alexa Mixed venous versus central venous oxygen saturation in intensive medicine


Journal of Anesthesia & Clinical Research

Author(s): Wendt M, Hachenberg T, Albert A, Janzen R

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Mixed venous oxygen saturation (SvO2) has been established as a useful guide in observing whole body oxygenation. Since SvO2 provides limited information about adequate tissue oxygenation for a specific organ, the usefulness of central venous saturation (ScvO2) as a guide was analysed, which is a less invasive parameter. In 19 ICU patients 44 pairs of blood samples were drawn from a separate central venous catheter and from the tip of an SG-catheter. The correlation of oxygen partial pressures was 0.687 and the correlation of the saturation reached 0.779. The calculation of venous admixture showed a correlation of 0.901. It is concluded that ScvO2 yields adequate information on the oxygen saturation of venous return.

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This article was published in Anasth Intensivther Notfallmed and referenced in Journal of Anesthesia & Clinical Research

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