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

Table 2

Device characteristics.

DCB-iRA lesions 
(n=68)
nDES-iRA lesions 
(n=98)
P value

Number of patientsn=54n=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 (%)
  1.25mm5 (7.4)8 (8.2)0.18
  1.5mm19 (27.9)34 (34.7)
  1.75mm27 (39.7)45 (45.9)
  2.0mm7 (10.3)7 (7.1)
  2.15mm1 (1.5)1 (1.0)
  2.25mm9 (13.2)3 (3.1)
Mean burr size, mm1.74±0.281.66±0.220.038
B/A ratio0.79±0.170.69±0.13<0.001

B/A ratio, burr-to-artery ratio.