NDLI: Estimating cardiac output from arterial blood pressurewaveforms: a critical evaluation using the MIMIC II database

Content Provider	IEEE Xplore Digital Library
Author	Sun, J.X. Reisner, A.T. Saeed, M. Mark, R.G.
Copyright Year	2005
Description	Author affiliation: Div. of Health Sci. & Technol., MIT, Cambridge, MA (Sun, J.X.; Reisner, A.T.; Saeed, M.; Mark, R.G.)
Abstract	Cardiac output (CO) estimation using arterial blood pressure (ABP) waveforms has been an active area of physiology research over the past century. However, the effectiveness of the estimators has not been extensively studied in a clinical setting. In this paper, we evaluate 11 well-known CO estimators using clinical radial ABP waveforms from the multi-parameter intelligent monitoring for intensive care II (MIMIC II) database, using thermodilution CO (TCO) as reference for comparison. We compare estimations to 988 TCO measurements in 84 patients, totaling 165 hours of ABP waveforms sampled at 125 Hz. As a necessary step for producing absolute CO estimates, we also present 3 methods of calibrating the estimators, each tailored towards a different use model. The results show that the standard deviation of error between TCO and the best CO estimators is approximately 1 L/min for absolute CO estimates. For relative estimates without calibration, the best CO estimator has 18% error at 1 standard deviation
Starting Page	295
Ending Page	298
File Size	144964
Page Count	4
File Format	PDF
ISBN	0780393376
DOI	10.1109/CIC.2005.1588095
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-09-25
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Heart rate Arterial blood pressure Deductive databases Patient monitoring Biomedical monitoring Sun Roentgenium Physiology Calibration Humans
Content Type	Text
Resource Type	Article

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