A randomized trial comparing primary angioplasty with a strategy of short-acting thrombolysis and immediate planned rescue angioplasty in acute myocardial infarction: the PACT trial
Allan M. Ross, MD, FACC*,
Karin S. Coyne, PhD, RN, MPH*,
Jonathan S. Reiner, MD, FACC*,
Samuel W. Greenhouse, PhD ,
Cynthia Fink, MPH*,
Anthony Frey, MD*,
Eduardo Moreyra, MD, FACC*,
Mouhieddin Traboulsi, MD, FACC ,
Normand Racine, MD ,
Arthur L. Riba, MD, FACC||,
Mark A. Thompson, MD, FACC¶,
Steven Rohrbeck, MD, FACC#,
Conor F. Lundergan, MD* for the PACT Investigators
* Cardiovascular Research Institute of George Washington University, Washington, DC, USA
The Biostatistics Center of George Washington University, Washington, DC, USA
Foothills Hospital, Calgary, Alberta, Canada
Hospital Notre Dame, Montreal, Quebec, Canada
|| Oakwood Hospital, Dearborn, Michigan, USA
¶ Rochester General Hospital, Rochester, New York, USA
# High Point Regional Hospital, High Point, North Carolina, USA

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Figure 1 Schematic of trial design. ASA = aspirin; IV = intravenous; rt-PA = recombinant tissue-type plasminogen activator; TIMI = Thrombolysis in Myocardial Infarction trial.
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Figure 2 Infarct-related artery patency at time of initial coronary angiography. All treatment group comparisons p < 0.001.
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Figure 3 Cumulative frequency distribution of time to TIMI flow grade 3 in patients with (n = 319) and without (n = 141) angioplasty at time of initial angiography. Patients with less than TIMI flow grade 3 (n = 133) are not included in the frequency distributions.
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