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[Multiple system atrophy speech assessment: study of five cases].

Denise Botelho Knopp¹, Orlando G Povoas Barsottini, Henrique Ballalai Ferraz

¹Setor de Distúrbios do Movimento, Disciplina de Neurologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, Brazil. denise_knopp@yahoo.com.br

Arquivos De Neuro-Psiquiatria

|September 24, 2002

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Multiple system atrophy (MSA) diagnosis can be suggested by early dysarthria. MSA patients exhibit mixed dysarthrophonia with predominant hypokinetic, ataxic, and spastic speech components, differing from Parkinson's disease.

Area of Science:

Neurology
Speech-Language Pathology

Background:

Multiple system atrophy (MSA) presents with parkinsonian, cerebellar, pyramidal, and autonomic dysfunction.
Early onset of dysarthria within the first year of parkinsonian syndrome manifestation is indicative of MSA.

Observation:

This study assessed voice and speech in five MSA patients (mean age 51.2 years).
Assessments included neurological examination, clinical interview, myofunctional examination, and perceptual speech evaluation.
Speech and voice complaints appeared approximately 1.1 years after motor symptom onset.

Findings:

All MSA patients presented with mixed dysarthrophonia.
Hypokinetic, ataxic, and spastic components were present in all patients, with hypokinetic features predominating.
This contrasts with Parkinson's disease, typically showing only hypokinetic components.

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Implications:

Specific speech and voice assessments are crucial for diagnosing MSA.
These assessments aid in selecting appropriate management strategies for MSA patients.
Characterizing speech patterns can help differentiate MSA from other parkinsonian syndromes.