Effect of Crack Patterns in Calcified Plaque on Lumen Area after Stenting for a Severe Calcified Coronary Artery (from the Optical Frequency Domain Imaging-Guided Percutaneous Coronary Artery Intervention for Calcified Lesion Registry)

Table 2

Baseline lesion characteristics and procedure details.

Variable	n = 54
Target vessel
Isolated LMCA	0
LMCA + LAD	2 (3.7%)
LAD	39 (72%)
LCx	2 (3.7%)
RCA	11 (20%)
Lesion length (mm)	35.0 ± 15.9
Tortuous vessel	12 (22%)
CTO	0
Rotational atherectomy	44 (81%)
CB diameter (mm)	2.74 ± 0.31
Maximum pressure of CB dilatation (atm)	10.4 ± 2.98
Rotablator burr size (mm)	1.78 ± 0.20
Slow flow/no reflow during procedure	5 (9.3%)

Data are presented as number (%) or mean ± standard deviation, unless otherwise noted. CTO, chronic total occlusion; LAD, left anterior descending artery; LCx, left circumflex artery; LMCA, left main coronary artery; RCA, right coronary artery; CB, cutting balloon. Calculated in 44 lesions.