Reverse Dorsal Metacarpal Artery Perforator Island Flap was Used to Repair the Wound of Middle and Proximal Dorsal Phalanx with Bone and Joint Exposure
Objective To explore the curative effect of reverse dorsal metacarpal artery perforator island flap in repairing wounds of middle and proximal dorsal phalanx with bone and joint exposure.Methods From January 2016 to December 2021,reverse dorsal metacarpal artery perforator island flap was used to repair 25 cases of wounds with bone and joint exposure in the middle and proximal dorsal phalanx of fingers in author's department.There were 18 males and 7 females.The age ranged from 15 to 52 years(mean,32 years).The causes of injury included heavy object injury in 13 cases,machine crush injury in 10 cases,and electric injury in 2 cases.The injury site was middle and ring finger in 9 cases,little finger in 7 cases,middle finger in 6 cases,and index finger in 3 cases.The wound size ranged from 2 cm×3 cm to 3 cm×5 cm.Results All the 24 flaps in this group survived well,and the distal end of one flap turned purple.After dressing change,the wound healed and the operation effect was not affected.During follow-up of 3 to 12 months,the blood supply,texture,shape,and function of the flaps were good.Conclusion The exposed wounds of the middle and proximal phalangeal joints of the fingertip can be repaired with the retrograde island flap of the distal perforator branch of the back of the hand.The surgical trauma is small,the operation is relatively simple,and the second stage operation is not required.It can meet the requirements of the repair of the function and shape of the opponent.It is suitable for primary hospitals.
fingerexposed wound of bone and jointdorsal metacarpal artery perforator flaprepair
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