986 resultados para parasitas pulmonares
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Different parasites that commonly occur concomitantly can influence one another, sometimes with unpredictable effects. We evaluated pathological aspects of dogs naturally co-infected with Leishmania infantum and Ehrlichia canis. The health status of the dogs was investigated based on histopathological, hematological and biochemical analyses of 21 animals infected solely with L. infantum and 22 dogs co-infected with L. infantum and E. canis. The skin of both groups showed chronic, predominantly lymphohistioplasmacytic inflammatory reaction. The plasmacytosis in the lymphoid tissues was likely related with the hypergammaglobulinemia detected in all the dogs. The disorganization of extracellular matrix found in the reticular dermis of the inguinal region and ear, characterized by the substitution of thick collagen fibers for thin fibers, was attributed to the degree of inflammatory reaction, irrespective of the presence of parasites. In addition, the histopathological analysis revealed that twice as many dogs in the co-infected group presented Leishmania amastigotes in the ear skin than those infected solely with Leishmania, increasing the possibility of becoming infected through sand fly vectors. Our findings highlight the fact that the health of dogs infected concomitantly with L. infantum and E. canis is severely compromised due to their high levels of total plasma protein, globulins, alkaline phosphatase and creatine kinase, and severe anemia.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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As taxas de infestação de dípteros ectoparasitos de Chiropteros foram estudadas em cinco regiões do Estado de São Paulo, os aspectos ecológicos da relação hospedeiro/parasitas em Chiroptera são pouco explorados em relação aos ectoparasitos e carecem de mais informações. Tendo tais aspectos em vista os objetivos desse trabalho foram: (1) listar a composição da fauna de dípteros ectoparasitos associados aos morcegos filostomídeos; e (2) examinar se houve diferenças nos valores de prevalência e incidência nas diferentes áreas de estudo (relacionando tais fatores também ao sexo e idade do hospedeiro).. No presente estudo foram coletados 378 indivíduos de dez espécies de dípteros ectoparasitas, sendo setes delas pertencentes a família Streblidae, uma a família Nycteribiidae, e ainda duas espécies de ácaros pertencentes a família dos Spinturnicidae. As espécies de ectoparasitas mais abundantes foram Pararichobius longincrus (21,9%), Trichobius joblingi (17,4%) e Megistopoda proxima (33,7%). As análises estáticas parasitológicas foram feitas as espécies mais abundantes, calculou-se o valor da prevalência, taxa média de infestação, e os diferentes valores relativos ao status reprodutivo, sexo e idade do hospedeiro., as taxas de prevalência encontradas no presente estudo foram similares a estudos anteriores feitos na região de São Paulo e no geral houve uma tendência as taxas de infestação e prevalência serem maiores em jovens e fêmeas grávidas e lactantes. Apesar de tal constatação não é possível afirmar que haja uma correlação estatística entre hospediros mais jovens e fêmeas grávidas e maiores taxas de prevalência. O estudo ajuda a elucidar a composição faunística dos ectoparasitos de Chiropteros, e a esclarecer alguns aspectos da relação ecológica entre parasita hospedeiro
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Pós-graduação em Fisioterapia - FCT
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Zootecnia - FMVZ
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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The granulomatous lesions are frequently founded in infectious diseases and can involve the larynx and pharynx and can cause varying degrees of dysphonia and dysphagia. There is still no systematic review that analyzes effectiveness of speech therapy in systemic granulomatous diseases. Research strategy: A systematic review was performed according to Cochrane guideline considering the inclusion of RCTs and quasi-RCTs about the effectiveness of speech-language therapy to treat dysphagia and dysphonia symptoms in systemic granulomatous diseases of the larynx and pharynx. Selection criteria: The outcome planned to be measured in this review were: swallowing impairment, frequency of chest infections and voice and swallowing symptoms. Data analysis: We identified 1,140 citations from all electronic databases. After an initial shift we only selected 9 titles to be retrieved in full-text. After full reading, there was no RCT found in this review and therefore, we only described the existing 2 case series studies. Results: There were no randomized controlled trials found in the literature. Therefore, two studies were selected to be included only for narratively analysis as they were case series. Conclusion: There is no evidence from high quality studies about the effectiveness of speech-language therapy in patients with granulomatous diseases of the larynx and pharynx. The investigators could rely in the outcomes suggested in this review to design their own clinical trials.
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The development of populations of gastrointestinal parasites resistant to antihelmintics has led to seeks new alternatives its control. Stimulation of natural immunity by means of animal nutrition has shown promising results in controlling nematodes in sheep. The addition of protected fat sources, containing essential fatty acids, may be an alternative due to many effects, among them, regulation of immunity expression and regulation of the inflammatory response by immune effectors. The aim of this study was to estimate correlations between haematological and parasitological patterns, animal performance through weight and body condition, under the influence of protected fat in ewes. Fifty Santa Ines sheep, in the final third of pregnancy or postpartum, in paddocks of Panicum maximum, received, individually, 200 g per day of concentrate, isonitrogenous and isocaloric diets, with or without the addition of protected fat. In general, except for total leukocytes and eosinophils, almost all of Pearson correlation coefficients of other variables were significant. However, the protected fat, in the amount offered, had no antihelmintic effect.
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Renal nephroblastoma is a malignant tumor composed by embryonic tissue that affects mainly puppies. This works reports the occurrence of unilateral renal nephroblastoma in a puppy with four months. The diagnosis was obtained by histopathological examination of mass obtained by exploratory laparotomy, with realization of nephrectomy. The animal died at 15 days post-operatively by the presence of pulmonary metastases. The survival rate with surgical excision of the mass, with or without complementary therapies, can vary with the stage of disease.