Efficacy and Safety of Polymer-Free Ultrathin Strut Sirolimus-Probucol Coated Drug-Eluting Stents for Chronic Total Occlusions: Insights from the Coroflex ISAR 2000 Worldwide Registry

Table 2

Lesion characteristics and procedural data.

Variable		Patients, n (%)	<25 mm lesion length, n (%)	≥25 mm lesion length, n (%)	value
Number of lesions		127 (100%)	58 (45.7%)	69 (54.3%)	—
Target vessel	LAD	37 (29.1%)	15 (25.9%)	22 (31.9%)	0.005
	LCx	35 (27.6%)	24 (41.4%)	11 (15.9%)
	RCA	55 (43.3%)	19 (32.8%)	36 (52.2%)
	Graft	0 (0.0%)	0 (0.0%)	0 (0.0%)
Multivessel disease	1-vessel	103 (81.1%)	46 (79.3%)	57 (82.6%)	0.298
	2-vessels	22 (17.3%)	10 (17.2%)	12 (17.4%)
	3-vessels	2 (1.6%)	2 (3.4%)	0 (0.0%)
Thrombus burden		10 (7.9%)	5 (8.6%)	5 (7.2%)	0.775
Diffuse vessel disease		83 (65.4%)	32 (55.2%)	51 (73.9%)	0.027
Calcification		54 (42.4%)	24 (41.4%)	30 (43.5%)	0.812
Ostial lesion		9 (7.1%)	5 (8.6%)	4 (5.8%)	0.537
Bifurcations		8 (6.3%)	5 (8.6%)	3 (4.3%)	0.324
In-stent restenosis		12 (9.4%)	1 (1.7%)	11 (15.9%)	0.006
Severe tortuosity		17 (13.4%)	7 (12.1%)	10 (14.5%)	0.689
AHA/ACC type B2/C lesion		121 (95.3%)	52 (89.7%)	69 (100.0%)	0.006
Reference diameter (mm)		2.76 ± 0.40	2.7 ± 0.4	2.8 ± 0.4	0.059
Lesion length (mm)		26.8 ± 13.1	16.9 ± 4.5	35.2 ± 11.9	<0.001
DESs used		160 (100%)	65 (40.6%)	95 (59.4%)	—
DES per patient		1.8 ± 1.3	1.4 ± 1.2	2.1 ± 1.4	0.008
DES diameter (mm)		2.7 ± 0.4	2.7 ± 0.4	2.7 ± 0.4	0.690
DES length (mm)		29.4 ± 15.8	20.3 ± 8.4	36.9 ± 16.5	<0.001
DES inflation pressure (atm)		14.3 ± 3.4	14.5 ± 3.2	14.2 ± 3.5	0.638
Final result (% stenosis)		4.9 ± 11.3	5.7 ± 14.6	4.3 ± 7.7	0.478
Overall technical success per lesion		126 (99.2%)	58 (100.0%)	68 (98.6%)	0.357