenberth, Richard J Hawkins
BACKGROUND: Pseudoparalysis remains one of the most challenging conditions in shoulder surgery. Long thought of as an unsolvable problem, recent advances in surgical techniques offer potential return of overhead motion in the setting of massive irreparable rotator cuff tears. This article summarizes the available literature including existing definitions and the results of different treatment approaches regarding range of motion, outcome scores, and reversal. METHODS: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic review of the MEDLINE database, Cochrane database, Physiotherapy Evidence Database, and Google Scholar database was performed for studies that defined a preoperative shoulder group as having pseudoparalysis...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28495576/quantitative-assessment-of-fatty-infiltration-and-muscle-volume-of-the-rotator-cuff-muscles-using-3-dimensional-2-point-dixon-magnetic-resonance-imaging
#9
Noboru Matsumura, Sota Oguro, Shigeo Okuda, Masahiro Jinzaki, Morio Matsumoto, Masaya Nakamura, Takeo Nagura
BACKGROUND: In patients with rotator cuff tears, muscle degeneration is known to be a predictor of irreparable tears and poor outcomes after surgical repair. Fatty infiltration and volume of the whole muscles constituting the rotator cuff were quantitatively assessed using 3-dimensional 2-point Dixon magnetic resonance imaging. METHODS: Ten shoulders with a partial-thickness tear, 10 shoulders with an isolated supraspinatus tear, and 10 shoulders with a massive tear involving supraspinatus and infraspinatus were compared with 10 control shoulders after matching age and sex...
May 8, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28483430/volumetric-evaluation-of-the-rotator-cuff-musculature-in-massive-rotator-cuff-tears-with-pseudoparalysis
#10
Yong Girl Rhee, Nam Su Cho, Jong Hoon Song, Jung Gwan Park, Tae Yong Kim
BACKGROUND: If the balance of the rotator cuff force couple is disrupted, pseudoparalysis may occur, but the exact mechanism remains unknown. This study investigated the effect of rotator cuff force couple disruption on active range of motion in massive rotator cuff tear (mRCT) by rotator cuff muscle volume analysis. METHODS: The study included 53 patients with irreparable mRCT: 22 in the nonpseudoparalysis group and 31 in the pseudoparalysis group. The volumes of the subscapularis (SBS), infraspinatus (ISP), and teres minor (TM) muscles were measured using magnetic resonance imaging (MRI), and the ratios of each muscle volume to the anatomic external rotator (aER) volume were calculated...
May 5, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28444541/reverse-shoulder-arthroplasty-for-massive-irreparable-rotator-cuff-tears-and-cuff-tear-arthropathy-a-systematic-review
#11
REVIEW
S Petrillo, U G Longo, R Papalia, V Denaro
PURPOSE: To report the outcomes and complications of reverse shoulder arthroplasty (RSA) in massive irreparable rotator cuff tears (MIRCT) and cuff tear arthropathy (CTA). METHODS: A systematic review of the literature contained in Medline, Cochrane, EMBASE, Google Scholar and Ovid databases was conducted on May 1, 2016, according to PRISMA guidelines. The key words "reverse total shoulder arthroplasty" or "reverse total shoulder prostheses" with "rotator cuff tears"; "failed rotator cuff surgery"; "massive rotator cuff tears"; "irreparable rotator cuff tears"; "cuff tear arthropathy"; "outcomes"; "complications" were matched...
April 25, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28427120/-arthroscopic-treatment-of-eldly-with-massive-rotator-cuff-tear
#12
J Shen, Y H He, D C Geng, D H Jiang, Y Z Xu
Objective: To investigate the surgical technique and clinical efficacy of arthroscopic treatment of the elderly patients with massive rotator cuff tear. Methods: From June 2012 to June 2015, thirty-six patients with massive rotator cuff tear were treated with arthroscopic and followed up. The visual analog scale(VAS)pain score, University of California Los Angeles (UCLA) scores, Constant scores and American Shoulder and Elbow Surgeons scale(ASES)were used before and after the arthroscopic surgery. Results: All the patients were followed up for average of 18...
April 18, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28400882/suprascapular-nerve-pathology-a-review-of-the-literature
#13
REVIEW
Lazaros Kostretzis, Ioannis Theodoroudis, Achilleas Boutsiadis, Nikolaos Papadakis, Pericles Papadopoulos
BACKGROUND: Suprascapular nerve pathology is a rare diagnosis that is increasingly gaining popularity among the conditions that cause shoulder pain and dysfunction. The suprascapular nerve passes through several osseoligamentous structures and can be compressed in several locations. METHODS: A thorough literature search was performed using online available databases in order to carefully define the pathophysiology and to guide diagnosis and treatment. RESULTS: Suprascapular neuropathy diagnosis is based on a careful history and a thorough clinical and radiological examination...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28400877/latissimus-dorsi-transfer-in-posterior-irreparable-rotator-cuff-tears
#14
REVIEW
Panagiotis P Anastasopoulos, George Alexiadis, Sarantis Spyridonos, Emmanouil Fandridis
BACKGROUND: Massive rotator cuff tears pose a difficult and complex challenge even for the experienced surgeon; inability to repair these tears by conventional means designates them as irreparable, while management becomes quite taxing. Several operative options have been suggested for the management of such lesions with varying degrees of success, while it is imperative to match patient demands and expectations to the predicted outcome. METHODS: Research articles are examined and key concepts are discussed, in order to provide an evidence based review of the available literature...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28378277/classifications-in-brief-hamada-classification-of-massive-rotator-cuff-tears
#15
Tyler J Brolin, Gary F Updegrove, John G Horneff
No abstract text is available yet for this article.
April 4, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28373953/arthroscopic-partial-repair-of-irreparable-massive-rotator-cuff-tears
#16
Roberto Castricini, Olimpio Galasso, Daria Anna Riccelli, Filippo Familiari, Massimo De Benedetto, Nicola Orlando, Giorgio Gasparini
Several treatment options for chronic, massive rotator cuff tears exist, and they include debridement with possible biceps tenotomy or tenodesis, open or arthroscopic partial repair, muscle or tendon transfer, superior capsule reconstruction, synthetic patch augmentation, and reverse total shoulder arthroplasty. The aim of this technique article is to describe our preferred surgical option for irreparable, massive rotator cuff tears with an irreparable supraspinatus, a reparable infraspinatus, and an intact or reparable subscapularis tendon...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28369135/engineered-stem-cell-niche-matrices-for-rotator-cuff-tendon-regenerative-engineering
#17
M Sean Peach, Daisy M Ramos, Roshan James, Nicole L Morozowich, Augustus D Mazzocca, Steven B Doty, Harry R Allcock, Sangamesh G Kumbar, Cato T Laurencin
Rotator cuff (RC) tears represent a large proportion of musculoskeletal injuries attended to at the clinic and thereby make RC repair surgeries one of the most widely performed musculoskeletal procedures. Despite the high incidence rate of RC tears, operative treatments have provided minimal functional gains and suffer from high re-tear rates. The hypocellular nature of tendon tissue poses a limited capacity for regeneration. In recent years, great strides have been made in the area of tendonogenesis and differentiation towards tendon cells due to a greater understanding of the tendon stem cell niche, development of advanced materials, improved scaffold fabrication techniques, and delineation of the phenotype development process...
2017: PloS One
https://www.readbyqxmd.com/read/28345960/graft-utilization-in-the-bridging-reconstruction-of-irreparable-rotator-cuff-tears-a-systematic-review
#18
Matthew R Lewington, Devin P Ferguson, T Duncan Smith, Robert Burks, Catherine Coady, Ivan Ho-Bun Wong
BACKGROUND: Rotator cuff tears are one of the most common conditions affecting the shoulder. Because of the difficulty in managing massive rotator cuff tears and the inability of standard techniques to prevent arthropathy, surgeons have developed several novel techniques to improve outcomes and ideally alter the natural history. PURPOSE: To systematically review the existing literature and analyze reported outcomes to evaluate the effectiveness of using a bridging graft reconstruction technique to treat large to massive irreparable rotator cuff tears...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28341266/influence-of-fixation-point-of-latissimus-dorsi-tendon-transfer-for-irreparable-rotator-cuff-tear-on-glenohumeral-external-rotation-a-cadaver-study
#19
K Bargoin, M Boissard, J Kany, J Grimberg
Latissimus dorsi tendon transfer is a surgical option for treating irreparable posterosuperior rotator cuff tears, notably when attempting to reconstruct active external rotation. We hypothesized that the positioning of the transfer's point of fixation would differ depending on the desired elbow-to-body external rotation or external rotation with the elbow abducted. MATERIAL AND METHODS: Seven shoulders from four whole frozen cadavers were used. We created two systems to install the subject in a semi-seated position to allow external rotation elbow to body and the arm abducted 90°...
December 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28318302/isolated-subscapularis-repair-in-irreparable-posterosuperior-massive-rotator-cuff-tears-involving-the-subscapularis-tendon
#20
Sung-Jae Kim, Yun-Rak Choi, Min Jung, Won-Yong Lee, Yong-Min Chun
BACKGROUND: No previous study has examined whether isolated subscapularis tendon repair in irreparable posterosuperior massive rotator tears involving the subscapularis tendon in relatively young patients without arthritis can yield satisfactory outcomes. HYPOTHESIS: We hypothesized that this procedure would produce favorable outcomes in patients who might otherwise be candidates for reverse arthroplasty. STUDY DESIGN: Case series; Level of evidence, 4...
May 2017: American Journal of Sports Medicine
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