Table 1. Demographic data of rotational atherectomy with IABP implant before PCI (primary IABP) vs. RA with IABP implant during or after PCI (bailout IABP) cases in the study period.
| Variables | Both (N = 63) | Primary IABP (N = 51) | Bailout IABP (N = 12) | p-value* |
| Sex (M/F) | 44/19 | 35/16 | 9/3 | 1.000 |
| Age (years) | 77.7 ± 10.1 | 77.5 ± 10.3 | 78.5 ± 9.7 | 0.753 |
| Clinical diagnosis (N, %) | 0.114 | |||
| Stable angina | 5 (7.9%) | 5 (9.8%) | 0 | |
| Unstable angina | 11 (17.5%) | 9 (17.6%) | 2 (16.7%) | |
| NSTEMI | 16 (25.4%) | 14 (27.5%) | 2 (16.7%) | |
| STEMI | 2 (3.2%) | 1 (2.0%) | 1 (8.3%) | |
| Ischemic CM | 8 (12.7%) | 8 (15.7%) | 0 | |
| Unstable angina + shock | 2 (3.2%) | 2 (3.9%) | 0 | |
| NSTEMI + shock | 8 (12.7%) | 6 (11.8) | 2 (16.7%) | |
| STEMI + shock | 9 (14.3%) | 4 (7.8%) | 5 (41.7%) | |
| Ischemic CM + shock | 2 (3.2%) | 2 (3.9%) | 0 | |
| Hypertension (N, %) | 33 (52.4%) | 25 (49.0%) | 8 (66.7%) | 0.271 |
| Diabetes (N, %) | 33 (52.4%) | 26 (51.0%) | 7 (58.3%) | 0.646 |
| PAD (N, %) | 11 (17.5%) | 6 (11.8%) | 3 (25.0%) | 0.354 |
| Baseline LVEF (%) | 37.2 ± 12.4 | 38.0 ± 12.2 | 33.8 ± 13.3 | 0.341 |
| Lab data | ||||
| Hemoglobin (g/dl) | 11.1 ± 2.2 | 10.8 ± 2.2 | 12.4 ± 2.0 | 0.026 |
| BUN (mg/dl) | 43.3 ± 42.9 | 45.1 ± 48.3 | 37.8 ± 19.2 | 0.611 |
| Cr (mg/dl) | 2.6 ± 2.5 | 2.7 ± 2.7 | 2.1 ± 1.0 | 0.217 |
| Cholesterol (mg/dl) | 140.9 ± 29.2 | 141.5 ± 29.8 | 135.5 ± 25.8 | 0.701 |
| HDL-chol (mg/dl) | 44.0 ± 12.3 | 44.0 ± 12.8 | 44.3 ± 8.1 | 0.970 |
| LDL-chol (mg/dl) | 81.0 ± 26.5 | 81.9 ± 26.4 | 63.0 ± 29.7 | 0.331 |
| FBS (mg/dl) | 176.42 ± 93.6 | 183.1 ± 87.5 | 155.3 ± 112.6 | 0.374 |
| HbA1c (mg/dl) | 7.1 ± 2.0 | 6.9 ± 1.5 | 8.0 ± 4.3 | 0.617 |
| Total CK (U/L) | 188.0 ± 226.7 | 194.6 ± 219.3 | 160.7 ± 247.8 | 0.692 |
| CK-MB (U/L) | 21.4 ± 24.1 | 21.4 ± 25.9 | 21.3 ± 17.4 | 0.990 |
| Troponin (ng/ml) | 12.0 ± 18.6 | 10.5 ± 15.7 | 17.1 ± 26.3 | 0.464 |
| CAD vessels | 0.122 | |||
| SVD (N, %) | 3 (4.8%) | 2 (4.0%) | 1 (8.3%) | |
| DVD (N, %) | 18 (28.6%) | 12 (23.5%) | 6 (50.0%) | |
| TVD (N, %) | 42 (66.7%) | 37 (72.5%) | 5 (41.7%) | |
| Plus LM (N, %) | 24 (38.1%) | 22 (43.1%) | 2 (16.7%) | 0.110 |
| Prior CABG (N, %) | 8 (12.7%) | 6 (11.8%) | 2 (16.7 %) | 0.641 |
* RA with primary IABP vs. RA with bailout IABP.
ACS, acute coronary syndrome; BUN, blood urea nitrogen; CABG, coronary artery bypass grafting; CAD, coronary heart disease; CK, creatine kinase; CK-MB, creatine Kinase MB; DVD, double vessel disease; F, female; FBS, fasting blood sugar; HbA1c, glycated hemoglobin; HDL-chol, high-density lipoprotein cholesterol; IABP, intra-aortic balloon pump; ischemic CM, ischemic cardiomyopathy; LDL-chol, low-density lipoprotein cholesterol; LVEF, left ventricular ejection fraction; M, male; NSTEMI, non-ST elevation myocardial infarction; PAD, peripheral artery disease; PCI, percutaneous coronary intervention; STEMI, ST-elevation myocardial infarction; SVD, single vessel disease; TVD, triple vessel disease.