Author: Martins-Filho, Paulo Ricardo; Pereira de Andrade, Ana Luiza; Pereira de Andrade, Ana Júlia; Moura da Silva, Maria Daniella; de Souza Araújo, Adriano Antunes; Nunes, Paula Santos; Santos, Victor Santana; Ferreira, Lis Campos; de Aquino Neves, Eduardo Luis; Quintans-Júnior, Lucindo José
Title: Miller Fisher Syndrome in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 Infection: A Systematic Review Cord-id: v8xsl0uu Document date: 2021_9_17
ID: v8xsl0uu
Snippet: BACKGROUND AND PURPOSE: Miller Fisher syndrome (MFS) is a subtype of Guillain-Barré syndrome characterized by the triad of ophthalmoparesis, areflexia, and ataxia. Although cases of MFS have been associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, no studies have synthesized the clinical characteristics of patients with this condition. METHODS: In this rapid systematic review, we searched the PubMed database to identify studies on MFS associated with SARS-CoV
Document: BACKGROUND AND PURPOSE: Miller Fisher syndrome (MFS) is a subtype of Guillain-Barré syndrome characterized by the triad of ophthalmoparesis, areflexia, and ataxia. Although cases of MFS have been associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, no studies have synthesized the clinical characteristics of patients with this condition. METHODS: In this rapid systematic review, we searched the PubMed database to identify studies on MFS associated with SARS-CoV-2 infection. RESULTS: This review identified 11 cases, of whom 3 were hospitalized with motor and/or sensory polyneuropathy as the first sign of SARS-CoV-2 infection. SARS-CoV-2 RNA was not detected in analyses of cerebrospinal fluid, suggesting a mechanism of immune-mediated injury rather than direct viral neurotropism. However, antiganglioside antibodies were found in only two of the nine patients tested. It is possible that target antigens other than gangliosides are involved in MFS associated with SARS-CoV-2 infection. CONCLUSIONS: The present patients exhibited clinical improvement after being treated with intravenous immunoglobulin. Although rare, patients with SARS-CoV-2 infection may present neurological symptoms suggestive of MFS. Early recognition of the MFS clinical triad is essential for the timely initiation of treatment.
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