Smooth passage of a catheter through a varicose saphenous vein during radiofrequency ablation may prove a challenging task. Various types of venous bending in the transverse and sagittal planes and their combinations within the saphenous compartment may be pretty well appreciated by ultrasound examination. Several simple manual manoeuvres like stretching, pushing or lifting along with limb re-positioning may often help the surgeon to advance the catheter through the segments by temporarily changing their special configuration. In this way the number of patients otherwise considered unsuitable for endovascular catheter procedures like radiofrequency or laser ablation may be considerably reduced.
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