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https://www.readbyqxmd.com/read/29675500/migration-of-mesenchymal-stem-cells-of-bursal-tissue-after-rotator-cuff-repair-in-rats
#1
Elem Safi, Andreas Ficklscherer, Maryna Bondarava, Oliver Betz, Anja Zhang, Volkmar Jansson, Peter E Müller
Purpose  The purpose of this study is to verify migration of mesenchymal stem cells of bursal tissue into the healing site after rotator cuff repair in rats. Methods  Fischer rats and green fluorescent protein (GFP)-transgenic rats were used. Bursal tissue from GFP rats was isolated and transplanted into tendon repair sites in Fischer rats. We examined the histology of the rotator cuff and the proportion of GFP-positive cells in the repaired rotator cuff 1, 3, and 6 weeks after surgery. Results  Cell migration was observed during the third and sixth week after surgery...
March 2018: Joints
https://www.readbyqxmd.com/read/29669489/validity-and-responsiveness-of-the-short-version-of-western-ontario-rotator-cuff-index-short-worc-in-patients-with-rotator-cuff-repair
#2
Neha Dewan, Joy C MacDermid, Norma MacIntyre
Study Design Clinical measurement. Background Recently, the Western Ontario Rotator Cuff Index (WORC) has been shortened; but few studies report measurement properties. Objective To compare the validity and responsiveness of disease-specific measures, short version of the Western Ontario Rotator Cuff Index (Short-WORC) and WORC with comparator measures (joint-specific: Shoulder Pain and Disability Index; SPADI, Simple Shoulder Test; SST); region-specific (Disabilities of the Arm, Shoulder and Hand; DASH); general health status (12-item short form health survey; SF-12v2)) in the patients undergoing rotator cuff repair (RCR)...
April 18, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29669443/arthroscopic-knotless-single-row-repair-preserving-full-footprint-versus-tear-completion-repair-for-partial-articular-sided-rotator-cuff-tear
#3
Cen Tao Liu, Heng An Ge, Rui Hu, Jing Biao Huang, Yi Chao Cheng, Min Wang, Peng Wu, Biao Cheng
BACKGROUND: The comparison of clinical outcomes of arthroscopic footprint-preserving knotless single-row repair with the tear completion repair technique for articular-sided partial-thickness rotator cuff tears (PTRCTs) remains unclear. METHODS: A total of 68 patients diagnosed with articular-sided PTRCTs who underwent rotator cuff repair between December 2014 and June 2015 were included. Of the 68 patients, 30 received footprint-preserving knotless single-row repair (group 1) and 38 received the tear completion repair technique (group 2)...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29669311/a-new-clinical-model-for-facilitating-the-development-of-pattern-recognition-skills-in-clinical-pain-assessment
#4
David M Walton, James M Elliott
Common, enigmatic musculoskeletal conditions such as whiplash-associated disorder, myofascial pain syndrome, low back pain, headache, fibromyalgia, osteoarthritis, and rotator cuff pathology, account for significant social, economic, and personal burdens on a global scale. Despite their primacy (and shared sequelae) there remains a paucity of available and effective management options for patients with both acute and chronic conditions. Establishing an accurate prognostic or diagnostic profile on a patient-by-patient basis can challenge the insight of both novice and expert clinicians...
April 9, 2018: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/29668776/muscle-regeneration-through-therapy-with-estromal-stem-cells-in-injury-of-infraespinhosus-muscle-of-sheep
#5
Aline Grama Moreira Brandão, Angélica Consalter, Juliana da Silva Leite, Helia Zamprogno, Ana Maria Reis Ferreira
PURPOSE: To evaluate the effects of rotator cuff muscle regeneration in sheep and establish an experimental model for the use of autologous stem cells as a treatment option for tendon injuries. METHODS: Infrared muscle tenotomies and Penrose drain implantation were performed on 12 shoulders of six clinically healthy adult sheep. After 60 days, the tendons were submitted to tissue repair, drainage removal, and divided into two groups according to the use of autologous stromal stem cells for treatment...
March 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29665765/sub-acromial-balloon-spacer-for-irreparable-rotator-cuff-tears-is-it-an-appropriate-salvage-procedure
#6
Dan Prat, Shay Tenenbaum, Moshe Pritsch, Ariel Oran, Guy Vogel
INTRODUCTION: Irreparable rotator cuff tear (RCT) presents a difficult treatment challenge for the orthopaedic surgeon. Many treatment strategies with varying degrees of success have been performed over the years. One of the suggested surgical treatment options is the use of a biodegradable sub-acromial balloon spacer. METHODS: A retrospective study of patients treated with sub-acromial balloon spacer between the years 2011 and 2016 was conducted. Mean follow-up time was 14...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29665605/-shoulder-arthroplasty
#7
Anna Krukenberg, Jan-Philipp Imiolczyk, Philipp Moroder, Markus Scheibel
Shoulder arthroplasty has been performed increasingly during the last years. The concept of modern anatomic shoulder arthroplasty is based on C. S. Neer's first shoulder prosthesis in the 1950s which was originally designed for the treatment of fractures of the proximal humerus. Since then, this monoblock prosthesis has undergone many changes and improvements. By now, an anatomic reconstruction of the joint is possible. Hence, the indications for anatomic shoulder arthroplasty have been added amongst others by osteoarthritis, necrosis, rheumatoid arthritis or posttraumatic arthritis...
April 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29664803/posterior-shoulder-dislocation-associated-with-the-head-splitting-and-humeral-neck-fracture-impact-of-understanding-radiologic-signs-and-experience-with-an-extended-deltopectoral-approach
#8
Kemal Gokkus, Ergin Sagtas, Hasan Kara, Ahmet T Aydin
In this paper, our main objective was to emphasize the competency of extended deltopectoral exposure, enforced with the supraspinatus and subscapularis detachment, to gain access to the entire head. The second important point in this paper was to underline the importance of the knowledge that is necessary for interpreting classic radiologic signs of posterior fracture-dislocation of the shoulder. A 47-year-old woman fell down directly onto her shoulder while she was skiing. She was diagnosed with posterior shoulder dislocation, associated with fracture of the head (head splitting) and humeral neck fracture, with the aid of plain radiographs and computed tomographic results...
April 11, 2018: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29659428/rotator-cuff-tear-morphologic-parameters-at-magnetic-resonance-imaging-relationship-with-muscle-atrophy-and-fatty-infiltration-and-patient-reported-function-and-health-related-quality-of-life
#9
Nathalie J Bureau, Maguy Deslauriers, Marianne Lepage-Saucier, Dominique M Rouleau, André Roy, Patrice Tétreault, Nicola Hagemeister
OBJECTIVE: The aim of this study was to determine the relationship between rotator cuff tear (RCT) morphologic parameters and muscle atrophy and fatty infiltration, and patient-reported outcome measures, in patients with symptomatic full-thickness RCT. METHODS: Rotator cuff tear location, length, width, thickness, and musculotendinous junction position were assessed in 57 magnetic resonance imaging scans and correlated to the outcome measures using multivariate regression analysis...
April 13, 2018: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/29657846/reverse-total-shoulder-arthroplasty
#10
Filippo Familiari, Jorge Rojas, Mahmut Nedim Doral, Gazi Huri, Edward G McFarland
Since the introduction of reverse total shoulder arthroplasty (RTSA) in 1987 (in Europe) and 2004 (in the United States), the number of RTSAs performed annually has increased.Although the main indication for RTSA has been rotator cuff tears, indications have expanded to include several shoulder conditions, many of which involve dysfunction of the rotator cuff.RTSA complications have been reported to affect 19% to 68% of patients and include acromial fracture, haematoma, infection, instability, mechanical baseplate failure, neurological injury, periprosthetic fracture and scapular notching...
February 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29657471/arthroscopic-knotless-rotator-cuff-repair-factors-associated-with-construct-selection-and-recent-trends-from-a-manual-review-of-1617-cases
#11
Sarav S Shah, Aalok Shah, Vivek Chadayammuri, Marlena McGill, Nicole Wei, David V Tuckman, Nicholas A Sgaglione
Purpose: Our aim was to identify predictors of construct selection and recent trends for arthroscopic knotless rotator cuff repair (RCR). Methods: A manual review of 1617 operative reports was performed. Results: A medium-sized tear had a threefold increase in odds of single row (SR) knotless repair (OR, 6.91; p = 0.009) versus SR knotted (OR, 3.05; p = 0.003). Generalist orthopaedic surgeons were 79% less likely to perform SR knotless repairs versus sports medicine trained specialists (p < 0...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29657448/diagnostic-difficulties-in-the-radiological-assessment-of-subscapularis-tears
#12
Jonathan R N Ward, Naeil Lotfi, Richard G Dias, Timothy J McBride
Background: Radiological evaluation of rotator cuff tears are sensitive and specific. Accuracy may be low in diagnosing subscapularis tears. Materials and methods: We retrospectively reviewed shoulder arthroscopies performed by two surgeons over 45 months. We reviewed patients who had subscapularis repairs and their preoperative imaging. Result: 286 cases had imaging (193 MRIs, 93 USS) with 77 subscapularis repairs. MRI suggested 31 tears, arthroscopy confirmed 16 (30% sensitivity, 89% specificity)...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29651893/differences-among-overhand-three-quarter-and-sidearm-pitching-biomechanics-in-professional-baseball-players
#13
Rafael F Escamilla, Jonathan S Slowik, Alek Z Diffendaffer, Glenn S Fleisig
The purpose of this study was to assess biomechanical differences among overhand, three-quarter, and sidearm arm-slot professional baseball pitchers. It was hypothesized that kinematic-and-kinetic differences would be found among the three groups, with sidearm pitchers demonstrating greater movement along the transverse plane, and overhead pitchers demonstrating greater movement along the sagittal plane. Based upon arm-slot-angle at ball-release, 30-overhand, 156-three-quarter, and 21-sidearm pitchers were tested using a 240-Hz-motion-analysis-system, and 37 kinematic-and-kinetic parameters were calculated...
April 13, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29650523/the-enigma-of-rotator-cuff-tears-and-the-case-for-uncertainty
#14
EDITORIAL
Chris Littlewood, Amar Rangan, David John Beard, Julia Wade, Tina Cookson, Nadine E Foster
No abstract text is available yet for this article.
April 12, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29648956/chronic-health-risks-in-commercial-fishermen-a-cross-sectional-analysis-from-a-small-rural-fishing-village-in-alaska
#15
Carly Eckert, Torie Baker, Debra Cherry
OBJECTIVES: The purpose of this study is to evaluate chronic health risks before and during the fishing season in a sample of commercial fishermen, addressing the NIOSH priority of Total Worker HealthTM . METHODS: Gillnet license holders in Cordova, Alaska (n = 607) were contacted to participate in a preseason survey (March 2015) assessing health behaviors. A mid-season survey (July 2015) was also conducted. Physical exams and additional assessments were performed on a subset of these fishermen...
2018: Journal of Agromedicine
https://www.readbyqxmd.com/read/29648474/postoperative-new-onset-pseudoparalysis-a-retrospective-analysis-of-430-consecutive-arthroscopic-repairs-for-large-to-massive-rotator-cuff-tears
#16
Hyeon Jang Jeong, Sung Min Rhee, Joo Han Oh
BACKGROUND: The authors have sometimes encountered postoperative new-onset pseudoparalysis (PONP) after arthroscopic repair for large to massive rotator cuff tear (ARCR). As there are insufficient data regarding PONP, the authors aimed to determine whether such a condition is characterized by obvious risk factors, as well as to assess the conditions under which it can be reversed. PURPOSE: To evaluate the predictors of PONP development after ARCR and its reversal and to integrate these predictors into a scoring system that can be applied in clinical practice...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29629813/summative-report-on-time-out-of-play-for-major-and-minor-league-baseball-an-analysis-of-49-955-injuries-from-2011-through-2016
#17
Christopher L Camp, Joshua S Dines, Jelle P van der List, Stan Conte, Justin Conway, David W Altchek, Struan H Coleman, Andrew D Pearle
BACKGROUND: Recent epidemiologic reports have demonstrated rising injury rates in Major League Baseball (MLB) and Minor League Baseball (MiLB). Although several studies have recently been published on specific injuries, the majority of injuries have not yet been formally studied. PURPOSE: The purpose of this study is to (1) generate a summative analysis of all injuries that occur in MLB and MiLB, (2) identify the 50 most common injuries, and (3) generate focused reports and fact sheets on the characteristics of each of those diagnoses...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29629579/anatomical-total-shoulder-arthroplasty-in-young-patients-with-osteoarthritis
#18
M O Gauci, N Bonnevialle, G Moineau, M Baba, G Walch, P Boileau
Aims Controversy about the use of an anatomical total shoulder arthroplasty (aTSA) in young arthritic patients relates to which is the ideal form of fixation for the glenoid component: cemented or cementless. This study aimed to evaluate implant survival of aTSA when used in patients aged < 60 years with primary glenohumeral osteoarthritis (OA), and to compare the survival of cemented all-polyethylene and cementless metal-backed glenoid components. Materials and Methods A total of 69 consecutive aTSAs were performed in 67 patients aged < 60 years with primary glenohumeral OA...
April 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29628713/rotator-cuff-tears-in-the-pediatric-population-comparing-findings-on-arthroscopic-evaluation-to-pre-operative-magnetic-resonance-imaging
#19
Jose R Perez, Dustin Massel, Carlos M Barrera, Michael G Baraga, Juan Pretell-Mazzini, Lee D Kaplan, Jean Jose
No abstract text is available yet for this article.
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29628705/ultrasound-guided-versus-landmark-guided-corticosteroid-injection-in-patients-with-rotator-cuff-syndrome-randomised-controlled-trial
#20
Himanshu Bhayana, Puneet Mishra, Anupama Tandon, Amite Pankaj, Rohit Pandey, Raskesh Malhotra
Objective: Impingement syndrome is the most common differential in a patient presenting to an orthopaedic OPD with shoulder pain. Impingement syndrome is often managed with subacromial corticosteroid injection, which can be instilled using either landmark guided (LMG) approach or with the assistance of ultrasound (US). This study was envisaged to enquire whether ultrasound assistance improves the accuracy, efficacy or safety profile of the injection. Methods: 60 patients of rotator cuff syndrome underwent diagnostic ultrasound...
March 2018: Journal of Clinical Orthopaedics and Trauma
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