Drinking water quality in Brazilian urban slums

Handam, Natasha Berendonk; Santos, José Augusto Albuquerque dos; Neto, Antonio Henrique Almeida de Moraes; Alencar, Maria de Fátima Leal; Ignacio, Caroline Ferraz; Sotero-Martins, Adriana

doi:10.4136/ambi-agua.2532

Cited by 8 publications

(9 citation statements)

References 8 publications

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“…Although most residents claimed to have "piped water or water supplied by the public system" in their households, this does not ensure that the water is free of environmental contamination 19 . Our results corroborated the study conducted in the city of Jimma, Ethiopia 3 , which identified an association between IPIs prevalence and the source of water for consumption.…”

Section: Discussionmentioning

confidence: 99%

“…The CFM is an area with socio-environmental vulnerabilities and its Human Development Index is among the lowest in Rio de Janeiro city 19 . In 2017, there were about 17,000 households and 42,000 inhabitants, of which 14,137 were male and aged 20 to 59 year saccording to the Prime Saude software (version 2.1.87, Eco Empresa de Consultoria e Organizacao em Sistemas e Editoracao Ltda., Rio de Janeiro, RJ, Brazil).…”

Section: Study Scenariomentioning

confidence: 99%

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Prevalence of intestinal parasitic infections versus knowledge, attitudes and practices of male residents in Brazilian urban slums: a cross-sectional study

Bordignon

Paulino

Silva

et al. 2022

Rev. Inst. Med. trop. S. Paulo

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Intestinal parasitic infections (IPIs) are neglected diseases caused by helminths and protozoa, with the relationships between parasite, host and environment having the potential to produce high morbidity and incapacity to work and mortality in vulnerable areas. This study assessed the prevalence of IPIs concerning socio-environmental conditions and analyzed the knowledge, attitudes and practices related to these diseases among men living in the slums of Rio de Janeiro city, Rio de Janeiro State, Brazil. A cross-sectional study was conducted in an agglomeration of urban slums between 2018 and 2019, with men aged between 20 and 59 years. A socioeconomic status questionnaire and an IPIs knowledge, attitudes and practices questionnaire (KAPQ) were applied. Coproparasitological diagnoses (n=454) were performed using four methods and samples of water for household consumption (n=392) were subjected to microbiological and physicochemical analysis. A total of 624 participants were enrolled. About 40% of the households had "water unsuitable for consumption". Only one Major Area, MA 3 was not statistically significant for IPIs (AOR=0.75; 95% CI: 0.30-1.88; p=0.55). The overall prevalence of IPIs was 23.8%. Endolimax nana (n=65, 14.3%) and hookworm (n=8, 1.7%) were the most frequently identified parasites. The analysis of the frequency of responses to the KAPQ has shown that men reported to seeking medical care if they were suspicious of IPIs, and around 35% would self-medicate. The results have shown the need to adopt integrated health education practices targeting male residents in urban slums to qualify the care with water for human consumption and promote self-care about IPIs. The household can be considered strategic for Primary Health Care activities for men.

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Section: Discussionmentioning

confidence: 99%

Section: Study Scenariomentioning

confidence: 99%

Prevalence of intestinal parasitic infections versus knowledge, attitudes and practices of male residents in Brazilian urban slums: a cross-sectional study

Bordignon

Paulino

Silva

et al. 2022

Rev. Inst. Med. trop. S. Paulo

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“…The physical-chemical and coliform analysis were conducted as described by Handam et al (2020) and according to Standard Methods for the Examination of Water and Wastewater (APHA et al, 2012). In the coliform analysis, the levels of total coliforms (TC) and Escherichia coli (EC) were evaluated, as described by Sotero-Martins et al (2017), through the filter membrane methodology, with chromogenic substrate.…”

Section: Methodsmentioning

confidence: 99%

Quality of raw water in the Guandu Basin of Rio de Janeiro state during water crisis of 2020

et al. 2021

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At the beginning of 2020, about 9 million inhabitants of the Metropolitan Region of Rio de Janeiro, dependent on the Guandu Basin, experienced a water-supply crisis when their water tasted badly and gave off an odor. This work presents the results of analyses of the sanitary quality of raw water in this system at two different times during the water crisis, with respect to the presence of cyanobacteria found using metagenomic studies, and cyanotoxins, microcystin (MC) and saxitoxin (SXT) quantified by ELISA. Analyses of raw water quality parameters were carried out through the determination of total coliforms and Escherichia coli levels and some physical-chemical parameters. The raw water collected in both periods presented levels of Escherichia coli levels above the maximum allowed values (MAV) described in Resolution 357/2000 of the National Environmental Agency, as well as the levels of MC in a filter sample. The physical-chemical parameters analyzed and the SXT levels were in accordance with this resolution. The most abundant cyanobacterial genus in the critical period was Planktothricoides sp. Therefore, it is necessary to implement basic sanitation in cities upstream from the point of capture of raw water from this source, so that events similar to those that occurred in the 2020 water crisis do not recur.

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“…RJ, which is composed of 92 municipalities, is the third most populous state in Brazil. The city of Rio de Janeiro, which is the RJ capital, is the second most populous city in the country, with more than 6.7 million inhabitants; among them, 1.4 million inhabitants (22% of its population) live in informal settlements or slums 11 .…”

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confidence: 99%

“…Slums are areas with poor infrastructure, lack of adequate sanitation, crowded populations, and poor personal hygiene and housing conditions, leaving the population more vulnerable to social inequalities and diseases 11 .…”

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confidence: 99%

Trends in primary multidrug-resistant tuberculosis in the State of Rio de Janeiro: a retrospective study conducted during 2000-2019

Bhering

Kritski

2021

Rev. Soc. Bras. Med. Trop.

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Drinking water quality in Brazilian urban slums

Cited by 8 publications

References 8 publications

Prevalence of intestinal parasitic infections versus knowledge, attitudes and practices of male residents in Brazilian urban slums: a cross-sectional study

Prevalence of intestinal parasitic infections versus knowledge, attitudes and practices of male residents in Brazilian urban slums: a cross-sectional study

Quality of raw water in the Guandu Basin of Rio de Janeiro state during water crisis of 2020

Trends in primary multidrug-resistant tuberculosis in the State of Rio de Janeiro: a retrospective study conducted during 2000-2019

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