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Indications for Reduction in Distal Radius Fractures

David L. Nelson, MD

This paper is based on a presentation given at the AAOS Summer Institute, San Diego, September, 1996, and at the International Distal Radius Fracture Conference, San Francisco, May 8-10, 1998. It has last been updated on 12/30/99.

Many authors suggest that distal radial fractures be reduced anatomically, but few of them define what "anatomical" means, to the frustration to the student of distal radial fractures. This is a review of the scientific literature, both laboratory and clinical, with respect to what "anatomical" really means. Four different but interrelated characteristics have been examined.

A VOLAR TILT     [Back To Top] 

1 BIOMECHANICAL STUDIES

a Short, Palmer, Werner (1987, JHS)
    • method: six cadavers, pressure-sensitive film, examine loads
    • results: 10° dorsal tilt caused a statistically significant change in the area of maximum load, moved load more dorsally, and load was more concentrated
b Pogue, Viegas, Patterson, et al. (1990, JHS)
    • method: five cadavers, pressure-sensitive film, examine contact areas and pressures
    • results: >25° volar tilt or >15° dorsal tilt caused a shift in the scaphoid and lunate high pressure areas and the load were more concentrated


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