Factors Contributing to Anaemia after Uncomplicated Falciparum Malaria in under Five Year-Old Nigerian Children Ten Years Following Adoption of Artemisinin-Based Combination Therapies as First-Line Antimalarials

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dc.contributor.authorFolarin, Onikepe
dc.date.accessioned2022-05-09T08:46:52Z
dc.date.available2022-05-09T08:46:52Z
dc.date.issued2017
dc.description.abstractBackground: Artemisinin-based combination therapies (ACTs) have remained efficacious treatments of acute falciparum malaria in many endemic areas but there is little evaluation of factors contributing to the anaemia of acute falciparum malaria following long term adoption of ACTs as first-line antimalarials in African children. Methods: Malarious 4% were evaluated by stepwise multiple logistic regression models. Survival analysis and kinetics of DAFH were evaluated by Kaplan-Meier estimator and non-compartment model, respectively Results: Pre-treatment, 355 of 959 children were anaemic. Duration of illness >2 days and parasitaemia ≤10,000 μL −1 were independent predictors of anaemia pre-treatment. EAA occurred in 301 of 604 children. Predictors of EAA were age ≤ 15 months, history of fever pre-treatment and enrolment haematocrit ≤35%. The probabilities of progression from normal haematocrit to EAA were similar for all treatments. MAFH >4% occurred in 446 of 694 children; its predictors were anaemia pre-treatment, enrolment parasitaemia ≤50,000 μL −1 , parasitaemia one day post-treatment initiation and gametocytaemia. DAFH >4% occurred in 334 of 719 children; its predictors were history of fever pre-and fever 1 day post-treatment initiation, haematocrit ≥37%, and parasitaemia >100,000 μL −1 . In 432 children, declines in DAFH deficits were monoexponential with overall estimated half-time of 2.2d (95% CI 1.9–2.6). Area under curve of deficits in DAFH versus time and estimated half-time were significantly higher in non-anaemic children indicating greater loss of haematocrit in these children. Conclusion: After ten years of adoption of ACTs, anaemia is common pre-and early post-treatment, falls in haematocrit attributable to a single infection is high, and DAFH >4% is common and significantly lower in anaemic compared to non-anaemic Nigerian childrenen_US
dc.identifier.urihttp://dspace.run.edu.ng:8080/jspui/handle/123456789/2834
dc.language.isoenen_US
dc.publisherBMC Infectious Diseasesen_US
dc.titleFactors Contributing to Anaemia after Uncomplicated Falciparum Malaria in under Five Year-Old Nigerian Children Ten Years Following Adoption of Artemisinin-Based Combination Therapies as First-Line Antimalarialsen_US
dc.typeArticleen_US
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