Predictors of infraspinatus muscle degeneration in individuals with an isolated supraspinatus tendon tear

Objective Determine the demographic and clinical factors that predict infraspinatus muscle degeneration in individuals with an isolated supraspinatus tendon tear. Materials and methods A retrospective analysis was performed using the medical records of patients who had a shoulder MRI interpreted by...

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Bibliographic Details
Published in:Skeletal radiology 2023-04, Vol.52 (4), p.695-703
Main Authors: Lawrence, Rebekah L., Veluswamy, Balaji, Dobben, Elizabeth A., Klochko, Chad L., Soliman, Steven B.
Format: Article
Language:English
Subjects:
Cardiovascular diseases
Degeneration
Demographics
Demography
Humans
Imaging
Lacerations
Magnetic Resonance Imaging
Medical colleges
Medical records
Medical research
Medicine
Medicine & Public Health
Medicine, Experimental
Muscles
Muscular Atrophy - pathology
Nuclear Medicine
Orthopedics
Pathology
Patients
Physiological aspects
Radiology
Regression analysis
Retrospective Studies
Rotator Cuff - diagnostic imaging
Rotator Cuff - pathology
Rotator Cuff Injuries - diagnostic imaging
Rotator Cuff Injuries - pathology
Rupture
Scientific Article
Tendons
Vitamin E
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Summary:Objective Determine the demographic and clinical factors that predict infraspinatus muscle degeneration in individuals with an isolated supraspinatus tendon tear. Materials and methods A retrospective analysis was performed using the medical records of patients who had a shoulder MRI interpreted by 1 of 3 fellowship-trained musculoskeletal radiologists since the implementation of a standardized MRI 3 T protocol within our healthcare system. Demographic (e.g., age, sex) and clinical data (e.g., tear size, muscle degeneration, co-morbidities) were collected. Patients with an isolated supraspinatus tendon tear ( n  = 121) were assigned to one of two groups based on whether any infraspinatus muscle degeneration was present. Logistic regression was used to assess the univariate relationships between infraspinatus muscle degeneration and patient and clinical data, while least absolute shrinkage and selector operator (LASSO) logistic regression was used to assess the multivariable relationship. Results Of the patients with an isolated supraspinatus tendon tear, 16.5% had evidence of infraspinatus muscle degeneration. The presence of infraspinatus muscle degeneration was independently associated with cardiovascular disease ( P  = 0.01), supraspinatus muscle degeneration ( P  
ISSN:0364-2348
1432-2161
1432-2161
DOI:10.1007/s00256-022-04201-7