Hookworm-Related Cutaneous Larva Migrans in Northern Brazil: Resolution of Clinical Pathology After a Single Dose of Ivermectin

Schuster, Angela; Lesshafft, Hannah; Reichert, Felix; Talhari, Sinésio; Oliveira, Silás Guedes de; Ignatius, Ralf; Feldmeier, Hermann

doi:10.1093/cid/cit440

Cited by 27 publications

(14 citation statements)

References 11 publications

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“…Thereby, HRIT offers the possibility to assess inflammation in a quantitative and objective manner, a progress compared to current methods to detect inflammation in parasitic skin diseases [14,[21][22][23]. Our findings corroborate previous observations showing that the area of inflamed skin due to a bacterial infection is much more precisely determined by HRIT than by visual inspection alone [24].…”

Section: Discussionsupporting

confidence: 88%

High-resolution infrared thermography: a new tool to assess tungiasis-associated inflammation of the skin

et al. 2017

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Section: Discussionsupporting

confidence: 88%

High-resolution infrared thermography: a new tool to assess tungiasis-associated inflammation of the skin

et al. 2017

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“…For instance, a study carried out in south-eastern Brazil revealed that most dog owners do not know the species of dog intestinal parasites, the mechanisms of transmission, the risk factors for zoonotic infections, and specific prophylactic measures [100]. Nonetheless, a number of cases of visceral and cutaneous larva migrans in humans have been described in Brazil [261-264] and serological data confirmed a high level of exposure to Toxocara spp. in humans in this country, reaching over 50% in some cities [265-269].…”

Section: Reviewmentioning

confidence: 99%

Dogs, cats, parasites, and humans in Brazil: opening the black box

2014

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Dogs and cats in Brazil serve as primary hosts for a considerable number of parasites, which may affect their health and wellbeing. These may include endoparasites (e.g., protozoa, cestodes, trematodes, and nematodes) and ectoparasites (i.e., fleas, lice, mites, and ticks). While some dog and cat parasites are highly host-specific (e.g., Aelurostrongylus abstrusus and Felicola subrostratus for cats, and Angiostrongylus vasorum and Trichodectes canis for dogs), others may easily switch to other hosts, including humans. In fact, several dog and cat parasites (e.g., Toxoplasma gondii, Dipylidium caninum, Ancylostoma caninum, Strongyloides stercoralis, and Toxocara canis) are important not only from a veterinary perspective but also from a medical standpoint. In addition, some of them (e.g., Lynxacarus radovskyi on cats and Rangelia vitalii in dogs) are little known to most veterinary practitioners working in Brazil. This article is a compendium on dog and cat parasites in Brazil and a call for a One Health approach towards a better management of some of these parasites, which may potentially affect humans. Practical aspects related to the diagnosis, treatment, and control of parasitic diseases of dogs and cats in Brazil are discussed.

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“…However, these results may be underestimated as adult dogs may develop resistance and the highest parasite burdens and prevalence of patent Toxocara infections are observed in puppies of dogs and cats less than six months of age (DEPLAZES et al, 2011). In different regions of Brazil, numerous cases of visceral and cutaneous larva migrans have been described for humans (MUSSO et al, 2007;SCHUSTER et al, 2013), and serological data have confirmed elevated level of exposure of humans to Toxocara spp. (FRAGOSO et al, 2011;SOUZA et al, 2011;MATTIA et al, 2012;MENDONÇA et al, 2012;SCHOENARDIE et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

Contamination by parasites of zoonotic importance in fecal samples from Florianópolis Beaches, Santa Catarina State, Brazil

Bricarello

Magagnin

Oliveira

et al. 2018

Braz. J. Vet. Res. Anim. Sci.

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Helminths and protozoa are examples of endoparasites that, during their biological cycles, can alternate between free-life stages and parasitic stages in the environment. Pets, such as dogs and cats, live together with humans and play a significant role in society; however, these animals may carry many parasites which, besides showing direct pathogenicity to the host, represent risks to human health, as is the case with parasitic zoonoses. Public areas like parks, gardens, squares, and beaches may offer risks to human users since these environments may contain feces deposited by parasitized dogs. This study verified the occurrence of helminth eggs and/or protozoan cysts or oocysts in fecal samples collected from sand strips at the beaches Armação do Pântano do Sul, Campeche and Morro das Pedras, in the south of Florianópolis Island, Santa Catarina State (SC), during the summer period. Pet feces were collected in the 2016-2017 summer season, from December 2016 to February 2017. In the Laboratory of Animal Parasitology (CCA/UFSC), fecal samples were processed based on Willis-Mollay flotation technique and Hoffman sedimentation technique. Samples from all three analyzed beaches were positive for the presence of parasites and fecal material was found along the seashore, sites where people freely walk barefoot. Of 104 fecal samples collected, 45 (43.27%) were positive for one or more parasites. The greatest prevalence was found in Campeche Beach, which had 72.22% positive samples. Ancylostomids were most prevalent, indicating that cutaneous larva migrans is likely to occur in humans. Other parasites such as Trichuris vulpis, Toxocara spp. and Giardia spp. were also detected in coproparasitological analyses. Based on the results, it was concluded that contamination of the beaches in Florianópolis Island, SC, constitutes a public health problem due to the possibility of zoonosis transmission. These results reinforce the importance of establishing health programs for parasite control and education programs to elucidate the risks of transmission of these zoonoses to the population, in an attempt to reduce environmental contamination risks at beaches of seaside resorts.

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Hookworm-Related Cutaneous Larva Migrans in Northern Brazil: Resolution of Clinical Pathology After a Single Dose of Ivermectin

Cited by 27 publications

References 11 publications

High-resolution infrared thermography: a new tool to assess tungiasis-associated inflammation of the skin

High-resolution infrared thermography: a new tool to assess tungiasis-associated inflammation of the skin

Dogs, cats, parasites, and humans in Brazil: opening the black box

Contamination by parasites of zoonotic importance in fecal samples from Florianópolis Beaches, Santa Catarina State, Brazil

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