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Crit Care Med. 2005 Jan;33(1):196-202; discussion 257-8.

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.

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  • 1Intensive Care Unit, Western General Hospital, Edinburgh, UK.

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.

Comment in

  • Sugar or salt? [Crit Care Med. 2005]
PMID:
15644669
[PubMed - indexed for MEDLINE]
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