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  • Title: Methylprednisolone as an intervention following myocardial infarction. The Solu-Medrol Sterile Powder AMI Studies Group.
    Journal: J Int Med Res; 1986; 14 Suppl 1():1-10. PubMed ID: 2875003.
    Abstract:
    Results of early studies support the concept that steroid treatment may reduce mortality from acute myocardial infarction. This double-blind, randomized, 1118-patient study was performed to determine if methylprednisolone sodium succinate (MPSS, Solu-Medrol Sterile Powder, The Upjohn Company) reduced 28-day mortality following myocardial infarction complicated by cardiac failure. Treatment with 30 mg/kg intravenous MPSS (maximum dose, 3 g) resulted in 28-day mortality rates of 11.7% with MPSS and 9.9% with placebo when treatment was initiated within six hours of the onset of chest pain (Group 1). Mortality rates at 28 days were 10.4% with MPSS and 14.7% with placebo when the treatment was initiated 6-12 hours after onset of chest pain (Group 2). In the late-treatment group, six-month mortality rates were 13.7% with MPSS and 20.3% with placebo (p = 0.08). Analysis of data by life table methods showed similar survival rates between MPSS- and placebo-treated patients in Group 1. In Group 2, survival rates were increased in MPSS-treated patients in the intervals from 48 hours through seven days (p = 0.04) and from three months through six months (p = 0.03). A Cox regression analysis showed that the relative risk of death for Group 1 patients was similar, regardless of treatment; Group 2 patients on MPSS had a significantly decreased relative risk of death (p less than 0.01). MPSS treatment was not associated with increased incidence of myocardial rupture, cardiac aneurysm, early malignant ventricular arrhythmias, or other adverse cardiac events.
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