LI Xuechuan 1 , ZHANG Lingling 2 , SUN Changsheng 2 , ZHANG Hui 2 , LI Wenjun 2
  • 1. Department of Burn, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China;
  • 2. Department of Hand and Foot Microsurgery, Shanghai Zhongye Hospital, Shanghai, 201941, P. R. China;
LI Wenjun, Email: yingziduizhang@163.com
Finger reconstruction; nail bed reconstruction; fingertip defect; nerve branch of the first toe nail bed
10.7507/1002-1892.202310038
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Objective  To investigate the effectiveness of finger reconstruction using nail flap anastomosing the nerve branch of the first toe nail bed. Methods Between January 2016 and December 2022, 18 patients (18 fingers) with thumb or finger nail bed defects were admitted. There were 12 males and 6 females, with an average age of 32 years (range, 19-42 years). Four cases were finger tip tissue damage caused by machine compression, and 4 cases were distal tissue necrosis after finger replantation. There were 9 cases of thumb injury, 3 cases of index finger injury, 5 cases of middle finger injury, and 1 case of ring finger injury. There were 11 cases of distal nail damage and 7 cases of distal nail root (including nail root) damage. The time from injury to admission was 1-5 hours, with an average of 2 hours. After debridement and anti-infection treatment for 5-7 days, the wounds in size of 1 cm×1 cm to 4 cm×3 cm were reconstructed by using nail flaps anastomosing the nerve branches of the first toe nail bed. The size of the nail flaps ranged from 1.5 cm×1.5 cm to 4.5 cm×3.5 cm. The donor sites were repaired with the flaps in 16 cases and skin graft in 2 cases. Results  All nail flaps, flaps, and skin grafts survived after operation and the wounds healed by first intention. All patients were followed up 6-12 months (mean, 10 months). The nails of 18 cases were all grown, in which 16 cases had smooth nails with satisfactory appearances, 1 case had uneven nails, and 1 case had obvious scar hyperplasia around the suture opening. At 6 months after operation, the two-point discrimination of the skin flap was 4-8 mm (mean, 6 mm). Meanwhile, the skin grafts and flaps at the donor sites regained protective sensation, good abrasion resistance, and had no negative effect upon walking and wearing shoes. Conclusion The application of a nail flap that anastomoses the nerve branch of the first toe nail bed for finger reconstruction has minimal damage and can achieve good nail bed repair results.

Citation： LI Xuechuan, ZHANG Lingling, SUN Changsheng, ZHANG Hui, LI Wenjun. Effectiveness of finger reconstruction using nail flap anastomosing nerve branch of the first toe nail bed. Chinese Journal of Reparative and Reconstructive Surgery, 2023, 37(12): 1496-1500. doi: 10.7507/1002-1892.202310038 Copy

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