Abstract
There have been reports from several countries that hepatitis E virus (HEV) infection is frequently associated with Guillain-Barré syndrome (GBS). This study aimed to determine the frequency of HEV infection associated with GBS in Japanese patients, and to clarify the clinical characteristics of these patients. Sera obtained from 63 patients with GBS or Miller Fisher syndrome (MFS) and 60 control subjects were examined for both HEV-IgM and HEV-IgG. Of the 63 patients, three were positive for both HEV-IgM and elevated hepatic enzymes: Two had GBS, and one had MFS. No control subjects were positive for HEV-IgM. Our study demonstrated that 4.8% of patients with GBS or MFS from our institution had associated acute HEV infection. There were no clinical differences between GBS with HEV infection and other GBS cases. To our knowledge, this is the first survey in Japan of HEV-associated GBS or MFS.
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