Toxocarose oculaire : à propos de trois cas

Hamrouni, S.; Boussetta, N.; Dhahri, R.; Sayhi, S.; Gharsallah, I.; Métoui, L.; Louzir, B.; Ajili, F.; Othmani, S.

doi:10.1016/j.revmed.2015.10.045

Cited by 4 publications

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“…Toxocara canis is the causative agent of visceral and ocular larva migrans in humans (Fillaux and Magnaval, 2013;Chia-Kwung et al 2015) who become infected through the inadvertent ingestion of eggs and/or larvae present in soil and shed in dog feces (Benito et al 2003). Importantly, cases due to T. canis larva migrans have recently been diagnosed in Tunisian patients (Hamrouni et al 2015;Lajmi et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Intestinal helminths of stray dogs from Tunisia with special reference to zoonotic infections

Lahmar¹,

Arfa²,

Othmen³

et al. 2017

Parasitology Open

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Sixteen intestinal helminth species were recovered from 271 necropsied stray dogs during a survey undertaken in Raoued and Soukra, two northeastern rural regions of Tunisia. Recorded parasites included trematodes (Brachylaemus sp., Phagicola italica, Heterophyes heterophyes), cestodes (Echinococcus granulosus, Dipylidium caninum, Diplopylidium noelleri, Mesocestoides lineatus, Mesocestoides litteratus, Taenia hydatigena, Taenia pisiformis, Taenia multiceps), nematodes (Toxocara canis, Ancylostoma caninum, Uncinaria stenocephala, Trichuris vulpis) and one acanthocephalan Macracanthorhynchus hirudinaceus. This is the first record of Brachylaemus sp., P. italica, H. heterophyes, D. noelleri and M. hirudinaceus in dogs from Tunisia. Echinococcus granulosus was found in 5·16% of dogs with a higher intensity of infection recorded in younger animals (303 worms/infected dog). Molecular analysis confirmed E. granulosus sensu stricto as the cause of canine echinococcosis. This epidemiological study investigating the status of intestinal helminths of dogs recorded a prevalence of 98·89% and a mean intensity of 87·62 worms per infected dog and confirmed the infection of 95·14% of dogs with helminths of potential zoonotic concern. Results of this study emphasize the need to interrupt parasite transmission using preventive approaches in zoonoses control programmes mainly against cystic echinococcosis, as well as reducing transmission to other animals by regular dog dosing treatments and proper management of dog populations.

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Section: Discussionmentioning

confidence: 99%

Intestinal helminths of stray dogs from Tunisia with special reference to zoonotic infections

Lahmar¹,

Arfa²,

Othmen³

et al. 2017

Parasitology Open

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Seroepidemiology of human toxocariasis in North Africa

Adeel¹

2020

Advances in Parasitology

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Gastrointestinal parasites of canids, a latent risk to human health in Tunisia

et al. 2017

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BackgroundAlthough data on the parasite environmental contamination are crucial to implement strategies for control and treatment, information about zoonotic helminths is very limited in Tunisia. Contamination of areas with canid faeces harboring infective parasite elements represents a relevant health-risk impact for humans. The aim of this study was to assess the environmental contamination with eggs and oocysts of gastrointestinal parasites of dogs and wild canids in Tunisia with special attention to those that can be transmitted to humans.ResultsOne thousand two hundred and seventy faecal samples from stray dogs and 104 from wild canids (red foxes and golden jackals) were collected from different geographical regions throughout Tunisia. The helminth eggs and protozoan oocysts were concentrated by sucrose flotation and identified by microscopic examination. The most frequently observed parasites in dog samples were Toxocara spp. (27.2%), E. granulosus (25.8%), and Coccidia (13.1%). For wild canid faeces, the most commonly encountered parasites were Toxocara spp. (16.3%) followed by Capillaria spp. (9.6%). The parasite contamination of dog faeces varied significantly from one region to another in function of the climate.ConclusionTo our knowledge, the study highlights for the first time in Tunisia a serious environmental contamination by numerous parasitic stages infective to humans. Efforts should be made to increase the awareness of the contamination risk of such parasites in the environment and implement a targeted educational program.

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Toxocarose oculaire : à propos de trois cas

Cited by 4 publications

References 0 publications

Intestinal helminths of stray dogs from Tunisia with special reference to zoonotic infections

Intestinal helminths of stray dogs from Tunisia with special reference to zoonotic infections

Seroepidemiology of human toxocariasis in North Africa

Gastrointestinal parasites of canids, a latent risk to human health in Tunisia

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