Slender Sheath/Guiding Catheter Combination vs. Sheathless Guiding Catheter for Acute Coronary Syndrome: A Propensity-Matched Analysis of the Two Devices

Table 2

Procedural characteristics of the study population.

Variables	Total population			Propensity-matched population
	Glidesheath N = 397	Sheathless N = 711		Glidesheath N = 364	Sheathless N = 364
LAD/diagonal, n (%)	196 (49.4)	318 (44.7)	0.15	179 (49.2)	170 (46.7)	0.55
LCX/marginal, n (%)	37 (9.3)	144 (20.3)	<0.001	33 (9.1)	72 (19.8)	<0.001
RCA, n (%)	139 (35.0)	217 (30.5)	0.14	132 (36.3)	109 (30.0)	0.08
LMCA, n (%)	25 (6.3)	32 (4.5)	0.20	20 (5.5)	13 (3.6)	0.29
Guiding catheter type
LAD/diagonal (JL/EBU/others), n (%)	143 (73.0)/51 (26.0)/2 (1.0)	263 (82.7)/54 (17.0)/1 (0.3)	0.025	132 (73.7)/46 (25.7)/1 (0.6)	144 (84.7)/26 (15.3)/0 (0)	0.033
LCX/marginal (JL/EBU/others), n (%)	13 (35.1)/23 (62.2)/1 (2.7)	79 (54.9)/65 (45.1)/0 (0)	0.019	12 (36.4)/20 (60.6)/1 (3.0)	42 (58.3)/30 (41.7)/0 (0)	0.050
RCA (JR/AL/others), n (%)	101 (72.7)/30 (21.6)/8 (5.7)	157 (72.4)/58 (26.7)/2 (0.9)	0.018	97 (73.5)/28 (21.2)/7 (5.3)	81 (74.3)/26 (23.9)/2 (1.8)	0.22
LMCA (JL/EBU/others), n (%)	15 (60.0)/9 (36.0)/1 (4.0)	28 (87.5)/3 (9.4)/1 (3.1)	0.0046	14 (70.0)/6 (30.0)/0 (0)	12 (92.3)/1 (7.7)/0 (0)	0.12
True bifurcation lesion, n (%)	67 (16.9)	99 (13.9)	0.19	58 (15.9)	51 (14.0)	0.53
In-stent restenosis/occlusion, n (%)	26 (6.6)	39 (5.5)	0.58	24 (6.6)	18 (5.0)	0.43
Diffuse lesion, n (%)	264 (66.5)	434 (61.0)	0.080	246 (67.6)	228 (62.6)	0.19
Heavily calcified lesion, n (%)	13 (3.3)	10 (1.4)	0.047	12 (3.3)	5 (1.4)	0.14
Thrombus aspiration, n (%)	218 (54.9)	253 (35.6)	<0.001	203 (55.8)	135 (37.1)	<0.001
Rotablation, n (%)	8 (2.0)	6 (0.8)	0.16	7 (1.9)	2 (0.6)	0.18
Arterial access site
Left radial, n (%)	373 (94.0)	679 (95.5)	0.26	344 (94.5)	343 (94.2)	1.00
No. of previous iTRA attempts, median (min–max)	0 (0–9)	0 (0–11)	0.002	0 (0–9)	0 (0–11)	0.17
No. of previous iTRI attempts, median (min–max)	0 (0–7)	0 (0–7)	0.059	0 (0–7)	0 (0–7)	0.36

Data are presented as median (interquartile range) or n (%), unless otherwise indicated. “Glidesheath” denotes 7-Fr Glidesheath slender/7-Fr guiding catheter combination group, and “Sheathless” denotes 7.5-Fr sheathless guiding catheter group. The asterisk denotes a statistically significant difference between the two groups. AL, Amplatz type; EBU, extra backup type; iTRA, ipsilateral transradial coronary angiography; iTRI, ipsilateral transradial coronary intervention; JL, Judkins Left type; JR, Judkins Right type; LAD, left anterior descending coronary artery; LCX, left circumflex coronary artery; LMCA, left main coronary artery; RCA, right coronary artery.