Fig. 2From: Effect of drug-coated balloons in treatment of stenosis of the femoral artery and vein bypass graft not responding to plain old balloon angioplasty: a case reportChange in the peak systolic velocity (PSV) of the vein graft postoperatively. The solid arrows show angioplasty with a plain balloon and the broken arrow shows angioplasty with a drug-coated balloon. The change in PSV of the vein graft after surgery is shown on the graphBack to article page