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Signa Vitae

Journal of Intensive Care and Emergency Medicine

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

Abstract

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 relationship 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.

Keywords: end- tidal CO2, mean arterial pressure, hemorrhagic shock, relationship

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Hemorrhagic shock as a complication of anticoagulant therapy following the mitral valve replacement

Abstract

This report describes a case of the hemorrhagic shock in a patient on the anticoagulant therapy supplementing implanted mechanical prosthetic heart valve replacing the mitral valve. The association between hemorrhagic shock, mechanical prosthetic heart valve and anticoagulant therapy is briefly discussed.

Key words: hemorrhagic shock, mechanical prosthetic heart valve, anticoagulant therapy

 

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