Airflow and volume profiles involve some respiratory individual peculiarities
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BEŞLEAGA, Tudor; CALABRESE, Pascale; VOVC, Victor; BACONNIER, Pierre; MOLDOVANU, Ion; EBERHARD, Andre. Airflow and volume profiles involve some respiratory individual peculiarities. In: Nanotechnologies and Biomedical Engineering. Editia 2, 18-20 aprilie 2013, Chișinău. Technical University of Moldova, 2013, pp. 555-560. ISBN 978-9975-62-343-8..
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Nanotechnologies and Biomedical Engineering
Editia 2, 2013
Conferința "International Conference on Nanotechnologies and Biomedical Engineering"
2nd Edition, Chișinău, Moldova, 18-20 aprilie 2013

Airflow and volume profiles involve some respiratory individual peculiarities

Pag. 555-560

Beşleaga Tudor1, Calabrese Pascale2, Vovc Victor1, Baconnier Pierre2, Moldovanu Ion1, Eberhard Andre2
1 ”Nicolae Testemițanu” State University of Medicine and Pharmacy,
2 Joseph Fourier University
Disponibil în IBN: 21 iunie 2019


The aim of our research was to evaluate the respiratory individuality during voluntary hyperventilation. 13 healthy subjects following voluntary hyperventilation protocol with the respiratory rate at 20 breaths per minute were recorded twice with one year interval. The airflow signal was decomposed by Fourier transformation into harmonics, the characteristics of first four harmonics made 8 variables complexes that can reproduce the mean airflow profile. The volume profile is represented by triplets including tidal volume, inspiratory and expiratory times. These multivariate complexes (8 variables complexes and respiratory triplets) of in two conditions (repeated recordings after one year interval) was compared by statistic test of similarity. The statistic comparison confirms the respiratory individuality in conditions of hyperventilation test.

harmonic analysis of breathing, individuality of breathing pattern, voluntary hyperventilation.