Fig. 4

Vascular crisis appeared in one case, and the wound healed gradually after wound dressing for nearly 1 month. a The thumb had soft tissue defects with the tendon and bone exposed. A transverse wrist crease flap was designed and harvested according to the wound. b, c The wound was covered with the flap. d After postoperative 2 days, vascular crisis appeared. e, f After postoperative changing dressing for 2 weeks, the circulation of the flap was improved. g, h After postoperative 26 months, the appearance of the injured fingers was satisfying, and the function was good