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. 2024 Apr 15;121(4):e20230644. [Article in Portuguese] doi: 10.36660/abc.20230644

Table 2. Angiographic properties and in-hospital mortality rates of study groups.

Reflow (N=1363) No-reflow (N=178) p-value
IRA 0.085
LAD, n (%) 708 (51.9) 93 (52.2)
Cx, n (%) 340 (24.9) 40 (22.5)
RCA, n (%) 257 (18.9) 43 (24.2)
SVG, n (%) 58 (4.26) 2 (1.12)
Target vessel diameter ≥ 4mm, n (%) 211 (15.5) 22 (12.4) 0.326
Target lesion length, mm 25.0 (20.0-38.0) 36.0 (25.0-40.0) <0.001
Door to balloon time, min * 40.0 (30.0-45.0) 45.0 (30.0-60.0) 0.011
Procedure 0.080
PCI + stenting, (%) 1207 (88.6) 166 (93.3)
Direct stenting, (%) 114 (8.36) 11 (6.18)
Only PCI, (%) 42 (3.08) 1 (0.56)
TMPG ≥ 2, (%) 1078 (79.1) 110 (61.8) <0.001
Distal embolization, n (%) 43 (3.15) 24 (13.5) <0.001
ST-resolution, n (%) 1311 (96.2) 138 (77.5) <0.001
Thrombus burden grade ≥ 4, n (%) 339 (24.9) 108 (60.7) <0.001
In-hospital mortality, n (%) 55 (4.1) 25 (14) < 0.001

IRA: infract-related artery; LAD: left anterior descending artery; Cx: circumflex; RCA: right coronary artery; SVG: saphenous venous graft; PCI: percutaneous coronary intervention; TMPG: thrombolysis in myocardial infarction (TIMI) myocardial perfusion grade.

*

Door-to-balloon time was defined as the time from admission to the emergency department of the PCI center to balloon inflation.