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1988

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/8686

A new estimator to minimize the error due to breathing in the measurement of respiratory impedance

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Abstract

This paper presents a new respiratory impedance estimator to minimize the error due to breathing. Its practical reliability was evaluated in a simulation using realistic signals. These signals were generated by superposing pressure and flow records obtained in two conditions: 1) when applying forced oscillation to a resistance- inertance- elastance (RIE) mechanical model; 2) when healthy subjects breathed through the unexcited forced oscillation generator. Impedances computed (4-32 Hz) from the simulated signals with the new estimator resulted in a mean value which was scarcely biased by the added breathing (errors less than 1 percent in the mean R, I , and E ) and had a small variability (coefficients of variation of R, I, and E of 1.3, 3.5, and 9.6 percent, respectively). Our results suggest that the proposed estimator reduces the error in measurement of respiratory impedance without appreciable extracomputational cost.

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Errors científics, Mesurament

Subject (English)

Biomedical measurement, Measurement errors, Pneumodynamics

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Articles publicats en revistes (Ciències Fisiològiques)

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NAVAJAS NAVARRO, Daniel, et al. A new estimator to minimize the error due to breathing in the measurement of respiratory impedance. IEEE Transactions on Biomedical Engineering. 1988. Vol. 35, num. 12, pags. 1001-1005. ISSN 0018-9294. [consulted: 13 of August of 2026]. Available at: https://hdl.handle.net/2445/8686

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