Efficacy of a Rapid Response Team on Reducing the Incidence and Mortality of Unexpected Cardiac Arrests

Background: Rapid Response Teams (RRTs) assess patients during early phases of deterioration to reduce patient morbidity and mortality. Objectives: This study aimed to evaluate the ability of earlier medical intervention by a RRT prompted by clinical instability in patients to reduce the incidence of and mortality from unexpected cardiac arrest at our hospital. Patients and Methods: A nonrandomized, population-based study before ۲۰۰۸ and after ۲۰۱۰ introduction of the Rapid Response Teams in a ۳۰۰ bed private hospital. All patients were admitted to the hospital in ۲۰۰۸ (n = ۲۵۳۴۸) and ۲۰۱۰ (n = ۲۸۰۲۴). RRT (One doctor, one senior intensive care nurse and one staff nurse) attended to clinically unstable patients immediately with resuscitation drugs, fluid, and equipment. Response was activated by the bedside nurse or doctor according to predefined criteria. Main outcome measures were incidence and outcome of unexpected cardiac arrest. Results: The incidence of unexpected cardiac arrest was ۱۷ per ۱۰۰۰ hospital admissions (۴۳۱ cases) in ۲۰۰۸ (before RRT intervention) and ۱۲.۴۵ per ۱۰۰۰ admissions (۳۴۹ cases) in ۲۰۱۰ (after intervention), with mortality being ۷۳.۲۳% (۲۷۴ patients) and ۶۶.۱۵% (۲۳۱ patients) respectively. After adjustment for case mix the intervention was associated with a ۱۹% reduction in the incidence of unexpected cardiac arrest (odds ratio ۰.۸۱, ۹۵% confidence interval ۰.۶۵-۰.۹۸). Conclusions: The RRT was able to detect preventable adverse events and reduce the mortality and incidence of unexpected cardiac arrests.