An Analysis on Aerodynamic and Acoustic Changes After Thyroidectomy

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dc.contributor.authorYilmaz, Beyhan
dc.contributor.authorBakir, Salih
dc.contributor.authorYilmaz, Edip Erdal
dc.contributor.authorSenhul, Engin
dc.contributor.authorUslukaya, Omer
dc.contributor.authorGul, Aylin
dc.contributor.authorOzkurt, Fazil Emre
dc.date.accessioned2024-04-24T17:33:09Z
dc.date.available2024-04-24T17:33:09Z
dc.date.issued2016
dc.departmentDicle Üniversitesien_US
dc.description.abstractThe purpose of this study was to investigate the aerodynamic and acoustic changes after thyroidectomy without laryngeal nerve injury by using objective methods. Voice samples of sustained /alpha/ recorded from 44 adults preoperatively and nearly 1 week and 3 months after thyroidectomy were analyzed for mean vocal fundamental frequency (Mean Fo, Hz), maximum fundamental frequency (Max Fo, Hz), minimum fundamental frequency (Min Fo, Hz), jitter, shimmer, glottal to noise excitation ratio (GNE), irregularity, noise, overall severity, S time, Z time, S/Z ratio, and maximum phonation time (MPT). Voice samples were analyzed using the lingWAVES software. The comparisons of preoperative and early and late postoperative acoustic parameters revealed significant differences in Mean F0, Max F0, MPT, and S Time between the early and late postoperative periods. The voice changes after thyroidectomy were not affected by age, sex, or surgical procedure, but they differed between the benign and malignant nature of the tumor. Patients with malignant tumors showed a greater decrease in Mean F0 and Max F0 compared with the patients with benign tumors, and this difference was statistically significant. Voice changes may occur after thyroidectomy even in the patients with no evidence of laryngeal nerve damage, and these changes can be assessed with objective measurement methods. This information should be explained to the patients during the preoperative counseling, and proper informed consent is ethically and legally required for all planned thyroidectomies.en_US
dc.description.sponsorshipDicle University [13-TF-93, 12-TF-122]en_US
dc.description.sponsorshipWe thank Yilmaz Palanci (Assistant Professor at Department of Public Health, Dicle University School of Medicine) for valuable statistical assistance. This clinical study was supported by a grant from the Dicle University Research fund under Projects 13-TF-93 and 12-TF-122. Author contributions-study conception and design: Beyhan Yilmaz, Salih Bakir; acquisition of data: Beyhan Yilmaz, Omer Uslukaya, Edip Erdal Yilmaz, Engin Sengul, Aylin Gul; analysis and interpretation of data: Beyhan Yilmaz, Edip Erdal Yilmaz, Engin Sengul, Fazil Emre Ozkurt; drafting of manuscript: Beyhan Yilmaz, Salih Bakir; and critical revision: Beyhan Yilmaz, Ismail Topcu.en_US
dc.identifier.doi10.9738/INTSURG-D-15-00227.1
dc.identifier.endpage240en_US
dc.identifier.issn0020-8868
dc.identifier.issue5-6en_US
dc.identifier.scopus2-s2.0-85015890065
dc.identifier.scopusqualityQ4
dc.identifier.startpage233en_US
dc.identifier.urihttps://doi.org/10.9738/INTSURG-D-15-00227.1
dc.identifier.urihttps://hdl.handle.net/11468/20472
dc.identifier.volume101en_US
dc.identifier.wosWOS:000402283400007
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherInt College Of Surgeonsen_US
dc.relation.ispartofInternational Surgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAcoustic Changesen_US
dc.subjectThyroidectomyen_US
dc.subjectLingwaves Programen_US
dc.titleAn Analysis on Aerodynamic and Acoustic Changes After Thyroidectomyen_US
dc.titleAn Analysis on Aerodynamic and Acoustic Changes After Thyroidectomy
dc.typeArticleen_US

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