{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,7]],"date-time":"2026-06-07T07:37:28Z","timestamp":1780817848611,"version":"3.54.1"},"reference-count":23,"publisher":"Cambridge University Press (CUP)","issue":"2","license":[{"start":{"date-parts":[[2023,6,19]],"date-time":"2023-06-19T00:00:00Z","timestamp":1687132800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S002221512300110X_sec_a1\"><jats:title>Objective<\/jats:title><jats:p>The main purpose of this study was to retrospectively evaluate the efficiency of DoctorVox voice therapy in psychogenic dysphonia or aphonia patients, and to share the mid- to long-term results of the method.<\/jats:p><\/jats:sec><jats:sec id=\"S002221512300110X_sec_a2\" sec-type=\"methods\"><jats:title>Methods<\/jats:title><jats:p>The study was carried out on patients who underwent DoctorVox voice therapy for psychogenic dysphonia or aphonia between January 2015 and September 2019. The evaluation methods used were: the Voice Handicap Index-10; the grade, roughness, breathiness, asthenia and strain (\u2018GRBAS\u2019) scale; and videolaryngostroboscopy recordings.<\/jats:p><\/jats:sec><jats:sec id=\"S002221512300110X_sec_a3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>The mean Voice Handicap Index-10 values of the patients were 30.91 \u00b1 2.97 before treatment, 8.14 \u00b1 3.82 after treatment, and 3.36 \u00b1 1.78 in the final follow-up examination. The grade, roughness, breathiness, asthenia and strain scale scores were: 9 \u00b1 0.67 pre-treatment, 0.78 \u00b1 0.80 post-treatment, and 0.57 \u00b1 0.64 at the final follow up.<\/jats:p><\/jats:sec><jats:sec id=\"S002221512300110X_sec_a4\" sec-type=\"conclusions\"><jats:title>Conclusion<\/jats:title><jats:p>DoctorVox voice therapy seems to be an efficient treatment method for psychogenic dysphonia or aphonia; it helps develop phonatory muscle functions, using multidimensional biofeedback mechanisms, and increases the patients\u2019 therapy adherence.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s002221512300110x","type":"journal-article","created":{"date-parts":[[2023,6,19]],"date-time":"2023-06-19T07:54:38Z","timestamp":1687161278000},"page":"224-231","source":"Crossref","is-referenced-by-count":4,"title":["The efficiency of the DoctorVox voice therapy technique in conversion dysphonia and aphonia"],"prefix":"10.1017","volume":"138","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7989-8292","authenticated-orcid":false,"given":"Engin","family":"Ba\u015fer","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u0130smail \u0130lter","family":"Denizo\u011flu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2023,6,19]]},"reference":[{"key":"S002221512300110X_ref12","first-page":"139","article-title":"Reliability and validity of the Turkish version of the Voice Handicap Index [in Turkish]","volume":"18","author":"Kili\u00e7","year":"2008","journal-title":"Kulak Burun Bogaz Ihtis Derg"},{"key":"S002221512300110X_ref17","doi-asserted-by":"publisher","DOI":"10.1097\/00020840-200306000-00002"},{"key":"S002221512300110X_ref20","doi-asserted-by":"publisher","DOI":"10.3109\/13682828909011946"},{"key":"S002221512300110X_ref21","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2273.1992.tb01832.x"},{"key":"S002221512300110X_ref5","doi-asserted-by":"publisher","DOI":"10.1590\/S0104-56872010000300033"},{"key":"S002221512300110X_ref2","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(98)80081-7"},{"key":"S002221512300110X_ref7","doi-asserted-by":"publisher","DOI":"10.3109\/00016489209136824"},{"key":"S002221512300110X_ref3","doi-asserted-by":"publisher","DOI":"10.3109\/00016489309135839"},{"key":"S002221512300110X_ref4","first-page":"12","article-title":"Psychogenic aphonia: no fixation even after a lengthy period of aphonia","volume":"140","author":"Kollbrunner","year":"2010","journal-title":"Swiss Med Wkly"},{"key":"S002221512300110X_ref22","doi-asserted-by":"publisher","DOI":"10.2298\/VSP0406695K"},{"key":"S002221512300110X_ref23","first-page":"3","article-title":"On the diagnostics and treatment of psychogenic aphonias - results of a phoniatric inquiry [in German]","volume":"26","author":"Seidner","year":"2002","journal-title":"Spr Stimme Gehor"},{"key":"S002221512300110X_ref16","doi-asserted-by":"publisher","DOI":"10.1080\/140154302760409310"},{"key":"S002221512300110X_ref10","first-page":"606","author":"Denizoglu","year":"2020","journal-title":"Textbook of Clinical Vocology"},{"key":"S002221512300110X_ref13","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(99)80006-X"},{"key":"S002221512300110X_ref15","doi-asserted-by":"publisher","DOI":"10.1177\/070674379103600509"},{"key":"S002221512300110X_ref18","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjorl.2014.09.002"},{"key":"S002221512300110X_ref11","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2018.05.012"},{"key":"S002221512300110X_ref8","doi-asserted-by":"publisher","DOI":"10.1016\/j.anl.2013.01.002"},{"key":"S002221512300110X_ref14","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2009.12.009"},{"key":"S002221512300110X_ref19","doi-asserted-by":"publisher","DOI":"10.1080\/17549500701879661"},{"key":"S002221512300110X_ref9","first-page":"191","article-title":"Management and therapy in functional aphonia: analysis of 500 cases [in Polish]","volume":"60","author":"Maniecka-Aleksandrowicz","year":"2006","journal-title":"Otolaryngol Pol"},{"key":"S002221512300110X_ref6","first-page":"401","article-title":"Psychogenic dysphonia [in Spanish]","volume":"23","author":"Urrutikoetxea Sarriegui","year":"1996","journal-title":"An Otorrinolaringol Ibero Am"},{"key":"S002221512300110X_ref1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2017.09.022"}],"container-title":["The Journal of Laryngology &amp; 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