Osteotomía correctivas de la no unión del radio distal..(I)

"Osteotomía correctivas de la no unión del radio distal: ¿Conseguimos lo planificado?"

Campe, Arndt von MD; Nagy, Ladislav MD; Arbab, Darius MD; Dumont, Charles E MD, PhD


Fifteen patients with symptomatic malunions of the distal radius were treated with osteotomies, corticocancellous bone grafting, and plate and screw fixation. We investigated the ability of precise preoperative planning of the size and shape of the corticocancellous bone graft to restore alignment of the radius to within 5[degrees] angular deformity and 2 mm ulnar variance as compared with the opposite uninjured wrist. Only six of 15 patients (40%) satisfied these criteria. Inter-rater reliability of radiographic assessment was greater than 0.85. Five patients had residual radial inclination or sagittal tilt greater than 10[degrees] with respect to the uninvolved wrist. Four patients had a residual ulnar variance greater than 2 mm with respect to the uninvolved wrist. Residual shortening (three of four patients), but not residual angulation, was associated with unsatisfactory pain and stiffness an average of 19.5 months after osteotomy (range, 11-32 months). We conclude that a distal radius osteotomy using a precisely planned and measured interpositional corticocancellous graft does not restore distal radius alignment in most patients, and that failure to restore length is associated with continued pain and stiffness.

Clinical Orthopaedics & Related Research. 450:179-185, September 2006.

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