alexa 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.


Journal of Neurology & Neurophysiology

Author(s): Battison C, Andrews PJ, Graham C, Petty T, Battison C, Andrews PJ, Graham C, Petty T

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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.
This article was published in Crit Care Med and referenced in Journal of Neurology & Neurophysiology

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