• Mahad A Minhas, Adrian G Velasquez, Anubhav Kaul, Pedro D Salinas, and Leo A Celi.
• The Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine at Dartmouth, Lebanon, NH. Electronic address: mahadminhas@gmail.com.
• Mayo Clin. Proc. 2015 May 1; 90 (5): 613-23.

ObjectiveTo assess the effects of protocolized sedation (algorithm or daily interruption) compared with usual care without protocolized sedation on clinical outcomes in mechanically ventilated adult intensive care unit (ICU) patients via a systematic review and meta-analysis of randomized controlled trials (RCTs).MethodsWe searched Ovid MEDLINE, EMBASE, Cochrane CENTRAL, Web of Science, and ClinicalTrials.gov from their inception to February 28, 2013. A random-effects model was used to synthesize risk ratios (RRs) and weighted mean differences (WMDs).ResultsOf 4782 records screened, 6 RCTs including 1243 patients met the inclusion criteria. Protocolized sedation was associated with significant reductions in overall mortality (RR, 0.85; 95% CI, 0.74 to 0.97; P=.02; number needed to treat, 20; P=.11), ICU length of stay (WMD, -1.73 days; 95% CI, -3.32 to -0.14 days; P=.03), hospital length of stay (WMD, -3.55 days; 95% CI, -5.98 to -1.12 days; P=.004), and tracheostomy (RR, 0.69; 95% CI, 0.50 to 0.96; P=.03; number needed to treat, 16.6; P=.04; 5 RCTs) compared with usual care. Protocolized sedation produced no significant differences in duration of mechanical ventilation (WMD, -1.04 days; 95% CI, -2.54 to 0.47 days; P=.18), reintubation (RR, 0.78; 95% CI, 0.52 to 1.15; P=.21; 3 RCTs), and self-extubation (RR, 1.49; 95% CI, 0.46 to 4.82; P=.51; 4 RCTs) compared with usual care. Included studies did not report delirium incidence.ConclusionIn mechanically ventilated adults in closed, nonspecialty ICUs, protocolized sedation seems to decrease overall mortality (15%), ICU and hospital lengths of stay (1.73 and 3.55 days, respectively), and tracheostomy (31%) compared with usual care without protocolized sedation.Copyright © 2015 Mayo Foundation for Medical Education and Research. Published by Elsevier Inc. All rights reserved.

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