Open Reduction and K-Wire Fixation for Mallet Finger Fractures

Kim,  Yong Min; Park,  Hyuk; Lee,  Jun Mo

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Journal of the Korean Society for Surgery of the Hand 2010;15(3):117-121.
Published online September 1, 2010.

Open Reduction and K-Wire Fixation for Mallet Finger Fractures

Department of Orthopedic Surgery, Chonbuk University Medical School, Research Institute of Clinical Medicine, Chonbuk National University, Joenju, Korea. junmolee@chonbuk.ac.kr

Abstract

Purpose
To evaluate the results of open reduction and K-wire fixation in patients with a displaced dorsal intraarticular fracture of the distal phalanx. MATERIALS AND METHODS: From May 1999 through April 2008, 32 fingers (32 patients) with a mallet finger fracture involving one-third or more of the articular surface and/or a subluxated distal phalanx were included. While maintaining the reduction of the dorsal fracture fragment obtained by open method, two K-wires were introduced to fix the fragments and the third K-wire to fix the distal interphalangeal joint. Clinical results were investigated at an average follow-up of 13 months.

Results
Radiologically, solid bony union was observed in all fingers at an average of 6.5 weeks after the operation. The final results showed exellent in 17 patients(53.1%), good in 14 patients(43.8%) and fair in one(3.1%) according to the criteria suggested by Crawford.

Conclusion
Open reduction and K-wire fixation of the displaced bony mallet fractures is considered as an acceptable surgical method in providing successful bony union and maintenance of joint motion.

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