In these conditions, a venous technique, if retrograde venous catheterization, is possible or direct punctures in the nidus might be executed. Lowering the inflow via the main few arterial classes helps make these two alternatives doable, safer, and easier to execute. 37.Shin B S, Do Y S, Cho H S https://sgvasculargrp.com/medical-condition/vascular-malformations/