Gross Hemoglobinuria and Oliguria Are Common Transient Complications of Sclerotherapy for Venous Malformations: Review of 475 Procedures

Abstract

Transient hemoglobinuria and oliguria are common complications of sclerotherapy for venous malformation. Nevertheless, with proper fluid management, all the patients promptly recovered. The risk correlates with the volume of sclerosant (adjusted to patient's weight) and is higher for lower extremity and multiple locations.