Geurts, Ghislain

Meermans, Geert

van Riet, Roger

Verstreken, Frederik

Abstract: Purpose To investigate whether volar percutaneous screw fixation of scaphoid waist fractures via a transtrapezial approach causes degenerative changes at the scaphotrapezial (ST) joint at short- to medium-term follow-up. Methods A total of 34 patients were available for follow-up at a mean of 6.1 years (minimum follow-up, 3.7 y) after volar percutaneous fixation of acute scaphoid waist fractures via a transtrapezial approach. The clinical follow-up examination included assessment of pain using a visual analog scale, range of motion, grip strength, and key pinch strength. We obtained radiographs of both hands in 3 views. We staged degenerative changes at the ST joint according to the modified Eaton and Glickel classification. Results The modified Mayo wrist score showed excellent clinical results using the described technique. One patient showed asymptomatic unilateral stage 2 osteoarthritic changes at the ST joint. We noted 6 screw protrusions, which required screw removal in 2 patients, in the early stages of use of the transtrapezial technique. One patient was treated surgically for a bone cyst. Conclusions Volar percutaneous screw fixation of nondisplaced scaphoid waist fractures using a transtrapezial approach does not lead to symptomatic scaphotrapezial osteoarthritis at short- to medium-term follow-up. (J Hand Surg 2011;36A:1753-1758. Copyright (C) 2011 by the American Society for Surgery of the Hand. All rights reserved.

Incidence of Scaphotrapezial Arthritis following volar percutaneous fixation of nondisplaced scaphoid waist fractures using a transtrapezial approach

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