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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Alderdice, Fiona Burns, Karen Cardwell, Chris O'halloran, Peter Lavery, Gavin Blackwood, Bronagh |
| Description | Author Affiliation: Blackwood B ( Nursing and Midwifery Research Unit, Queen's University Belfast, Belfast, BT9 5BN, Northern Ireland. b.blackwood@qub.ac.uk); |
| Abstract | Objective To investigate the effects of weaning protocols on the total duration of mechanical ventilation, mortality, adverse events, quality of life, weaning duration, and length of stay in the intensive care unit and hospital. Design Systematic review. Data sources Cochrane Central Register of Controlled Trials, Medline, Embase, CINAHL, LILACS, ISI Web of Science, ISI Conference Proceedings, Cambridge Scientific Abstracts, and reference lists of articles. We did not apply language restrictions. Review methods We included randomised and quasi-randomised controlled trials of weaning from mechanical ventilation with and without protocols in critically ill adults. Data selection Three authors independently assessed trial quality and extracted data. A priori subgroup and sensitivity analyses were performed. We contacted study authors for additional information. Results Eleven trials that included 1971 patients met the inclusion criteria. Compared with usual care, the geometric mean duration of mechanical ventilation in the weaning protocol group was reduced by 25% (95% confidence interval 9% to 39%, P=0.006; 10 trials); the duration of weaning was reduced by 78% (31% to 93%, P=0.009; six trials); and stay in the intensive care unit length by 10% (2% to 19%, P=0.02; eight trials). There was significant heterogeneity among studies for total duration of mechanical ventilation $(I^{2}=76\%,$ P<0.01) and duration of weaning $(I^{2}=97\%,$ P<0.01), which could not be explained by subgroup analyses based on type of unit or type of approach. Conclusion There is evidence of a reduction in the duration of mechanical ventilation, weaning, and stay in the intensive care unit when standardised weaning protocols are used, but there is significant heterogeneity among studies and an insufficient number of studies to investigate the source of this heterogeneity. Some studies suggest that organisational context could influence outcomes, but this could not be evaluated as it was outside the scope of this review. |
| ISSN | 09598138 |
| e-ISSN | 17561833 |
| Journal | BMJ (British Medical Journal) |
| Volume Number | 342 |
| Language | English |
| Publisher | British Medical Journal Publishing Group |
| Publisher Date | 2011-01-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Critical Illness Therapy Ventilator Weaning Clinical Protocols Costs And Cost Analysis Critical Care Statistics & Numerical Data Mortality Hospital Mortality Length Of Stay Randomized Controlled Trials As Topic Risk Factors Selection Bias Time Factors Meta-Analysis Research Support, Non-U.S. Gov't Medicine |
| Content Type | Text |
| Resource Type | Article |
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