Spectrum of clinicopathological and biochemical variations among severe plasmodium vivax malaria cases: a vision from eastern India
Abstract
Background: Plasmodium vivax (P. vivax) is geographically widely distributed with up to 2.5 billion people at risk and an estimated 70-80 million cases every year. India contributes 77% of total malaria in Southeast Asia. Retrospective analysis of the burden of malaria showed that disability-adjusted life years due to malaria were 1.86 million years. According to a recent study, West Bengal contributes 11% of total malaria cases in the country.
Aim and objective: This study tends to focus on severe and non-severe vivax malaria, the complications and outcome of P. vivax malaria infections as there is very limited information on age- and sex-specific seasonal prevalence of malaria in different paradigms in the country with most of the point prevalence studies in India have been carried out for outbreak/epidemic investigations.
Materials and Methods: A hospital-based prospective study was conducted over a period of one and half years in a medical college and hospital comprising of 138patients with fever (≥37.5˚C), peripheral smear, and/or rapid diagnostic tests positive for P. vivax. Previously established cases of CKD, hematological abnormalities, chronic liver diseases, neuropsychiatric disorders were excluded from our study. Demographical, clinical and laboratory parameters including liver function test, renal function test were documented and were presented in tabular, graphical, and statistical means.
Observation and Results: 138 hundred patients were taken up for the study, which included males and females. The majority of the patients were in the second decade. Jaundice was present in 22% of patients and vomiting in 32% of the patients. Hepatomegaly was seen in 16 % of cases and 33% of cases had splenomegaly. ARDS was seen in 16% of severe malaria cases. Acute kidney injury was seen in 8% and cerebral malaria was seen in 12 % of severe malaria cases. Multi-organ dysfunction has seen in12 % of cases. There was 1 death in the study due to multi-organ dysfunction.
Conclusion: Life-threatening complications such as ARDS, AKI, cerebral malaria, and MODS can be seen in P. vivax mono infections.
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