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Comparative Evaluation of Crystalloid Resuscitation Rate in a Human Model of Compensated Haemorrhagic Shock
University of Melbourne, Australia.
University of Melbourne, Australia.
Melbourne Brain Centre, Australia.
University of Melbourne, Australia.
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2016 (English)In: Shock, ISSN 1073-2322, E-ISSN 1540-0514, Vol. 46, no 2, 149-157 p.Article in journal (Refereed) Published
Abstract [en]

Introduction:The most effective rate of fluid resuscitation in haemorrhagic shock is unknown.Methods:We performed a randomized crossover pilot study in a healthy volunteer model of compensated haemorrhagic shock. Following venesection of 15mL/kg of blood, participants were randomized to 20mL/kg of crystalloid over 10 min (FAST treatment) or 30 min (SLOW treatment). The primary end point was oxygen delivery (DO2). Secondary end points included pressure and flow-based haemodynamic variables, blood volume expansion, and clinical biochemistry.Results:Nine normotensive healthy adult volunteers participated. No significant differences were observed in DO2 and biochemical variables between the SLOW and FAST groups. Blood volume was reduced by 16% following venesection, with a corresponding 5% reduction in cardiac index (CI) (Pamp;lt;0.001). Immediately following resuscitation the increase in blood volume corresponded to 54% of the infused volume under FAST treatment and 69% of the infused volume under SLOW treatment (P=0.03). This blood volume expansion attenuated with time to 24% and 25% of the infused volume 30 min postinfusion. During fluid resuscitation, blood pressure was higher under FAST treatment. However, CI paradoxically decreased in most participants during the resuscitation phase; a finding not observed under SLOW treatment.Conclusion:FAST or SLOW fluid resuscitation had no significant impact on DO2 between treatment groups. In both groups, changes in CI and blood pressure did not reflect the magnitude of intravascular blood volume deficit. Crystalloid resuscitation expanded intravascular blood volume by approximately 25%.

Place, publisher, year, edition, pages
LIPPINCOTT WILLIAMS & WILKINS , 2016. Vol. 46, no 2, 149-157 p.
Keyword [en]
Blood pressure; blood volume; cardiac index; fluid; haemorrhage; shock; venesection
National Category
Anesthesiology and Intensive Care
URN: urn:nbn:se:liu:diva-131515DOI: 10.1097/SHK.0000000000000610ISI: 000381041400007PubMedID: 26974423OAI: diva2:974409

Funding Agencies|Bernie Sweet Clinical Research Fellowship Grant; Austin Medical Research Foundation; Australian and New Zealand College of Anaesthestists University of Melbourne Grant

Available from: 2016-09-26 Created: 2016-09-23 Last updated: 2016-09-26

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Hahn, Robert
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Division of Drug ResearchFaculty of Medicine and Health SciencesDepartment of Anaesthesiology and Intensive Care in Linköping
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