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BUSM/BMC study shows decrease in sepsis mortality rates
Date:11/13/2013

(Boston) A recent study from Boston University School of Medicine (BUSM) and Boston Medical Center (BMC) shows a significant decrease in severe sepsis mortality rates over the past 20 years. Looking at data from patients with severe sepsis enrolled in clinical trials, researchers found that in-hospital mortality rates decreased from 47 percent between 1991 and 1995 to 29 percent between 2006 and 2009, a time period when no new pharmacological treatments were developed for severe sepsis. The results suggest that substantial improvements in patient outcomes can be accomplished by improving processes of care and working with existing treatments in a novel way.

The study, which is published online in Critical Care Medicine, was led by senior author Allan J. Walkey, MD, MSc, assistant professor of medicine, BUSM, and attending physician, pulmonary, critical care and allergy medicine, BMC.

Severe sepsis, which affects approximately one million Americans each year, occurs when a local infection causes other organs in the body to fail. For example, a patient with severe sepsis could have an infection that starts as pneumonia, but a counterproductive immune response results in damage to distant organs, such as new onset kidney failure, altered mental status and/or dangerously low blood pressure (shock). It can be imminently life threatening - approximately one out of three patients die from severe sepsis during their hospitalization.

Because prior studies suggesting a decrease in severe sepsis mortality rates used only billing codes from administrative data, it was thought that billing code changes may be responsible for the mortality decline. To avoid administrative data issues and determine trends in patients prospectively identified as having severe sepsis, this study looked at data from patients with severe sepsis enrolled in 36 multicenter clinical trials from 1991-2009.

The results showed that despite no change over
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Contact: Jenny Eriksen
jenny.eriksen@bmc.org
617-638-6841
Boston University Medical Center
Source:Eurekalert

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