Abstract
PurposeTo evaluate the efficacy of a modified internal fixation method for the treatment of fifth metacarpal neck fracture.MethodsFrom March 2018 to December 2019, 12 patients with the fifth metacarpal neck fractures of the hands were treated with the Kirschner wires and locking plate internal fixation method. Each patient’s gender, age, dominant hand, injured hand, trauma mechanism, preoperative and postoperative deformity (angulation and the length of the fifth metacarpal), the range of motion of the metacarpophalangeal joint and grip strength of each side, the time of return to work, and follow-up time were recorded and calculated.ResultsThe mean follow-up time was 16.8 months, and the angulations of preoperative and postoperative deformity were 40.0 ± 3.7°and 17.6 ± 1.7°, respectively. The length of the fifth metacarpals of preoperative and postoperative deformity were 51.5 ± 2.1 mm and 60.0 ± 1.8 mm, respectively. At the last follow-up, the range of motion of the fifth metacarpophalangeal joint of the injured side and the contralateral side were 84.3 ± 3.6°and 86.5 ± 2.0°, and the grip strength of the injured side and the contralateral side were 74.8 ± 6.1 LB and 78.6 ± 8.3 LB, respectively, without statistically significant differences. QDASH score was 2.0 ± 1.0, and the time of return to work was 6.0 ± 0.7 weeks.ConclusionThe modified internal fixation method is one of the alternative treatments for the fifth metacarpal neck fracture with good curative effects.
Highlights
The fracture of the fifth metacarpal neck is very common in the clinical work of orthopedics and hand surgery [1–3]
From March 2018 to January 2019, 12 patients suffering from the fifth metacarpal neck fractures of the hands were treated by adopting the modified internal fixation method
The inclusion criteria included that (1) closed fifth metacarpal neck fracture, (2) closed reduction of the fracture failed, (3) the angulation of the longitudinal axis of the proximal and distal sides of the fracture was more than 30°, and (4) there was no other injury in the hand
Summary
The fracture of the fifth metacarpal neck is very common in the clinical work of orthopedics and hand surgery [1–3]. The fracture of the fifth metacarpal neck is very common in the clinical work of orthopedics and hand surgery [1–. The controversy over the treatment of the fifth metacarpal neck fracture has never ceased. Song Gu and Long Zhou contributed to this work. Full list of author information is available at the end of the article hold the view that angulation (more than 30) can lead to a decrease of flexion force in extrinsic tendons and loss of grip strength [4, 5], and this kind of fracture should be treated surgically. Kirschner wire fixation and plate fixation are two common surgical treatment methods [6,7,8,9]
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