Purpose: To explore the advantages of palmar approach with Kirschner-wire (K-wire) fixation in the treatment of children's distal radius extension type fracture.
Methods: Thirty patients, average age of 8.5 years ranging from 5 to 13 years, with distal radius extension type fracture and undergoing a failed manual reposition in our hospital were included, and treated by palmar approach with K-wire fixation between May 2014 and December 2017. Among these patients (21 male and 9 female), 5 patients had chronic injuries over 10 days, and 6 patients had fracture of the distal radius epiphysis. The time between injury and treatment ranged from 1 to 30 days. Among them, 11 patients with right-sided fractures and 19 patients with left-sided fractures were operated via the palmar longitudinal incision approach.
Results: The results were evaluated after an average of 18 months ranging from 5 to 36 months after operation. The recovery time of fracture was from 4 to 8 weeks and all incisions were primary healing with an average of 6 weeks. Nonunion, delayed union, early closure of distal radial epiphysis, and wrist varus/valgus deformity were not found in all the cases. Based on Gartland and Wereley wrist score assessment undertaken three months after operation, excellent scores were achieved in 24 cases, good scores in 3 cases, acceptable scores in 3 cases.
Conclusion: The palmar approach with K-wire fixation via a front longitudinal incision in the treatment of children's distal radius extension type fracture has following advantages: (1) easy to reposition for both fresh and old fractures; (2) less damage to surrounding tissues and epiphysis; (3) quick recovery. It is suitable to treat children's distal radius extension type fracture.
Keywords: Children; Kirschner-wire fixation; Palmar approach; Radius fractures.
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