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  • Title: Randomized, controlled trial on the effect of a 20% mannitol solution and a 7.5% saline/6% dextran solution on increased intracranial pressure after brain injury.
    Author: Battison C, Andrews PJ, Graham C, Petty T.
    Journal: Crit Care Med; 2005 Jan; 33(1):196-202; discussion 257-8. PubMed ID: 15644669.
    Abstract:
    OBJECTIVE: The aim of this pilot study was to compare the effects of equimolar doses of hypertonic saline and dextran solution (HSD, Rescueflow) with 20% mannitol solution for reduction of increased intracranial pressure. DESIGN: Prospective, randomized, controlled, crossover trial in the intensive care unit of a large teaching hospital. SETTING: Academic hospital and tertiary referral center for neuroscience. PATIENTS: Nine patients with an intracranial pressure of >20 mm Hg were recruited and received two treatments of each, HSD and 20% mannitol, in a randomized order. INTERVENTION: Equimolar, rapid intravenous infusions of either 200 mL of 20% mannitol or 100 mL of 7.5% saline and 6% dextran-70 solution (HSD) over 5 mins. MEASUREMENTS: Intracranial pressure, blood pressure, serum and urine sodium and osmolality, and urine output. MAIN RESULTS: Treatments reduced intracranial pressure with both mannitol (median decrease, 7.5 mm Hg, 95% confidence interval, 5.8-11.8) and HSD (median decrease, 13 mm Hg; 95% confidence interval, 11.5-17.3). HSD caused a significantly greater decrease in intracranial pressure than mannitol (p = .044). HSD had a longer duration of effect than mannitol (p = .044). CONCLUSION: When given in an equimolar, rapid, intravenous infusion, HSD reduces intracranial pressure more effectively than mannitol.
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