Nosocomial Dermatitis and Pruritus Caused by Pigeon Mite Infestation

Regan, Anne Marie

doi:10.1001/archinte.1987.00370120121021

Cited by 34 publications

(18 citation statements)

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“…A pigeon mite infestation in 10 persons at a psychiatric hospital in Quebec was characterized by the emergence of a rash which consisted of papules located mainly on the arms and chest. 10 In the cases of human "dermanyssosis" described in the literature, [6][7][8] no therapy was recommended because D. gallinae is a temporary ectoparasite which can be easily removed from a host by showering, a procedure also recommended to our patients. One patient in Boston City Hospital developed a diffuse, pruritic, erythematous maculopapular rash on the trunk and extremities caused by pigeon mites, which, as in our patients, was misdiagnosed first as a pediculosis and then as scabies.…”

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confidence: 99%

“…The mite's color in the unfed state is grayish-white; it becomes bright red after feeding and grows darker as the meal is digested. 3,6 The disease is often misdiagnosed as scabies and unnecessarily treated with ectoparasiticides. 5 As a hematophagous ectoparasite, in the absence of birds, the poultry red mite can affect other species, including humans.…”

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“…Under optimal conditions, the life cycle is completed in about one week and consists of egg, protonymph, deutonymph, and adult stages. 6 By contrast with Sarcoptes scabiei, poultry red mites are temporary visitors to human skin and cannot continue to live and reproduce on a human host. [1][2][3] The most commonly reported infestations concern persons in direct contact with poultry and birds, such as veterinarians, farm workers, and bird keepers, but mites have been reported to enter buildings from birds' nests via windows or air conditioning systems and to cause lesions on the occupants of these spaces.…”

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Diagnosis of skin lesions caused by Dermanyssus gallinae in five patients

Gavrilović¹,

Kecman²,

Jovanović

2013

Int J Dermatology

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confidence: 99%

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Diagnosis of skin lesions caused by Dermanyssus gallinae in five patients

Gavrilović¹,

Kecman²,

Jovanović

2013

Int J Dermatology

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“…Esta espécie tem o hábito de viverem em grupos, abrigando-se e construindo seus ninhos em locais altos como prédios, torres, sótãos, beirais de janelas, entre outros. Estas aves alimentam-se preferencialmente de grãos, mas aproveitam bem os restos de alimentos e lixo encontrados em locais públicos como, por exemplo, praças e parques 9,10 . Pelotas está localizada no sul do Rio Grande do Sul, sendo considerada um dos mais ricos patrimônios culturais e arquitetônicos do Brasil.…”

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Ocorrência de Cryptococcus neoformans em excretas de pombos na cidade de Pelotas, Estado do Rio Grande do Sul

Faria

Nascente

Meinerz

et al. 2010

Rev. Soc. Bras. Med. Trop.

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RESUMOIntrodução: O Cryptococcus neoformans é uma levedura capsulada, agente etiológico da criptococose em humanos e animais, encontrado em fontes ambientais, incluindo excretas de pombos, é uma importante causa de mortalidade em indivíduos imunodeprimidos em todo o mundo. Métodos: com o objetivo de verificar a ocorrência do Cryptococcus neoformans, em excretas de pombos, na cidade de Pelotas, pesquisou-se 70 ambientes, incluindo prédios, praças e locais ao ar livre, da cidade de Pelotas, RS. Após a coleta, os excrementos foram adicionados de salina com cloranfenicol, homogeneizados, semeados em ágar Sabouraud com cloranfenicol e ágar Níger e incubados a 32ºc. Para identificação, realizou-se exame direto, prova da fenoloxidase, urease, assimilação de carboidratos e cultura em meio cGB. Resultados: Dos locais estudados (nº =70), em 26 (37,1%) havia excretas de pombos. Estes lugares foram representados por prédios históricos (nº =8), torre de igreja (nº =1), engenhos e armazéns de arroz (nº =7), praça (nº =1) e locais ao ar livre (nº =9), o isolamento de Cryptococcus neoformans ocorreu em 26,9% (nº =7/26), destes locais. Conclusões: O estudo chama a atenção, para o isolamento do fungo em áreas urbanas, que apresentavam grande acúmulo de excretas, indicando um risco para a saúde pública, especialmente para indivíduos imunocomprometidos. Palavras-chaves: Cryptococcus neoformans. Excretas. Pombos. Ambiente. Urbano. ABSTRACT Introduction:Cryptococcus neoformans is an encapsulated yeast and is the etiological agent for human and animal cryptococcosis. It is found in sources within the environment, including pigeon excrement, and is an important cause of mortality among immunocompromised individuals worldwide. Methods: Seventy different environments in the city of Pelotas, Rio Grande do Sul, were surveyed for the purpose of investigating Cryptococcus neoformans occurrences in pigeon excreta. The environments included buildings, public squares and outdoor locations in the city. After collection, chloramphenicol saline solution was added to the excreta, which were then homogenized and seeded onto Sabouraud agar with chloramphenicol and onto Niger agar, and incubated at 32°c. Identification was performed by direct examination and by means of the phenoloxidase and urease tests, carbohydrate assimilation and culturing in cGB medium. Results: Out of the sites investigated (n = 70), 26 (37.1%) of them contained pigeon excreta. These included historical buildings (n = 8), a church tower (n = 1), rice mills and warehouses (n = 7), a public square (n = 1) and outdoor locations (n = 9). Cryptococcus neoformans was isolated from 26.9% (n = 7/26) of these locations. Conclusions: This study draws attention to isolation of this fungus in urban areas that present large accumulations of pigeon excrement. This represents a risk to public health, especially for immunocompromised individuals.

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“…Pigeon mites are happy to feed from baby pigeons, but when the babies leave the nest they migrate out into the human-occupied area. 1 There have been few reports of dermatological involvement with pigeon mites with intense pruritus and urticaria. 2 Feather mites are also potential source of allergens for pigeon and budgerigar keepers.…”

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Acute superficial lymphangitis following pigeon mite bite

Koul

Qadri²

2010

Case Reports

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Correspondence to Parvaiz A Koul, parvaizk@gmail.com DESCRIPTIONA medical resident woke up in the night with an intense itch of the left wrist and recovered a tick nearby. The bite mark over 2 days progressed as a long linear erythematous, swollen and tender streak extending up to the axilla along the medial aspect of the upper limb (figures 1 and 2) along with a tender axillary lymphadenopathy. A Doppler ultrasound revealed normal venous system with a long linear hypoechoic area extending from the left wrist to the axilla suggestive of superficial lymphangitis. A few more mites were recovered from the room and from a pigeon nest that the resident sported near the window ledge. The mites were identified as the pigeon mite Argas refluxus (figure 3).The resident was treated with local calamine, antihistaminics and prednisolone for 5 days and recovered fully.Acute lymphangitis following arthropod bites is rare and can mimic bacterial lymphangitis. Pigeon mites are tiny eight-legged parasites that feed on the blood of warmblooded animals. Pigeon mites are happy to feed from baby pigeons, but when the babies leave the nest they migrate out into the human-occupied area.1 There have been few reports of dermatological involvement with pigeon mites with intense pruritus and urticaria.2 Feather mites are also potential source of allergens for pigeon and budgerigar keepers. A reflexus has been known to carryBorrelia anserine leading to avian spirochetosis in pigeons characterised by diarrhoea, fever and paralysis.3 Residents need to be wary of the condition for proper recognition and management and adoption of appropriate control measures. Figure 1The bite site.

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Nosocomial Dermatitis and Pruritus Caused by Pigeon Mite Infestation

Cited by 34 publications

References 13 publications

Diagnosis of skin lesions caused by Dermanyssus gallinae in five patients

Diagnosis of skin lesions caused by Dermanyssus gallinae in five patients

Ocorrência de Cryptococcus neoformans em excretas de pombos na cidade de Pelotas, Estado do Rio Grande do Sul

Acute superficial lymphangitis following pigeon mite bite

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