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Severity-adjusted resource use and outcomes of an ICU of a tertiary hospital in Sao Paulo, Brazil
Critical Care volume 17, Article number: P15 (2013)
Introduction
Quality management in intensive care currently emphasizes outcome linked to optimization of resources. Intensive care medicine focuses on the most severe patients in the hospital and therefore high resource consumption, making its management a challenge. Of many parameters to estimate utilization of resources, only length of stay (LOS) is systematically collected. Therefore, severity-adjusted resource use (SRU) can be an important tool for estimating resource consumption in an ICU. The objective of this study was to evaluate the resource consumption by SRU in the adult ICU of the Hospital Israelita Albert Einstein, São Paulo, Brazil, in patients admitted during the first half of 2012.
Methods
Retrospective analysis of 1,441 patients admitted during the first half of 2012 to a tertiary hospital in São Paulo, Brazil. Patients were divided into nine categories based on SAPS 3 as shown in Table 1, and then the standardized mortality rate (SMR), the quotient of observed to predicted mortality, was calculated. SRU was calculated for each stratum of SAPS 3 by dividing the LOS in the ICU for all patients by the number of survivors. The ICUs' SAPS 3 database was considered to standardize SRU. The amount of resources used was measured as the number of days per survival. Readmitted patients over 24 hours were excluded.
Results
A total of 1,441 patients were analyzed. The male proportion, age, LOS and SAPS 3 averages were 57.4%, 65 ± 18 years, 3.87 ± 5.95 days and 45.14 ± 15.9, respectively. The main results are shown in Table 2. No patient died of category 2.
Conclusion
According to these data, the analyzed ICU appears to be very efficient for outcomes standardized by SAPS 3 and utilization of resources by SRU. However, confounding factors should be considered: decalibration SAPS 3 for this ICU and the presence of a step-down unit in the hospital.
References
Rothen HU, Stricker K, Einfalt J, et al.: Variability in outcome and resource use in intensive care units. Intensive Care Med 2007, 33: 1329-1336. 10.1007/s00134-007-0690-3
Moreno RP, Metnitz PGH, Almeida E, et al.: SAPS 3 - from evaluation of the patient to evaluation of the intensive care unit. Development of a prognostic model for hospital mortality at ICU admission. Intensive Care Med 2005, 31: 1336-1355. 10.1007/s00134-005-2762-6
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Guadalupe, E., Silva, E., Colombari, F. et al. Severity-adjusted resource use and outcomes of an ICU of a tertiary hospital in Sao Paulo, Brazil. Crit Care 17 (Suppl 3), P15 (2013). https://doi.org/10.1186/cc12631
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DOI: https://doi.org/10.1186/cc12631