Αρχειοθήκη ιστολογίου

Τρίτη 5 Δεκεμβρίου 2017

Intestinal permeability and Ménière's disease

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Publication date: Available online 5 December 2017
Source:American Journal of Otolaryngology
Author(s): F. Di Berardino, E. Ciusani, C. Caccia, V. Leoni, U. De Grazia, E. Filipponi, D. Zanetti, L. Elli
PurposeMénière disease (MD) is a multifactorial chronic disabling condition characterized by episodic vertigo, ear fullness, and hearing loss. MD patients often complain of aspecific gastrointestinal symptoms associated with autonomic dysregulation, frequently outweighed by the otological manifestations. Dietary modifications have been reported to improve the typical MD symptoms in some cases. Our purpose was to test the urinary levels of lactulose and mannitol (double sugar test) and the fecal calprotectin, both markers of altered intestinal permeability, in subjects with definite MD in an active and inactive stage.Materials and methodsTwenty-six with definite unilateral MD were studied: 14 patients were symptomatic for at least 3months with moderate to severe vertigo spells and a functional level ≥4; 12 patients had been asymptomatic (no vertigo spells) for at least 3months and had a functional level=1 at the time of testing. Twenty healthy volunteers were recruited as "control group".ResultsLactulose and mannitol absorption was significantly increased in the symptomatic M patients compared to the asymptomatic group (p<0.02 and p<0.004, respectively) and to the controls. FC were also higher than normal only in the symptomatic group. (p<0.01).ConclusionsAn altered intestinal permeability, according to the two assays, was found only in symptomatic MD patients. The rationale for a possible relationship between MD and intestinal permeability is forwarded. The double-sugar test and FC quantification might be implemented in the MD diagnostic workup.



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