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- Title
Early sedation and clinical outcomes of mechanically ventilated patients: a prospective multicenter cohort study.
- Authors
Tanaka, Lilian Maria Sobreira; Azevedo, Luciano Cesar Pontes; Park, Marcelo; Schettino, Guilherme; Nassar, Antonio Paulo; Réa-Neto, Alvaro; Tannous, Luana; de Souza-Dantas, Vicente Ces; Torelly, André; Lisboa, Thiago; Piras, Claudio; Carvalho, Frederico Bruzzi; de Oliveira Maia, Marcelo; Giannini, Fabio Poianas; Machado, Flavia Ribeiro; Dal-Pizzol, Felipe; de Carvalho, Alexandre Guilherme Ribeiro; Dos Santos, Ronaldo Batista; Tierno, Paulo Fernando Guimaraes Morando Marzocchi; Soares, Marcio
- Abstract
<bold>Introduction: </bold>Sedation overuse is frequent and possibly associated with poor outcomes in the intensive care unit (ICU) patients. However, the association of early oversedation with clinical outcomes has not been thoroughly evaluated. The aim of this study was to assess the association of early sedation strategies with outcomes of critically ill adult patients under mechanical ventilation (MV).<bold>Methods: </bold>A secondary analysis of a multicenter prospective cohort conducted in 45 Brazilian ICUs, including adult patients requiring ventilatory support and sedation in the first 48 hours of ICU admissions, was performed. Sedation depth was evaluated after 48 hours of MV. Multivariate analysis was used to identify variables associated with hospital mortality.<bold>Results: </bold>A total of 322 patients were evaluated. Overall, ICU and hospital mortality rates were 30.4% and 38.8%, respectively. Deep sedation was observed in 113 patients (35.1%). Longer duration of ventilatory support was observed (7 (4 to 10) versus 5 (3 to 9) days, P = 0.041) and more tracheostomies were performed in the deep sedation group (38.9% versus 22%, P = 0.001) despite similar PaO2/FiO2 ratios and acute respiratory distress syndrome (ARDS) severity. In a multivariate analysis, age (Odds Ratio (OR) 1.02; 95% confidence interval (CI) 1.00 to 1.03), Charlson Comorbidity Index >2 (OR 2.06; 95% CI, 1.44 to 2.94), Simplified Acute Physiology Score 3 (SAPS 3) score (OR 1.02; CI 95%, 1.00 to 1.04), severe ARDS (OR 1.44; CI 95%, 1.09 to 1.91) and deep sedation (OR 2.36; CI 95%, 1.31 to 4.25) were independently associated with increased hospital mortality.<bold>Conclusions: </bold>Early deep sedation is associated with adverse outcomes and constitutes an independent predictor of hospital mortality in mechanically ventilated patients.
- Publication
Critical Care, 2014, Vol 18, Issue 3, pR156
- ISSN
1364-8535
- Publication type
journal article
- DOI
10.1186/cc13995