mpact of Intravenous Beta-Blockade efore Primary Angioplasty on Survival n Patients Undergoing Mechanical eperfusion Therapy for Acute Myocardial Infarction

mir Halkin, MD,* Cindy L. Grines, MD, FACC,† David A. Cox, MD, FACC,‡ Eulogio Garcia, MD,§ oxana Mehran, MD, FACC,* James E. Tcheng, MD, FACC, John J. Griffin, MD, FACC,¶ iulio Guagliumi, MD,# Bruce Brodie, MD, FACC,** Mark Turco, MD, FACC,†† arry D. Rutherford, MD, FACC,‡‡ Eve Aymong, MD,* Alexandra J. Lansky, MD, FACC,* regg W. Stone, MD, FACC* ew York, New York; Royal Oak, Michigan; Charlotte, Durham, and Greensboro, North Carolina; Madrid, Spain; irginia Beach, Virginia; Bergamo, Italy; Tacoma Park, Maryland; and Kansas City, Missouri