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https://www.readbyqxmd.com/read/28101634/is-the-arthroscopic-suture-bridge-technique-suitable-for-full-thickness-rotator-cuff-tears-of-any-size
#1
Sung Hyun Lee, Jeong Woo Kim, Tae Kyun Kim, Seok Hyun Kweon, Hong Je Kang, Se Jin Kim, Jin Sung Park
PURPOSE: The purpose of this study was to compare functional outcomes and tendon integrity between the suture bridge and modified tension band techniques for arthroscopic rotator cuff repair. METHODS: A consecutive series of 128 patients who underwent the modified tension band (MTB group; 69 patients) and suture bridge (SB group; 59 patients) techniques were enrolled. The pain visual analogue scale (VAS), Constant, and American Shoulder and Elbow Surgeons (ASES) scores were determined preoperatively and at the final follow-up...
January 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28098497/magnetic-resonance-arthrography-results-that-indicate-surgical-treatment-for-partial-articular-sided-supraspinatus-tendon-avulsion-a-retrospective-study-in-a-tertiary-center
#2
Seok Hahn, Young Han Lee, Yong-Min Chun, Eun Hae Park, Jin-Suck Suh
Background Specific findings on magnetic resonance arthrography (MRA) that indicate the need for surgery in patients with partial articular-sided supraspinatus tendon avulsion (PASTA) are not well understood. Purpose To determine which MRA findings are characteristic of patients who undergo surgery for PASTA. Material and Methods From July 2011 to February 2014, MRA findings for patients treated for PASTA were retrospectively reviewed. The patients were divided into two groups: conservative treatment and surgical repair...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28096319/rotator-cuff-impingement-associated-with-type-iii-acromial-morphology-in-a-young-athlete-a-case-for-early-imaging
#3
James Inklebarger, Giles Gyer, Anand Parkunan, Nikiforos Galanis, Jimmy Michael
Down-sloped or hooked acromion morphologies may cause bony encroachment on the soft tissues of the subacromial space, predisposing to shoulder impingement syndrome. Of the latter, a hooked or Type III acromion (T3A) has also been linked to rotator cuff (RC) pathology. However, as bony acromial impingement is typically thought to occur over the age of 40, its occurrence in younger shoulder athletes presenting with shoulder pain, impingement and RC pathology may be overlooked. This case serves to illustrate the occurrence of T3A in a younger shoulder athlete, and the importance of early imaging in achieving diagnostic accuracy...
January 16, 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28093363/alignment-of-collagen-fiber-in-knitted-silk-scaffold-for-functional-massive-rotator-cuff-repair
#4
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/28089826/comparison-of-histologic-healing-and-biomechanical-characteristics-between-repair-techniques-for-a-delaminated-rotator-cuff-tear-in-rabbits
#5
Sang-Jin Cheon, Jung-Han Kim, Heui-Chul Gwak, Chang-Wan Kim, Jeon-Kyo Kim, Ji-Hwan Park
BACKGROUND: The purpose of this study was to compare histologic healing and biomechanical characteristics between 2 repair techniques (layer by layer, repair of each layer to bone separately; and whole layer, repair of each layer to the bone en masse) for delaminated rotator cuff tear. MATERIALS AND METHODS: Rabbits were used as subjects and classified into 2 groups: group A, right side, the layer-by-layer repair group; and group B, left side, the whole-layer repair group...
January 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28089497/biomechanical-comparison-of-standard-and-linked-single-row-rotator-cuff-repairs-in-a-human-cadaver-model
#6
Adam F Meisel, Heath B Henninger, F Alan Barber, Mark H Getelman
PURPOSE: The purpose of this study was to evaluate the time zero cyclic and failure loading properties of a linked single-row rotator cuff repair compared with a standard simple suture single-row repair using triple-loaded suture anchors. METHODS: Eighteen human cadaveric shoulders from 9 matched pairs were dissected, and full-thickness supraspinatus tears were created. The tendon cross-sectional area was recorded. In each pair, one side was repaired with a linked single-row construct and the other with a simple suture single-row construct, both using 2 triple-loaded suture anchors...
January 12, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28089496/cell-toxicity-in-fibroblasts-tenocytes-and-human-mesenchymal-stem-cells-a-comparison-of-necrosis-and-apoptosis-inducing-ability-in-ropivacaine-bupivacaine-and-triamcinolone
#7
Anja Z Zhang, Andreas Ficklscherer, Mehmet F Gülecyüz, Alexander C Paulus, Thomas R Niethammer, Volkmar Jansson, Peter E Müller
PURPOSE: To analyze the ability of ropivacaine, bupivacaine, and triamcinolone to induce apoptosis and necrosis in fibroblasts, tenocytes, and human mesenchymal stem cells. METHODS: Human dermal fibroblasts, adipose-derived human mesenchymal stem cells (hMSCs), and tenocytes gained from the rotator cuff tendon were seeded with a cell density of 0.5 × 10(4)/cm(2). One specimen of ropivacaine, bupivacaine, and triamcinolone was tested separately on the cells with separate concentrations of 0...
January 12, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28089260/are-degenerative-rotator-cuff-disorders-a-cause-of-shoulder-pain-comparison-of-prevalence-of-degenerative-rotator-cuff-disease-to-prevalence-of-nontraumatic-shoulder-pain-through-three-systematic-and-critical-reviews
#8
Karl Vincent, Charlotte Leboeuf-Yde, Olivier Gagey
HYPOTHESIS AND BACKGROUND: The role of degeneration is not well understood for rotator cuff pain. If age-related degenerative changes would be the cause of symptoms, degeneration would precede or concur with self-reported pain. We performed 3 systematic literature reviews. Our objectives were to determine the prevalence estimates for rotator cuff partial or complete tears (1) in cadavers and (2) in the general population and (3) to estimate the incidence/prevalence of self-reported nontraumatic shoulder pain in the general population in order to compare their respective age-related profiles...
January 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28089257/the-natural-course-of-nonoperatively-treated-rotator-cuff-tears-an-8-8-year-follow-up-of-tear-anatomy-and-clinical-outcome-in-49-patients
#9
Stefan Moosmayer, Anne V Gärtner, Rana Tariq
BACKGROUND: The natural course of nonoperatively treated rotator cuff tears is not fully understood. We explored the long-term development of tear anatomy and assessed functional outcomes. METHODS: Eighty-nine small to medium-sized full-thickness tears of the rotator cuff, all primarily treated by physiotherapy, were identified retrospectively. Twenty-three tears needed surgical treatment later on, and 17 patients were unable to meet for follow-up. The remaining 49 still unrepaired tears were re-examined after 8...
January 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28087164/anatomic-study-and-electromyographic-analysis-of-the-teres-minor-muscle
#10
Junichiro Hamada, Akimoto Nimura, Kunio Yoshizaki, Keiichi Akita
BACKGROUND: The teres minor muscle is a focused topic on the treatment of massive rotator cuff tears and reverse total shoulder arthroplasty. Its precise anatomy and function have not been completely investigated. The purposes of this study were to anatomically investigate the muscle and analyze electromyographic (EMG) activities during shoulder motion. METHODS: This anatomic study used 20 shoulders from deceased donors (mean age, 75.0 years). EMG data were recorded from 10 healthy volunteers (mean age, 21...
January 10, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28086879/validity-evidence-for-two-objective-structured-clinical-examination-stations-to-evaluate-core-skills-of-the-shoulder-and-knee-assessment
#11
Michael J Battistone, Andrea M Barker, J Peter Beck, Robert Z Tashjian, Grant W Cannon
BACKGROUND: We developed two objective structured clinical examinations (OSCEs) to educate and evaluate trainees in the evaluation and management of shoulder and knee pain. Our objective was to examine the evidence for validity of these OSCEs. METHODS: A multidisciplinary team of content experts developed checklists of exam maneuvers and criteria to guide rater observations. Content was proposed by faculty, supplemented by literature review, and finalized using a Delphi process...
January 13, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28078874/tendonitis-of-the-rotator-cuff-treated-with-extracorporeal-shock-wave-therapy-radiographic-monitoring-to-identify-prognostic-factors-for-disintegration
#12
A Notarnicola, L Moretti, G Maccagnano, S Tafuri, B Moretti
Extracorporeal shock wave therapy (ESWT) is widely used for calcific tendonitis of the shoulder. The initial rationale for this therapy was to break the calcification, but this effect does not always occur. To date, we do not know how calcifications evolve or why they may be less responsive to the action of the shock waves. One hundred and seventy-four shoulders with calcific tendinitis were prospectively evaluated before and after ESWT, using the radiographic classifications according to Gartner and Heyer, to Bosworth and to Molè...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077355/no-evidence-for-the-use-of-stem-cell-therapy-for-tendon-disorders-a-systematic-review
#13
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/28076600/use-of-cuff-tear-arthroplasty-head-prosthesis-for-rotator-cuff-arthropathy-treatment-in-elderly-patients-with-comorbidities
#14
Cassiano Diniz Carvalho, Carlos Vicente Andreoli, Alberto de Castro Pochini, Benno Ejnisman
Objective: To evaluate the clinical and functional behavior of patients undergoing cuff tear arthroplasty at different stages of the disease. Methods: Cuff tear arthroplasty hemiarthroplasties were performed in 34 patients with rotator cuff arthropathy and associated comorbidities, classified according to Seebauer. The mean age was 76.3 years, and the sample comprised 23 females (67.6%) and 11 males (32.4%). The mean follow-up period was 21.7 months, and evaluations were performed using the Visual Analog Scale for pain and the Constant scale...
October 2016: Einstein
https://www.readbyqxmd.com/read/28074776/morphological-classification-of-acromial-spur-correlation-between-rockwood-tilt-view-and-arthroscopic-finding
#15
Pinkawas Kongmalai, Adinun Apivatgaroon, Bancha Chernchujit
: Purpose and hypothesis: Acromion spur is the extrinsic factor for impingement syndrome and rotator cuff tear. The Rockwood tilt view can be used to evaluate prominence of the anterior acromion, however no study has shown the correlation of findings between the Rockwood tilt view and the arthroscopic finding. METHODS: We developed the arthroscopic classification of acromion spur as type 1 flat spur, type 2 bump spur, type 3 heel spur, type 4 keel spur, and type 5 irregular spur...
2017: SICOT-J
https://www.readbyqxmd.com/read/28071815/effect-of-glenohumeral-elevation-on-subacromial-supraspinatus-compression-risk-during-simulated-reaching
#16
Rebekah L Lawrence, Dustin M Schlangen, Katelyn A Schneider, Jonathan Schoenecker, Andrea L Senger, William C Starr, Justin L Staker, Jutta M Ellermann, Jonathan P Braman, Paula M Ludewig
Mechanical subacromial rotator cuff compression is one theoretical mechanism in the pathogenesis of rotator cuff disease. However, the relationship between shoulder kinematics and mechanical subacromial rotator cuff compression across the range of humeral elevation motion is not well understood. The purpose of this study was to investigate the effect of humeral elevation on subacromial compression risk of the supraspinatus during a simulated functional reaching task. Three-dimensional anatomical models were reconstructed from shoulder magnetic resonance images acquired from 20 subjects (10 asymptomatic, 10 symptomatic)...
January 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28070148/comparison-of-the-epidemiology-and-outcomes-of-traumatic-and-nontraumatic-rotator-cuff-tears
#17
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/28067561/current-concepts-in-the-management-of-irreparable-rotator-cuff-tears
#18
Mustafa Javed, Angus Robertson, Richard Evans
Irreparable rotator cuff tears can be painful and cause significant limitation of shoulder function. Treatment protocols have been proposed but there is no current gold standard for their management. This article summarizes the evidence for current practice in their treatment.
January 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28064003/a-semi-automated-quantitative-ct-method-for-measuring-rotator-cuff-muscle-degeneration-in-shoulders-with-primary-osteoarthritis
#19
Alexandre Terrier, Julien Ston, Antoine Dewarrat, Fabio Becce, Alain Farron
BACKGROUND: Rotator cuff muscle degeneration is an important parameter to consider when planning shoulder arthroplasty. HYPOTHESIS: We hypothesized that rotator cuff muscle degeneration is correlated with scapulohumeral subluxation in patients planned for anatomical total shoulder arthroplasty (TSA). MATERIALS AND METHODS: We developed a semi-automated quantitative CT method to measure rotator cuff muscle degeneration, and retrospectively analyzed 107 preoperative shoulder CT scans of patients with primary osteoarthritis...
January 4, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28063677/the-results-of-tension-band-rotator-cuff-suture-fixation-of-locked-plating-of-displaced-proximal-humerus-fractures
#20
Dave R Shukla, Steven McAnany, Christian Pean, Samuel Overley, Andrew Lovy, Bradford O Parsons
INTRODUCTION: The purpose of this study was to assess 1-year outcomes of patients with displaced proximal humerus fractures who underwent treatment with locked plate fixation with rotator cuff suture augmentation. METHODS: A total of 86 patients who had sustained 2, 3 and 4-part displaced proximal humerus fractures underwent locked plate fixation with multiple sutures placed in the cuff tendons. Clinical outcome variables included active forward elevation (AFE), active external rotation (AER), and Constant and American Shoulder and Elbow Surgeons (ASES) scores...
December 29, 2016: Injury
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