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Authors: Vânia Almeida ; Tânia Pereira ; Elisabeth Borges ; Edite Figueiras ; João Cardoso ; Carlos Correia ; Helena Catarina Pereira ; José Luís Malaquias and J. Basílio Simões

Affiliation: University of Coimbra, Portugal

Keyword(s): Augmentation index, Arterial blood pressure, Wavelets, Probability density function.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Biomedical Engineering ; Biomedical Signal Processing ; Computer Vision, Visualization and Computer Graphics ; Medical Image Detection, Acquisition, Analysis and Processing

Abstract: We developed and tested the performance of a new wavelet based algorithm for Augmentation Index (AIx) determination. The evaluation method relies on reference cardiac-like pulses that are synthesized using a weighted combination of exponentially shaped sub-pulses that represent the three main components of real pulses: the systolic stroke, its reflected replica and the carotid reservoir or windkessel effect. The pulses are parameterized so as to reproduce the main types of cardiac waveforms. The values of AIx yielded by the new algorithm are compared with the ones computed directly from the synthesized waveform and with the values produced by standard Probability Density Function (PDF) analysis.

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Paper citation in several formats:
Almeida, V.; Pereira, T.; Borges, E.; Figueiras, E.; Cardoso, J.; Correia, C.; Catarina Pereira, H.; Luís Malaquias, J. and Basílio Simões, J. (2010). SYNTHESIZED CARDIAC WAVEFORM IN THE EVALUATION OF AUGMENTATION INDEX ALGORITHMS - Case Study for a New Wavelet based Algorithm. In Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2010) - BIOSIGNALS; ISBN 978-989-674-018-4; ISSN 2184-4305, SciTePress, pages 385-388. DOI: 10.5220/0002691703850388

@conference{biosignals10,
author={Vânia Almeida. and Tânia Pereira. and Elisabeth Borges. and Edite Figueiras. and João Cardoso. and Carlos Correia. and Helena {Catarina Pereira}. and José {Luís Malaquias}. and J. {Basílio Simões}.},
title={SYNTHESIZED CARDIAC WAVEFORM IN THE EVALUATION OF AUGMENTATION INDEX ALGORITHMS - Case Study for a New Wavelet based Algorithm},
booktitle={Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2010) - BIOSIGNALS},
year={2010},
pages={385-388},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002691703850388},
isbn={978-989-674-018-4},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2010) - BIOSIGNALS
TI - SYNTHESIZED CARDIAC WAVEFORM IN THE EVALUATION OF AUGMENTATION INDEX ALGORITHMS - Case Study for a New Wavelet based Algorithm
SN - 978-989-674-018-4
IS - 2184-4305
AU - Almeida, V.
AU - Pereira, T.
AU - Borges, E.
AU - Figueiras, E.
AU - Cardoso, J.
AU - Correia, C.
AU - Catarina Pereira, H.
AU - Luís Malaquias, J.
AU - Basílio Simões, J.
PY - 2010
SP - 385
EP - 388
DO - 10.5220/0002691703850388
PB - SciTePress

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