alexa Fluid therapy following coronary surgery

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Fluid therapy following coronary surgery

Venous hypercapnia during circulatory failure is attributed to reduction in oxygen delivery and impairment of tissue carbon dioxide clearance. Several studies in animal models showed that mixed venous - arterial carbon dioxide (MVA-CO2) tension gradient was increased when oxygen delivery to tissues (DO2) was experimentally diminished by positive end expiratory pressure, cardiac tamponade or bleeding. n the absence of a pulmonary artery catheters or an oesophageal Doppler, measurement of ΔCVA-CO2 gradient can be used to guide volume loading and to assess its effect on DO2.

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