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- W4386989189 abstract "Obsessive-compulsive disorder (OCD) and Tourette syndrome (TS) are related mental disorders that share genetic, neurobiological, and phenomenological features. Pediatric autoimmune neuropsychiatric disorder associated with streptococcal infections (PANDAS) is a neuropsychiatric autoimmune disorder with symptoms of OCD and/or TS associated with streptococcal infections. Therefore, PANDAS represents a strong link between OCD, TS, and autoimmunity. Notably, cerebrospinal fluid (CSF) analyses can provide insight into the central nervous processes in OCD, TS, and PANDAS. A systematic literature search according to the PRISMA criteria was conducted to collect all CSF studies in patients with OCD, TS, and PANDAS. The total number of cases and the heterogeneity of the low number of studies were not sufficient for a meta-analysis to provide a high level of evidence. Nevertheless, meta-analytical statistics could be performed for glutamate, 5-hydroxyindoleacetic acid (degradation product of serotonin), homovanillic acid (degradation product of dopamine), 3-methoxy-4-hydroxyphenylglycol (major metabolite of noradrenaline), and corticotropin-releasing hormone (CRH) in OCD. A risk-of-bias assessment was implemented using the Cochrane ROBINS-E tool. Meta-analytical testing identified elevated glutamate levels in the CSF of OCD patients compared with healthy controls, while no significant differences were found in other neurotransmitters or CRH. Single studies detected novel neuronal antibodies in OCD patients and elevated oligoclonal bands in TS patients. For TS and PANDAS groups, there was a dearth of data, with only two CSF studies being available for patients with PANDAS. Risk of bias assessment indicated a substantial risk of bias in most of the included studies. This systematic review of available CSF data shows that too few studies are currently available for conclusions with good evidence. The existing data indicates glutamate alterations in OCD and possible immunological abnormalities in OCD and TS. More CSF studies avoiding sources of bias are needed." @default.
- W4386989189 created "2023-09-24" @default.
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- W4386989189 date "2023-09-01" @default.
- W4386989189 modified "2023-10-01" @default.
- W4386989189 title "Cerebrospinal fluid findings in patients with obsessive–compulsive disorder, Tourette syndrome, and PANDAS: A systematic literature review" @default.
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- W4386989189 doi "https://doi.org/10.1016/j.bbi.2023.09.016" @default.
- W4386989189 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37748568" @default.
- W4386989189 hasPublicationYear "2023" @default.
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