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  • Title: Reliability of free-flap coverage in diabetic foot ulcers.
    Author: Ozkan O, Coşkunfirat OK, Ozgentaş HE.
    Journal: Microsurgery; 2005; 25(2):107-12. PubMed ID: 15633172.
    Abstract:
    As microsurgery advances, microsurgical free-tissue transfers have become the reconstructive method of choice over staged or primary amputation, and enabling independent ambulation in difficult lower-extremity wounds. In this report, we present our experiences with free-tissue transfer for the reconstruction of soft-tissue defects in 13 diabetic foot ulcers. Following radical debridement, soft-tissue reconstruction was achieved in the following ways: anterolateral thigh fasciocutaneous flap in 5 patients, radial forearm fasciocutaneous flap in 3 patients, lateral arm fasciocutaneous flap in 1 patient, gracilis musculocutaneous flap in 1 patient, tensor fascia latae flap in 1 patient, deep inferior epigastric perforator flap in 1 patient, and a parascapular flap in the remaining patient. In 8 cases, diabetic wounds were in the foot, while wounds were at the level of the lower leg in the remaining patients. In all patients, vascular patency was confirmed by the Doppler technique. In suspicious cases, arteriography was then performed. While all flaps survived well in the postoperative period, one patient died from cardiopulmonary problems on postoperative day 16 in an intensive care unit. Amputation was necessary in the early postoperative period because of healing problems. In the remaining 10 cases, all flaps survived intact. In one case, arterial revision was performed successfully. The ultimate limb salvage rate was 83% for the 12 patients. Independent ambulation was achieved in these cases. During the follow-up period of 8 months to 2 years, no ulcer recurrence was noted, and no revascularization or vascular bypass surgery was needed before or after the free-tissue transfers. The authors conclude that free-tissue transfer for diabetic foot ulcers is a reliable procedure, despite pessimistic opinions regarding the flap survival and low limb salvage rates. It should be considered a useful reconstructive option for serious defects in well-selected cases.
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