Experience with Arteriovenous Malformations Treated with Flap Coverage

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Abstract
Fourteen patients with arteriovenous malformations were treated with surgical resection followed by well-vascularized tissue transfer. Free-tissue transfers were used in 12 of the patients and axial local flaps in 2 patients to reconstruct the region with arteriovenous malformations. The feeding arteries of the arteriovenous malformations were used as recipient vessels in all cases of free-tissue transfers without any trouble in microvascular anastomosis. With an average follow-up of 3 years and 2 months, 12 patients showed no clinical recurrence (86 percent). Follow-up angiography in seven patients showed complete disappearance of malformations in two patients and residual malformations not enlarged in three patients. Two patients had residual malformations that were noted to be increasing in follow-up angiograms, and they also had clinical evidence of recurrence. In these patients an intramaxillary recurrence in one and intraorbital in the other appeared at about 1 and 3 years, respectively, after surgery. This therapeutic concept can be expected to provide great remission in the treatment of arteriovenous malformations.

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