Abstract

To retrospectively evaluate the results of sclerotherapy for venous malformations, with emphasis on patient satisfaction, complications and predictors of positive response to treatment. Three hundred and nine patients were treated with ethanol sclerotherapy for venous malformations in our center between the years 2000 and 2014. All of them were sent a self-assessment questionnaire for evaluation of their satisfaction and treatment complications. In total, 153 patients (mean age 21, range 6weeks to 67years) responded to the questionnaire. We analyzed clinical and imaging data from the medical records of these patients. Sixty-four (42%) patients had venous malformations in the lower extremities, 35 (23%) in head and neck regions, 33 (22%) in the trunk, 14 (9%) in the upper extremities and 5 (3%) in the buttock and genitalia. Complete relief of swelling, pain, functional and esthetic complaints was reported in 23%, 22%, 17% and 12% of patients, respectively. Thirty-eight (25%) patients reported being very satisfied with treatment outcomes, 55 (36%) were satisfied, 49 (32%) were not satisfied and 11 (7%) were very unsatisfied. We did not find significant correlations between patient satisfaction and demographics characteristics, lesion location, lesion size, tissue involvement or total sclerosant quantity. The rate of class 3 complications was 7% and that of class 4 complications was 2%. Ethanol sclerotherapy is an effective treatment for venous malformations. Nonetheless, this treatment has a significant complication rate. Patient satisfaction is independent of lesion characteristics and is not as high as may be expected.

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