• Medicine · May 2015

    Review Meta Analysis Comparative Study

    Comparison of equimolar doses of mannitol and hypertonic saline for the treatment of elevated intracranial pressure after traumatic brain injury: a systematic review and meta-analysis.

    • Min Li, Tao Chen, Shu-da Chen, Jing Cai, and Ying-Hong Hu.
    • From the Neurointensive Care Unit, 2nd Affiliated Hospital of Medical School, Zhejiang University, Hangzhou, China.
    • Medicine (Baltimore). 2015 May 1;94(17):e736.

    AbstractThe purpose of this meta-analysis was to compare the effectiveness of mannitol and hypertonic saline for reducing intracranial pressure (ICP) after traumatic brain injury (TBI).PubMed, Cochrane, Embase, and ISI Web of Knowledge databases were searched until July 3, 2014 using the terms intracranial hypertension, mannitol, and hypertonic saline. Randomized controlled trials and 2-arm prospective studies in which elevated ICP was present after TBI treated with mannitol or hypertonic saline were included. The primary outcome was the change of ICP from baseline to termination of the infusion, while the secondary outcomes were change from baseline to 30, 60, and 120 minutes after terminating the infusion and change of osmolarity from baseline to termination.A total 7 studies with 169 patients were included. The mean age of patients receiving mannitol ranged from 30.8 to 47 years, and for patients receiving hypertonic saline ranged from 35 to 47 years. A pooled difference in means = -1.69 (95% confidence interval [CI]: -2.95 to -0.44, P = 0.008) indicated that hypertonic saline reduced ICP more effectively than mannitol when compared from the baseline value to the last measurement after treatment. At 30 minutes after intervention, there was no difference in the mean ICP change between the groups, whereas at 60 minutes after intervention (pooled difference in means = -2.58, 95% CI: -4.37 to -0.80, P = .005) and 120 min after intervention (pooled difference in means = -4.04, 95% CI: -6.75 to -1.32, P = .004) hypertonic saline resulted in a significantly greater decrease in ICP. The pooled difference in means = 1.84 (95% CI: -1.64 to 5.31, P = .301) indicated no difference in serum osmolarity between patients treated with hypertonic saline or mannitol.Hypertonic saline is more effective than mannitol for reducing ICP in cases of TBI.

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