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. 2017 Oct;142(4):EL401.
doi: 10.1121/1.5007092.

Acoustic speech analysis of patients with decompensated heart failure: A pilot study

Olivia M Murton  1 , Robert E Hillman  1 , Daryush D Mehta  1 , Marc Semigran  2 , Maureen Daher  2 , Thomas Cunningham  2 , Karla Verkouw  2 , Sara Tabtabai  2 , Johannes Steiner  2 , G William Dec  2 , Dennis Ausiello  2
Affiliations

Acoustic speech analysis of patients with decompensated heart failure: A pilot study

Olivia M Murton et al. J Acoust Soc Am. 2017 Oct.

Abstract

This pilot study used acoustic speech analysis to monitor patients with heart failure (HF), which is characterized by increased intracardiac filling pressures and peripheral edema. HF-related edema in the vocal folds and lungs is hypothesized to affect phonation and speech respiration. Acoustic measures of vocal perturbation and speech breathing characteristics were computed from sustained vowels and speech passages recorded daily from ten patients with HF undergoing inpatient diuretic treatment. After treatment, patients displayed a higher proportion of automatically identified creaky voice, increased fundamental frequency, and decreased cepstral peak prominence variation, suggesting that speech biomarkers can be early indicators of HF.

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Figures

Fig. 1.
Fig. 1.
Creak percent versus weight for each patient's Rainbow Passage (left) and CAPE-V sentences (right), with first-day (filled) and last-day (open) values. Note the horizontal axis shows weight decreasing toward the right, indicating direction of HF status improvement.
Fig. 2.
Fig. 2.
Median (left) and SD (right) F0 across voiced frames for each patient's Rainbow Passage.
Fig. 3.
Fig. 3.
Mean CPP (left) and F0 SD (right) vs weight across all sustained-vowel utterances in each patient's first- and last-day recordings.
See this image and copyright information in PMC

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