Functional outcomes following delayed hemi-hamate arthroplasty for proximal interphalangeal joint reconstruction

Abstract

Background

Palmar lip fractures at the base of the middle phalanx are well-regarded as a difficult condition to treat, with many treatment strategies leading to pain and impairment. Hemi-hamate resurfacing arthroplasty for the proximal interphalangeal joint surface has been described in the literature as a surgical option in the management of this fracture type. This case series aims to describe our institution’s experience with hemi-hamate arthroplasty for this type of fracture.

Methods

Six patients from a single institution who underwent hemi-hamate arthroplasty for treatment of impacted dorsal fracture dislocations of the base of the middle phalanx between 2014 and 2018 were retrospectively reviewed. Four patients were managed at a time frame greater than 100 days, with a range between 32 and 50% of articular joint involvement.

Results

Functional outcomes and pain scores following hemi-hamate arthroplasty in both acute and chronic presentations resulted in adequate range of motion and grip strength, with minimal pain at either fracture or donor site. No cases of non-union were seen in our cohort.

Conclusions

Based on our experience, hemi-hamate arthroplasty is a viable option in the management of intra-articular fracture dislocations of the base of the middle phalanx.

Level of evidence: Level IV, therapeutic study.

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Correspondence to Nicholas Tang.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Given the case series nature of this publication, the ethics board of our corresponding institution has confirmed that no ethical approval is required.

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Tang, N., Ramakrishnan, A., Maher, R. et al. Functional outcomes following delayed hemi-hamate arthroplasty for proximal interphalangeal joint reconstruction. Eur J Plast Surg 44, 75–80 (2021). https://doi.org/10.1007/s00238-020-01674-4

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Keywords

  • Hemi-hamate arthroplasty
  • Dorsal fracture dislocation
  • Proximal Interphalangeal joint fracture