Shoulder: Anatomy and Instability

Outcome of the Open Bankart Procedure for Shoulder Instability and Development of Osteoarthritis: A 5- to 20-Year Follow-up Study

Ogawa K, Yoshida A, Matsumoto H, et al (Keio Univ, Tokyo, Japan) Am J Sports Med 38:1549-1557, 2010^§

Abstract

Background

The etiologic factors, time of development, and extent of the progression of postoperative osteoarthritis (OA) in traumatic shoulder instability remain controversial.

Hypothesis

Most OA seen postoperatively occurs before surgery and progresses very slowly.

Study Design

Cohort study; Level of evidence, 3.

Methods

Review of 167 joints of 163 patients undergoing the open Bankart procedure, who had no history of shoulder surgery and were younger than 45 years at follow-up, was done at a mean follow-up of 8.7 years (range, 5-20 years). The shoulders were directly examined and radiographed. A statistical analysis was performed to examine the correlation between OA development/progression and patients’ demographic characteristics and various factors, and to evaluate the correlation between these factors.

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