Research Article

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 3

PCI characteristics and medications.

Rapid deflation, n = 105Slow deflation, n = 106

Target lesion length (mm)24.4 ± 9.324.2 ± 9.50.876
Proximal reference (mm)3.3 ± 0.53.4 ± 0.40.302
Distal reference (mm)3.1 ± 0.43.2 ± 0.40.391
Number of stent implanted1.13 ± 0.341.13 ± 0.340.979
Inflation pressure during stent implantation (atm)16.2 ± 2.116.1 ± 2.00.570
Predilation92 (87.6)90 (84.9)0.567
Postdilation48 (45.7)42 (39.6)0.371
Thrombus aspiration21 (20.0)24 (22.6)0.640
Tirofiban77 (73.3)73 (68.9)0.474
aspirin + clopidogrel78 (74.3)77 (72.6)0.787
aspirin + ticagrelor27 (25.7)29 (27.4)0.787
ACEI/ARB92 (87.6)93 (87.7)0.979
Statins88 (83.8)86 (81.1)0.609
Beta-blockers90 (85.7)92 (86.8)0.820
Oral anticoagulation3 (2.9)2 (1.9)0.683

Data are presented as mean ± SD or number (%) of subjects. ACEI/ARB: angiotensin-converting enzyme inhibitor/angiotensin II receptor blocker.