Research Article

Short-Term Outcomes of Elective High-Risk PCI with Extracorporeal Membrane Oxygenation Support: A Single-Centre Registry

Table 1

Baseline patient and angiographic characteristics.

PCI with ECMO support (n = 14)PCI with ECMO standby (n = 11)value

Age, years (±SD)66.5 (±2.5)69.8 (±2.5)0.37
Male, % (n)71.4 (10/14)72.7 (8/11)1.00
Hypertension, % (n)42.9 (6/14)45.5 (5/11)1.00
Diabetes mellitus, % (n)57.1 (8/14)45.5 (5/11)0.56
Dyslipidaemia, % (n)28.6 (4/14)36.4 (4/11)1.00
Congestive heart failure, % (n)57.1 (8/14)27.3 (3/11)0.23
Prior MI, % (n)57.1 (8/14)63.6 (7/11)1.00
Prior PCI, % (n)21.4 (3/14)36.3 (4/11)0.67
Peripheral artery disease, % (n)28.6 (4/14)9.1 (1/11)0.34
Lung disease, % (n)14.3 (2/14)27.3 (3/11)0.62
Chronic kidney disease (GFR <30 ml/min), % (n)7.1 (1/14)18.2 (2/11)0.57
 Dialysis100 (1/1)100 (2/2)
Three-vessel coronary artery disease, % (n)57.1 (8/14)54.5 (6/11)1.00
Left main stenosis, % (n)78.6 (11/14)81.1 (9/11)1.00
Generic bifurcation lesion, % (n)21.4 (3/14)36.4 (4/11)0.67
CTO, % (n)71.4 (10/14)63.6 (7/11)1.00
LVEF, % (±SD)33 (±3.0)36 (±4.6)0.54
STS mortality risk score (± SD or IQR)2.9 (1.5–5.8)2.7 (±0.5)0.55
SYNTAX score I (±SD)35.5 (±2.0)32.0 (±2.3)0.28
SYNTAX score II (PCI) (±SD)49.8 (±3.2)51.5 (±3.7)0.74
SYNTAX score II (CABG) (±SD)36.2 (±3.1)40.1 (±2.8)0.38
Indication for MCS, % (n)
 LM, SRC, or SMVD with severe LV-dysfunction57.1 (8/14)
 LM, SRC, or SMVD with (recent) HF21.4 (3/14)
 LM, SRC, or SMVD with expected technically challenging and prolonged PCI21.4 (3/14)
Preprocedural admission at ICU, % (n)7.1 (1/14)0 (0/11)1.00

CTO, chronic total occlusion; ECMO, extracorporeal membrane oxygenation; GFR, glomerular filtration rate; HF, heart failure; IQR, interquartile range; LM, left main; LVEF, left ventricular ejection fraction; MCS, mechanical circulatory support; MI, myocardial infarction; N, number of treated patients; PCI, percutaneous coronary intervention; SD, standard deviation; SMVD, severe multivessel disease; SRC, single remaining conduit.