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Antegrade Fixation of Distal Metaphyseal Ulnar Shortening Osteotomy.
Antegrade Fixation of Distal Metaphyseal Ulnar Shortening Osteotomy. Techniques in hand & upper extremity surgery Zhou, J. Y., Frey, C. S., Shah, K., Ostergaard, P. J., Yao, J. 2023Abstract
The ulnar shortening osteotomy (USO) is a common procedure used to treat ulnar impaction syndrome secondary to static or dynamic ulnar-positive variance. There are many described techniques for the USO. The distal metaphyseal ulnar shortening osteotomy (DMUSO) with retrograde cannulated screw fixation was described to reduce complications seen with other techniques. Biomechanical analysis of fixation constructs demonstrates 2-screw constructs are significantly stiffer than 1 screw and antegrade constructs have similar or greater stiffness when compared with retrograde constructs. Here, we describe a technique of antegrade cannulated screw fixation for DMUSO that obviates the need for the disruption of the distal radioulnar joint for intra-articular exposure of the ulnar head. Similar to the traditional retrograde DMUSO technique, this construct may also decrease the risk of delayed union, symptomatic implants associated with diaphyseal osteotomies, and disruption of triangular fibrocartilaginous complex in wafer procedures.
View details for DOI 10.1097/BTH.0000000000000435
View details for PubMedID 37185273