Fig. 1From: Head-to-head comparison of sirolimus- versus paclitaxel-coated balloon angioplasty in the femoropopliteal artery: study protocol for the randomized controlled SIRONA trialStudy flow chart. Asterisk indicates pre-dilation, drug-coated balloon dilation, and post-dilation should last for at least 60 s each. Dilation for 180 s each is strongly recommended. DCB, drug-coated balloon; PTA, percutaneous transluminal angioplasty; ITT, intention to treatBack to article page