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Cochrane Db Syst Rev · Jan 2004
Review Meta AnalysisHypertonic versus near isotonic crystalloid for fluid resuscitation in critically ill patients.
- F Bunn, I Roberts, R Tasker, and E Akpa.
- Centre for Research in Primary and Community Care (CRIPACC), University of Hertfordshire, College Lane, Hatfield, Hertfordshire, UK, AL10 9AB.
- Cochrane Db Syst Rev. 2004 Jan 1(3):CD002045.
BackgroundHypertonic solutions are considered to have a greater ability to expand blood volume and thus elevate blood pressure and can be administered as a small volume infusion over a short time period. On the other hand, the use of hypertonic solutions for volume replacement may also have important disadvantages.ObjectivesTo determine whether hypertonic crystalloid decreases mortality in patients with hypovolaemia.Search StrategyWe searched MEDLINE, EMBASE, The Cochrane Controlled Trials Register and the specialised register of the Cochrane Injuries Group. We checked reference lists of all articles identified and searched the National Research Register.Selection CriteriaRandomised trials comparing hypertonic to isotonic and near isotonic crystalloid in patients with trauma, burns or undergoing surgery.Data Collection And AnalysisTwo authors independently extracted the data and assessed the quality of the trials.Main ResultsFourteen trials with a total of 956 participants are included in the meta-analysis. The pooled relative risk (RR) for death in trauma patients was 0.84 (95% confidence interval [CI] 0.69-1.04); in patients with burns 1.49 (95% CI 0.56-3.95); and in patients undergoing surgery 0.51 (95% CI 0.09, 2.73). In the one trial that gave data on disability using the Glasgow outcome scale, the relative risk for a poor outcome was 1.00 (95% CI 0.82, 1.22).Reviewers' ConclusionsThis review does not give us enough data to be able to say whether hypertonic crystalloid is better than isotonic and near isotonic crystalloid for the resuscitation of patients with trauma, burns, or those undergoing surgery. However, the confidence intervals are wide and do not exclude clinically significant differences. Further trials which clearly state the type and amount of fluid used and that are large enough to detect a clinically important difference are needed.
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