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    Risk factors of self-extubation in intensive care. Retrospective cohort study

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    Introducci贸n: La insuficiencia respiratoria aguda contin煤a siendo una de las tres causas principales de ingreso a la unidad de cuidado intensivo (UCI). La auto-extubaci贸n es un desenlace adverso que requiere re-intubaci贸n en un 50% de los casos. Objetivo: Evaluar los determinantes (factores de riesgo) de la auto-extubaci贸n y la mortalidad en UCI mediante el uso de un modelo de ecuaciones de estimaci贸n generalizadas (EEG). M茅todos: Estudio de una cohorte retrospectiva realizada durante el periodo 2017-2020 incluyendo a todos los pacientes ingresados a UCI con ventilaci贸n mec谩nica invasiva. Se realizaron an谩lisis univariado y bivariado. Adicionalmente, se utiliz贸 un modelo EEG para predecir el riesgo de auto-extubaci贸n y mortalidad. Resultados: Se analiz贸 un total de 857 pacientes con un promedio de edad entre 60,5 +/- 17 a帽os, siendo hombres en su mayor铆a (55,2%). Se encontr贸 un riesgo 8,99 veces mayor (IC95% 3,83-21,1, p<0,01) de auto-extubaci贸n en los pacientes con agitaci贸n. La infusi贸n de relajaci贸n muscular increment贸 el riesgo de auto-extubaci贸n en 3,37 veces (IC95% 1,31-8,68, p=0,01). No se encontr贸 asociaci贸n entre inmovilizaci贸n y auto-extubaci贸n (OR 1,38 IC95% 0,76-2,51, p=0,29). Finalmente, una sedaci贸n ligera seg煤n la Escala de Sedaci贸n de Richmond (RASS) entre 0 a -2 en lugar de moderada (RASS-3) redujo el riesgo de mortalidad (OR 0,5 IC95% 0,38-0,83, p<0.01). Conclusiones: Los principales factores asociados a auto-extubaci贸n fueron agitaci贸n, delirium e infusi贸n de relajantes musculares. Se encontr贸 asociaci贸n entre una sedaci贸n ligera y menor riesgo de mortalidad. No se encontr贸 asociaci贸n entre el uso de la restricci贸n f铆sica y el desenlace de inter茅s.Q4Pacientes ingresados a Unidad de Cuidados Intensivos (UCI)Introduction: Acute respiratory failure remains one of the three leading causes of admission to the intensive care unit (ICU). Self-extubation is an adverse outcome requiring reintubation in 50% of cases. Objective: To assess for determinants (risk factors) of self-extubation and mortality in the ICU by using a generalized estimation equation model (GEE). Methods: The data was collected from a retrospective cohort study from 2017-2020 including all patients admitted to the ICU with mechanical ventilation. Univariate and bivariate analyses were performed. Then, a GEE model was conducted to predict the risk of self-extubation and mortality. Results: A total of 857 subjects were included, with a mean age of 60.5 +/- 17 years-old. Most of the subjects were males (55.2%). An 8.99-fold risk (95%CI 3.83-21.1, p<0.01) of self-extubation was identified in patients with agitation. Exposure to infusion of neuromuscular blockade was also found to increase the risk of self-extubation 3.37 times (95%CI 1.31-8.68, p=0.01). No associations were identified between immobilization and self-extubation (OR 1.38 95%CI 0.76-2.51, p=0.29). Finally, light sedation according to the Richmond Sedation Scale (RASS) between 0 to -2 rather than moderate (RASS-3) reduces the risk of mortality (OR 0.57, 95%CI 0.38-0.83, p<0.01). Conclusions: The main factors resulting in self-extubation were: agitation, delirium, and infusion of neuromuscular blocking agents. An association was found between light sedation and a lower risk of mortality. No association was found between the use of physical restraint and the desired outcome.https://orcid.org/0000-0001-6017-3059https://orcid.org/0000-0003-4911-3869https://orcid.org/0000-0001-8913-1354https://orcid.org/0000-0002-0039-0876https://orcid.org/0000-0003-2908-5629Revista Nacional - IndexadaCN
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