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J Shoulder Elbow Surg. 2014 Jan;23(1):20-7. doi: 10.1016/j.jse.2013.05.015. Epub 2013 Aug 9.

Characteristics of small to medium-sized rotator cuff tears with and without disruption of the anterior supraspinatus tendon.

Author information

1
Washington University in St. Louis, Department of Orthopedic Surgery, St. Louis, MO, USA.
2
Washington University School of Medicine, Mallinckrodt Institute of Radiology, St. Louis, MO, USA.
3
Washington University in St. Louis, Department of Orthopedic Surgery, St. Louis, MO, USA. Electronic address: keenerj@wudosis.wustl.edu.

Abstract

BACKGROUND:

The purpose of this study was to examine the baseline function and results of arthroscopic cuff repair in shoulders with small and medium-sized full-thickness cuff tears with complete supraspinatus disruption compared with those with an intact anterior supraspinatus tendon.

METHODS:

The study evaluated 112 subjects with small and medium-sized cuff tears. Subjects were grouped according to anterior supraspinatus integrity (83 shoulders intact, group 1; and 29 shoulders with anterior supraspinatus tendon disruption, group 2). Functional assessments included visual analogue scale for pain, American Shoulder and Elbow Surgeons (ASES) score, Simple Shoulder Test score, and Constant score. Repair integrity was assessed by ultrasound examination.

RESULTS:

Group 2 shoulders had greater mean tear width, length, and area (P < .0001) and greater supraspinatus muscle degenerative changes (P < .0001) compared with shoulders with an intact anterior supraspinatus tendon. There were no differences in demographics or baseline function (ASES score: 45 group 1 vs 46 group 2, P = .79; Constant score: 56 group 1 vs 52 group 2, P = .29) before surgery. There were no differences in any functional parameter (ASES score: 92 group 1 vs 93 group 2, P = .71; Constant score: 84 group 1 vs 85 group 2, P = .84) after surgery. There was no difference in tendon healing rates (93% group 1 vs 86% group 2; P = .26).

CONCLUSIONS:

In the setting of painful small and medium-sized rotator cuff tears, disruption of the anterior supraspinatus tendon was associated with greater tear size and more advanced supraspinatus muscle degeneration. However, anterior supraspinatus tendon integrity had no influence on the clinical presentation or the functional and structural results of cuff repair surgery.

KEYWORDS:

Level III; Retrospective Cohort; Rotator cuff; Treatment Study; arthroscopy; rotator cable; supraspinatus tear

PMID:
23937927
DOI:
10.1016/j.jse.2013.05.015
[Indexed for MEDLINE]
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