Viral Etiology in Acute Encephalitis Syndrome in North Indian Children
Journal Title: Journal of Clinical Immunology & Microbiology - Year 2022, Vol 3, Issue 2
Abstract
Background and Objective: Acute Encephalitis Syndrome (AES) leads to significant mortality and morbidity in children. This study was undertaken to identify the viral causes of AES and its correlation with clinicodemographic profile. Methods: This cross-sectional study included 100 children aged 1 to 12 years presenting with fever of <14 days duration and a change in mental status (including symptoms such as confusion, disorientation, coma, or inability to talk) and/or new onset of seizures (excluding simple febrile seizures) [1]. Cerebrospinal Fluid (CSF) was collected aseptically by lumbar puncture for biochemical and cytological analysis, and for bacteriological culture. Multiplex PCR for the viruses HSV1, HSV2, Varicella zoster virus, Enterovirus, Mumps and Parecho virus was carried out. Serology for Japanese Encephalitis (JE) was done in blood and CSF by ELISA method. Dengue NS1 antigen and IgM ELISA was carried out in both blood and CSF samples. Serum IgM antibody for scrub typhus was done by ELISA method. Results: Out of 100 children viral cause was detected in 21 patients (Japanese encephalitis -16, Dengue – 4, Varicella zoster virus, Enterovirus and Mumps virus – 1 each). Serum IgM ELISA for scrub typhus was positive in 6 patients. Multiple viral etiology was seen in 2 patients. Mortality was significantly more in females (p=0.021), GCS <8 (p <0.001). Mortality was significantly more with higher CSF neutrophils and higher proteins (p<0.05). Interpretation and Conclusion: This study concludes that viral causes specially JE contributed in AES in North India. Hence viral pathogens including JE needs to be considered as one of major causative agents while treating patients of AES and further emphasis has to be given for JE vaccination in this region.
Authors and Affiliations
Arunkumar M, Anju Aggarwal, Aaradhana Singh, Rajeev Thakur, NP Singh, Prerna Batra, Rajeev Malhotra
Keywords
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- EP ID EP705424
- DOI https://doi.org/10.46889/JCIM.2022.3203
- Views 74
- Downloads 0
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