A study of Acute Encephalitis Syndrome – Clinical profile, aetiology, and outcome


Original Article

Author Details : Shalin D Shah, Mayank A Patel*, Pranav B Joshi, Rakesh I Bharodiya, Sudhir V Shah

Volume : 7, Issue : 4, Year : 2021

Article Page : 283-287

https://doi.org/10.18231/j.ijmmtd.2021.058



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Abstract

Aim: We aimed to study the clinical profile and etiology of Acute Encephalitis Syndrome (AES) in a tertiary care centre of western India.
Materials and Methods: All patients evaluated by the neurology department, who fulfilled the standardised case definition for encephalitis (given by International Encephalitis Consortium) over 2 year period were screened. Routine laboratory investigations, CSF, Neuroimaging and EEG were done in all patients. Short term follow-up of one month was done to see the outcome.
Results : Out of total 85 patients of AES seen over two years; viral etiology was identified in 26 (30.5%) patients; 8 (9.4%) patients had autoimmune cause and in 53 (62.4%) patients, no specific ethology could be found. Long duration of symptom onset to hospitalisation, seizures, abnormal behaviour, involuntary movements (automatism, dyskinesia, or dystonia), and autonomic dysfunction favours a diagnosis of autoimmune encephalitis. At one month, good outcome (mRS <2> 2), out of which 29(34.1%) patients expired.
Conclusion: Viral encephalitis was the commonest cause of AES; followed by autoimmune encephalitis. Specific cause could not be ascertained in large number of patients, even after extensive evaluation. AES patients had prolonged hospital stay and significant morbidity and mortality.
 

Keywords: Acute Encephalitis Syndrome (AES), Viral Encephalitis, Autoimmune encephalitis


How to cite : Shah S D, Patel M A, Joshi P B, Bharodiya R I, Shah S V, A study of Acute Encephalitis Syndrome – Clinical profile, aetiology, and outcome. IP Int J Med Microbiol Trop Dis 2021;7(4):283-287


Copyright © 2021 by author(s) and IP Int J Med Microbiol Trop Dis. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (creativecommons.org)





Article History

Received : 27-09-2021

Accepted : 05-10-2021

Available online : 18-11-2021


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https://doi.org/10.18231/j.ijmmtd.2021.058


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