Clinical Results of Dynamic External Fixation for Proximal Interphalangeal Joint Fracture Dislocation

Shin,  Eun Ho; Park,  Jun Sung; Lee,  Tong Joo

doi:2016.21.1.29

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Arch Hand Microsurg > Volume 21(1); 2016 > Article

Original Article

Journal of the Korean Society for Surgery of the Hand 2016;21(1):29-37.
Published online March 31, 2016.
DOI: https://doi.org/10.12790/jkssh.2016.21.1.29

Clinical Results of Dynamic External Fixation for Proximal Interphalangeal Joint Fracture Dislocation

Eun Ho Shin, Jun Sung Park, Tong Joo Lee

Department of Orthopedic Surgery, Inha University School of Medicine, Incheon, Korea. tjlee@inha.ac.kr

Received: 11 November 2015 • Revised: 21 January 2016 • Accepted: 31 January 2016

Abstract

Purpose
We evaluated clinical outcomes after treating patients with proximal interphalangeal (PIP) joint fracture-dislocation with dynamic external fixator with which early joint motion can be undertaken to prevent joint stiffness effectively and fixate joints firmly.

Methods
Dynamic external fixators were applied for 20 fracture-dislocation of the PIP joints in 19 patients. The joints involved were 2nd PIP joint in two patients, 3rd PIP joint in three patients, 4th PIP joint in five patients, 5th PIP joint in eight patients. One patient had both 3rd and 4th PIP joint fracture-dislocation. Surgery was performed at least within four weeks. The mean age of the patients was 30.5 years (range, 15-54 years) and the mean follow-up duration was 1.85 years (range, 1-2.3 years) years. All patients were clinically and radiologically assessed on an outpatient basis after being discharged.

Results
At the final follow-up, the mean range of motion of PIP joints in flexion was 100.1° (flexion range, 88°-110°), the mean extension lag was 3.0° (extension range, 0°-10°), and the mean visual analogue scale score was 0.8. On anterior-posterior and lateral radiographs, congruity of the joint was satisfactory and 1 mm step off was present in three cases.

Conclusion
We attained satisfactory clinical outcomes on the recovery of joint movement and joint congruity after treating PIP joint fracture-dislocation injury with dynamic external fixator.

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