2021
DOI: 10.1002/ehf2.13367
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Feasibility of remote speech analysis in evaluation of dynamic fluid overload in heart failure patients undergoing haemodialysis treatment

Abstract: Aims This study aimed to assess the ability of a voice analysis application to discriminate between wet and dry states in chronic heart failure (CHF) patients undergoing regular scheduled haemodialysis treatment due to volume overload as a result of their chronic renal failure. Methods and resultsIn this single-centre, observational study, five patients with CHF, peripheral oedema of ≥2, and pulmonary congestion-related dyspnoea, undergoing haemodialysis three times per week, recorded five sentences into a sta… Show more

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Cited by 8 publications
(4 citation statements)
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“…Previous studies have demonstrated changes of different vocal characteristics in individual patients as they undergo treatment. 6 , 7 , 25 , 26 However, the change of PR between admission and discharge was only modest in our study. This dichotomy between large group differences but modest within‐patient change is in line with a recent finding by Sara and colleagues.…”
Section: Discussioncontrasting
confidence: 66%
“…Previous studies have demonstrated changes of different vocal characteristics in individual patients as they undergo treatment. 6 , 7 , 25 , 26 However, the change of PR between admission and discharge was only modest in our study. This dichotomy between large group differences but modest within‐patient change is in line with a recent finding by Sara and colleagues.…”
Section: Discussioncontrasting
confidence: 66%
“…Again, in the comparison of means we found a higher nPVI with respect to subjects without this condition. The most studied diseases are coronary artery disease ( Sara et al, 2022 ) and heart failure ( Amir et al, 2021 ). One of these studies achieved an accuracy very similar to that obtained here with 81% for heart failure ( Kiran Reddy et al, 2021 ).…”
Section: Discussionmentioning
confidence: 99%
“…Condenser microphones represent another possibility; for example, Bunton and Leddy [8] used a SHURE SM81 microphone to record the voices of Down syndome patients. Smart phones represent a promising alternative for voice recordings; several studies have reported their efficiency, portability, and cost-effectiveness in collecting pathological voices [21][22][23], although they must be used with caution in noisy environments and in terms of distance and inclination with respect to the radiation source. Manfredi et al [24] tested two smart phones at the extremes of the commercial price range, which were found to perform similarly in voice acquisition, suggesting that almost any smartphone-integrated microphone could be used to reliably record audio signals for acoustical analysis purposes.…”
Section: Audio Recordingsmentioning
confidence: 99%