The relevance of stroboscopy in functional dysphonias(1)

Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)
B SchneiderW Seidner

Abstract

Functional dysphonias are disorders of the voice characterized by sound and efficiency disturbances of the voice without any organic changes of structures being detectable. At present, functional dysphonias are generally subclassified into hyper- and hypofunctional dysphonias in clinical practice. The study was designed for a critical evaluation of the relevance of stroboscopy to the diagnostics and classification of functional dysphonias. 45 patients were examined (27 hyperfunctional, 15 hypofunctional and 3 mixed type) using videostroboscopy. Several stroboscopic parameters were taken into consideration. Three geometrical and three time-dependent parameters were first analyzed in a uni- and multidimensional way, then cluster analyses were performed. We could not confirm the clinical subdivision into hyper- and hypofunctional dysphonias as based on anamnestic data, perceptual evaluation of voice sound, voice profile measurements and videostroboscopy. Quantitative measurements of selected parameters did not correlate with qualitative subjective stroboscopic assessment. In addition to this, it was not possible to identify separate clusters of stroboscopic findings. The results do not deny the clinical relevance of stroboscopy to...Continue Reading

Citations

Aug 19, 2003·Current Opinion in Otolaryngology & Head and Neck Surgery·Nelson Roy
Apr 26, 2006·Folia Phoniatrica Et Logopaedica : Official Organ of the International Association of Logopedics and Phoniatrics (IALP)·Oliver RaspUlrich Hoppe
Mar 15, 2006·IEEE Transactions on Bio-medical Engineering·Rosalyn J MoranPeter D Lacy
Aug 31, 2006·The Journal of the Acoustical Society of America·Tobias WurzbacherJörg Lohscheller
Nov 8, 2006·Annales d'oto-laryngologie et de chirurgie cervico faciale : bulletin de la Société d'oto-laryngologie des hôpitaux de Paris·A M'hiri ChaabouniF Ben Slimane
Jan 1, 2008·International Journal of Speech-language Pathology·Nelson Roy
Oct 26, 2018·Clinical Otolaryngology : Official Journal of ENT-UK ; Official Journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·Ewelina M Sielska-BadurekEwa Osuch-Wójcikiewicz
Jul 31, 2008·Journal of Speech, Language, and Hearing Research : JSLHR·Meike BrockmannMichael J Drinnan
Jun 5, 2007·The Laryngoscope·Arno OlthoffEberhard Kruse

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