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Title: Automatic quality assessment of a forced expiratory manoeuvre acquired with the tablet microphone
Author: Almeida, Rute
Pinho, Bernardo
Jácome, Cristina
Teixeira, João Fonseca
Amaral, Rita
Gonçalves, Ivânia
Lopes, Filipa
Pinheiro, Ana Catarina
Jacinto, Tiago
Paixão, Cátia
Pereira, Mariana
Marques, Alda
Almeida Fonseca, João
Keywords: Lung function monitoring
Signal quality
Smart device
Issue Date: 2020
Abstract: Evaluation of lung function is central to the management of chronic obstructive respiratory diseases. It is typically evaluated with a spirometer by a specialized health professional, who ensures the correct execution of a forced expiratory manoeuvre (FEM). Audio recording of a FEM using a smart device embedded microphone can be used to self-monitor lung function between clinical visits. The challenge of microphone spirometry is to ensure the validity and reliability of the FEM, in the absence of a health professional. In particular, the absence of a mouthpiece may allow excessive mouth closure, leading to an incorrect manoeuvre. In this work, a strategy to automatically assess the correct execution of the FEM is proposed and validated. Using 498 FEM recordings, both specificity and sensitivity attained were above 90%. This method provides immediate feedback to the user, by grading the manoeuvre in a visual scale, promoting the repetition of the FEM when needed.
Peer review: yes
DOI: 10.1007/978-3-030-31635-8_170
ISBN: 978-3-030-31634-1
Appears in Collections:ESSUA - Capítulo de livro
IBIMED - Capítulo de livro
Lab3R - Capítulo de livro

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