Abstract
Radioscapholunate (RSL) arthrodesis is a partial wrist fusion procedure used to treat post-traumatic osteoarthritis (OA) of the radioscaphoid and radiolunate joints. The goal of the RSL arthrodesis procedure is to selectively fuse diseased, arthritic segments while preserving motion within the midcarpal joints. The authors’ preferred method for RSL arthrodesis utilizes headless compression screws placed dorsally through the distal radius. The same site is used to harvest cancellous bone autograft to aid in fusion across the radiocarpal joints. The procedure can be augmented by removing the distal pole of the scaphoid and/or triquetrum, which have been shown to improve radiographic and clinical outcomes. Recent studies analyzing outcomes of RSL arthrodesis utilizing different fixation methods and graft types have shown comparable results with low nonunion rates. RSL arthrodesis is a safe and efficacious procedure with a low complication profile when indicated correctly.
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