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Parasitemia and hemoglobin level in patients confected with Plasmodium vivax and intestinal geohelminthiasis in Itaituba, gold mine area of the Pará state

Thais Hetierre Abreu Monteiro 1 ; Darci Rodrigues da Silva 2 ; Rogério Gomes Brandão 2 ; Pedro Miguel Santos Ferreira 2 ; Shirlei Ferreira Oliveira 2 ; Isabela Carolina de Oliveira Silva 3 ; Tamirys Pina Simão ; Rafaele Procopio Oliveira 2 ; Ana Maria Revoredo Ventura 2 ; Johannes Enk Martin 2 ; Ricardo Luiz Dantas Machado
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Introduction: Coinfection between Plasmodium and helminths is prevalent in tropical countries and reports that helminth infected individuals are susceptible to malaria. Objective: To analyse the parasitemia account and the hemoglobin level of patients coinfected with Plasmodium vivax (PV) and Intestinal Geohelminthiasis (GH). Material and Methods: Descriptive, analytical and cross-sectional research, realized in Itaituba– Pará. The thick blood film was used for the malaria diagnosis, Kato-Katz technique for the parasitological investigation and hemoglobin level by automated procedure. During March to December of 2016, 207 participants were included and grouped into: Group I- positive for PV and GH; Group II- negative for PV and positive for GH; Group III - Positive individuals for PV and negative for GH and Group IV- negative clients for the two infections. Mann-Whitney, Kruskal-Wallis and the linear correlation of Person for the statistical analysis were used, the level of significance was 95% (p <0.05). Results: Of the 207 (100.0%) members, 14 (6.8%) belong to Group I; 27 (13.0%) to II; 46 (22.2%) to III and 120 (58.0%) to IV. The variation of parasitemia in Groups I and III was from 500 to 40000 and from 30 to 60000 parasites/mm³ respectively and the levels of hemoglobin of Group I; II; III and IV ranged from 12 to 17; 13 to 18; 10 to 17.1 and 10.3 to 18.3 g/dL concomitantly. Among the participants 41 (100.0%) were parasitized by GH, of these 40 (97.6%) infected by Hookworms and 01 (2.4%) Hookworms and Ascaris lumbricoides. There was no statistically significant difference between Group I and Group III (p = 0.2312), nor with hemoglobin levels ascertained between Groups I, II, III and IV (p = 0.2869) neither parasitemia and hemoglobin level in Group I (p = 0.5085) versus Group III (p = 0.4554). Conclusion: In the studied population, the co-infection between malaria vivax and geohelminthiasis shows no variation in anemia or parasite load. We reinforce here the need of the further investigation.