Objective: To preliminarily explore the effect of combination of volar buttress plate with external fixator for the distal radial fractures of type C3 caused by high-energy injuries.
Methods: From January 2001 to June 2007, 13 patients with distal radial fracture of type C3, 9 males and 4 females aged from 26 to 47 (average 37 years), were treated with volar buttress plate combined with external fixator plus the techniques of K-wires and bone grafting as necessary, whose effects were evaluated preliminarily through comparing the volar tilt, radial inclination, radial shortening and wrist function.
Results: Followed up from 7 to 29 months (average 18 months), the volar tilt, radial inclination, radial shortening and wrist function of all patients recovered remarkably. Nine patients achieved excellent and 4 good according to Sarmiento score (modified by Stewart) in the radiological manifestation, while 5 patients displayed excellent, 6 good, and 2 fair according to Gartland-Werley functional assessment system.
Conclusion: 1) Volar buttress plate could support the valor cortex in order to prevent comminuted fragment from displacing and maintain volar tilt and to provide the volar fulcrum for external fixator. 2) External fixator, with the assistance of volar fulcrum, could maintain the volar tilt and the height of distal radius and help unload the fossa. 3) Supplemental K-wires fixation and the bone graft may assist fracture stable.
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