Table 3: Treatment Patterns for ACS Patients with and without Prior CABG

ACS without Prior CABG % ACS with Prior CABG % P
Coronary reperfusion in STEMI patients*
Thrombolytic therapy

59.8

48.7

0.16
Door to needle time (min) 45 [30 - 74] 64 [15 - 100] 0.64
Primary angioplasty 5.7 0 0.12
Door to balloon time (min) 75 [60 - 120] . .
Medications in the First 24 h (%)
Aspirin

97.9

96.5

0.047
Clopidogrel 53.2 56.0 0.25
Beta-blocker 65.3 60.5 0.034
ACE-I/ARB 67.3 75.1 0.0005
Statins 89.1 92.0 0.053
Heparin (unfractionated/LMWH) 92.5 89.9 0.049
Nitrates 80.8 89.3 < 0.0001
Diuretics 24.2 45.5 < 0.0001
Medications at Discharge (%)
Aspirin

94.1

90.4

0.002
Clopidogrel 49.6 50.1 0.58
Beta-blocker 75.5 67.0 < 0.0001
ACE-I/ARB 74.3 77.3 0.16
Statin 80.3 87.2 0.0003
Nitrates 68.5 81.3 < 0.0001
Diuretics 23.4 46.3 < 0.0001
Angiogram (onsite or after transfer) 19.6 15.9 0.045

STEMI: ST segment elevation myocardial infarction, LMWH: low molecular weight heparin, ACE-I/ARB: angiotensin converting enzyme inhibitor/angiotensin receptor blocker.
* Of 3,096 patients with STEMI, 41 had a history of prior CABG.

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