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Endocrine profiles for outcome prediction from the intensive care unit
M J Jarek1, E J Legare, M T McDermott
1Department of Medicine, Fitzsimons Army Medical Center, Aurora, CO.
Critical Care Medicine
|April 1, 1993
Summary
Basal serum cortisol and triiodothyronine levels measured within 48 hours of intensive care unit (ICU) admission better predict patient outcomes than the APACHE II score. These endocrine markers offer improved prognostic insights for critical care patients.
Area of Science:
- Critical Care Medicine
- Endocrinology
- Clinical Diagnostics
Background:
- Patient outcomes in intensive care units (ICUs) are complex to predict.
- Endocrine function plays a crucial role in critical illness.
- Existing scoring systems like APACHE II have limitations in prognostic accuracy.
Purpose of the Study:
- To assess the predictive value of specific endocrine tests for patient outcomes in the ICU.
- To compare the discriminating ability of endocrine markers against the APACHE II score.
Main Methods:
- Prospective cohort study involving 61 ICU patients and 20 controls.
- Endocrine hormone levels (e.g., cortisol, triiodothyronine) and APACHE II scores were measured on days 1 and 2 of ICU admission.
- Variables were compared between survivors and non-survivors.
Main Results:
- Basal serum cortisol and triiodothyronine on day 2 were the strongest predictors of outcome (81% and 74% accuracy, respectively).
- The APACHE II score had a predictive accuracy of 70%.
- No combination of variables outperformed day 2 basal cortisol for outcome discrimination.
Conclusions:
- Serum cortisol and triiodothyronine levels within 48 hours of ICU admission are superior prognostic markers compared to the APACHE II score.
- These endocrine measurements provide valuable insights for predicting patient survival in critical care settings.