Natasha Laurens1, Trudy Dwyer. 1. Mackay Base Hospital, PO Box 5580, Mackay MC, QLD 4741, Australia. natasha.laurens@uqconnect.edu.au
Abstract
CONTEXT: In-hospital cardiac arrests are commonly associated with poor outcomes and preceded by observable signs of clinical deterioration. Medical emergency teams (METs) have emerged to provide early specialist care intervention to critically ill patients. OBJECTIVE: To determine the effect of MET implementation on hospital-wide mortality rates, cardiopulmonary arrests and admissions to the intensive care unit (ICU) in a regional Queensland hospital. METHOD: A prospective cohort before and after interventional trial was conducted on adult and paediatric inpatients admitted in 2004-2008 at a 150 bed regional teaching hospital in Australia. MET was introduced in 2006 and attended clinically unstable patients. Response was activated by the bedside nurse or doctor according to predefined criteria. RESULTS: There were a total of 296 MET activations. After MET implementation, mean hospital-wide mortality rates decreased from 9.9 to 7.5 per 1000 admissions (relative risk reduction, RRR: 24.2%; p = 0.003). Similarly, ICU admissions decreased from 22.4 to 17.6 per 1000 admissions (RRR: 21.4%; p < 0.0001). There was also a significant decline in hospital-wide cardiopulmonary arrests post intervention (77 versus 42, RRR: 45.5%; p = 0.0025) however this may be explained by the increase in the number of patients deemed not for resuscitation by the MET. Secondary analysis revealed evidence of MET underuse that may have affected the mortality findings. CONCLUSION: Implementation of the MET in a regional hospital was associated with statistically significant reductions in hospital-wide mortality rates, ICU admissions and cardiopulmonary arrests.
CONTEXT: In-hospital cardiac arrests are commonly associated with poor outcomes and preceded by observable signs of clinical deterioration. Medical emergency teams (METs) have emerged to provide early specialist care intervention to critically illpatients. OBJECTIVE: To determine the effect of MET implementation on hospital-wide mortality rates, cardiopulmonary arrests and admissions to the intensive care unit (ICU) in a regional Queensland hospital. METHOD: A prospective cohort before and after interventional trial was conducted on adult and paediatric inpatients admitted in 2004-2008 at a 150 bed regional teaching hospital in Australia. MET was introduced in 2006 and attended clinically unstable patients. Response was activated by the bedside nurse or doctor according to predefined criteria. RESULTS: There were a total of 296 MET activations. After MET implementation, mean hospital-wide mortality rates decreased from 9.9 to 7.5 per 1000 admissions (relative risk reduction, RRR: 24.2%; p = 0.003). Similarly, ICU admissions decreased from 22.4 to 17.6 per 1000 admissions (RRR: 21.4%; p < 0.0001). There was also a significant decline in hospital-wide cardiopulmonary arrests post intervention (77 versus 42, RRR: 45.5%; p = 0.0025) however this may be explained by the increase in the number of patients deemed not for resuscitation by the MET. Secondary analysis revealed evidence of MET underuse that may have affected the mortality findings. CONCLUSION: Implementation of the MET in a regional hospital was associated with statistically significant reductions in hospital-wide mortality rates, ICU admissions and cardiopulmonary arrests.
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