J Korean Orthop Assoc.  1981 Mar;16(1):146-155. 10.4055/jkoa.1981.16.1.146.

Neurovascular Free Flap Transfer by Microsurgery

Abstract

Sixteen microvasular free flap transfers have performed during recent two years in this department, which was first attempt in Korea. Neurovascular free flap was nine and vascular free flap was seven. The donor flaps were thirteen dorsalis pedls falps, two groin flaps and one latissimus dorsi flap respectively. The recipient sites were heel pad loss, vital organ exposure and scar contracture lesions in extremity. Their main cause of soft tissue defect was traumatic in all. All patients have experienced more than two times of split thickness skin graft before free flap transfer. The success rate of vascular free flap transfer was 94%. The only one failure case was due to venous thrombosis, but secondary split thickness skin graft performed with satisfactory result. The follow up period was from 5 months to 20 months. Sweating in transferred free flap was found at all neurovascular free flap within postoperative 4 months. Adequate 2-point discrimination was obtained at six patients of nine neurovascular free flaps and protective sensation seems to progressively improve in remained three patients. Two point discrimination was shortened at hand after neurovascular dorsalis pedis flap transfer in two cases. The weight bearing function at heel pad region and tactile sensation at hand have satisfactorily recovered after free flap transfer. Free flap transfer have many advantages compare to conventional skin graft, such as shorter therapeutic time, lesser physical and economic burdens, primary covering to vital organs and protective sensation of neurovascular free flap transfer. The most important factors are meticulous microvascular operation technique and anatomic knowledge.

Keyword

Free Flap; Microsurgery

MeSH Terms

Cicatrix
Contracture
Discrimination (Psychology)
Extremities
Follow-Up Studies
Free Tissue Flaps*
Groin
Hand
Heel
Humans
Korea
Microsurgery*
Sensation
Skin
Superficial Back Muscles
Sweat
Sweating
Tissue Donors
Transplants
Venous Thrombosis
Weight-Bearing
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