The Impact of Intracoronary Imaging on PCI Outcomes in Cases Utilising Rotational Atherectomy: An Analysis of 8,417 Rotational Atherectomy Cases from the British Cardiovascular Intervention Society Database

Table 3

Crude outcomes by intracoronary imaging use in patients undergoing RA-PCI in England and Wales, 2007−2014.

Variable	All (n = 8417)	No imaging (n = 7138)	Imaging (n = 1279)	value
Transfusion, no. (%)	68 (0.8)	53 (0.7)	15 (1.2)	0.09
Postprocedural stroke, no. (%)	8 (0.1)	7 (0.1)	1 (0.1)	1.00
Emergency CABG, no. (%)	6 (0.1)	6 (0.1)	0 (0)	-
GI bleed, no. (%)	9 (0.1)	8 (0.1)	1 (0.1)	1.00
Periprocedural MI, no. (%)	77 (0.9)	62 (0.9)	15 (1.2)	0.40
Acute kidney injury, no. (%)	18 (0.2)	14 (0.2)	4 (0.3)	0.69
Tamponade, no. (%)	51 (0.6)	42 (0.6)	9 (0.7)	0.82
In-hospital death, no. (%)	113 (1.3)	97 (1.4)	16 (1.3)	0.89
In-hospital major bleed, no. (%)	139 (1.7)	113 (1.6)	26 (2)	0.36
In-hospital MACCE, no. (%)	192 (2.3)	162 (2.3)	30 (2.3)	1.00
Dissection, no. (%)	257 (3.1)	204 (2.9)	53 (4.1)	0.03
Perforation, no. (%)	91 (1.1)	73 (1)	18 (1.4)	0.25
Heart block, no. (%)	54 (0.6)	48 (0.7)	6 (0.5)	0.55
Slow flow, no. (%)	67 (0.8)	57 (0.8)	10 (0.8)	1.00
Sidebranch loss, no. (%)	74 (0.9)	60 (0.8)	14 (1.1)	0.36
Shock induction, no. (%)	43 (0.5)	32 (0.4)	11 (0.9)	0.03
Any complication, no. (%)	519 (6.2)	423 (5.9)	96 (7.5)	0.03
Access site complications, no. (%)	206 (2.5)	162 (2.3)	44 (3.6)	0.01
Arterial haemorrhage, no. (%)	44 (0.5)	36 (0.5)	8 (0.6)	0.79
12-month survival, no. (%)	689 (8.2)	582 (8.2)	107 (8.4)	0.86
No. of lesions successful, ±SD	1.6 ± 0.8	1.5 ± 0.8	1.7 ± 0.9	<0.01
Residual diseased vessels post-PCI, ±SD	0.5 ± 0.8	0.6 ± 0.8	0.5 ± 0.8	0.04
Length of hospital stay (days), ±SD	3.1 ± 7.1	3 ± 7.1	3.3 ± 6.9	0.04