Closed reduction transarticular Kirschner wire fixation versus open reduction internal fixation in the treatment of Bennett's fracture dislocation

M Lutz, R Sailer, R Zimmermann, M Gabl, H Ulmer, S Pechlaner
Journal of Hand Surgery: Journal of the British Society for Surgery of the Hand 2003, 28 (2): 142-7
Thirty two patients with fracture dislocations of the base of the thumb metacarpal with a single large fracture fragment (Bennett's fracture) were either treated by open reduction and internal fixation or closed reduction and percutaneous transarticular Kirschner wiring. All were assessed at a mean follow up of 7 (range 3-18) years. Patients with an articular step off more than 1mm were excluded. The type of treatment did not influence the clinical outcome or the prevalence of radiological post-traumatic arthritis. The percutaneous group had a significantly higher incidence of adduction deformity of the first metacarpal. This was attributed to Kirschner wire placement near the fracture line or in the compression zone of the fracture, resulting in loss of reduction. This however did not result in an inferior outcome.

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