What question did this study set out to answer?

To evaluate the effectiveness of hemihamate arthroplasty in patients with proximal interphalangeal joint injuries.

February 14, 2026Journal of Hand Surgery (European Volume)0 citationsOpen Access

Hemihamate arthroplasty for dorsal fracture-dislocation of the proximal interphalangeal joint with palmar articular surface loss

GHGeorge JM HourstonCambridge University Hospitals NHS Foundation Trust ACAdrian ChojnowskiNorfolk and Norwich University Hospital

Key Points

To evaluate the effectiveness of hemihamate arthroplasty in patients with proximal interphalangeal joint injuries.
Eighteen patients with fracture-dislocation were treated.
Surgical intervention involved hemihamate arthroplasty.
Patients were assessed for flexion at 14 months post-surgery.
Mean flexion achieved was 70° at 14 months.
All patients presented with complex injuries and significant articular surface loss.

Abstract

Eighteen patients with a proximal interphalangeal joint fracture-dislocation involving at least half of the palmar articular surface were treated with hemihamate arthroplasty, achieving a mean of 70° flexion at 14 months. This technique is an effective option for complex injuries. Level of Evidence: IV

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