Potent stent-less procedure using rotational atherectomy and drug-coated balloon to right coronary ostial lesion
2018
Abstract Background Even in the drug-eluting stent era, ostial lesion of the right coronary artery (RCA) still remains therapeutic challenge for interventional cardiologists. Case Series Case 1 (76 y.o. male) with angina on effort underwent transradial stent-less percutaneous coronary intervention (PCI) using rotational atherectomy (RA) followed by drug-coated balloon (DCB) dilation alone (RA/DCB) against a calcified de novo RCA ostial lesion. Case 2 (86 y.o. female) with recurrent unstable angina and hemodialysis underwent transfemoral RA/DCB against a severe repeat in-stent restenosis probably due to calcified nodule in the RCA ostium. In the both patients, PCI was successfully completed under intravascular ultrasound imaging (IVUS) guidance without complications. Follow-up CAG performed 4–5 months after the procedure revealed no significant lumen narrowing in the both RCA ostial lesions. Conclusions The both cases suggest that stent-less PCI using RA/DCB under IVUS might be an alternative revascularization therapy of choice for calcified RCA ostial lesions.
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