Bivalirudin vs. Heparin on Radial Artery Thrombosis during Transradial Coronary Intervention: An Optical Coherence Tomography Study

Table 2

Thrombus in the RA during coronary intervention.

		Before PSM			After PSM
		Bivalirudin (n = 67)	UFH (n = 144)	value	Bivalirudin (n = 47)	UFH (n = 75)	value
Proximal	Thrombus	23 (34.3%)	9 (6.3%)		18 (34.6%)	2 (2.5%)	<0.001
	Type (white/red/mix)	11/9/3	5/1/3		8/8/2	1/1/0
	Total TV (mm^3)	12.177	2.517	<0.001	12.007	0.085	<0.001
	Total TS	444	99		421	9	<0.001
	TB (%)	1.36 (0.65, 2.54)	0.99 (0.68, 2.44)		1.37 (0.80, 3.55)	0.81 (0.67, ‐)	<0.001
Middle	Thrombus	8 (11.9%)	10 (6.9%)	0.227	7 (13.5%)	5 (6.3%)	0.218
	Type (white/red/mix)	4/2/2	6/2/2		3/2/2	2/2/1
	Total TV (mm^3)	0.892	1.511	0.223	0.864	1.171	0.173
	Total TS	68	98	0.224	60	69	0.179
	TB (%)	0.82 (0.49, 1.46)	0.73 (0.36, 1.24)	0.219	0.96 (0.62, 1.53)	0.98 (0.37, 2.18)	0.167
Distal	Thrombus	4 (6.0%)	7 (4.9%)	0.746	4 (7.7%)	5 (6.3%)	0.740
	Type (white/red/mix)	2/1/1	4/2/1		2/1/1	3/2/0
	Total TV (mm^3)	0.384	0.192	0.690	0.384	0.076	0.684
	Total TS	39	28	0.683	39	19	0.699
	TB (%)	0.80 (0.43, 2.59)	0.46 (0.33, 1.19)	0.722	0.80 (0.43, 2.59)	0.41 (2.92, 0.83)	0.723
Total	Thrombus	28 (41.8%)	23 (16.0%)	<0.001	22 (42.3%)	11 (13.9%)	<0.001
	Type (white/red/mix)	15/7/6	14/4/5		11/6/5	6/4/1
	Total TV (mm^3)	13.452	4.219	<0.001	13.254	1.332	<0.001
	Total TS	551	225	<0.001	520	97	<0.001
	TB (%)	1.32 (0.59, 2.63)	0.88 (0.39, 1.66)	<0.001	1.58 (0.67, 3.95)	0.72 (0.37, 1.22)	<0.001

TV: thrombus volume, TS: thrombus score, and TB: thrombus burden.