AI Article Synopsis
- A chikungunya fever outbreak in India began in December 2005, leading to a study at a hospital in Nagpur, Maharashtra, to analyze the clinical profile of the disease among 405 suspected cases from July to September 2006.
- Out of 166 serum samples tested, over half (52.4%) confirmed the presence of chikungunya virus antibodies, with fever and joint pain being the primary symptoms reported in all cases.
- The study also noted rare symptoms, such as lymphadenopathy and neurological issues, with a mortality rate of 3.4% among confirmed cases.
Article Abstract
Background & Objective: In India a chikungunya fever outbreak started in December 2005 when the country experienced more than 13 lakhs of chikungunya infected cases. We undertook this study to study detailed clinical profile of chikungunya fever in both indoor and outdoor patients in a tertiary care hospital in Nagpur, Maharashtra in 2006.
Methods: Suspected cases of chikungunya fever (n=405) during the period of July to September 2006, having clinical triad of fever, arthralgia and/or rashes were included in the study. Clinical profile was studied in all the cases. Of the 405 samples collected, 166 were tested for serum CHIK IgM antibodies.
Results: Of the 166 samples tested for CHIKV IgM antibodies, 87 (52.4%) were positive (confirmed cases). Male: female ratio was 2.3:1. Fever and arthralgia were present in all cases. Rash was present in 27 (31%) confirmed and 38 (12%) suspected cases. Lymphadenopathy was present in 12 (13.8 %) confirmed and 4 of suspected cases. Chronic polyarthritis was seen in 22 (25.3%) confirmed and 75 (23.6%) suspected cases. Neurological manifestations were observed in 08 (9%) confirmed and 10 (3.14%) suspected cases. Mortality was 7 (2.2%) in 318 suspected cases and 3 (3.4%) in 87 confirmed cases.
Interpretation & Conclusion: Our findings showed that about half of the serum samples for CHIKV IgM antibody tested positive from cases suspected to have chikungunya fever. Fever, joint pain and headache were major symptoms. Certain rare manifestations like lymphodenopathy, oral ulcers and encephalitis were also seen. Mortality in confirmed cases was about 3.4 per cent.
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