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Complications Following Transosseous Repair of Zone I Flexor Tendon Injuries

      Purpose

      Multiple techniques are described for repair of zone I flexor tendon injuries, many of which are fraught with complications. This study evaluated the clinical complications after a transosseous repair technique.

      Methods

      A retrospective review of a single institutional database identified all zone I flexor digitorum profundus (FDP) injuries repaired using a transosseous technique. In this technique, 2 nonabsorbable sutures were passed from volar to dorsal through transosseous tunnels and tied dorsally over the distal phalanx proximal to the germinal matrix. Demographics, injury characteristics, operative details, and complications were reviewed.

      Results

      Eight patients met the inclusion criteria. Average age was 31 years (range, 15–66 years) and all patients were male. Eight fingers were included: ring (4), small (3), and middle (1). Seven injuries were closed and one was open. Average time between injury and surgery was 13 days (range, 4–34 days). Five patients experienced complications, including osteomyelitis, chronic draining granuloma, and abnormal nail growth. Three patients required an additional operative procedure for management of complications.

      Conclusions

      Transosseous repair of zone I flexor digitorum profundus injuries with a buried dorsal suture is associated with a high rate of clinical complications.

      Type of study/level of evidence

      Therapeutic V.

      Key words

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