Sedation protocols to reduce duration of mechanical ventilation in the ICU: a Cochrane Systematic Review

Aitken, L. M., Bucknall, T.K., Kent, B., Mitchell, M., Burmeister, E. & Keogh, S. J. (2016). Sedation protocols to reduce duration of mechanical ventilation in the ICU: a Cochrane Systematic Review. Journal of Advanced Nursing, 72(2), pp. 261-272. doi: 10.1111/jan.12843

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Abstract

Aims: Assess the effects of protocol-directed sedation management on the duration of mechanical ventilation and other relevant patient outcomes in mechanically ventilated intensive care unit patients.

Background: Sedation is a core component of critical care. Sub-optimal sedation management incorporates both under-and over-sedation and has been linked to poorer patient outcomes.

Design: Cochrane systematic review of randomised controlled trials.

Data Sources: Cochrane Central Register of Controlled trials, MEDLINE, EMBASE, CINAHL, Database of Abstracts of Reviews of Effects, LILACS, Current Controlled Trials and US National Institutes of Health Clinical Research Studies (1990 – November 2013), and reference lists of articles were used.

Review Methods: Randomised controlled trials conducted in intensive care units comparing management with and without protocol-directed sedation were included. Two authors screened titles, abstracts and full-text reports. Potential risk of bias was assessed. Clinical, methodological and statistical heterogeneity were examined and the random-effects model used for meta-analysis where appropriate. Mean difference for duration of mechanical ventilation and risk ratio for mortality, with 95% confidence intervals, were calculated.

Results: Two eligible studies with 633 participants comparing protocol-directed sedation delivered by nurses versus usual care were identified. There was no evidence of differences in duration of mechanical ventilation or hospital mortality. There was significant heterogeneity between studies for duration of mechanical ventilation.

Conclusions: There is insufficient evidence to evaluate the effectiveness of protocol-directed sedation as results from the two randomised controlled trials were conflicting.

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Aitken, L. M., Bucknall, T.K., Kent, B., Mitchell, M., Burmeister, E. & Keogh, S. J. Sedation protocols to reduce duration of mechanical ventilation in the ICU: a Cochrane Systematic Review. Journal of Advanced Nursing,, which is published in final form at http://dx.doi.org/10.1111/jan.12843. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
Uncontrolled Keywords: critical care;evidence-based practice;sedation;systematic reviews and meta-analyses
Subjects: R Medicine > RC Internal medicine
Divisions: School of Health Sciences > Department of Adult Nursing
URI: http://openaccess.city.ac.uk/id/eprint/12483

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