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VOLUME 18 , ISSUE 7 ( July, 2014 ) > List of Articles
M Dhanaraj, Ayan Kar, Devaprasad Dedeepiya, K Harikrishna
Keywords : Acute encephalitis syndrome, multidisciplinary care, renal involvement, scrub typhus
Citation Information : Dhanaraj M, Kar A, Dedeepiya D, Harikrishna K. Acute encephalitis syndrome following scrub typhus infection. Indian J Crit Care Med 2014; 18 (7):453-455.
License: CC BY-ND 3.0
Published Online: 01-07-2014
Copyright Statement: Copyright © 2014; Jaypee Brothers Medical Publishers (P) Ltd.
Objective: The aim was to find the incidence of acute encephalitis syndrome (AES) secondary to scrub infection and to observe the clinical, biochemical, radiological profile, and outcomes in these patients. Materials and Methods: A total of 20 consecutive patients of AES were evaluated for scrub infection using scrub typhus immunoglobulin M enzyme linked immuno-sorbant assay positivity along with the presence or absence of an eschar. Clinical profile, routine laboratory tests, cerebrospinal fluid (CSF) analysis, and neuroimaging were analyzed. Patients were treated with doxycycline and followed-up. Results: Among 20 consecutive patients with AES, 6 (30%) were due to scrub infection. They presented with acute onset fever, altered sensorium, seizures. \"Eschar\" was seen in 50% of patients. CSF done in two of them was similar to consistent with viral meningitis. Magnetic resonance imaging brain revealed cerebral edema, bright lesions in the putamen and the thalamus on T2-weighted and fluid-attenuated inversion recovery sequences. Renal involvement was seen in all patients. All patients responded well to oral doxycycline. Conclusion: AES is not an uncommon neurological presentation following scrub typhus infection. It should be suspected in all patients with fever, altered sensorium, and renal involvement. Oral doxycycline should be started as early as possible for better outcomes.
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