Abstract:
OBJECTIVE:To report 4 different neurological complications of H1N1 virus vaccination. METHOD:Four patients (9, 16, 37 and 69 years of age) had neurological symptoms (intracranial hypertension, ataxia, left peripheral facial palsy of abrupt onset, altered mental status, myelitis) starting 4-15 days after H1N1 vaccination. MRI was obtained during the acute period. RESULTS:One patient with high T2 signal in the cerebellum interpreted as acute cerebellitis; another, with left facial palsy, showed contrast enhancement within both internal auditory canals was present, however it was more important in the right side; one patient showed gyriform hyperintensities on FLAIR with sulcal effacement in the right fronto-parietal region; and the last one showed findings compatible with thoracic myelitis. CONCLUSION:H1N1 vaccination can result in important neurological complications probably secondary to post-vaccination inflammation. MRI detected abnormalities in all patients.
journal_name
Arq Neuropsiquiatrjournal_title
Arquivos de neuro-psiquiatriaauthors
Lessa R,Castillo M,Azevedo R,Azevedo F,Azevedo Hdoi
10.1590/0004-282x20140064subject
Has Abstractpub_date
2014-07-01 00:00:00pages
496-9issue
7eissn
0004-282Xissn
1678-4227pii
S0004-282X2014000700496journal_volume
72pub_type
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