Volume-replacement ratio for crystalloids and colloids during bleeding and resuscitation an animal experiment /

BACKGROUND: Fluid resuscitation remains a cornerstone in the management of acute bleeding. According to Starling's "Three-compartment model", four-times more crystalloids have the same volume effect as colloids. However, this volume-replacement ratio remains a controversial issue as i...

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Bibliographic Details
Main Authors: László Ildikó
Demeter Gábor
Öveges Nándor
Érces Dániel
Kaszaki József
Tánczos Krisztián
Molnár Zsolt
Format: Article
Published: 2017
Series:INTENSIVE CARE MEDICINE EXPERIMENTAL 5 No. 1
doi:10.1186/s40635-017-0165-y

mtmt:3335451
Online Access:http://publicatio.bibl.u-szeged.hu/17438
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490 0 |a INTENSIVE CARE MEDICINE EXPERIMENTAL  |v 5 No. 1 
520 3 |a BACKGROUND: Fluid resuscitation remains a cornerstone in the management of acute bleeding. According to Starling's "Three-compartment model", four-times more crystalloids have the same volume effect as colloids. However, this volume-replacement ratio remains a controversial issue as it may be affected by the degradation of the endothelial glycocalyx layer, a situation often found in the critically ill. Our aim was to compare colloid and crystalloid based fluid resuscitation during an experimental stroke volume index (SVI) guided hemorrhage and resuscitation animal model. METHODS: Anesthetized and mechanically ventilated pigs were randomized to receive a colloid (Voluven(R),HES, n=15) or crystalloid (Ringerfundin(R),RF, n=15) infusion. Animals were bled till baseline SVI (Tbsl) dropped by 50% (T0), followed by resuscitation until initial SVI was reached (T4) in four steps. Invasive hemodynamic measurements, blood gas analyses and laboratory tests were performed at each assessment points. Glycocalyx degradation markers (Syndecan-1/hematocrit ratio, Glypican/hematocrit ratio) were determined at Tbsl, T0 and T4. RESULTS: Similar amounts of blood were shed in both groups (HES group: 506+/-159 mls blood, RF group: 470+/-127 mls blood). Hemodynamic changes followed the same pattern without significant difference between the groups. Animals received significantly less resuscitation fluid in the HES compared to the RF-group: 425 [320-665], vs 1390 [884-1585] mls, p <0.001. The volume replacement ratio was 0.92 [0.79-1.54] for HES; and 3.03 [2.00-4.23] for the RF-group (p <0.001). There was no significant difference between the groups in the glycocalyx degradation markers. CONCLUSION: In this moderate bleeding-resuscitation animal model the volume-replacement ratio for crystalloids and colloids followed similar patterns as predicted by Starling's principle, and the glycocalyx remained intact. This indicates that in acute bleeding events, such as trauma or during surgery, colloids may be beneficial as hemodynamic stability may be achieved more rapidly than with crystalloids. 
700 0 1 |a Demeter Gábor  |e aut 
700 0 1 |a Öveges Nándor  |e aut 
700 0 1 |a Érces Dániel  |e aut 
700 0 1 |a Kaszaki József  |e aut 
700 0 1 |a Tánczos Krisztián  |e aut 
700 0 1 |a Molnár Zsolt  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/17438/1/LaszloI2017_IntensiveCareMedicineExperimental.pdf  |z Dokumentum-elérés