Purpose: To report long-term outcomes (> 10 y) after radial polydactyly reconstruction.
Methods: We evaluated 43 surgically reconstructed thumbs in 41 patients with radial polydactyly whom we had observed for more than 10 years. The study group included 12 Flatt type II, 8 type III, 17 type IV, and 6 type V. The average age of surgery was 1 year and mean follow-up was 17 years. Objective outcome values and validated patient-oriented outcome evaluations were obtained.
Results: No early postsurgical complications were encountered. Eight patients had 10 revision procedures at an average of 8 years after the initial procedure. Five patients had interphalangeal joint arthrodesis, all for angulation with accompanying pain. The average Tada score was 4.1. Lateral, tripod, and tip pinch strengths were 96%, 86%, and 92%, respectively, of the unaffected side. As a group, the treated thumbs had significantly weaker tip and tripod pinch strengths than the untreated thumbs. The average Disabilities of the Arm, Shoulder, and Hand score was 4.5 and the average Pediatric Quality of Life Inventory score was 87 when administered to both the patient and the parent.
Conclusions: Long-term results after surgical reconstruction for radial polydactyly were excellent but the revision rate trended upward over time despite maintenance of favorable scores on the objective outcome measures used.
Type Of Study/level Of Evidence: Therapeutic IV.
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