Journal
MEDICAL JOURNAL OF AUSTRALIA
Volume 173, Issue 5, Pages 236-240Publisher
WILEY
DOI: 10.5694/j.1326-5377.2000.tb125627.x
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Objectives: To evaluate the effectiveness of a medical emergency team (MET) in reducing the rates of selected adverse events. Design: Cohort comparison study after casemix adjustment. Patients and setting: All adult (greater than or equal to 14 years) patients admitted to three Australian public hospitals from 8 July to 31 December 1996. Intervention studied: At Hospital 1, a medical emergency team (MET) could be called for abnormal physiological parameters or staff concern. Hospitals 2 and 3 had conventional cardiac arrest teams. Main outcome measures: Casemix-adjusted rates of cardiac arrest, unanticipated admission to intensive care unit (ICU), death, and the subgroup of deaths where there was no pre-existing do not resuscitate (DNR) order documented. Results: There were 1510 adverse events identified among 50 942 admissions. The rate of unanticipated ICU admissions was less at the intervention hospital in total (casemix-adjusted odds ratios: Hospital 1, 1.00; Hospital 2, 1.59 [95% CI, 1.24-2.04] Hospital 3, 1.73 [95% CI, 1.37-2.16]). There was no significant difference rn the Fates of cardiac arrest or total deaths between the three hospitals. However, one of the hospitals with a conventional cardiac arrest team had a higher death rate among patients without a DNR order. Conclusions: The MET hospital had fewer unanticipated ICU/HDU admissions, with no increase in in-hospital arrest rate or total death rate. The non-DNR deaths were Tower compared with one of the other hospitals; however, we did not adjust for DNR practices. We suggest that the MET concept is worthy of further study.
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