Predilation Ballooning in High Thrombus Laden STEMIs: An Independent Predictor of Slow Flow/No-Reflow in Patients Undergoing Emergent Percutaneous Coronary Revascularization
Table 2
Demographic, clinical, and angiographic characteristics and postprocedure in-hospital complications and outcomes’ comparison between propensity-matched cohorts of patients with and without predilation ballooning in 1 : 1 ratio.
Preballooning
value
Not done
Done
Total (N)
346
346
—
Gender
Female
22% (76)
22.8% (79)
0.784
Male
78% (270)
77.2% (267)
Age (years)
55.55 ± 11.51
56.95 ± 11.3
0.108
Total ischemic time (minutes)
360 [252–480]
375 [250–570]
0.239
Systolic blood pressure (mmHg)
130.4 ± 25.8
131.3 ± 27.1
0.670
Heart rate (bpm)
84.5 ± 21.6
86.8 ± 21.8
0.159
Random glucose level (mg/dL)
155 [128–215]
160 [132–212]
0.340
Killip class
I
74% (256)
67.1% (232)
0.169
II
12.1% (42)
14.7% (51)
III
7.5% (26)
11.6% (40)
IV
6.4% (22)
6.6% (23)
Cardiac arrest
6.6% (23)
7.8% (27)
0.557
Comorbid conditions
Diabetes mellitus
39% (135)
43.1% (149)
0.279
Hypertension
58.4% (202)
63% (218)
0.213
Smoking
30.3% (105)
27.5% (95)
0.402
Prior PCI
8.7% (30)
9.5% (33)
0.692
History of CVA/TIA
1.2% (4)
1.4% (5)
0.737
IABP used
5.8% (20)
7.5% (26)
0.360
LV ejection fraction (%)
39.3 ± 8.9
38.9 ± 9.5
0.608
LV end-diastolic pressure (mmHg)
19.4 ± 6.9
20 ± 7.6
0.275
Number of vessels involved
Single vessel disease
36.7% (127)
30.9% (107)
0.189
Two vessel disease
33.8% (117)
34.1% (118)
Three vessel disease
29.5% (102)
35% (121)
Culprit coronary artery
Left main
1.2% (4)
2.6% (9)
0.352
LAD; proximal
33.8% (117)
32.7% (113)
LAD; nonproximal
19.9% (69)
21.1% (73)
Left circumflex artery
9.2% (32)
12.1% (42)
Right coronary artery
35.8% (124)
31.5% (109)
Preprocedure TIMI flow
0
84.1% (291)
85.5% (296)
0.596
I
15.9% (55)
14.5% (50)
II
0% (0)
0% (0)
III
0% (0)
0% (0)
Mean vessel diameter
3.5 ± 0.3
3.4 ± 0.4
0.044
Total stent length
27.8 ± 11.5
29.8 ± 12.2
0.030
Intraprocedure slow flow/no-reflow
30.1% (104)
41.3% (143)
0.002
Final TIMI III flow
84.4% (292)
84.4% (292)
>0.999
In-hospital complications
Stroke
0% (0)
0% (0)
-
Arrhythmia
5.5% (19)
6.9% (24)
0.431
Cardiogenic shock
5.2% (18)
4% (14)
0.469
Stent thrombosis
4% (14)
2% (7)
0.121
Contrast induced nephropathy
9.2% (32)
12.4% (43)
0.179
In-hospital mortality
4.9% (17)
8.1% (28)
0.090
PCI = percutaneous coronary intervention, CVA = cerebrovascular accident, TIA = transient ischemic attack, IABP = intraaortic balloon pump, LV = left ventricular, LAD = left anterior descending artery, and TIMI = thrombolysis in myocardial infarction.
