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Proximal interphalangeal joint surface replacement arthroplasty.

B R Johnstone1

  • 1Royal Melbourne Hospital and Royal Children's Hospital, Melbourne, Victoria, Australia. bjkr@bigpond.com

Hand Surgery : an International Journal Devoted to Hand and Upper Limb Surgery and Related Research : Journal of the Asia-Pacific Federation of Societies for Surgery of the Hand
|October 26, 2001
PubMed
Summary

The RMS PIP joint surface replacement implant provided excellent long-term pain relief for most patients with osteoarthritis and other joint conditions. Intensive hand therapy improved outcomes, especially in the early postoperative period.

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Area of Science:

  • Orthopedic Surgery
  • Hand Surgery
  • Biomaterials Science

Background:

  • The study evaluated the efficacy of the RMS PIP joint surface replacement implant in a series of 20 joints across 13 patients.
  • Indications included osteoarthritis, rheumatoid arthritis, and various post-traumatic conditions affecting the proximal interphalangeal (PIP) joint.

Observation:

  • Patients underwent arthroplasty using the RMS PIP joint surface replacement implant.
  • Postoperative pain levels, joint range of motion, and functional outcomes were assessed.

Findings:

  • 18 out of 20 joints experienced excellent, often complete, long-term pain relief.
  • 14 joints were pain-free with an average arc of motion of 73.1 degrees.
  • Six joints in the initial cohort showed limited motion (19.6 degrees arc), which improved with enhanced hand therapy protocols.

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Implications:

  • The RMS PIP joint surface replacement implant demonstrates significant potential for managing PIP joint arthritis and post-traumatic conditions.
  • Optimized postoperative hand therapy, particularly in the first week, is crucial for maximizing joint mobility and functional recovery.
  • Further research may explore long-term implant survival and comparative effectiveness against other PIP joint arthroplasty techniques.