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Plasma Volume Expansion by 0.9% NaCl During sepsis/SIRS, After Hemorrhage, and During a Normal State.

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Author

Summary, in English

OBJECTIVE: To determine the degree of plasma volume expansion by 0.9% NaCl in relation to the infused volume, in sepsis/SIRS (systemic inflammatory response syndrome), after a standardized hemorrhage, and in a normal condition. DESIGN: Prospective, randomized animal study. SETTING: University hospital laboratory. SUBJECTS: Thirty anesthetized adult male rats. INTERVENTIONS: The study was performed in 3 groups: a sepsis/SIRS group (the S group), in which sepsis/SIRS was induced by cecal ligation and incision, a hemorrhage group (the H group), in which the rats were left without intervention for 4 hrs, and bled 8 mL/kg thereafter. The study also included a group that was left without intervention (the N group). Then, 4 hrs after baseline, all 3 groups were given an infusion of 0.9% NaCl (32 mL/kg) for 15 mins. Baseline was defined as the time point when the surgical preparation was finished. MEASUREMENTS AND MAIN RESULTS: Plasma volumes were measured using I-albumin dilution technique at baseline, after 4 hrs, and 20 mins after the end of infusion. The plasma volume-expanding effect 20 mins after end of infusion was 0.6 ± 2.9% in the S group, 20 ± 6.4% in the H group and 12 ± 11% in the N group, compared to just before start of infusion. CONCLUSIONS: The present study in rats showed that the plasma volume-expanding effect after an infusion of 0.9% NaCl was smaller in a septic/SIRS state than after hemorrhage and in a normal state. This indicates that the plasma volume expanding effect of a crystalloid in sepsis/SIRS is dependent on pathophysiological changes.

Publishing year

2013

Language

English

Pages

59-64

Publication/Series

Shock

Volume

40

Issue

1

Document type

Journal article

Publisher

Lippincott Williams & Wilkins

Topic

  • Urology and Nephrology
  • Anesthesiology and Intensive Care

Status

Published

ISBN/ISSN/Other

  • ISSN: 1540-0514