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KMID : 0621520100150040164
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Journal of the Korean Society for Surgery of the Hand
2010 Volume.15 No. 4 p.164 ~ p.168
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Modified Extension Block Technique Using Conjoined Kirschner Wires for Bony Mallet Fingers
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Park Hyun-Chul
Park Hyun-Sik
Ahn Sang-Cheon
Kim Sang-Soo
Chang jin
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Abstract
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Purpose: To analyze the clinical results of the modified extension block fixation method using conjoined K-wires for bony mallet fractures.
Materials and Methods: From March 2006 to March 2009, we performed conjoined K-wire fixation as a modification of extension block technique in 9 patients with a bony mallet finger. After the average follow-up of 4.8 months, range of motion, pain, nail deformity, and bony union were evaluated.
Results: The average range of motion was 3.3˚(range, 0-20˚) of extension lag and 76.7˚(range, 45-90˚) of flexion. Bony union was obtained in all patients. No nail deformity was observed. One patient complained of distal interphalangeal joint pain.
Conclusion: The extension block fixation method using conjoined K-wires can be an acceptable treatment option which provides stable fixation in bony mallet fractures.
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KEYWORD
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Bony mallet finger, Modified extension block technique, Conjoined Kirschner wires
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