SHEN Xiaofang , YIN Fei , XUE Mingyu , YU Jiong , LIN Weifeng , RUI Yongjun
  • Department of Pediatric Orthopaedics, Wuxi No.9 People’s Hospital Affiliated to Soochow University, Wuxi Jiangsu, 214000, P.R.China;
RUI Yongjun, Email: ruiyj@hotmail.com
Congenital spade hand deformity; metacarpal osteotomy; thumb opponensplasty; the first web formation; surgical flaps
10.7507/1002-1892.201804111
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Objective To explore the effectiveness of one-stage metacarpal osteotomy, thumb opponensplasty and polygonal flap reconstruction in the treatment of congenital spade hand deformity. Methods Eight cases of congenital spade hand were treated between January 2013 and March 2017. There were 5 males and 3 females, with an average age of 17.5 months (range, 13-35 months). The clinical manifestations of all the children were congenital spade hand and the affected hand was shorter than the healthy side. The contralateral hand was normal and there was no chest, skull, or facial deformity. The operation was performed with metacarpal osteotomy and thumb opponensplasty, and through the dorsal metacarpal rectangular flap to reconstruct the first web and through rotation of polygonal skin flap to reconstruct thumb web and lateral fold of thumb index nail. The dorsal ulnar and proximal radial segment of thumb were repaired by skin grafting. A vernier caliper was used to measure the first web space and the thumb function was evaluated by modified Tada score. Results The reconstruction of palmar function and the formation of first web were completed in one stage in 8 children. Skin grafting on the dorsal ulnar side of thumb and radial side of index finger survived after operation. All the children were followed up 13-29 months, with an average of 16.1 months. There was no infection, skin flap necrosis, lateral deviation of thumb, scar contracture, or other complications. At last follow-up, there was no significant difference in skin color between the healthy side and the first web of the affected hand. The opening distance of first web space was 3.5-5.0 cm, with an average of 4.2 cm. According to the modified Tada scoring system, the results were excellent in 7 cases and good in 1 case, with an excellent and good rate of 100%. The thumb could grasp and pinch actively, and the palm opposition function was good. Conclusion One-stage thumb opponensplasty combined with polygonal flap for reconstruction of congenital spade hand deformity can improve hand function very well. The reasonable designing of skin flap can effectively cover important areas, and the operation is safe and reliable.

Citation： SHEN Xiaofang, YIN Fei, XUE Mingyu, YU Jiong, LIN Weifeng, RUI Yongjun. One-stage thumb opponensplasty and polygonal flap in congenital spade hand reconstruction. Chinese Journal of Reparative and Reconstructive Surgery, 2019, 33(2): 199-202. doi: 10.7507/1002-1892.201804111 Copy

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