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- Ana García-Martínez, Miriam Carbó, Victoria Aniyar, Albert Antolín, Òscar Miró, and Elisenda Gómez-Angelats.
- Área de Urgencias, Hospital Clínic, Universitat de Barcelona, Barcelona, España.
- Emergencias. 2021 Oct 1; 33 (5): 361-367.
ObjectivesTo determine whether undertriage affects the outcome for patients requiring direct admission to the intensive care unit (ICU) from the emergency department due to a medical condition. To identify factors associated with undertriage.Material And MethodsRetrospective review of patients treated in 2018 for medical emergencies requiring direct admission to the ICU from the emergency department. The cases were classified in 2 groups according to the assigned triage level. Underestimation was defined as a triage level of III or more. Independent variables were demographic and epidemiologic data and indicators of severity recorded in the emergency department. The main outcome was 30-day mortality. Secondary outcomes were in-hospital mortality, prolonged ICU stay, and prolonged hospital stay.ResultsWe included 470 patients with a median age of 68 years (first-third quartile range, 57-78 years); 61.1% were men, and 151 (32.1%) were undertriaged. Factors directly related to undertriage according to odds ratios (ORs) were age (OR = 1.017; 95% CI, 1.003-1.032), Quick Sequential Organ Failure Assessment score of 0 or 1 (OR = 1.761; 95% CI, 1.038-2.988), ratio of oxygen saturation to fraction of inspired oxygen greater than 300 (OR = 2.447; 95% CI, 1.418-4.223), a diagnosis of infection (OR = 5.003, 95% CI 2.727-9.188) whether respiratory (OR = 3.993, 95% CI 1.919-8.310) or other (OR = 1.980, 95% CI, 1.036-3.785) versus a diagnosis of cardiovascular disease. Factors inversely related to undertriage were admission during the afternoon (OR = 0.512, 95% CI, 0.306-0.856) and ambulance transfer (OR = 0.373; 95% CI, 0.232-0.600). Ninety patients (19.1%) died within 30 days. Undertriage was not related to 30-day mortality or the other outcomes analyzed.ConclusionUndertriage was not associated with a worse outcome in patients requiring direct admission to the ICU for a medical emergency. The factors we found to be associated with undertriage, such as patient age and time of day admitted, merit special attention given that these factors should not be affecting the triage process.
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