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Original Research

Open Access

Relationship between mean arterial pressure and end-tidal partial pressure of carbon dioxide during hemorrhagic shock and

volume resuscitation


1,The Center for Emergency Medicine Maribor

DOI: 10.22514/SV41.042009.5 Vol.4,Issue 1,April 2009 pp.24-26

Published: 09 April 2009

*Corresponding Author(s): STEFEK GRMEC E-mail:


Objectives. We examined the relationship between partial end-tidal CO2 (pet) and mean arterial pressure in patients with traumatic hemorrhagic shock, who were receiving constant minute ventilation.

Methods. In 61 patients we continuously measured pet CO2 with a capnograph, direct arterial pressure via a cannula, oxygen levels via pulse oximetry and body temperature.

Results. We observed significant changes in pet CO2 (increase) after volume resuscitation and a quantitative linear relati-onship between pet CO2 and mean arterial pressure.

Conclusions. Partial end-tidal CO2 can be used as a reliable non-invasive monitoring device in patients with hemorrhagic shock when minute ventilation is relatively constant. The monitoring of pet CO2 might also be a useful guide for volume resuscitation in hemorrhagic shock, especially in the pre-hospital setting.


end- tidal CO2, mean arte-rial pressure, hemorrhagic shock, relationship

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STEFEK GRMEC,MIRJAM GOLUB,ALINA JELATANCEV. Relationship between mean arterial pressure and end-tidal partial pressure of carbon dioxide during hemorrhagic shock andvolume resuscitation. Signa Vitae. 2009. 4(1);24-26.


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