[Clinical application of lower rotating point super sural neurocutaneous vascular]

Jie Zhan, Yan Yao, Qiang Shi
Chinese Journal of Reparative and Reconstructive Surgery 2007, 21 (4): 356-9

OBJECTIVE: To explore the clinical effect of the lower rotating point super sural neurocutaneous vascular flap on the repair of the soft tissue defects in the ankle and foot.

METHODS: From May 2001 to February 2006, 24 patients with the soft tissue defects in the ankle and foot were treated with the lower rotating point super sural neurocutaneous vascular flaps. Among the patients, 15 had an injury in a traffic accident, 6 were wringed and rolled by a machine, 1 was frostbited in both feet, 2 were burned, 25 had an exposure of the bone and joint. The disease course varied from 3 days to 22 months; 19 patients began their treatment 3-7 days after the injury and 5 patients were treated by an elective operation. The soft tissue defects ranged in area from 22 cm x 12 cm to 28 cm x 12 cm. The flaps ranged in size from 24 cm x 14 cm to 30 cm x 14 cm, with a range up to the lower region of the popliteal fossa. The rotating point of the flap could be taken in the region 1-5 cm above the lateral malleolar. The donor site was covered by an intermediate thickness skin graft.

RESULTS: All the 25 flaps in 24 patients survived with a satisfactory appearance and a good function. The distal skin necrosis occurred in 1 flap, but healing occurred after debridement and intermediate thickness skin grafting. The follow-up for 3 months to 5 years revealed that the patients had a normal gait, the flaps had a good sense and a resistance to wearing, and no ulcer occurred. The two point discrimination of the flap was 5-10 mm.

CONCLUSION: The lower rotating point super sural neurocutaneous vascular flap has a good skin quality, a high survival rate, and a large donor skin area. The grafting is easy, without any sacrifice of the major blood vessel; therefore, it is a good donor flap in repairing a large soft tissue defect in the ankle and foot.

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