Research Article

Long-Term Outcomes after Rotational Atherectomy for Calcified Chronic Total Occlusion versus Nonchronic Total Occlusion Coronary Lesions

Table 1

Baseline clinical characteristics of the study population.

Total (n = 812)CTO RA (n = 80)Non-CTO RA (n = 732) value

Age (years)73.1 ± 8.672.5 ± 8.973.1 ± 8.570.567
Gender
 Male (%)650 (80%)64 (80%)586 (80.1%)0.991
DM (%)287 (35.3%)32 (40%)255 (35.1%)0.383
HTN (%)727 (89.5%)74 (92.5%)653 (90.2%)0.506
Dyslipidemia (%)514 (63.3%)55 (68.8%)459 (63.4%)0.344
Smoking (%)244 (30%)24 (30%)220 (30.4%)0.943
Previous CABG (%)159 (19.6%)16 (20%)143 (19.5%)0.919
Previous MI (%)169 (20.8%)17 (21.3%)152 (20.8%)0.921
Previous PCI (%)322 (39.7%)39 (48.8%)283 (38.7%)0.080
Number of CAD (%)
 One vessel106 (13.1%)8 (10%)98 (13.4%)0.214
 Two vessels222 (27.3%)17 (21.3%)205 (28%)
 Three vessels484 (59.6%)55 (68.8%)429 (58.6%)
CKD (%)129 (15.9%)7 (8.8%)122 (16.7%)0.066
Dialysis (%)11 (1.4%)2 (2.5%)9 (1.2%)0.351
Left ventricular EF51.8 ± 12.649.6 ± 12.852.1 ± 12.60.098
Left ventricular243 (30.1%)27 (33.8%)216 (29.7%)0.455
EF < 50% (%)

Data presented as mean ± standard deviation or number and percentage. CABG, coronary artery bypass graft operation; CAD, coronary artery disease; CKD, chronic kidney disease; CTO, chronic total occlusion; DM, diabetes mellitus; EF, ejection fraction; HTN, hypertension; MI, myocardial infarction; PCI, percutaneous coronary intervention; RA, rotational atherectomy.