Why the study?
Non-invasive cardiac output monitoring is challenging in critically ill patients, prompting evaluation of whether an automated brachial cuff-based oscillometric device could feasibly estimate cardiac output compared with thermodilution.
Does a brachial cuff-based oscillometric device accurately estimate cardiac output compared to thermodilution in ICU patients with shock?
Population
24 patients hospitalized at intensive care unit
Comparison
Mobil-O-Graph vs thermodilution during pulmonary artery catheterization
Design
Repeated sequential measurements in random order
Authors
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Bias and error limit interchangeability with thermodilution in shock; leaves open validation of cuff-based cardiac output monitoring.
Does a brachial cuff-based oscillometric device accurately estimate cardiac output compared to thermodilution in ICU patients with shock?
The Mobil-O-Graph device provides reproducible but fairly acceptable accuracy for non-invasive cardiac output estimation in ICU patients, underestimating values compared to the thermodilution gold standard.
Papaioannou et al. (2019) studied this question.
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