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Botulinum toxin injections for essential voice tremor
KTH, Tidigare Institutioner                               , Talöverföring och musikakustik.ORCID-id: 0000-0003-4129-9793
2000 (Engelska)Ingår i: Annals of Otology, Rhinology and Laryngology, ISSN 0003-4894, E-ISSN 1943-572X, Vol. 109, nr 2, s. 204-209Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Fifteen patients, 13 women and 2 men, with a mean age of 72.7 years (56 to 86 years) and a clinical diagnosis of essential voice tremor, were treated with botulinum injections to the thyroarytenoid muscles, and in some cases, to the cricothyroid or thyrohyoid muscles. Evaluations were based on subjective judgments by die patients, and on perceptual and acoustic analysis of voice recordings. Subjective evaluations indicated that the treatment had a beneficial effect in 678 of the patients. Perceptual evaluations showed a significant decrease in voice tremor during connected speech (p < .05). Acoustic analysis showed a nearly significant decrease in the fundamental frequency variations (p = .06) and a significant decrease in fundamental frequency during sustained vowel phonation (p <. 01). The results of perceptual evaluation coincided most closely with the subjective judgments. It was concluded that the treatment was successful in 50% to 65% of the patients, depending on the method of evaluation.

Ort, förlag, år, upplaga, sidor
2000. Vol. 109, nr 2, s. 204-209
Nyckelord [en]
acoustic analysis, botulinum toxin, perceptual evaluation, voice tremor, vocal tremor, activation, dysphonia, disorders, quality, vibrato, muscles
Identifikatorer
URN: urn:nbn:se:kth:diva-19528ISI: 000085257800016OAI: oai:DiVA.org:kth-19528DiVA, id: diva2:338220
Anmärkning
QC 20100525Tillgänglig från: 2010-08-10 Skapad: 2010-08-10 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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