VIEW SELECTED LIBRARY MEDIA
Name of Media:
The APACHE III Prognostic System: Risk Prediction of Hospital Mortality for Critically III Hospitalized Adults
KNAUS, W. A., WAGNER, D. P., DRAPER, E. A., ZIMMERMAN, J. E., BERGNER, M., BASTOS, P. G., SIRIO, C. A., MURPHY, D. J., LOTRING, T., DAMIANO, A. AND HARRELL, F. E.
Publisher or Source:
Type of Media:
Media Originally for:
Nurses and/or Other Critical Care Medical Professionals
Country of Origin:
Primary Focus of Media:
Post Intensive Care Syndrome (PICS)
The objective of this study was to refine the APACHE (Acute Physiology, Age, Chronic Health Evaluation) methodology in order to more accurately predict hospital mortality risk for critically ill hospitalized adults. We prospectively collected data on 17,440 unselected adult medical/surgical intensive care unit (ICU) admissions at 40 US hospitals (14 volunteer tertiary-care institutions and 26 hospitals randomly chosen to represent intensive care services nationwide). We analyzed the relationship between the patient's likelihood of surviving to hospital discharge and the following predictive variables: major medical and surgical disease categories, acute physiologic abnormalities, age, preexisting functional limitations, major comorbidities, and treatment location immediately prior to ICU admission. The APACHE III prognostic system consists of two options: (1) an APACHE III score, which can provide initial risk stratification for severely ill hospitalized patients within independently defined patient groups; and (2) an APACHE III predictive equation, which uses APACHE III score and reference data on major disease categories and treatment location immediately prior to ICU admission to provide risk estimates for hospital mortality for individual ICU patients. A five-point increase in APACHE III score (range, 0 to 299) is independently associated with a statistically significant increase in the relative risk of hospital death (odds ratio, 1.10 to 1.78) within each of 78 major medical and surgical disease categories. The overall predictive accuracy of the first-day APACHE III equation was such that, within 24 h of ICU admission, 95 percent of ICU admissions could be given a risk estimate for hospital death that was within 3 percent of that actually observed (r2 = 0.41; receiver operating characteristic = 0.90). Recording changes in the APACHE III score on each subsequent day of ICU therapy provided daily updates in these risk estimates. When applied across the individual ICUs, the first-day APACHE III equation accounted for the majority of variation in observed death rates (r2 = 0.90, p<0.0001).
To view the attached Video media file, Click Icon:
PostICU, Inc's library staff reviewed this copyrighted material contained in the library and reasonably believes that its inclusion in our library complies with the "Fair Use Doctrine" because: (1) our library's is for nonprofit and educational purposes; (2) the nature of the copyrighted work is related to our mission; (3) the amount and substantiality of the portion used in relation to the copyrighted work as a whole is fair and reasonable; and (4) the potential market for or value of the copyrighted work will if impacted, should be enhanced, by its presence in our library.