Serotonin bozuklukları ile çoklu sistem atrofisindeki klinik indeksler arasındaki korelasyonlar.

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Background and purposeMultiple system atrophy (MSA) is a neurodegenerative disease with characteristic motor and autonomic symptoms. Impaired brain serotonergic innervation can be associated with various clinical indices of MSA; however, the relationship between clinical symptoms and cerebrospinal fluid (CSF) levels of 5-hydroxyindole acetic acid (5-HIAA), a main serotonin metabolite, has not been fully elucidated.MethodsTo compare CSF 5-HIAA levels between patients with MSA and healthy controls, we included 33 controls and 69 MSA patients with either predominant parkinsonian or cerebellar ataxia subtypes. CSF 5-HIAA levels were measured using high-performance liquid chromatography. Additionally, we investigated correlations between CSF 5-HIAA and various clinical indices in 34 MSA patients.ResultsCSF 5-HIAA levels were significantly lower in MSA patients than in controls (p ConclusionsSerotonin dysfunction, as assessed by CSF 5-HIAA levels, may implicate greater MSA severity.

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