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Sagittal Wrist Motion of Carpal Bones Following Intraarticular Fractures of the Distal RadiusFrom the Department of Trauma Surgery, University of Innsbruck, Austria, Department of Radiology, University of Innsbruck, Austria, Department of Biostatistics, University of Innsbruck, Austria Correspondence: Dr Martin Lutz, Univ. Klinik für Unfallchirurgie Innsbruck, Anichstr. 35, 6020 Innsbruck, Austria. E-mail: martin.lutz{at}uklibk.ac.at Forty patients (mean age, 37 years) with intraarticular C2 and C3 Colles fractures were treated by open reduction, internal fixation and bone grafting. At a mean follow-up of 8 years radiocarpal and midcarpal motion was evaluated, the depth of the articular surface of the distal radius in the sagittal plane was measured and the presence of arthritis was noted. The fractures healed with a mean palmar tilt of 6°, a mean ulnar tilt of 18° and ulna variance within 1 mm of the contralateral side. The depth of the articular surface of the distal radius was 1.3 mm greater than the uninvolved side. Measurement of carpal bone angles relative to the radius in maximum flexion and extension revealed lunate extension of 23°, lunate flexion of 15°, capitate extension of 62°, capitate flexion of 40°. There was a significant correlation between articular surface depth and radiocarpal motion.
Key Words: distal radius fracture • articular cavity depth • carpal bone motion
Journal of Hand Surgery (British and European Volume), Vol. 30, No. 3,
282-287 (2005) |
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