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  1. Article ; Online: Malaria in indigenous and non-indigenous patients aged under 15 years between 2007-2018, Amazonas state, Brazil.

    Aguiar, Mateus Ferreira de / Meireles, Bruna Martins / Monteiro, Wuelton Marcelo / Gonçalves, Maria Jacirema Ferreira

    Revista da Sociedade Brasileira de Medicina Tropical

    2022  Volume 55, Page(s) e06172021

    Abstract: Background: Malaria is a serious problem in children because the immune system is less developed, thus, causing more severe symptoms. This study aimed to identify factors associated with malaria in indigenous and non-indigenous patients aged under 15 ... ...

    Abstract Background: Malaria is a serious problem in children because the immune system is less developed, thus, causing more severe symptoms. This study aimed to identify factors associated with malaria in indigenous and non-indigenous patients aged under 15 years in Amazonas, Brazil, from 2007 to 2018.
    Methods: An epidemiological, quantitative, cross-sectional study was conducted. Cases included patients aged under 15 years, using data from health system notifications between 2007 and 2018 in the state of Amazonas, Brazil. The variables included clinical-epidemiological, laboratory findings, and monitoring of cases. The outcome was ethnicity: indigenous, non-indigenous, and entries for which no ethnicity data were provided. A multivariable logistic regression model was used to compare the indigenous and non-indigenous populations.
    Results: Among malaria cases in patients aged under 15 years, there was a greater chance of being indigenous and having the following associated factors: female sex, children aged 0-4 years, passive case surveillance, a high load of parasitemia and the lack of data regarding the level of parasitemia, Plasmodium falciparum infections were more frequent, and timeliness of treatment, i.e., the interval between the onset of symptoms and time of treatment was within 48 hours.
    Conclusions: The factors associated with malaria are more frequent in indigenous populations and highlight differences according to ethnicity, suggesting that the severity of the disease is attributable to the increased number of malarial infections within this population. As a result, malaria has a greater impact on the health of indigenous people.
    MeSH term(s) Child ; Humans ; Female ; Brazil/epidemiology ; Parasitemia ; Cross-Sectional Studies ; Malaria/epidemiology ; Malaria, Falciparum/epidemiology
    Language English
    Publishing date 2022-10-21
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 1038126-0
    ISSN 1678-9849 ; 0037-8682
    ISSN (online) 1678-9849
    ISSN 0037-8682
    DOI 10.1590/0037-8682-0617-2021
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Factors associated with malaria in indigenous populations: A retrospective study from 2007 to 2016.

    Meireles, Bruna Martins / de Souza Sampaio, Vanderson / Monteiro, Wuelton Marcelo / Gonçalves, Maria Jacirema Ferreira

    PloS one

    2020  Volume 15, Issue 10, Page(s) e0240741

    Abstract: Background: In Brazil malaria is most frequent in the Amazon region, mainly in the Amazonas state, where it is found the most proportion of indigenous people of the whole country. It is remarkable publications about malaria in the Amazon, although ... ...

    Abstract Background: In Brazil malaria is most frequent in the Amazon region, mainly in the Amazonas state, where it is found the most proportion of indigenous people of the whole country. It is remarkable publications about malaria in the Amazon, although information on malaria in indigenous populations is still poorly explored.
    Objective: Identify factors associated with malaria in indigenous populations.
    Methods: Cross-sectional study of positive cases of malaria in the state of Amazonas, Brazil, from 2007 to 2016. Secondary data were obtained from the Epidemiological Surveillance Information System for Malaria and from the Mortality Information System, both from Brazil. To tackle with race missing data, cases with no race fulfilled were classified according to the probable location where infection occurred. This way, was imputed indigenous race for those which the probable infection location was indigenous village (aldeia). Variables tested with race were: sex, age, schooling, microscope surveillance slide type, parasitic infection species, parasitemia level, and timeliness of treatment. Multivariate logistic regression was used.
    Results: A total of 1,055,852 cases of malaria were notified in the state of Amazonas. Among the factors that associate malaria and indigenous peoples, the most significant were sex, children and high levels of parasitemia. The magnitude of Plasmodium vivax infection is higher than Plasmodium falciparum, although this parasite was more frequent in indigenous than other races. In regards to mortality, 109 deaths were registered, most of them related to P. vivax.
    Conclusion: The findings underscore the importance of look at indigenous people differently of other races. The associated factors highlight a profile of cases severity, because of highest parasitemia, many cases of P. falciparum although high frequency of P. vivax, and children. Furthermore, the mortality in indigenous, specially in older people is worrying.
    MeSH term(s) Adolescent ; Adult ; Brazil/epidemiology ; Child ; Child, Preschool ; Humans ; Indigenous Peoples/statistics & numerical data ; Infant ; Malaria/epidemiology ; Malaria/mortality ; Middle Aged ; Retrospective Studies ; Self Report ; Young Adult
    Language English
    Publishing date 2020-10-21
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ISSN 1932-6203
    ISSN (online) 1932-6203
    DOI 10.1371/journal.pone.0240741
    Database MEDical Literature Analysis and Retrieval System OnLINE

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