Resultado da pesquisa (4)

Termo utilizado na pesquisa stillborn

#1 - Methodology used in the evaluation of stillborns and aborted fetuses from swine, 30(12):1058-1063

Abstract in English:

ABSTRACT.- Pescador C.A., Bandarra P.M., Antoniassi N.A.B., Santos A.S., Oliveira E.C., Barcellos D.E.S.N. & Driemeier D. 2010. [Methodology used in the evaluation of stillborns and aborted fetuses from swine.] Metodologia aplicada na avaliação de fetos suínos abortados e natimortos. Pesquisa Veterinária Brasileira 30(12):1058-1063. Laboratório de Patologia Veterinária, Faculdade de Agronomia e Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa s/n, Coxipó, Cuiabá, MT 78069-900, Brazil. E-mail: capescador@ufmt.br This paper reviews information on necropsies in stillborn and aborted fetuses from swine. Aspects dealt with include sampling collection, necropsy procedures, gross and histopathological findings, some of which are of little or no pathological significance but often observed in the routine diagnostic work and misinterpreted as real or important lesions.

Abstract in Portuguese:

RESUMO.- Pescador C.A., Bandarra P.M., Antoniassi N.A.B., Santos A.S., Oliveira E.C., Barcellos D.E.S.N. & Driemeier D. 2010. [Methodology used in the evaluation of stillborns and aborted fetuses from swine.] Metodologia aplicada na avaliação de fetos suínos abortados e natimortos. Pesquisa Veterinária Brasileira 30(12):1058-1063. Laboratório de Patologia Veterinária, Faculdade de Agronomia e Medicina Veterinária, Universidade Federal de Mato Grosso, Av. Fernando Corrêa da Costa s/n, Coxipó, Cuiabá, MT 78069-900, Brazil. E-mail: capescador@ufmt.br Este artigo revisa dados relativos à realização de necropsia em fetos suínos abortados e natimortos. Aspectos descritos incluem coleta de material, procedimentos de necropsia, achados macroscópicos e histopatológicos alguns dos quais de pouco ou nenhum significado patológico são frequentemente observados numa rotina de diagnóstico e geralmente interpretados erroneamente como lesões reais ou de importância.


#2 - Arterial vascularization of the thoracic lobes of the thymus in stillborns of the lineage C40, 29(10):863-867

Abstract in English:

RESUMO.- Lima E.M.M., Silva F.O.C, Rafael E.L.S., Severino R.S., Drummond S.S., Bombonato P.P. & Dianese D.M. 2009. [Arterial vascularization of the thoracic lobes of the thymus in stillborns of the lineage C40.] Vascularização arterial dos lobos torácicos do timo em fetos de suínos da Linhagem C40. Pesquisa Veterinária Brasileira 29(11):863-867. Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília, ICC, Ala Sul, Campus Universitário Darcy Ribeiro, Cx. Postal 4508, Brasília, DF 70910-970, Brazil. E-mail: limaemm@unb.br As origens e distribuições das artérias que vascularizaram os lobos torácicos do timo foram estudadas em 30 suínos da linhagem C40, fetos, sendo 12 machos e 18 fêmeas. Os exemplares tiveram o sistema arterial preenchido com solução aquosa de, a 50% de Neoprene Látex, corado e, em seguida foram submetidos à fixação em solução aquosa, a 10%, de formaldeído. Os lobos torácicos do timo foram vascularizados por ramos diretos das artérias torácica interna direita (63,33%) e esquerda (53,33%), subclávia esquerda (3,33%), vertebral esquerda (3,33%), cervical superficial direita (3,33%) e esquerda (3,33%), carótida comum esquerda (3,33%), coronária direita (3,33%) e pelos troncos braquiocefálico (33,33%) e costocervical (3,33%). Observou ainda os ramos indiretos das artérias torácica interna direita (70%) e esquerda (76,67%), subclávia esquerda (23,33%), cervical superficial esquerda (3,33%) e do arco aórtico (6,67%).

Abstract in Portuguese:

ABSTRACT.- Lima E.M.M., Silva F.O.C, Rafael E.L.S., Severino R.S., Drummond S.S., Bombonato P.P. & Dianese D.M. 2009. [Arterial vascularization of the thoracic lobes of the thymus in stillborns of the lineage C40.] Vascularização arterial dos lobos torácicos do timo em fetos de suínos da Linhagem C40. Pesquisa Veterinária Brasileira 29(11):863-867. Faculdade de Agronomia e Medicina Veterinária, Universidade de Brasília, ICC, Ala Sul, Campus Universitário Darcy Ribeiro, Cx. Postal 4508, Brasília, DF 70910-970, Brazil. E-mail: limaemm@unb.br The origins and distributions of the arteries that vascularization the thoracic lobes of the thymus, right and left, were studied in 30 swine of the lineage C40, fetus, being 12 males and 18 females. The animals had the arterial system filled with aqueous colored solution in a 50% of Neoprene Latex, and than were fixed in 10% aqueous solution formaldehyde. The thoracic lobes of thymus were vascularization by direct branches of the right (53.33%) and left (63.33%) internal thoracic arteries, left subclavian (3.33%), left vertebral (3.33%), right (3.33%) and left (3.33%) superficial cervical, left common carotid (3.33%), right coronary (3.33%) and brachiocephalic trunk (33.33%) and costocervical trunk (3.33%). The right internal thoracic arteries (70%) and left internal thoracic (76.67%), left subclavian (23.33%), left superficial cervical (3.33%) of the aortic arch (6.67%) provided indirect branches for the correspondent thoracic lobes of the thymus in each side.


#3 - Co-infection by porcine circovirus type 2 and porcine parvovirus in aborted fetuses and stillborn piglets in southern Brazil, p.425-429

Abstract in English:

Abstract.- Pescador C.A., Bandarra P.M., Castro L.A., Antoniassi N.A.B., Ravazollo, A.P., Sonne L. Cruz C.E.F. & Driemeier D. 2007. Co-infection by porcine circovirus type 2 and porcine parvovirus in aborted fetuses and stillborn piglets in southern Brazil. Pesquisa Veterinária Brasileira 27(10):425-429. Departamento de Patologia Clínica Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS 91540-000, Brazil. E-mail: davetpat@ufrgs.br Porcine circovirus types 1 and 2 (PCV1, PCV2) and porcine parvovirus (PPV) are widespread in pig populations around the world. Nevertheless, only PCV2 has been associated with different clinical syndromes, thus representing a major problem to the pig industry. The association of cases of swine abortions and stillborns with PCV1 and PCV2 and PPV was studied retrospectively (2005-2007). Additional pathogens were also investigated in lesioned fetuses. The studied litters included stillborn piglets and several mummified fetuses of varied sizes. Ventricular dilatation, myocardial pale areas, and mesocolic edema were the gross lesions. Escherichia coli was detected as co-infecting with PCV2 the cases in which mesocolic edema was seen. Microscopic lesions included non-suppurative myocarditis, myocardial necrosis and fibrosis, mineralization foci and intranuclear inclusion bodies in cardiomyocytes, and interstitial mononuclear pneumonia. Samples from 7 (5.78 per cent) of 121 aborted fetuses and stillborn piglets had lesions consistent with a viral cause and showed both positive anti-PCV2 immunostaining as well as PCV2-PCR. In samples from 3 (2.47 per cent) of these 7 fetuses, co-infection with PPV was confirmed by Nested-PCR. Both viruses were detected in fetuses at different stages of gestation. Viral antigens of PCV2 were detected by immunohistochemistry mainly in macrophages and myocytes. PCV1 individually was not detected in any of these affected fetuses, but it was associated with PCV2 and/or PPV in some of them. These findings indicate that PCV2 alone or in association with PPV should be kept in mind when investigating causes of infectious abortion in pigs in Brazil.

Abstract in Portuguese:

Abstract.- Pescador C.A., Bandarra P.M., Castro L.A., Antoniassi N.A.B., Ravazollo, A.P., Sonne L. Cruz C.E.F. & Driemeier D. 2007. Co-infection by porcine circovirus type 2 and porcine parvovirus in aborted fetuses and stillborn piglets in southern Brazil. Pesquisa Veterinária Brasileira 27(10):425-429. Departamento de Patologia Clínica Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS 91540-000, Brazil. E-mail: davetpat@ufrgs.br Porcine circovirus types 1 and 2 (PCV1, PCV2) and porcine parvovirus (PPV) are widespread in pig populations around the world. Nevertheless, only PCV2 has been associated with different clinical syndromes, thus representing a major problem to the pig industry. The association of cases of swine abortions and stillborns with PCV1 and PCV2 and PPV was studied retrospectively (2005-2007). Additional pathogens were also investigated in lesioned fetuses. The studied litters included stillborn piglets and several mummified fetuses of varied sizes. Ventricular dilatation, myocardial pale areas, and mesocolic edema were the gross lesions. Escherichia coli was detected as co-infecting with PCV2 the cases in which mesocolic edema was seen. Microscopic lesions included non-suppurative myocarditis, myocardial necrosis and fibrosis, mineralization foci and intranuclear inclusion bodies in cardiomyocytes, and interstitial mononuclear pneumonia. Samples from 7 (5.78 per cent) of 121 aborted fetuses and stillborn piglets had lesions consistent with a viral cause and showed both positive anti-PCV2 immunostaining as well as PCV2-PCR. In samples from 3 (2.47 per cent) of these 7 fetuses, co-infection with PPV was confirmed by Nested-PCR. Both viruses were detected in fetuses at different stages of gestation. Viral antigens of PCV2 were detected by immunohistochemistry mainly in macrophages and myocytes. PCV1 individually was not detected in any of these affected fetuses, but it was associated with PCV2 and/or PPV in some of them. These findings indicate that PCV2 alone or in association with PPV should be kept in mind when investigating causes of infectious abortion in pigs in Brazil.


#4 - Perdas reprodutivas associadas com infecção por Toxoplasma gondii em caprinos no sul do Brasil, p.167-171

Abstract in English:

ABSTRACT.- Pescador C.A., Oliveira E.C., Pedroso P.M.O., Bandarra P.M., Okuda L.H., Corbellini L.G. & Driemeier D. 2007. [Reproductive losses linked to Toxoplasma gondii infection in goats in southern Brazil.] Perdas reprodutivas associadas com infecção por Toxoplasma gondii em caprinos no sul do Brasil. Pesquisa Veterinária Brasileira 27(4):167-171. Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS 91540-000, Brazil. E-mail: davetpat@ufrgs.br Toxoplasma gondii was implicated with reproductive losses in a goat herd in Rio Grande do Sul, Brazil. Gross changes were present in 2 out of 6 fetuses/offsprings submitted for diagnosis and included enlarged, pale mesenteric lymph nodes, and edematous, mottled red and tan lungs. Microscopic changes were observed in most fetuses and were especially characterized by lymphoplasmacytic infiltration in the brain and lungs. Other histological changes included lymphoplasmacytic interstitial nephritis, necrotizing lymphadenitis and periportal lympho-plasmacytic cell infiltrates. While bacteriological and direct immunofluorescent antibody tests for Leptospira sp. were negative in samples from all cases, immunohistochemical and PCR procedures for Toxoplasma gondii reacted positively in most of them. Antibody titles against T. gondii varying from 1:512 to 1:2048 were detected in serum samples from the mother goats of these aborted (1), stillborn (3) or dead newborn (2) kids. This paper describes the clinical, pathological, serological, molecular and immunohistochemical findings of a Toxoplasma gondii-infected goat flock.

Abstract in Portuguese:

ABSTRACT.- Pescador C.A., Oliveira E.C., Pedroso P.M.O., Bandarra P.M., Okuda L.H., Corbellini L.G. & Driemeier D. 2007. [Reproductive losses linked to Toxoplasma gondii infection in goats in southern Brazil.] Perdas reprodutivas associadas com infecção por Toxoplasma gondii em caprinos no sul do Brasil. Pesquisa Veterinária Brasileira 27(4):167-171. Departamento de Patologia Clínica Veterinária, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9090, Porto Alegre, RS 91540-000, Brazil. E-mail: davetpat@ufrgs.br Toxoplasma gondii was implicated with reproductive losses in a goat herd in Rio Grande do Sul, Brazil. Gross changes were present in 2 out of 6 fetuses/offsprings submitted for diagnosis and included enlarged, pale mesenteric lymph nodes, and edematous, mottled red and tan lungs. Microscopic changes were observed in most fetuses and were especially characterized by lymphoplasmacytic infiltration in the brain and lungs. Other histological changes included lymphoplasmacytic interstitial nephritis, necrotizing lymphadenitis and periportal lympho-plasmacytic cell infiltrates. While bacteriological and direct immunofluorescent antibody tests for Leptospira sp. were negative in samples from all cases, immunohistochemical and PCR procedures for Toxoplasma gondii reacted positively in most of them. Antibody titles against T. gondii varying from 1:512 to 1:2048 were detected in serum samples from the mother goats of these aborted (1), stillborn (3) or dead newborn (2) kids. This paper describes the clinical, pathological, serological, molecular and immunohistochemical findings of a Toxoplasma gondii-infected goat flock.


Colégio Brasileiro de Patologia Animal SciELO Brasil CAPES CNPQ UNB UFRRJ CFMV