Show simple item record

Authordc.contributor.authorEspinoza Catalán, Víctor 
Authordc.contributor.authorMehta, Daryush D. 
Authordc.contributor.authorVan Stan, Jarrad H. 
Authordc.contributor.authorHillman, Robert E. 
Authordc.contributor.authorZañartu, Matías 
Admission datedc.date.accessioned2021-03-16T19:00:28Z
Available datedc.date.available2021-03-16T19:00:28Z
Publication datedc.date.issued2020
Cita de ítemdc.identifier.citationJ Speech Lang Hear Res . 2020 Sep 15; 63 (9):2861-2869es_ES
Identifierdc.identifier.other10.1044/2020_JSLHR-20-00189
Identifierdc.identifier.urihttps://repositorio.uchile.cl/handle/2250/178716
Abstractdc.description.abstractPurpose: The purpose of this study was to determine whether estimates of glottal aerodynamic measures based on neck-surface vibration are comparable to those previously obtained using oral airflow and air pressure signals (Espinoza et al., 2017) in terms of discriminating patients with phonotraumatic and nonphonotraumatic vocal hyperfunction (PVH and NPVH) from vocally healthy controls. Method: Consecutive /pae/ syllables at comfortable and loud level were produced by 16 women with PVH (organic vocal fold lesions), 16 women with NPVH (primary muscle tension dysphonia), and 32 vocally healthy women who were each matched to a patient according to age and occupation. Subglottal impedance-based inverse filtering of the anterior neck-surface accelerometer (ACC) signal yielded estimates of peak-to-peak glottal airflow, open quotient, and maximum flow declination rate. Average subglottal pressure and microphone-based sound pressure level (SPL) were also estimated from the ACC signal using subject-specific linear regression models. The ACC-based measures of glottal aerodynamics were normalized for SPL and statistically compared between each patient and matched-control group. Results: Patients with PVH and NPVH exhibited lower SPL-normalized glottal aerodynamics values than their respective control subjects (p values ranging from < .01 to .07) with very large effect sizes (1.04-2.16), regardless of loudness condition or measurement method (i.e., ACC-based values maintained discriminatory power). Conclusions: The results of this study demonstrate that ACC-based estimates of most glottal aerodynamic measures are comparable to those previously obtained from oral airflow and air pressure (Espinoza et al., 2017) in terms of differentiating between hyperfunctional (PVH and NPVH) and normal vocal function. ACC-based estimates of glottal aerodynamic measures may be used to assess vocal function during continuous speech and enables this assessment of daily voice use during ambulatory monitoring to provide better insight into the pathophysiological mechanisms associated with vocal hyperfunction.es_ES
Patrocinadordc.description.sponsorshipVoice Health Institute United States Department of Health & Human Services National Institutes of Health (NIH) - USA NIH National Institute on Deafness & Other Communication Disorders (NIDCD) R33 DC011588 P50 DC015446 R21 DC015877 ANID FONDECYT 1191369 BASAL FB0008 UTFSM FSM1204es_ES
Lenguagedc.language.isoenes_ES
Publisherdc.publisherAmerican Speech-Language-Hearing Association (ASHA)es_ES
Sourcedc.sourceJournal of Speech, Language, and Hearing Researches_ES
Keywordsdc.subjectSubglottal pressurees_ES
Keywordsdc.subjectVoice disorderses_ES
Keywordsdc.subjectAccelerationes_ES
Keywordsdc.subjectPrevalencees_ES
Keywordsdc.subjectIntensityes_ES
Keywordsdc.subjectFeatureses_ES
Títulodc.titleGlottal aerodynamics estimated from neck-surface vibration in women with phonotraumatic and nonphonotraumatic vocal hyperfunctiones_ES
Document typedc.typeArtículo de revistaes_ES
dcterms.accessRightsdcterms.accessRightsAcceso a solo metadatoses_ES
Catalogueruchile.catalogadorctces_ES
Indexationuchile.indexArtículo de publicación ISI
Indexationuchile.indexArtículo de publicación SCOPUS


Files in this item

Icon

This item appears in the following Collection(s)

Show simple item record