New generation continuous cardiac output monitoring from carbon dioxide elimination

BMC Anesthesiology
P PeytonM Hallbäck

Abstract

There is continuing interest among clinicians in the potential for advanced hemodynamic monitoring and "goal directed" intravenous fluid administration guided by minimally-invasive cardiac output measurement to reduce complication rates in high risk patients undergoing major surgery. However, the adoption of the available technologies has been limited, due to cost, complexity and reliability of measurements provided. We review progress in the development of new generation methods for continuous non-invasive monitoring of cardiac output from measurement of carbon dioxide elimination in ventilated patients using the Differential Fick method. The history and underlying theoretical basis are described, and its recent further development and implementation using modern generation anesthesia monitoring and delivery systems by two separate but parallel methods, termed "Capnotracking" and "Capnodynamics". Both methods generate breath-by-breath hands-free cardiac output monitoring from changes in carbon dioxide elimination produced by automatic computerized modulation of respiratory rate delivered by an electronic ventilator. Extensive preclinical validation in animal models of hemodynamic instability, with implanted ultrasonic flow pro...Continue Reading

References

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Feb 10, 2018·Journal of Clinical Monitoring and Computing·Philip J Peyton, Monique Kozub

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Citations

Oct 6, 2021·Journal of Clinical Monitoring and Computing·Anders SvedmyrJacob Karlsson

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Methods Mentioned

BETA
Differential Fick
coronary artery bypass

Software Mentioned

Capnodynamics
Capnotracking
Gedeon

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