Journal of Interventional Cardiology / 2019 / Article / Tab 2 / Research Article
Safety and Long-Term Efficacy of Drug-Coated Balloon Angioplasty following Rotational Atherectomy for Severely Calcified Coronary Lesions Compared with New Generation Drug-Eluting Stents DCB-iRA lesions (n=68) nDES-iRA lesions (n=98) P valueNumber of patients n=54 n=69 Sheath size, French(F) 6F (%) 32 (59.3) 53 (76.8) 0.11 7F (%) 10 (18.5) 9 (13.0) 8F (%) 12 (22.2) 7 (10.1) Approach via radial artery (%) 36 (66.7) 44 (63.8) 0.67 via brachial artery (%) 0 (0.0) 2 (2.9) via femoral artery (%) 18 (33.3) 23 (33.3) Maximum burr size (%) 1.25mm 5 (7.4) 8 (8.2) 0.18 1.5mm 19 (27.9) 34 (34.7) 1.75mm 27 (39.7) 45 (45.9) 2.0mm 7 (10.3) 7 (7.1) 2.15mm 1 (1.5) 1 (1.0) 2.25mm 9 (13.2) 3 (3.1) Mean burr size, mm 1.74±0.28 1.66±0.22 0.038 B/A ratio 0.79±0.17 0.69±0.13 <0.001
B/A ratio, burr-to-artery ratio.