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Incidence of subscapularis insufficiency higher in patients with postcapsulorrhaphy arthropathy
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Patients undergoing total shoulder arthroplasty for postcapsulorrhaphy arthropathy had a higher incidence of subscapularis insufficiency and experienced similar outcomes for revision surgery, pain relief and subjective self-assessment compared with patients undergoing total shoulder arthroplasty for primary osteoarthritis, according to study results.
Researchers compared 22 patients undergoing total shoulder arthroplasty for treatment of postcapsulorrhaphy arthropathy (CA) with 19 patients undergoing total shoulder arthroplasty for primary glenohumeral osteoarthritis (OA). All patients were evaluated by physical examination and patient outcome measures, and the researchers recorded complications, reoperations and subscapularis function.
Although no significant differences were seen in subjective patient scores between the CA and OA groups for the Simple Shoulder Test, American Shoulder and Elbow Surgeons assessment and pain scores, study results showed the OA group achieved greater forward elevation and greater external rotation compared the CA group. The researchers also found no significance between the number of revision surgeries in the OA group compared with the CA group.
In comparison with the OA group, a significantly higher number of patients had subscapularis insufficiency in the CA group, according to the researchers.
Disclosures: Levine is a consultant for Zimmer. Bigliani received royalty payments from Zimmer.
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