Arthroscopic partial repair with versus without biodegradable subacromial spacer for patients with massive rotator cuff tears: a case–control study

2020 ◽  
Author(s):  
M.-A. Malahias ◽  
E. Brilakis ◽  
G. Avramidis ◽  
A. Trellopoulos ◽  
E. Antonogiannakis
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Partial Repair ◽  
Massive Rotator Cuff Tears ◽  
Control Study

Scapular Morphologic Characteristics and Rotator Cuff Tear Pattern Are Independently Associated With Chronic Pseudoparalyis: A Matched-Pair Analysis of Patients With Massive Rotator Cuff Tears

2020 ◽  
Vol 48 (9) ◽  
pp. 2137-2143 ◽  
Author(s):  
Lukas Ernstbrunner ◽  
Rany El Nashar ◽  
Samy Bouaicha ◽  
Karl Wieser ◽  
Christian Gerber
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Matched Pair ◽  
Factors Associated ◽  
Massive Rotator Cuff Tears ◽  
Morphologic Characteristics ◽  
Control Study ◽  
Scapular Plane

Background: It is unclear which structural parameters determine the development or the absence of chronic pseudoparalysis (PP) in patients with massive rotator cuff tears (mRCTs). Purpose: To determine whether scapular morphologic characteristics and extent of rotator cuff tearing are independent factors associated with chronic PP. Study Design: Case-control study; Level of evidence, 3. Methods: In this retrospective case-control study, 50 patients with chronic mRCT (≥2 fully detached tendons) and active scapular plane abduction less than 90° (PP group) were age- and sex-matched with a cohort of 50 patients with chronic mRCT and an active scapular plane abduction greater than 90° (non-PP; NPP group). Analysis of standardized, plain radiographs included measurement of the critical shoulder angle (CSA) and the acromiohumeral distance (ACHD) on anteroposterior views and measurement of posterior acromial tilt, anterior and posterior acromial coverage, and posterior acromial height on standardized outlet views. Measurements on magnetic resonance imaging included fatty muscle infiltration, anterior (subscapularis) and posterior (infraspinatus/teres minor) tear extension, and global tear extension (anterior + posterior tear extension) in the parasagittal plane. Results: Overall, no significant difference was found in patients’ demographic characteristics ( P > .05). Univariate analyses confirmed significant differences between the PP and NPP groups in active scapular plane abduction (51°± 22° vs 135°± 29°; P < .001). Multivariate analyses revealed independent factors associated with PP compared with the NPP group: CSA (38.2°± 4.6° vs 35.2°± 3.7°; P = .001); ACHD (4.7 ± 2.2 vs 7.3 ± 2.6 mm; P < .001); posterior acromial height (22 ± 10 vs 17 ± 7 mm; P = .005); and anterior (–9°± 21° vs 25°± 12°; P < .001) and posterior (–18°± 14° vs 2°± 14°; P < .001) tear extension. The NPP group had significantly less involvement and fatty infiltration of the subscapularis (1.4 ± 0.6) compared with the PP group (2.2 ± 0.9) ( P < .001). Conclusion: This study confirms that global RCT extension and the quality of the inferior half of the subscapularis are significantly associated with chronic pseudoparalysis. The study further shows that acromial morphologic characteristics are relevant in the development of pseudoparalysis. Patients with pseudoparalysis have a larger CSA, less ACHD, and a higher positioned acromion in the sagittal plane.

Non-anatomic arthroscopic repair of massive rotator cuff tears versus anatomic complete arthroscopic repair: a case-control study

2019 ◽  
Vol 104 (2) ◽  
pp. 187-193 ◽  
Author(s):  
M.-A. Malahias ◽  
G. Avramidis ◽  
E. Brilakis ◽  
A. Trellopoulos ◽  
E. Antonogiannakis
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Arthroscopic Repair ◽  
Rotator Cuff Tears ◽  
Massive Rotator Cuff Tears ◽  
Control Study

scholarly journals Genetics of rotator cuff tears: no association of col5a1 gene in a case-control study

2018 ◽  
Vol 19 (1) ◽  
Author(s):  
Umile Giuseppe Longo ◽  
Katia Margiotti ◽  
Stefano Petrillo ◽  
Giacomo Rizzello ◽  
Caterina Fusilli ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Control Study

scholarly journals Performance After Rotator Cuff Tear and Operative Treatment: A Case-Control Study of Major League Baseball Pitchers

2011 ◽  
Vol 46 (3) ◽  
pp. 296-302 ◽  
Author(s):  
Surena Namdari ◽  
Keith Baldwin ◽  
Albert Ahn ◽  
G. Russell Huffman ◽  
Brian J. Sennett
Keyword(s):  
Rotator Cuff ◽  
Operative Treatment ◽  
Case Control Study ◽  
Major League Baseball ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Performance Variables ◽  
Major League ◽  
Rotator Cuff Surgery ◽  
Control Study

Context: Little is known about pitching performance or lack of it among Major League Baseball (MLB) pitchers who undergo operative treatment of rotator cuff tears. Objective: To assess pitching performance outcomes in MLB players who needed operative treatment of rotator cuff tears and to compare performance in these athletes with that in a control group of MLB players. Design: Case-control study. Setting: Publicly available player profiles, press releases, and team injury reports. Patients or Other Participants: Thirty-three MLB pitchers with documented surgery to treat rotator cuff tears and 117 control pitchers who did not have documented rotator cuff tears were identified. Main Outcome Measure(s): Major League Baseball pitching attrition and performance variables. Results: Players who underwent rotator cuff surgery were no more likely not to play than control players. Performance variables of players who underwent surgery improved after surgery but never returned to baseline preoperative status. Players who needed rotator cuff surgery typically were more experienced and had better earned run averages than control players. Conclusions: Pitchers who had symptomatic rotator cuff tears that necessitated operative treatment tended to decline gradually in performance leading up to their operations and to improve gradually over the next 3 seasons. In contrast to what we expected, they did not have a greater attrition rate than their control counterparts; however, their performances did not return to preoperative levels over the course of the study.

Risk factors for degenerative, symptomatic rotator cuff tears: a case-control study

2021 ◽  
Author(s):  
Amos Song ◽  
Damien Cannon ◽  
Peter Kim ◽  
Gregory D. Ayers ◽  
Chan Gao ◽  
...  
Keyword(s):  
Risk Factors ◽  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Control Study

RETRACTION: Etiology of rotator cuff tears in paraplegic patients: a case-control study

2012 ◽  
Vol 21 (7) ◽  
pp. 983
Author(s):  
Michael Akbar ◽  
Manuela Brunner ◽  
Gabriel Balean ◽  
Thomas Grieser ◽  
Thomas Bruckner ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Control Study

RETRACTED: Etiology of rotator cuff tears in paraplegic patients: a case-control study

2012 ◽  
Vol 21 (1) ◽  
pp. 23-28 ◽  
Author(s):  
Michael Akbar ◽  
Manuela Brunner ◽  
Gabriel Balean ◽  
Thomas Grieser ◽  
Thomas Bruckner ◽  
...  
Keyword(s):  
Rotator Cuff ◽  
Case Control Study ◽  
Case Control ◽  
Rotator Cuff Tears ◽  
Control Study

Distinct Gene Expression Profile in Patients With Poor Postoperative Outcomes After Rotator Cuff Repair: A Case-Control Study

2021 ◽  
pp. 036354652110232
Author(s):  
Jessica M. Eager ◽  
William J. Warrender ◽  
Carly B. Deusenbery ◽  
Grant Jamgochian ◽  
Arjun Singh ◽  
...  
Keyword(s):  
Gene Expression ◽  
Rotator Cuff ◽  
Surgical Outcomes ◽  
Rotator Cuff Repair ◽  
Case Control Study ◽  
Case Control ◽  
Gene Sets ◽  
Poor Outcomes ◽  
Cuff Repair ◽  
Control Study

Background: Impaired healing after rotator cuff repair is a major concern, with retear rates as high as 94%. A method to predict whether patients are likely to experience poor surgical outcomes would change clinical practice. While various patient factors, such as age and tear size, have been linked to poor functional outcomes, it is currently very challenging to predict outcomes before surgery. Purpose: To evaluate gene expression differences in tissue collected during surgery between patients who ultimately went on to have good outcomes and those who experienced a retear, in an effort to determine if surgical outcomes can be predicted. Study Design: Case-control study; Level of evidence, 3. Methods: Rotator cuff tissue was collected at the time of surgery from 140 patients. Patients were tracked for a minimum of 6 months to identify those with good or poor outcomes, using clinical functional scores and follow-up magnetic resonance imaging to confirm failure to heal or retear. Gene expression differences between 8 patients with poor outcomes and 28 patients with good outcomes were assessed using a multiplex gene expression analysis via NanoString and a custom-curated panel of 145 genes related to various stages of rotator cuff healing. Results: Although significant differences in the expression of individual genes were not observed, gene set enrichment analysis highlighted major differences in gene sets. Patients who had poor healing outcomes showed greater expression of gene sets related to extracellular matrix production ( P < .0001) and cellular biosynthetic pathways ( P < .001), while patients who had good healing outcomes showed greater expression of genes associated with the proinflammatory (M1) macrophage phenotype ( P < .05). Conclusion: These results suggest that a more proinflammatory, fibrotic environment before repair may play a role in poor healing outcome. With validation in a larger cohort, these results may ultimately lead to diagnostic methods to preoperatively predict those at risk for poor surgical outcomes.

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