Research Article

Clinic Predictive Factors for Insufficient Myocardial Reperfusion in ST-Segment Elevation Myocardial Infarction Patients Treated with Selective Aspiration Thrombectomy during Primary Percutaneous Coronary Intervention

Table 2

Percutaneous intervention findings of patients with insufficient reperfusion and sufficient reperfusion.

ParametersGroup I ()Group II () value

Time from symptom to PCI (hour)
Time from symptom to PCI (≧4.8 hours)26 (83.9)70 (40.9)
Initial TIMI flow grade, (%)0.107
 0-128 (90.3)166 (97.1)
 ≥23 (9.7)5 (2.9)
Multiple stents, (%)0.746
 Yes8 (25.8)49 (28.7)
 No23 (74.2)122 (71.3)
Multivessel disease, (%)
 Yes13 (41.9)41 (24.0)
 No18 (58.1)130 (76.0)
IRA, (%)0.183
 LAD10 (32.3)71 (41.5)
 LCX6 (19.4)15 (8.8)
 RCA15 (48.4)85 (49.7)
Infarct location, (%)0.363
 Anterior wall10 (32.3)70 (40.9)
 Nonanterior wall21 (67.7)101 (59.1)
Initial degree of luminal stenosis (%)0.288
Initial cTFC0.420
Initial cTFC > 40, (%)27 (87.1)160 (94.1)0.239
Degree of postaspiration luminal stenosis (%)0.448
Postaspiration TIMI 0, (%)5 (16.1)5 (2.9)
Postaspiration cTFC
Postaspiration cTFC > 40, (%)21 (67.7)29 (17.0)
GP IIb/IIIa inhibitor upfront used
 Intracoronary GPII b/IIIa inhibitor, (%)2 (6.5)15 (8.8)1.000
 Intravenous GP IIb/IIIa inhibitor, (%)4 (12.9)25 (14.6)1.000

, ; IRA, infarct-related artery; LAD, left anterior descending; LCX, left circumflex artery; RCA, right coronary artery.