Malaria in patients with sickle cell anaemia: burden, risk factors and outcome at the Laquintinie hospital, Cameroon

Autor: Ngo Linwa Esther Eleonore, Samuel Nambile Cumber, Eposse Ekoube Charlotte, Esuh Esong Lucas, Mandeng Ma Linwa Edgar, Claude Ngwayu Nkfusai, Meh Martin Geh, Budzi Michael Ngenge, Fala Bede, Nzozone Henry Fomukong, Henri Lucien Fouammo Kamga, Dora Mbanya
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: BMC Infectious Diseases, Vol 20, Iss 1, Pp 1-8 (2020)
Druh dokumentu: article
ISSN: 1471-2334
DOI: 10.1186/s12879-019-4757-x
Popis: Abstract Background It is believed that the current prevalence of malaria in endemic areas reflects selection for the carrier form of sickle cell trait through a survival advantage. Malaria has been incriminated as a great cause of mortality in people with sickle cell disease (SCD). However, people with SCD, a high-risk group, do not benefit from free or subsisized malaria prevention and treatment in Cameroon unlike other vulnerable groups which may be due to insufficient evidence to guide policy makers. This study aimed at describing clinical and socio-demographic characteristics of patients with malaria, determining the prevalence of malaria in hospitalized children and in those with SCD and without, compare frequency of presentation of malaria related complications (using clinical and laboratory elements that define severe malaria) between children admitted for malaria with SCD and those without and finally, determing the risk factors for death in children admitted for malaria. Methods This was a retrospective analysis of admission records of children age 1 to 18 years with a confirmed malaria diagnosis admitted at the Laquintinie Hospital during January 2015 through December 2018. Clinical features, laboratory characteristics and outcome of malarial infections, stratified by SCD status were studied. Patients with HIV infection, malnutrition, renal failure and discharged against medical advice were excluded from the study. Data were analysed using Epi-info 7 software and analysis done. Chi square test, Odds ratios, CI and student’s t test were used to determine association between variables. Statistical significance was set at p-value ≤0.05. Results The prevalence of malaria was lower among children with SCD than it was among children without SCD (23.5% vs 44.9%). Similarly, among those with a positive microscopy, the mean parasite density was significantly lower among children with SCD than it was among children without SCD (22,875.6 vs 57,053.6 parasites/ μl with t-value − 3.2, p-value 0.002). The mean hemoglobin concentration was lower in SCD as compared to non SCD (5.7 g/l vs 7.4 g/l, t-value − 12.5, p-value
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