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Effects of hypertonic saline (7.5%) on extracellular fluid volumes compared with normal saline (0.9%) and 6% hydroxyethyl starch after aortocoronary bypass graft surgery.
J Cardiothorac Vasc Anesth. 2001 Apr; 15(2):210-5.JC

Abstract

OBJECTIVE

To compare the effects of hypertonic (7.5%) saline (HS), normal (0.9%) saline (NS), and 6% hydroxyethyl starch (HES) on extracellular fluid volumes in the early postoperative period after cardiopulmonary bypass.

DESIGN

A prospective, randomized, double-blind study.

SETTING

University teaching hospital.

PARTICIPANTS

Forty-eight patients scheduled for elective coronary artery bypass graft surgery.

INTERVENTIONS

Patients were randomly allocated to receive 4 mL/kg of HS, NS, or HES during 30 minutes when volume loading was needed during the postoperative rewarming period in the intensive care unit. Plasma volume was measured using a dilution of iodine-125-labeled human serum albumin. Extracellular water and cardiac output were measured by whole-body impedance cardiography.

MEASUREMENTS AND MAIN RESULTS

Plasma volume had increased by 19 +/- 7% in the HS group and by 10 +/- 3% in the NS group (p = 0.001) at the end of the study fluid infusion. After 1-hour follow-up time, the plasma volume increase was greatest (23 +/- 8%) in the group receiving HES (p < 0.001). The increase of extracellular water was greater than the infused volume in the HS and HES groups at the end of the infusion. One-hour diuresis after the study infusion was greater in the HS group (536 +/- 280 mL) than in the NS (267 +/- 154 mL, p = 0.006) and HES groups (311 +/- 238 mL, p = 0.025).

CONCLUSION

The effect of HS on plasma volume was short-lasting, but it stimulated excretion of excess body fluid accumulated during cardiopulmonary bypass and cardiac surgery. HS may be used in situations in which excess free water administration is to be avoided but the intravascular volume needs correction.

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Publisher Full Text

Authors+Show Affiliations

Järvelä K
Department of Anaesthesia, Tampere University Hospital, Tampere, Finland.
Koskinen M
No affiliation info available
Kaukinen S
No affiliation info available
Kööbi T
No affiliation info available

MeSH

AgedAnesthesiaCoronary Artery BypassDouble-Blind MethodExtracellular SpaceFemaleHematocritHemodynamicsHumansHydroxyethyl Starch DerivativesHypertonic SolutionsMaleMiddle AgedPlasma SubstitutesPlasma VolumeSodium Chloride

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

11312481

Citation

Järvelä, K, et al. "Effects of Hypertonic Saline (7.5%) On Extracellular Fluid Volumes Compared With Normal Saline (0.9%) and 6% Hydroxyethyl Starch After Aortocoronary Bypass Graft Surgery." Journal of Cardiothoracic and Vascular Anesthesia, vol. 15, no. 2, 2001, pp. 210-5.
Järvelä K, Koskinen M, Kaukinen S, et al. Effects of hypertonic saline (7.5%) on extracellular fluid volumes compared with normal saline (0.9%) and 6% hydroxyethyl starch after aortocoronary bypass graft surgery. J Cardiothorac Vasc Anesth. 2001;15(2):210-5.
Järvelä, K., Koskinen, M., Kaukinen, S., & Kööbi, T. (2001). Effects of hypertonic saline (7.5%) on extracellular fluid volumes compared with normal saline (0.9%) and 6% hydroxyethyl starch after aortocoronary bypass graft surgery. Journal of Cardiothoracic and Vascular Anesthesia, 15(2), 210-5.
Järvelä K, et al. Effects of Hypertonic Saline (7.5%) On Extracellular Fluid Volumes Compared With Normal Saline (0.9%) and 6% Hydroxyethyl Starch After Aortocoronary Bypass Graft Surgery. J Cardiothorac Vasc Anesth. 2001;15(2):210-5. PubMed PMID: 11312481.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effects of hypertonic saline (7.5%) on extracellular fluid volumes compared with normal saline (0.9%) and 6% hydroxyethyl starch after aortocoronary bypass graft surgery. AU - Järvelä,K, AU - Koskinen,M, AU - Kaukinen,S, AU - Kööbi,T, PY - 2001/4/20/pubmed PY - 2001/7/13/medline PY - 2001/4/20/entrez SP - 210 EP - 5 JF - Journal of cardiothoracic and vascular anesthesia JO - J Cardiothorac Vasc Anesth VL - 15 IS - 2 N2 - OBJECTIVE: To compare the effects of hypertonic (7.5%) saline (HS), normal (0.9%) saline (NS), and 6% hydroxyethyl starch (HES) on extracellular fluid volumes in the early postoperative period after cardiopulmonary bypass. DESIGN: A prospective, randomized, double-blind study. SETTING: University teaching hospital. PARTICIPANTS: Forty-eight patients scheduled for elective coronary artery bypass graft surgery. INTERVENTIONS: Patients were randomly allocated to receive 4 mL/kg of HS, NS, or HES during 30 minutes when volume loading was needed during the postoperative rewarming period in the intensive care unit. Plasma volume was measured using a dilution of iodine-125-labeled human serum albumin. Extracellular water and cardiac output were measured by whole-body impedance cardiography. MEASUREMENTS AND MAIN RESULTS: Plasma volume had increased by 19 +/- 7% in the HS group and by 10 +/- 3% in the NS group (p = 0.001) at the end of the study fluid infusion. After 1-hour follow-up time, the plasma volume increase was greatest (23 +/- 8%) in the group receiving HES (p < 0.001). The increase of extracellular water was greater than the infused volume in the HS and HES groups at the end of the infusion. One-hour diuresis after the study infusion was greater in the HS group (536 +/- 280 mL) than in the NS (267 +/- 154 mL, p = 0.006) and HES groups (311 +/- 238 mL, p = 0.025). CONCLUSION: The effect of HS on plasma volume was short-lasting, but it stimulated excretion of excess body fluid accumulated during cardiopulmonary bypass and cardiac surgery. HS may be used in situations in which excess free water administration is to be avoided but the intravascular volume needs correction. SN - 1053-0770 UR - https://www.unboundmedicine.com/medline/citation/11312481/Effects_of_hypertonic_saline__7_5__on_extracellular_fluid_volumes_compared_with_normal_saline__0_9__and_6_hydroxyethyl_starch_after_aortocoronary_bypass_graft_surgery_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1053-0770(01)56096-6 DB - PRIME DP - Unbound Medicine ER -