Resumen

RODRIGUEZ-CARVAJAL, M. et al. Impact of the premature discharge on hospital mortality after a stay in an intensive care unit. Med. Intensiva [online]. 2011, vol.35, n.3, pp.143-149. ISSN 0210-5691.

Objective: To determine the frequency and to evaluate the relationship between premature discharge and post-ICU hospital mortality. Design: A prospective registry was made for patients admitted during six consecutive years, performing a retrospective analysis of the data on the first admission of ICU survivors. Setting: A 10-bed general ICU in a 540-bed tertiary-care community hospital. Patients: 1,521 patients with an ICU stay longer than 12hours, discharged alive to wards with known hospital outcome. Interventions: None. Main variables: We recorded the patient data, including types of ICU discharge, normal or premature, and studying their relationship with post-ICU hospital mortality. The types of ICU discharge were also evaluated versus ICU readmission rate and post-ICU length of stay. Results: There were 165 patients (10.8%) with premature discharge. Mortality rate was 11.6% (176 patients). The factors related with mortality were withdrawal and limitation of life-sustaining treatments (OR=14.02 [4.6-42.6]), readmissions to ICU (OR=3.46 [1.76-6.78]), premature discharge (OR=2.6 [1.06-4.41]), higher organ failure score on discharge from the ICU (OR=1.16 [1.01-1.32]) and age (OR=1.03 [1.01-1.05]). Readmission rates and post-ICU length of stay were similar among patients with premature and normal discharge (7.3% vs. 8.2%, P=.68 and 16.7±16.7 days vs. 18.7±21.3 days, respectively, P=.162). Conclusions: Premature discharges appear to be common in our setting and have a significant impact on mortality. Types of ICU discharge do not seem to be related with other outcome variables in the hospital care of critically ill patients.

Palabras clave : Intensive care unit; Patient discharge; Withdrawing treatment; In-hospital mortality; Patient readmission; Outcome.

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