Mortality Down for AMI Patients Developing Cardiogenic Shock

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Mortality Down for AMI Patients Developing Cardiogenic Shock
Mortality Down for AMI Patients Developing Cardiogenic Shock

WEDNESDAY, Feb. 17, 2016 (HealthDay News) -- For patients who develop cardiogenic shock during hospitalization for acute myocardial infarction, the rates of death seem to have declined in recent years, according to research published online Feb. 16 in Circulation: Cardiovascular Quality and Outcomes.

Robert J. Goldberg, Ph.D., from the University of Massachusetts Medical School in Worchester, and colleagues report on decade-long trends in the incidence and hospital case-fatality rates for patients who develop cardiogenic shock during hospitalization for acute myocardial infarction. Data were included for 5,686 residents of central Massachusetts hospitalized with acute myocardial infarction at 11 medical centers during six biennial periods between 2001 and 2011.

The researchers found that 3.7 percent of patients developed cardiogenic shock during their acute hospitalization; over time there were nonsignificant and inconsistent trends noted in crude (3.7 percent in 2011/2003, 4.5 percent in 2005/2007, and 2.7 percent in 2009/2011; P = 0.19) and multivariable-adjusted analyses. For patients who developed cardiogenic shock, the overall in-hospital case-fatality rate was 41.4 percent. During the most recent study years, the crude and multivariable-adjusted odds of dying after cardiogenic shock decreased (47.1 percent in 2001/2003, 42.0 percent in 2005/2007, and 28.6 percent in 2009/2011). The increasing trend in survival was paralleled by increases in use of evidence-based cardiac medications and interventional procedures.

"We found suggestions of a decline in the death, but not incidence, rates of cardiogenic shock over time," the authors write. "These encouraging trends in hospital survival are likely because of advances in the early recognition and aggressive management of patients who develop cardiogenic shock."

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