Balloon Deflation Strategy during Primary Percutaneous Coronary Intervention in Acute ST-Segment Elevation Myocardial Infarction: A Randomized Controlled Clinical Trial and Numerical Simulation-Based Analysis

Table 2

Angiographic characteristics.

	Rapid deflation, n = 105	Slow deflation, n = 106
Infarct-related artery
LAD	45 (42.9)	56 (52.8)	0.147
LCX	22 (21.0)	14 (13.2)	0.135
RCA	38 (36.2)	36 (34.0)	0.735
Coronary lesion
One-vessel	65 (61.9)	62 (58.2)	0.612
Two-vessel	31 (29.5)	35 (33.0)	0.584
Three-vessel	9 (8.5)	9 (8.5)	0.983
Killip classification
I/II/III/IV	88/16/1/0	89/15/2/0	0.833
Symptom to FMC (h)	4.6 ± 3.4	4.1 ± 3.2	0.264
D to B (min)	74 ± 35	77 ± 34	0.481

Data are presented as mean ± SD or number (%) of subjects. LAD: left anterior descending; LCX: left circumflex; RCA: right coronary artery; FMC: first medical contact; D to B: door to balloon.