OBJECTIVE: To introduce the application of double-loop nylon wire fixation hair in congenital compound thumb fusion.
METHODS: A longitudinal V-shaped skin incision was designed at the opposite edge of the compound thumb to expose the edge of the phalanges, trim the bony prominence, merge and align the finger bodies, align the nails, respectively, at each phalanx, near the articular cancellous bone. Using a 3-0 nylon thread, the needle is inserted through the skin on one side, and the needle is led with an injector needle through and around the two phalanges in a circle, and then the needle is removed from the skin on the opposite side. Similarly, several stitches were fixed and sutured in front and behind the finger end or joint as needed, and the stitches were removed 2 weeks after surgery.
RESULTS: One of the 19 cases had partial inactivation of one side of the finger due to poor blood supply, which healed with scarring after dressing change, and 11 cases were followed up 6 to 24 months after surgery. The interphalangeal joint activity, stability and skeletal force line were good, and there was no case of recurrence, and the family members were satisfied.
CONCLUSION: The nylon thread double-loop fixation of compound thumb fusion avoids the deficiency of thread knots left behind.