Flammer syndrome and autoimmune inflammatory conditions of the central nervous system: multifactorial interrelations

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Item Type:	Article
Title:	Flammer syndrome and autoimmune inflammatory conditions of the central nervous system: multifactorial interrelations
Creators Name:	Paul, F.
Abstract:	Multiple sclerosis (MS) is the most frequent autoimmune inflammatory and neurodegenerative central nervous system disorder that affects mostly young females and manifests with transient or irreversible neurologic dysfunction caused by demyelination and subsequent axonal transection and neuronal demise. Besides genetic susceptibility, environmental risk factors play a causative role. Although the exact immunopathogenesis has not been fully clarified, the condition is – albeit incurable – amenable to treatment with immunomodulatory drugs. Structural and functional changes in the brain and retinal vasculature in MS causing cerebral hypoperfusion may be a potential pathophysiological link with Flammer Syndrome (FS). However, only one study thus far has systematically investigated the co-occurrence of MS and FS and has shown that multiple symptoms and signs considered as characteristic of FS occur more often in MS patients than in unselected controls. While there is some overlap in symptomatology and clinical findings between the 2 conditions, this does not imply causality, but this preliminary observation should trigger more research on pathophysiological commonalities and clinical course of patients who are eventually diagnosed with both disorders. Susac Syndrome (SuS) is a very rare presumably immune mediated central nervous system disease that affects microvessels in the brain, the retina and the inner ear. This may cause secondary vascular dysregulation and thus signs and symptoms of FS, while it was also proposed that FS may predispose to SuS. However, as in MS assumptions on a potential association of SuS with FS are still poorly supported by rigorous data.
Keywords:	Multiple Sclerosis, Flammer Syndrome, Neuroinflammation, Autoimmunity, Demyelination, Neurodegeneration, Vasculature, Perfusion, Vascular Dysregulation, Personalized and Predictive Medicine
Source:	Advances in Predictive, Preventive and Personalised Medicine
Series Name:	Advances in Predictive, Preventive and Personalised Medicine
Title of Book:	Flammer Syndrome
ISSN:	2211-3495
ISBN:	978-3-030-13549-2
Publisher:	Springer
Volume:	11
Page Range:	145-163
Date:	2019
Official Publication:	https://doi.org/10.1007/978-3-030-13550-8_9

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