Long-term follow-up of patients with spasmodic dysphonia and improved voice despite discontinuation of treatment

Geneid, A. (författare)

Lindestad, P. -A (författare)

Granqvist, Svante (författare): Karolinska Institutet,KTH,Grundläggande naturvetenskap

(creator_code:org_t)

2016-12-03
2017
Engelska.
Ingår i: Folia Phoniatrica et Logopaedica. - : S. Karger. - 1021-7762 .- 1421-9972. ; 68:3, s. 144-151

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Abstract Ämnesord

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Objective: To evaluate voice function in patients with adductor spasmodic dysphonia (AdSD) who discontinued botulinum toxin (BTX) treatment because they felt that their voice had improved sufficiently. Patients and Methods: Twenty-eight patients quit treatment in 2004, of whom 20 fulfilled the inclusion criteria for the study, with 3 subsequently excluded because of return of symptoms, leaving 17 patients (11 males, 6 females) included in this follow-up study. A questionnaire concerning current voice function and the Voice Handicap Index were completed. Audio-perceptual voice assessments were done by 3 listeners. The inter- and intrarater reliabilities were r > 0.80. Results: All patients had a subjectively good stable voice, but with differences in their audio-perceptual voice assessment scores. Based on the pre-/posttreatment auditory scores on the overall degree of AdSD, patients were divided into 2 subgroups showing more and less improvement, with 10 and 7 patients, respectively. The subgroup with more improvement had shorter duration from the onset of symptoms until the start of BTX treatment, and included 7 males compared to only 4 males in the subgroup with less improvement. Conclusion: It seems plausible that the symptoms of spasmodic dysphonia may decrease over time. Early intervention and male gender seem to be important factors for long-term reduction of the voice symptoms of AdSD.

Av författaren/redakt...: Geneid, A.; Lindestad, P. -A; Granqvist, Svant ...; Möller, R.; Södersten, M.

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