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  • Title: Ethanol Embolotherapy for the Management of Refractory Chronic Skin Ulcers Caused by Arteriovenous Malformations.
    Author: Jin Y, Yang X, Hua C, Lin X, Chen H, Ma G, Wang T, Yu W.
    Journal: J Vasc Interv Radiol; 2018 Jan; 29(1):107-113. PubMed ID: 29221921.
    Abstract:
    PURPOSE: To describe the clinical features and treatment outcomes of ethanol embolotherapy in refractory chronic skin ulcers caused by arteriovenous malformations (AVMs). MATERIALS AND METHODS: From October 2011 to October 2015, 12 patients (5 male; mean age, 26.2 y) with refractory chronic skin ulcers caused by AVMs were treated at a single institution. Ethanol embolotherapy was performed by direct puncture techniques. Needles were directly inserted toward the nidus of the lesion based on imaging analysis. When fast blood reflux was noted, angiography was performed to ensure only the nidus and draining vein were opacified. Symptoms before and after treatment, previous treatment of AVMs and ulcers, embolotherapy sessions, follow-up time, complications, and degree of devascularization were recorded. Treatment outcomes were established by evaluating symptom outcomes and the degree of devascularization on follow-up angiography. RESULTS: Fifty embolotherapy procedures were performed in 12 patients: 6 underwent procedures on the head and neck, 4 on the feet, and 2 on the hands. Four patients (33.3%) experienced complete resolution of abnormal angioarchitecture according to follow-up angiography. Complete control of ulcers was achieved in all 12 patients. Two procedures (4%) in 2 patients (16.7%) caused superficial skin necrosis that healed spontaneously within 4 weeks. Thirteen procedures (26%) in 9 patients (75%) caused blistering immediately after treatment. There were no major complications. CONCLUSIONS: In a limited series, ethanol embolotherapy was effective and safe in the treatment of refractory chronic skin ulcers caused by AVMs.
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