Guillain-Barré Syndrome (GBS) is an acute immune-mediated polyneuropathy that primarily affects the peripheral nerves. Following the Zika virus outbreak in LatinAmerica, all the Latin American and Brazilian studies conducted reported an increase in the incidence of GBS. The present study aims to characterize the clinical and demographic profile of patients with GBS, according to electrophysiological findings.
This is a clinical cohort study based on data from medical charts and interviews conducted at the homes of GBS cases identified by three data sources, admitted to and treated at a tertiary referral hospital between March 2017 and May 2019.
There was a high level of diagnostic certainty among the 51 GBS cases monitored, with most classified as exhibiting acute inflammatory demyelinating polyneuropathy (AIDP). The majority of the individuals were of working age, with an average schooling level. Diarrhea and upper respiratory tract infection were the previous events most reported. Most cases were admitted to the hospital unable to walk and the main complication identified was aspiration pneumonia.
The findings indicate the need to rethink the care of patients with GBS in order to minimize the possibility of future complications during hospitalization that may lead to unfavorable outcomes.

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