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Computerized respiratory sound analysis in people with dementia: a first-step towards diagnosis and monitoring of respiratory conditions

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dc.contributor.authorRocha, Vânia
dc.contributor.authorMelo, Cristina
dc.contributor.authorMarques, Alda
dc.date.accessioned2017-01-03T10:47:27Z
dc.date.available2017-01-03T10:47:27Z
dc.date.issued2016
dc.description.abstractComputerized respiratory sound analysis has been shown to be an objective and reliable way to assess respiratory diseases. However, its application in non-collaborative populations, such as people with dementia, is still unknown. Therefore this study aimed to characterize normal and adventitious respiratory sounds (NRS; ARS) in older people with and without dementia. A cross-sectional study including two groups of 30 subjects with dementia and 30 subjects without dementia was performed. Digital auscultation was used to record NRS and ARS per breathing-phase (inspiration/expiration) at trachea and thorax. Frequency at percentiles 25, 50 and 75, frequency at maximum-intensity, maximum-intensity (I max) and mean-intensity (I mean) characterized NRS. Crackle number, frequency, initial-deflection-width, 2cycle-duration, and largest-deflection-width and wheeze number, frequency and occupation-rate characterized ARS. Groups were similar in socio-demographics, except for anthropometrics. No significant differences were found between groups in NRS frequency or ARS at trachea or thorax. Significant lower I max (inspiration: 36.88(29.42;39.92) versus 39.84(36.50;44.17) p  =  0.007; expiration: 34.51(32.06;38.87) versus 42.33(36.92;44.98) p  <  0.001) and I mean (inspiration: 15.23(12.08;18.60) versus 18.93(15.64;21.82) p  =  0.003 and expiration: 14.57(12.08;18.30) versus 18.87(15.64;21.44) p  =  0.001) at trachea and higher I mean (inspiration: 17.29(16.04;19.31) versus 16.45(15.05; 18.79) p  =  0.005 and expiration: 16.71(15.31;18.56) versus 16.38(14.40;17.85) p  =  0.011) at thorax were found in subjects with dementia when compared with subjects without dementia. To conclude, people with and without dementia had similar NRS and ARS characteristics, except for NRS intensity. Computerized respiratory sound analysis was feasible in a non-collaborative population. Further research is needed to enhance the use of respiratory acoustics in non-collaborative populations, with strong potential to be applied in different settings for diagnosis and monitoring purposes.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1088/0967-3334/37/11/2079pt_PT
dc.identifier.issn1361-6579
dc.identifier.urihttp://hdl.handle.net/10400.22/9081
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIOP Publishingpt_PT
dc.subjectDigital auscultationpt_PT
dc.subjectNormal respiratory soundspt_PT
dc.subjectAdventitious respiratory soundspt_PT
dc.subjectOlder peoplept_PT
dc.subjectDementiapt_PT
dc.titleComputerized respiratory sound analysis in people with dementia: a first-step towards diagnosis and monitoring of respiratory conditionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage2092pt_PT
oaire.citation.issue11pt_PT
oaire.citation.startPage2079pt_PT
oaire.citation.titlePhysiological Measurementpt_PT
oaire.citation.volume37pt_PT
person.familyNameMelo
person.givenNameCristina
person.identifier.ciencia-idD314-7D17-7859
person.identifier.orcid0000-0003-2829-4744
person.identifier.scopus-author-id55749731500
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6d9fef46-b5d6-4b7c-a973-3fdaf6bbd58a
relation.isAuthorOfPublication.latestForDiscovery6d9fef46-b5d6-4b7c-a973-3fdaf6bbd58a

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