Table 3. Procedure outcomes of rotational atherectomy with IABP implant before PCI (RA with primary IABP) vs. RA with IABP implant during or after PCI (RA with bailout IABP) cases in the study period.

Variables	Both (N = 63)	Primary IABP (N = 51)	Bailout IABP (N = 12)	p-value*
Acute no flow (N, %)	0	0	0	N/A
Perforation (N, %)	1 (1.6%)	0	1 (8.3%)	0.190
Wire transection (N, %)	1 (1.6%)	1 (2.0%)	0	1.000
Profound/refractory shock	3 (4.8%)	0	3 (25.0%)	0.006
Ventricular arrhythmia (N, %)	2 (3.2%)	1 (2.0%)	1 (8.3%)	0.347
Emergent CABG (N, %)	0	0	0	N/A
Die on table (N, %)	0	0	0	N/A
Acute CIN (N, %)	17 (27.0%)	12 (23.5%)	5 (41.7%)	0.279

* RA with primary IABP vs. RA with bailout IABP.

CIN, contrast-induced nephropathy. Abbreviations are in Table 1.