Migration of Baylisascaris procyonis into the vitreous

Brasil, Oswaldo Ferreira Moura; Lewis, Howard B.; Lowder, Careen Y.

doi:10.1136/bjo.2006.095323

Cited by 11 publications

(7 citation statements)

References 14 publications

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“…1), isolated OLM usually affects older children and adults (2,10,11,22,54). In 27 cases of (22,36,38,40,44,74,75,105,(109)(110)(111)(112). Opportunities for the ingestion of large numbers of eggs are less frequent for adults than for small children, helping to explain the age-related distribution observed for NLM versus OLM.…”

Section: Olmmentioning

confidence: 99%

Update on Baylisascariasis, a Highly Pathogenic Zoonotic Infection

2016

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SUMMARYBaylisascaris procyonis, the raccoon roundworm, infects a wide range of vertebrate animals, including humans, in which it causes a particularly severe type of larva migrans. It is an important cause of severe neurologic disease (neural larva migrans [NLM]) but also causes ocular disease (OLM; diffuse unilateral subacute neuroretinitis [DUSN]), visceral larva migrans (VLM), and covert/asymptomatic infections.B. procyonisis common and widespread in raccoons, and there is increasing recognition of human disease, making a clinical consideration of baylisascariasis important. This review provides an update for this disease, especially its clinical relevance and diagnosis, and summarizes the clinical cases of human NLM and VLM known to date. Most diagnosed patients have been young children less than 2 years of age, although the number of older patients diagnosed in recent years has been increasing. The recent development of recombinant antigen-based serodiagnostic assays has aided greatly in the early diagnosis of this infection. Patients recovering with fewer severe sequelae have been reported in recent years, reinforcing the current recommendation that early treatment with albendazole and corticosteroids should be initiated at the earliest suspicion of baylisascariasis. Considering the seriousness of this zoonotic infection, greater public and medical awareness is critical for the prevention and early treatment of human cases.

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Section: Olmmentioning

confidence: 99%

Update on Baylisascariasis, a Highly Pathogenic Zoonotic Infection

2016

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“…Etiology OLM also known as Toxocaral Retinitis is mainly caused by larvae of T. canis and T. cati (Mirdha and Khokar 2002;Fomda et al 2007). Occasionally, Baylisascaris procyonis, raccoon roundworm can lead to OLM in humans (Brasil et al 2006). VLM and OLM are the two main clinical presentations of toxocariasis.…”

Section: Ocular Larva Migrans (Olm)mentioning

confidence: 99%

“…Larva migrans is a parasitic zoonosis that is caused by migration of parasitic larvae in different parts of the body. Numerous animal parasitic larvae are responsible for larva migrans in humans (Chaudhry and Longworth 1989;Bryceson and Hay 1992;Nawa et al 1996;Brasil et al 2006;Kurokawa et al 1998;Vega-Lopez and Hay 2004;Tamminga et al 2009). Depending upon the involvement of body parts, larva migrans can be classified into four categories viz.…”

Section: Introductionmentioning

confidence: 99%

Larva migrans in India: veterinary and public health perspectives

2013

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Despite an important public health problem in developing world like India, larva migrans remains a neglected zoonosis. Cutaneous larva migrans, Visceral larva migrans, and Ocular larva migrans are the important clinical manifestations seen in humans in India. Although many nematode parasites have the ability to cause the infection, the disease primarily occurs due to Ancylostoma caninum and Toxocara canis. Presence of the infection in dogs is an indirect indication of its incidence in humans in endemic regions. In India, sporadic cases of this neglected but important parasitic zoonosis are the main implications of lack of diagnostic methods and under-reporting of human cases. Tropical climate in addition to overcrowding, poor hygiene and sanitation problems, stray dogs, open defecation by dogs and improper faecal disposal are the important factors for persistence of this disease in the country. Sanitary and hygienic measures, improved diagnostic techniques and surveillance programme in dogs as well as humans should be adopted for its effective control. Comprehensive collaborative efforts by physicians and veterinarians are required to tackle this problem in order to attain optimal health for humans, animals and the environment. Moreover, recognition of larva migrans as an important public health problem is the most important step to combat this neglected disease in developing countries like India.

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“…68,69 Later, in 1983, Gass and Braunstein described two different-sized nematodes causing the disease and postulated that the cause was probably not T. canis. 74,75 The exact etiology of the smaller larva remains unclear. 70 One year later, Kazacos and coworkers suggested that the larger larva previously described 70 was Bayliascaris procyonis, an intestinal nematode of raccoons and squirrels associated with central nervous system infections.…”

Section: History and Etiologymentioning

confidence: 99%