Hematological profiles of malaria-infected patients in an endemic area of Peru

To evaluate the variation of hematological profiles of patients infected with uncomplicated Plasmodium vivax (Pv) and P. falciparum (Pf) malaria before, during and after treatment in a population of the Loreto region. This study was conducted between 2010 and 2012, in Zungarococha (Iquitos). The 425...

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Published inRevista peruana de medicina experimental y salud pública Vol. 39; no. 3; p. 336
Main Authors Pinedo-Cancino, Viviana, Arista, Katty M, Valle-Campos, Andree, Saavedra-Langer, Rafael, Roca, Cristian, Ramos-Rincón, José-Manuel, Calderón, Maritza, Branch, Oralee H
Format Journal Article
LanguageSpanish
English
Published Peru 01.07.2022
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Summary:To evaluate the variation of hematological profiles of patients infected with uncomplicated Plasmodium vivax (Pv) and P. falciparum (Pf) malaria before, during and after treatment in a population of the Loreto region. This study was conducted between 2010 and 2012, in Zungarococha (Iquitos). The 425 participants had three visits (visit 1-day 0-before treatment, visit 2-day 7-during treatment, visit 3-day 28-after treatment), complete blood count, microscopic and molecular diagnosis (PCR). At the first visit, 93 (21.9%) participants were found positive for Pv and 34 (8.0%) for Pf. All positives showed a reduction in hematocrit, white blood cell count (WBC), ablated and segmented neutrophils, eosinophils and platelets (p<0.001) compared to the negative group. A higher percentage of ablated neutrophils was found in Pf and segmented neutrophils in Pv compared to the negative group. Variations in hematological profiles were observed after treatment for both species; ablated neutrophils decreased, platelets increased, eosinophils increased at day 7 and declined at day 28, hematocrit and segmented neutrophils decreased at day 7 and normalized at day 28. Interspecies differences over time showed a bigger daily decrease in ablated neutrophils in Pv-infected when compared to Pf. The hematological profile in uncomplicated malaria-positive patients varies over time during and after treatment. These are indicators of disease progression and help in the therapeutic surveillance of Plasmodium-infected patients.
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ISSN:1726-4642
1726-4642
DOI:10.17843/rpmesp.2022.393.11908