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Dorsal capsulodesis using suture anchors

R L Uhl1, S C Williamson, M W Bowman

  • 1Division of Orthopaedic Surgery, Albany Medical College, New York, USA.

American Journal of Orthopedics (Belle Mead, N.J.)
|August 1, 1997
PubMed
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Suture anchors offer a new approach to treating scapholunate instability by stabilizing the scaphoid. While improving grip strength and return to work for many, this surgical technique does not fully resolve wrist instability symptoms.

Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Wrist Biomechanics

Background:

  • Scapholunate instability is a common wrist condition affecting carpal alignment and function.
  • Current treatments aim to stabilize the scaphoid bone using the dorsal wrist capsule.
  • Traditional methods often involve pull-out wires for capsule fixation.

Purpose of the Study:

  • To evaluate the efficacy of using suture anchors for scapholunate instability.
  • To assess patient outcomes, including pain, grip strength, and return to work.
  • To analyze the recurrence of the scapholunate gap and its correlation with symptoms.

Main Methods:

  • A cohort of 38 patients with scapholunate instability underwent surgical stabilization using suture anchors.
  • The dorsal capsule was secured to the scaphoid via suture anchors.

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  • Follow-up averaged 24 months, assessing pain, grip strength, job status, and radiographic scapholunate gap.

    • Main Results:

    • Of 35 followed patients, 16 were pain-free, 12 experienced activity-related pain, and 7 required further surgery.
    • Patients regained 85% of expected grip strength, with 71% returning to their previous jobs.
    • Scapholunate gap recurrence was observed in 31 patients but did not consistently correlate with symptom severity.

    Conclusions:

    • Suture anchor fixation of the dorsal capsule to the scaphoid improves symptoms in most patients with scapholunate instability.
    • The procedure can lead to significant improvements in grip strength and return to work.
    • While effective for symptom management, this technique does not offer a complete cure for scapholunate instability.