PROXIMAL INTERPHALANGEAL JOINT SURFACE REPLACEMENT ARTHROPLASTY

Author:

Johnstone Bruce R.1

Affiliation:

1. Consultant Plastic Surgeon, Royal Melbourne Hospital and Royal Children's Hospital, Melbourne, Victoria, Australia

Abstract

A consecutive series of 20 joints in 13 patients underwent arthroplasty with the RMS PIP joint surface replacement implant. Twelve joints were treated for painful osteoarthritis (all females). Two joints were implanted for rheumatoid arthritis, two for post-traumatic pain and stiffness, two for post-traumatic stiffness and one each for post-traumatic pain and pain-free post-traumatic instability. Excellent, often total long-term pain relief was obtained in 18 joints. The other two patients with (compensible work-related) post-traumatic pain and stiffness reported "50–70% pain reduction". No patients lost movement and 14 out of 20 joints were pain-free with a 73.1° average arc of motion. Six joints from the first half of the series had poor motion (average arc of 19.6°), even after open extensor tenolysis or manipulation under anaesthesia. As experience was gained, reliably better results were achieved with a more intensive regimen of hand therapy, particularly within the first post-operative week.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Medicine

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