Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time: A pilot study

Marco Di Rienzo; Emanuele Vaini; Prospero Lombardi

doi:10.1109/EMBC.2015.7320049

Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time: A pilot study

Marco Di Rienzo, Emanuele Vaini, Prospero Lombardi

Fondazione Don Carlo Gnocchi Onlus

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We propose a new methodology for the estimation of Pulse Transit Time, PTT, based on the use of the seismocardiogram for the identification of the aortic valve opening, AO. This method has been implemented to obtain a first description of the AO-derived PTT beat-to-beat variability at rest and during the recovery after a cycloergometer exercise at 25W and 100W, its relation with systolic blood pressure, S(BP), and its difference with respect to variability of the Pulse Arrival Time, PAT (i.e. the BP transit time estimated by considering the ECG R peak instead of AO as proximal site). Our preliminary data indicate that 1) the fast components of the PTT variability are only marginally influenced by respiration; 2) only the slower components of the PTT variability are correlated with systolic BP; 3) major differences exist in the dynamics of PTT and PAT, being PAT variability significantly larger and importantly influenced by the beat-to-beat changes occurring in the Pre Ejection Period.

Original language	English
Title of host publication	Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	7184-7187
Number of pages	4
Volume	2015-November
ISBN (Print)	9781424492718
DOIs	https://doi.org/10.1109/EMBC.2015.7320049
Publication status	Published - Nov 4 2015
Event	37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2015 - Milan, Italy Duration: Aug 25 2015 → Aug 29 2015

Other

Other	37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2015
Country	Italy
City	Milan
Period	8/25/15 → 8/29/15

ASJC Scopus subject areas

Computer Vision and Pattern Recognition
Signal Processing
Biomedical Engineering
Health Informatics

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Di Rienzo, M., Vaini, E., & Lombardi, P. (2015). Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time: A pilot study. In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS (Vol. 2015-November, pp. 7184-7187). [7320049] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/EMBC.2015.7320049

Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time : A pilot study. / Di Rienzo, Marco; Vaini, Emanuele; Lombardi, Prospero.

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. Vol. 2015-November Institute of Electrical and Electronics Engineers Inc., 2015. p. 7184-7187 7320049.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Di Rienzo, M, Vaini, E & Lombardi, P 2015, Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time: A pilot study. in Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. vol. 2015-November, 7320049, Institute of Electrical and Electronics Engineers Inc., pp. 7184-7187, 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC 2015, Milan, Italy, 8/25/15. https://doi.org/10.1109/EMBC.2015.7320049

Di Rienzo M, Vaini E, Lombardi P. Use of seismocardiogram for the beat-to-beat assessment of the Pulse Transit Time: A pilot study. In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. Vol. 2015-November. Institute of Electrical and Electronics Engineers Inc. 2015. p. 7184-7187. 7320049 https://doi.org/10.1109/EMBC.2015.7320049

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abstract = "We propose a new methodology for the estimation of Pulse Transit Time, PTT, based on the use of the seismocardiogram for the identification of the aortic valve opening, AO. This method has been implemented to obtain a first description of the AO-derived PTT beat-to-beat variability at rest and during the recovery after a cycloergometer exercise at 25W and 100W, its relation with systolic blood pressure, S(BP), and its difference with respect to variability of the Pulse Arrival Time, PAT (i.e. the BP transit time estimated by considering the ECG R peak instead of AO as proximal site). Our preliminary data indicate that 1) the fast components of the PTT variability are only marginally influenced by respiration; 2) only the slower components of the PTT variability are correlated with systolic BP; 3) major differences exist in the dynamics of PTT and PAT, being PAT variability significantly larger and importantly influenced by the beat-to-beat changes occurring in the Pre Ejection Period.",

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