Soil-transmitted helminth infections: updating the global picture

Silva, Nilanthi R. de; Brooker, Simon; Hotez, Peter J.; Montresor, Antonio; Engels, Dirk; Savioli, Lorenzo

doi:10.1016/j.pt.2003.10.002

Cited by 979 publications

(767 citation statements)

References 9 publications

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“…It affects an estimated 740 million cases in areas of rural poverty in the tropics and subtropics. 11 Eggs of hookworm were found in stools of our index case, however Entamoebe histolytica found may be a coincidental finding.…”

Section: Discussionmentioning

confidence: 53%

PICA with microcytic hypochromic anaemia and hookworm infestation: A case report

Garba¹,

Aminu²,

Onazi³

et al. 2014

Int Jour of Biomed Res

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Section: Discussionmentioning

confidence: 53%

PICA with microcytic hypochromic anaemia and hookworm infestation: A case report

Garba¹,

Aminu²,

Onazi³

et al. 2014

Int Jour of Biomed Res

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“…The high prevalence of soil-transmitted helminth infections in the tropics and subtropics is explained by climatic factors coupled with poor hygiene standards and the lack of adequate sanitation (de Silva et al, 2003). Soil-transmitted helminth infections were highly prevalent in the southern parts of the USA and elsewhere in the now-developed world less than a century ago (Stiles, 1939;Stoll, 1947).…”

Section: Introductionmentioning

confidence: 99%

“…Soil-transmitted helminth infections were highly prevalent in the southern parts of the USA and elsewhere in the now-developed world less than a century ago (Stiles, 1939;Stoll, 1947). Treatment of infected individuals and improved sanitation together with socioeconomic development have led to the elimination of hookworm disease as a public health problem in the southern USA (Brown, 1976) and may explain the recent declines observed in Southeast Asia (de Silva et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

FLOTAC: a new sensitive technique for the diagnosis of hookworm infections in humans

Utzinger

Rinaldi

Lohourignon

et al. 2008

Transactions of the Royal Society of Tropical Medicine and Hygi

121

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Summary Hookworms infect more than 10% of the world's population, but current diagnostic tools have drawbacks. Our objective was to compare the diagnostic performance of three methods (Kato-Katz, ether concentration and FLOTAC techniques) for hookworm diagnosis. Stool samples were obtained from 102 schoolchildren in Côte d'Ivoire. First, a duplicate 41.7 mg Kato-Katz thick smear was prepared. Next, a small portion of stool (mean weight 1.8 g) was preserved in sodium acetate-acetic acid-formalin and forwarded to a European laboratory. These samples were split in three parts, one processed by an ether concentration technique and two by the FLOTAC technique. All samples were examined by experienced technicians for hookworm eggs using light microscopy. The observed hookworm prevalences as assessed by the FLOTAC, Kato-Katz and ether concentration techniques were 65.7%, 51.0% and 28.4%, respectively. Considering the combined results as the diagnostic 'gold' standard, the FLOTAC technique had a sensitivity of 88.2% compared with 68.4% for the Kato-Katz and 38.2% for the ether concentration techniques. The Kato-Katz method resulted in a significantly higher mean number of eggs per gram of stool (155.8 EPG) compared with the FLOTAC (37.7 EPG) and ether concentration (5.7 EPG) methods. The FLOTAC method shows promise as an important new tool for individual hookworm diagnosis and for rigorous monitoring of helminth control programmes. [Clinical Trial No. ISRCTN21782274].

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“…In addition to this, there were accounts of the people's habit of defecating on the soil, which could represent an important factor in macro-and micro-epidemiology of parasitic zoonosis, as well as in human soil transmitted helminth infections 3 .…”

Section: Discussionmentioning

confidence: 99%

Parasites in stool samples in the environment of Ilha da Marambaia, Rio de Janeiro, Brazil: an approach in public health

Coronato

Bastos

Duarte

et al. 2012

Rev. Inst. Med. trop. S. Paulo

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This research aimed to describe the frequency of parasites in stool samples in the environment of Ilha da Marambaia, Rio de Janeiro, Brazil. One hundred and five stool samples were collected and processed by the coproparasitological techniques ethyl acetate sedimentation and centrifuge-flotation using saturated sugar solution. Parasites were detected in 81.9% of the samples, hookworm being the most prevalent, followed by Trichuris vulpis. Ascaris sp. eggs were also found. A high level of evolutive forms of parasites with public health risk was found in stool samples of the environment studied. We propose that health education programs, allied to an improvement of human and animal health care, must be employed to reduce the environmental contamination.

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Soil-transmitted helminth infections: updating the global picture

Cited by 979 publications

References 9 publications

PICA with microcytic hypochromic anaemia and hookworm infestation: A case report

PICA with microcytic hypochromic anaemia and hookworm infestation: A case report

FLOTAC: a new sensitive technique for the diagnosis of hookworm infections in humans

Parasites in stool samples in the environment of Ilha da Marambaia, Rio de Janeiro, Brazil: an approach in public health

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