Treatment of In-Stent Restenosis by Excimer Laser Coronary Atherectomy and Drug-Coated Balloon: Serial Assessment with Optical Coherence Tomography

Table 1

Baseline patient characteristics.

	ELCA group	Non-ELCA group	p value
	(n = 18)	(n = 24)
Age, means, y	68.4 ± 9.7	71.5 ± 8.4	0.27
Male gender, %	14 (77.8)	20 (83.3)	0.65
Smoking, %	9 (50.0)	3 (12.5)	<0.01
Hypertension, %	12 (66.7)	21 (87.5)	0.10
Dyslipidemia, %	16 (88.9)	22 (91.7)	0.76
Diabetes mellitus, %	7 (38.9)	13 (54.2)	0.33
Chronic kidney disease, %	4 (22.2)	11 (45.8)	0.11
Hemodialysis, %	0 (0)	0 (0)	NS
Previous MI, %	7 (38.9)	17 (70.8)	0.04
Previous CABG, %	0 (0)	2 (8.3)	0.13
EF, %	59.3 ± 12.8	60.8 ± 12.4	0.71
Clinical presentation			<0.01
ACS, %	0 (0)	6 (25.0)
Non-ACS, %	18 (100)	18 (75.0)

Continuous variables expressed as mean ± standard deviation; categorical variables, as number (percentage).
ELCA, excimer laser coronary atherectomy; MI, myocardial infarction; CABG, coronary artery bypass graft; EF, left ventricular ejection fraction; ACS, acute coronary syndromes.