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      The inferior capsular shift operation for instability of the shoulder. Long-term results in 34 shoulders.

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          Abstract

          We reviewed 26 patients with 34 shoulders treated by the inferior capsular shift operation for inferior and multidirectional instability. The mean follow-up was 8.3 years. In total, 12 shoulders showed voluntary subluxation. Eight operations used an anterior and posterior approach, 11 were by the posterior route, and 15 shoulders had an anterior approach. In 30 shoulders (85%) the outcome was satisfactory and 20 (59%) scored good or excellent results on the Rowe system. Instability had recurred in nine shoulders (26%) from three months to three years after the operation. Six of the 12 shoulders with voluntary subluxation (50%) had recurrence, as against three of the other 22 (14%), a statistically significant difference. The operation is therefore not indicated for voluntary subluxation. The 19 shoulders which had been assessed in 1987 at a mean of 3.5 years after surgery, were also reviewed in 1995 and found to have no significant changes in instability or Rowe score. This shows that the capsular shift appeared to have maintained its tension over an eight-year period. After the use of a posterior approach, 64% of the shoulders showed a posterolateral defect on radiographs of the humerus.

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          Author and article information

          Journal
          J Bone Joint Surg Br
          The Journal of bone and joint surgery. British volume
          British Editorial Society of Bone & Joint Surgery
          0301-620X
          0301-620X
          Mar 1999
          : 81
          : 2
          Affiliations
          [1 ] Department of Orthopaedics, Tokai University School of Medicine, Kanagawa, Isehara, Japan.
          Article
          10.1302/0301-620x.81b2.8806
          10204924
          f654125b-d99d-41d0-b7f7-3078772d355d
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