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BMC Infect Dis ; 21(1): 507, 2021 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-34059017

RESUMO

BACKGROUND: Hematological abnormalities are common features in falciparum malaria but vary among different populations across countries. Therefore, we compared hematological indices and abnormalities between Plasmodium falciparum-infected patients and malaria-negative subjects in Kosti city of the White Nile State, Sudan. METHODS: A comparative, cross-sectional study was conducted at the Clinical Laboratory Unit of Kosti Teaching Hospital from June to December 2018. A total of 392 participants (192 P. falciparum-infected patients and 200 malaria-negative subjects) were recruited in the study. Hematological indices of hemoglobin (Hb), red blood cells (RBCs), white blood cells (WBCs) and platelets were measured, and their median values were statistically compared. RESULTS: The majority of P. falciparum-infected patients (67.6%) showed a low-level parasitemia. The median values of Hb concentration, RBC count, mean corpuscular volume (MCV), mean corpuscular Hb (MCH) and mean corpuscular Hb concentration (MCHC) were significantly lower in P. falciparum-infected patients, while the median red cell distribution width (RDW) was significantly higher in the patients compared to malaria-negative subjects. Anemia, low MCV, low MCH, low MCHC and high RDW were significantly associated with falciparum malaria, but parasitemia level was not significantly associated with anemia severity. The median total WBC count was non-significantly higher in P. falciparum-infected patients, with neutropenia being significantly associated with falciparum malaria. The median platelet count was significantly lower in P. falciparum-infected patients, with thrombocytopenia being significantly associated with falciparum malaria. CONCLUSIONS: Falciparum malaria among patients in Kosti city of the White Nile State, Sudan is predominantly of low-level parasitemia. It is significantly associated with anemia, low MCV, low MCH, low MCHC, high RDW, thrombocytopenia and neutropenia. However, parasitemia level is not a significant predictor of anemia severity. On the other hand, leucopenia is not useful to predict falciparum malaria. Further large-scale studies in community and healthcare settings and inclusion of patients with complicated or severe malaria and those with high parasite densities are recommended.


Assuntos
Malária Falciparum/sangue , Adolescente , Adulto , Anemia/sangue , Anemia/parasitologia , Criança , Pré-Escolar , Estudos Transversais , Feminino , Testes Hematológicos , Humanos , Lactente , Leucopenia/sangue , Leucopenia/parasitologia , Malária Falciparum/parasitologia , Masculino , Pessoa de Meia-Idade , Parasitemia/sangue , Parasitemia/parasitologia , Plasmodium falciparum , Trombocitopenia/sangue , Trombocitopenia/parasitologia , Adulto Jovem
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