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Comparison of the plasma volume-expanding effects of 6% dextran 70, 5% albumin, and 6% HES 130/0.4 after hemorrhage in the guinea pig.

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Summary, in English

BACKGROUND: We still lack comparing data of the plasma volume (PV)-expanding effect of the most commonly used colloids including dextran 70. This study compares the PV-expanding effects of 6% dextran 70, 5% albumin, and 6% hydroxyethylstarch (HES) 130/0.4 after a standardized hemorrhage. METHODS: The prospective and randomized study on 33 anesthetized adult male guinea pigs involved three groups (n = 11 each); the dextran group, the albumin group, and the HES group. The left carotis artery was cannulated for blood pressure measurements and blood samples, and the right jugular vein was cannulated for infusions. After hemorrhage of 20 mL/kg for 8 minutes, the animals were transfused with 20 mL/kg of the colloid for 10 minutes. PV was determined with a I-albumin tracer dilution technique at baseline and 3 hours after the colloid infusion. The PV just after hemorrhage was calculated as the baseline value minus bled PV. Blood gases were measured at baseline, after hemorrhage, just after the colloid infusion and at the end of the experiment. RESULTS: The increase in PV 3 hours after the colloid infusion, including the 20 mL infused, was 36.3 mL/kg +/- 2.3 mL/kg in the dextran group, 26.4 mL/kg +/- 4.7 mL/kg in the albumin group, and 17.6 mL/kg +/- 3.5 mL/kg in the HES group. At the end of the experiment, hematocrit was lower in the dextran group than in the albumin and the HES groups. Urine production was higher in the HES group than in the dextran and the albumin groups. CONCLUSION: After hemorrhage, the PV-expanding capacity of 6% dextran 70 was better than that of 5% albumin, which was in turn better than that of HES 130/0.4 given in equal volumes.

Publishing year

2009

Language

English

Pages

1200-1204

Publication/Series

The Journal of trauma

Volume

67

Issue

6

Document type

Journal article

Publisher

Lippincott Williams & Wilkins

Topic

  • Anesthesiology and Intensive Care

Status

Published

ISBN/ISSN/Other

  • ISSN: 1529-8809