Inquérito helmintológico pelos métodos de Kato-Katz, Baermann-Moraes e Harada, em Tefé e algumas localidades do Rio Japurá-Caquetá, Amazonas

Millington, Maria A.; Costa, Carlos Henrique Nery; Tavares, Antonio M.; Dourado, H; Reid, William A.; Macêdo, Vanize; Prata, Áluízio

doi:10.1590/s0037-86821989000400009

Cited by 3 publications

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“…globally. However, researches on the epidemiology of Trichostrongylus proclaim a global distribution but low prevalence of infection in humans (Ghadirian & Arfaa, 1975; Cancrini et al , 1982; Millington et al , 1989; Boreham et al , 1995; John & Petri, 2006; Ralph et al , 2006; Yong et al , 2007). Ghadirian & Arfaa (1975) estimated 67%, 86% and 71% prevalence of trichostrongylosis among humans in Isfahan, Bakhtiari and Khuzestan regions of Iran, respectively, with primary species being Trichostrongylus orientalis and T. colubriformis .…”

Section: Prevalence Of Trichostrongylus In Humansmentioning

confidence: 99%

“…Infection of T. orientalis has been reported in Armenia, China, Japan and Korea (John & Petri, 2006). Species such as T. axei , Trichostrongylus capricola , T. colubriformis , T. orientalis , Trichostrongylus probolurus , Trichostrongylus skrjabin and T. vitrinus have been found associated with infections in humans with T. axei , T. colubriformis and T. orientalis being the most common species which infect humans, mostly obtained via close contact with livestock (Ghadirian & Arfaa, 1975; Millington et al , 1989; John & Petri, 2006; Ralph et al , 2006; Yong et al , 2007). In Japan, the most predominant species among humans is T. orientalis which is also found in China and Korea (Miyazaki, 1991).…”

Section: Prevalence Of Trichostrongylus In Humansmentioning

confidence: 99%

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Trichostrongylosis: a zoonotic disease of small ruminants

et al. 2023

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In the present world a significant threat to human health is posed by zoonotic diseases. Helminth parasites of ruminants are one of the most common zoonotic organisms on the planet. Among them, trichostrongylid nematodes of ruminants, found worldwide, parasitize humans in different parts of the world with varying rates of incidence, particularly among rural and tribal communities with poor hygiene, pastoral livelihood and poor access to health services. In the Trichostrongyloidea superfamily, Haemonchus contortus, Teladorsagia circumcincta, Marshallagia marshalli, Nematodirus abnormalis and Trichostrongylus spp. are zoonotic in nature. Species of the genus Trichostrongylus are the most prevalent gastrointestinal nematode parasites of ruminants that transmit to humans. This parasite is prevalent in pastoral communities around the world and causes gastrointestinal complications with hypereosinophilia which is typically treated with anthelmintic therapy. The scientific literature from 1938 to 2022 revealed the occasional incidence of trichostrongylosis throughout the world with abdominal complications and hypereosinophilia as the predominant manifestation in humans. The primary means of transmission of Trichostrongylus to humans was found to be close contact with small ruminants and food contaminated by their faeces. Studies revealed that conventional stool examination methods such as formalin-ethyl acetate concentration or Willi's technique combined with polymerase chain reaction-based approaches are important for the accurate diagnosis of human trichostrongylosis. This review further found that interleukin 33, immunoglobulin E, immunoglobulin G1, immunoglobulin G2, immunoglobulin M, histamine, leukotriene C4, 6-keto prostaglandin F1α, and thromboxane B2 are vital in the fight against Trichostrongylus infection with mast cells playing a key role. This review focuses on the prevalence, pathogenicity and immunological aspects of Trichostrongylus spp. in humans.

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Section: Prevalence Of Trichostrongylus In Humansmentioning

confidence: 99%

Section: Prevalence Of Trichostrongylus In Humansmentioning

confidence: 99%

Trichostrongylosis: a zoonotic disease of small ruminants

et al. 2023

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Willis Alton Reid Jr. (1941–2004)

Richardson

2004

Comparative Parasitology

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Infección humana por Trichostrongylus spp. en residentes de zonas urbanas de la ciudad de Salvador, Bahia, Brasil

Souza

Menezes

et al. 2013

biomedica

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Results: One-hundred and ten patients (1.2%) were confirmed to be infected by Trichostrongylus spp. The positive cases were significantly more frequent in females (1.6%; p<0.05), with higher distribution in the age group between 11-20 years (1.9%), compared to those aged 51-60 (0.8%) and older than 60 years (0.9%)(p<0.05), independent of gender. Trichostrongylus spp. infections were more common from March to May (40 cases) and showed a homogeneous distribution over the other periods of the year (21-25 cases). The hematological analyses of 60 Trichostrongylus-infected patients showed normal levels of eosinophils in most of the positive cases. Conclusions:The data reveal that the occurrence of infection by Trichostrongylus spp. in residents of Salvador is more frequent than those reported in other urban regions and that it is essential to distinguish the parasite from other nematodes in routine parasitological examination.

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Inquérito helmintológico pelos métodos de Kato-Katz, Baermann-Moraes e Harada, em Tefé e algumas localidades do Rio Japurá-Caquetá, Amazonas

Cited by 3 publications

References 0 publications

Trichostrongylosis: a zoonotic disease of small ruminants

Trichostrongylosis: a zoonotic disease of small ruminants

Willis Alton Reid Jr. (1941–2004)

Infección humana por Trichostrongylus spp. en residentes de zonas urbanas de la ciudad de Salvador, Bahia, Brasil

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