Filariose linfática em Belém, Estado do Pará, Norte do Brasil e a perspectiva de eliminação

Fontes, Gilberto; Braun, Reinaldo F.; Neto, Habib Fraiha; Vieira, João Batista; Padilha, Saturnino S.; Rocha, Raimundo Cândido; Rocha, Eliana Maria Maurício da

doi:10.1590/s0037-86822005000200001

Cited by 20 publications

(10 citation statements)

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“…Examination of 92,000 people in 2002 and 72,000 in 2003 showed no mf-positive cases and dissection of 25,000 C . quinquefasciatus during these 2 years showed no vector infection (Fontes et al 2005), indicating that transmission in this focus had been or was close to be interrupted.…”

Section: Studies On Lf In the Urban Environmentmentioning

confidence: 96%

Urban lymphatic filariasis

Simonsen

Mwakitalu

2012

Parasitol Res

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Lymphatic filariasis (LF) is a disabling and disfiguring disease resulting from a mosquito-borne parasitic infection. It is a major public health problem in many countries with a warm climate. Research and control activities have mainly focused on LF in rural areas where it also has its major impact. However, with rapid and unplanned growth of cities in the developing world, there is a need also to consider LF transmission and control in urban settings. Here, we review currently available knowledge on urban LF and the environmental and socio-economic basis for its occurrence. Among the three parasite species causing LF in humans, only Wuchereria bancrofti has been documented to have a significant potential for urban transmission. This is primarily because one of its vectors, Culex quinquefasciatus, thrives and proliferates excessively in crowded city areas with poor sanitary, sewerage and drainage facilities. For this reason, urban LF also often shows a marked focality in distribution, with most cases clustered in areas inhabited by the less privileged city populations. More knowledge on urban LF is needed, in particular on its socio-economic and human behavioural context, on the potential for transmission in regions where other LF vector species predominate, and on rapid methods for identification and mapping of risk areas, to provide a strong evidence base for its control.

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Section: Studies On Lf In the Urban Environmentmentioning

confidence: 96%

Urban lymphatic filariasis

Simonsen

Mwakitalu

2012

Parasitol Res

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“…Microfilaria prevalence rates, assessed by thick smears, decreased from 8.2% in the 1950s to 2.6%, 0.7%, 0.16% and 0.02% respectively, over the next 4 decades [17]. Between 1999 and 2004, no autochthonous case was diagnosed among 612,679 people examined across the city [17] (Table 2). …”

Section: Reviewmentioning

confidence: 99%

Lymphatic filariasis in Brazil: epidemiological situation and outlook for elimination

et al. 2012

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Since the World Health Assembly’s (Resolution WHA 50.29, 1997) call for the elimination of lymphatic filariasis by the year 2020, most of the endemic countries identified have established programmes to meet this objective. In 1997, a National Lymphatic Filariasis Elimination Plan was drawn up by the Ministry of Health of Brazil, creating local programs for the elimination of Bancroftian filariasis in areas with active transmission. Based on a comprehensive bibliographic search for available studies and reports of filariasis epidemiology in Brazil, current status of this parasitic infection and the outlook for its elimination in the country were analysed. From 1951 to 1958 a nationwide epidemiological study conducted in Brazil confirmed autochthonous transmission of Bancroftian filariasis in 11 cities of the country. Control measures led to a decline in parasite rates, and in the 1980s only the cities of Belém in the Amazonian region (Northern region) and Recife (Northeastern region) were considered to be endemic. In the 1990s, foci of active transmission of LF were also described in the cities of Maceió, Olinda, Jaboatão dos Guararapes, and Paulista, all in the Northeastern coast of Brazil. Data provide evidence for the absence of microfilaremic subjects and infected mosquitoes in Belém, Salvador and Maceió in the past few years, attesting to the effectiveness of the measures adopted in these cities. Currently, lymphatic filariasis is a public health problem in Brazil only in four cities of the metropolitan Recife region (Northeastern coast). Efforts are being concentrated in these areas, with a view to eliminating the disease in the country.

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“…Lymphatic filariasis (LF), also known as elephantiasis, occurs through infection by Brugia malayi , Brugia timori and Wuchereria bancrofti [1, 2]. It has been considered a neglected disease, responsible for permanent or long-term physical disabilities in more than 40 million people, a considerable portion of a total of 120 million people infected worldwide [3, 4].…”

Section: Introductionmentioning

confidence: 99%

Chiluria in a lymphatic filariasis endemic area

Araújo

Souza

et al. 2018

BMC Res Notes

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ObjectiveTo establish clinical and laboratory data of individuals presenting chyluria in endemic areas.Results75 individuals were studied. The majority were females with an average age of 45 years residing in the Metropolitan Region of Recife. The mean time between the beginning of the presentation of chyluria and the first care service in the Serviço de Referencia Nacional em Filarioses was approximately 5 years. The most frequent urinalysis changes were hematuria (27.6%), leukocytes (21.9%) and proteinuria (10.5%). The Addis test showed mean values of 155.43 E/min/mL of cylinders, 52,892 E/min/mL of erythrocytes and 291,660 E/min/mL of leukocytes. Among recorded cases, proteinuria had a mean value of 1372.80 mg/dL in 24 h, and the presence of lymphocytes in the urine was positive in 68.3%. Among lymphatic filariasis tests, immunochromatography was positive in 16.7%, there was circulating filarial antigen determined by detection of OG4C3 antibodies in 7.7% and microfilaremia in only 1/55.

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Filariose linfática em Belém, Estado do Pará, Norte do Brasil e a perspectiva de eliminação

Abstract: RESUMO de 1950, 1960, 1970, 1980 e 1990, foram respectivamente: 8,2%, 2,6%, 0,7%, 0,16% e of 1950of , 1960of , 1970of , 1980of and 1990of , were respectively: 8.2%, 2.6%, 0.7%, 0.16% and 0.02%. In 2001

Cited by 20 publications

References 9 publications

Urban lymphatic filariasis

Urban lymphatic filariasis

Lymphatic filariasis in Brazil: epidemiological situation and outlook for elimination

Chiluria in a lymphatic filariasis endemic area

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