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Journal of the Korean Society of Plastic and Reconstructive Surgeons 2011;38(1):27-34.
Published online January 1, 2011.
The Result and Attentiveness of Reconstructive Surgery by Anterolateral Thigh Perforator Free Flap.
Kyung Dong Kang, Jae Woo Lee, Kyoung Hoon Kim, Heung Chan Oh, Chi Won Choi, Soo Jong Choi, Yong Chan Bae, Su Bong Nam, Jung Il Kim, Gi Seok Chu
1Department of Plastic and Reconstructive Surgery, School of Medicine, Pusan National University, Busan, Korea. subong71@pusan.ac.kr
2Department of Orthopedic Surgery, School of Medicine, Pusan National University, Busan, Korea.
3Department of Radiology, School of Medicine, Pusan National University, Busan, Korea.
Anterolateral thigh(ALT) perforator free flap is commonly used because of its various benefits. The author reports important factors of preoperative and perioperative ALT perforator free flap and causes of failure. METHODS: 84 patients who were treated with ALT perforator free flap from December 2004 to 2008, and February 2010 to April 2010 were studied. 61 patients were male and 23 were female. The mean age of patients was 51.1. The main cause was neoplasm and the main reconstructive areas were head and neck area. The size of flap was various from 3 x 4 to 12 x 18cm. 6 patients received split thickness skin graft at donor site. Preoperative angiography was checked to all patients.
Among the 84 patients, partial necrosis of flaps occurred in 4 patients because of atherosclerosis, varicose vein, or inattention of patient, etc. And total flap necrosis in 5 patients because of abnormal vessels of recipient area or delay of operation, etc. One case of serous cyst was found as the complication of donor area. Two cases of skin graft on donor site were done because of suspected muscle compartment syndrome, 4 cases of that because of large flap. Septocutaneous perforators were found in 7 cases. The author couldn't find reliable perforator in 3 cases, ipsilateral anteromedial thigh perforator and contralateral ALT perforator and latissimus dorsi musculocutaneous free flap were done instead of ALT. There was no case which needed reoperation because of the impairment of blood supply, and 3 cases were revised by leech because of the burn injury by a lamp or venous congestion.
Although ALT perforator free flap is widely used with its various merits, many factors such as preoperative condition of donor or recipient area, morphology of defect and operating time need to consider to prevent flap necrosis. And operators should need careful technique because septocutaneous perforator is uncommon, and musculocutaneous perforator is common but difficult to dissect.
Keywords: Anterolateral thigh; Perforator; Free flap
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