Outcomes of patients with acute ST-segment elevation myocardial infarction treated by a prolonged “Deferred” percutaneous coronary intervention strategy

Table 2 Angiographic data and treatment profile, n (%)

Characteristics	Patients with STEMI		P value
Culprit artery
LAD	34 (61.8)
LCX	7 (12.7)
RCA	14 (25.5)
	First angiogram	Second angiogram
Thrombus grade			0.127
Grade 0	0 (0)	30 (55.6)
Grade 1	0 (0)	13 (24.1)
Grade 2	10 (18.2)	9 (16.7)
Grade 3	18 (32.7)	2 (3.7)
Grade 4	18 (32.7)	0 (0)
Grade 5	9 (16.4)	0 (0)
Myocardial blush grade			0.179
Grade 0	0 (0)	0 (0)
Grade 1	21 (38.2)	0 (0)
Grade 2	30 (54.5)	20 (37)
Grade 3	4 (7.3)	34 (63)
TIMI flow grade			0.699
0	1 (1.8)	0 (0)
1	3 (5.5)	0 (0)
2	32 (58.2)	2 (3.7)
3	19 (34.5)	52 (96.3)
Culprit artery stenosis
< 70%	7 (12.73)	23 (42.59)
70%-95%	30 (54.55)	21 (38.89)
95%-99%	18 (32.73)	10 (18.52)
Culprit artery diameter, mm
mean ± SD	2.94 ± 0.29	3.13 ± 0.31
Median (range)	3.00 (2.25-3.50)	3.00 (2.25-3.50)
POBA/thrombosuction
Yes	4 (7.3)
No	51 (92.7)
LMWH
Yes	55 (100)
No	0 (0)
GP IIb/IIIa inhibitors
Yes	21 (38.2)
No	34 (61.8)

STEMI: ST-segment elevation myocardial infarction; LAD: Left anterior descending artery; LCX: Left circumflex artery; RCA: Right coronary artery; TIMI: Thrombolysis in myocardial infarction; POBA: Percutaneous old balloon angioplasty; LMWH: Low-molecular-weight heparin; GP II b/IIIa: Glycoprotein IIb/IIIa.