JOURNAL ARTICLE

[Application of V-Y advancement flap pedicled with dorsal cutaneous branch of digital artery for skin defect at the same dorsal finger]

Xiao Zhou, Yongjun Rui, Yajun Xu, Kuishui Shou, Qun Yao, Guoping Chu
Chinese Journal of Reparative and Reconstructive Surgery 2011, 25 (1): 104-6
21351622

OBJECTIVE: To investigate the therapeutic effect of V-Y advancement flap pedicled with dorsal cutaneous branch of digital artery for skin defect at the same dorsal finger.

METHODS: Between January 2008 and February 2010, 15 cases of skin defect at the same dorsal finger were treated. There were 9 males and 6 females, aged 15-72 years (mean, 43 years). Defect was caused by saw machine in 6 cases, machines crush in 7 cases, and cutting nodule in 2 cases. The locations were distal dorsal finger in 2 cases, middle dorsal finger in 6 cases, and proximal dorsal finger in 7 cases. All cases complicated by exposure of tendon and bone. The size of defect ranged from 0.8 cm x 0.5 cm to 1.4 cm x 1.0 cm. The interval between injury and operation was 3-8 hours. All fingers were treated by V-Y advancement flap from the dorsal cutaneous branch of digital artery, which size was 1.2 cm x 0.8 cm-2.5 cm x 1.0 cm, and the donor site was directly sutured. Fracture reduction and Kirschner wire for internal fixation were performed in the patients with fracture; extensor tendon was repaired with 4-0 thread in the patients with tendon injury.

RESULTS: All flaps survived completely. The incisions of donor and recipient sites healed by first intention. Ten cases were followed up 6 months to 2 years after operation. The flaps had good texture, color, and appearance; 2-point discrimination of the V-Y flap was 10-12 mm. X-ray examination showed that all finger fractures healed successfully in 5 cases, with an average bone union time of 6 weeks (range, 5-8 weeks). According to the criteria for function assessment by total active motion, the results were excellent in 8 cases, good in 1, and fair in 1 with an excellent and good rate of 90%.

CONCLUSION: It is an ideal method to treat skin defect at the same dorsal finger with V-Y advancement flap pedicled with dorsal cutaneous branch of digital artery.

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