SUMMARY
Researchers at the University of California, Davis, have developed a novel approach of identifying sepsis by employing custom machine learning models within a combination of known laboratory data.
BACKGROUND
Current methods for detecting sepsis in patients rely on physician gestalt (which may be flawed), non-specific systemic inflammatory response syndrome (SIRS) criteria, and biomarkers. For example, the SIRS criteria may be met if a patient exhibits fever, has a rapid respiratory rate, has a high heart rate, and/or has abnormally high or low white blood cell counts. As a result, a healthy person can manifest SIRS just by exercising. Sepsis is defined as SIRS with a suspected or identified source of infection. Unfortunately, infection is difficult to detect in a timely fashion using existing microbiological techniques, often taking 24-48 hours to provide definitive results. As a result, sepsis recognition may be delayed, contributing to its increased mortality – reported to be as high as 50% in some instances. Due to these limitations, sepsis recognition is delayed and contributing to increased mortality which has been reported to be as high as 50%. Using customized AI/ML techniques, UC Davis researchers have developed a robust system for differentiating between sepsis and non-sepsis conditions using a combination of known laboratory and vital signs data such as heart rate, body temperature, blood pressure and additional parameters such as the Glasgow Coma Score (GCS) and Multiple Organ Dysfunction Score (MODS).
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