Atrophy of the rotator cuff muscles and site of cuff tears

We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolatedtear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-t...

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Bibliographic Details
Published in:Acta orthopaedica 2002, Vol.73 (1), p.40-43
Main Authors: Shimizu, Togo, Itoi, Eiji, Minagawa, Hiroshi, Pradhan, Rabindra L, Wakabayashi, Ikuko, Sato, Kozo
Format: Article
Language:English
Subjects:
Adult
Aged
Biological and medical sciences
Diseases of the osteoarticular system
Female
Follow-Up Studies
Humans
Injury Severity Score
Juxtaarticular diseases. Extraarticular rhumatism
Magnetic Resonance Imaging
Male
Medical sciences
Middle Aged
Muscular Atrophy - etiology
Muscular Atrophy - pathology
Orthopedic Procedures - adverse effects
Orthopedic Procedures - methods
Postoperative Period
Preoperative Care
Probability
Range of Motion, Articular - physiology
Retrospective Studies
Risk Assessment
Rotator Cuff - surgery
Rotator Cuff Injuries
Shoulder Joint - pathology
Shoulder Joint - physiopathology
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Summary:We determined the relationship between the site of rotator cuff tears and atrophy of the cuff muscles. 28 shoulders (28 patients) had rotator cuff tears: 19 isolated tears of the supraspinatus tendon (isolatedtear group) and 9 combined tears of the supraspinatus and infraspinatus tendons (combined-tear group). The cross-sectional area of the subscapularis, supraspinatus, the infraspinatus and teres minor muscles in the coronal oblique MR images were measured before and after surgery. Although we found no difference in tear size, the cross-sectional areas of the muscles were smaller in the combined-tear group than in the isolated-tear group. We conclude that atrophy of the supraspinatus and infraspinatus muscles also depends on the site of the tear.
ISSN:1745-3674
0001-6470
1745-3682
DOI:10.1080/000164702317281387