Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay
- Autores
- Aráoz, Virginia; da Silva Silveira, Caroline; Moré, Gastón Andrés; Banchero, Georgget; Riet Correa, Franklin; Giannitti, Federico
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Sarcocystis spp. are causative agents of bovine eosinophilic myositis and/or myocarditis, which are chronic subclinical myopathies that are occasionally responsible for condemnation at slaughterhouses. Sarcocystis cruzi is a protozoan parasite of worldwide distribution transmitted by canids, most commonly associated with subclinical infection in cattle. Although S. cruzi infections can rarely lead to fatal systemic disease, fatal cardiac cases with confirmation of the etiologic diagnosis have not been reported, to our knowledge. We describe herein an unusual case of S. cruzi–induced fatal bovine eosinophilic myocarditis. A 22-mo-old, Holstein–Hereford heifer, in a group of 110 cattle on pasture, manifested growth retardation and died in February 2017. Autopsy revealed myriad yellow-green 1–3-mm coalescing foci, surrounded by fibrosis, affecting ~75% of the ventricular myocardium. Pulmonary edema, ascites, and hydrothorax were consistent with chronic congestive heart failure. Histology revealed severe eosinophilic, granulomatous, necrotizing myocarditis, with multinucleate giant cells, fibrosis, and mineralization. Numerous thin-walled protozoan cysts resembling Sarcocystis spp. were present in the necrotic foci and within the sarcoplasm of adjacent cardiomyocytes. PCR and sequencing of the 18S rRNA gene revealed 99.9–100% homology with S. cruzi. Sarcocystosis can be a rare cause of fatal myocarditis in cattle.
Fil: Aráoz, Virginia. Instituto Nacional de Investigación Agropecuaria; Uruguay
Fil: da Silva Silveira, Caroline. Instituto Nacional de Investigación Agropecuaria; Uruguay
Fil: Moré, Gastón Andrés. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Departamento de Epizootiología y Salud Pública. Laboratorio de Inmunoparasitología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Banchero, Georgget. Instituto Nacional de Investigación Agropecuaria; Uruguay
Fil: Riet Correa, Franklin. Instituto Nacional de Investigación Agropecuaria; Uruguay
Fil: Giannitti, Federico. Instituto Nacional de Investigación Agropecuaria; Uruguay - Materia
-
CATTLE
EOSINOPHILIC MYOCARDITIS
FATALITY
SARCOCYSTIS CRUZI
SARCOCYSTOSIS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/127937
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Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in UruguayAráoz, Virginiada Silva Silveira, CarolineMoré, Gastón AndrésBanchero, GeorggetRiet Correa, FranklinGiannitti, FedericoCATTLEEOSINOPHILIC MYOCARDITISFATALITYSARCOCYSTIS CRUZISARCOCYSTOSIShttps://purl.org/becyt/ford/4.3https://purl.org/becyt/ford/4Sarcocystis spp. are causative agents of bovine eosinophilic myositis and/or myocarditis, which are chronic subclinical myopathies that are occasionally responsible for condemnation at slaughterhouses. Sarcocystis cruzi is a protozoan parasite of worldwide distribution transmitted by canids, most commonly associated with subclinical infection in cattle. Although S. cruzi infections can rarely lead to fatal systemic disease, fatal cardiac cases with confirmation of the etiologic diagnosis have not been reported, to our knowledge. We describe herein an unusual case of S. cruzi–induced fatal bovine eosinophilic myocarditis. A 22-mo-old, Holstein–Hereford heifer, in a group of 110 cattle on pasture, manifested growth retardation and died in February 2017. Autopsy revealed myriad yellow-green 1–3-mm coalescing foci, surrounded by fibrosis, affecting ~75% of the ventricular myocardium. Pulmonary edema, ascites, and hydrothorax were consistent with chronic congestive heart failure. Histology revealed severe eosinophilic, granulomatous, necrotizing myocarditis, with multinucleate giant cells, fibrosis, and mineralization. Numerous thin-walled protozoan cysts resembling Sarcocystis spp. were present in the necrotic foci and within the sarcoplasm of adjacent cardiomyocytes. PCR and sequencing of the 18S rRNA gene revealed 99.9–100% homology with S. cruzi. Sarcocystosis can be a rare cause of fatal myocarditis in cattle.Fil: Aráoz, Virginia. Instituto Nacional de Investigación Agropecuaria; UruguayFil: da Silva Silveira, Caroline. Instituto Nacional de Investigación Agropecuaria; UruguayFil: Moré, Gastón Andrés. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Departamento de Epizootiología y Salud Pública. Laboratorio de Inmunoparasitología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Banchero, Georgget. Instituto Nacional de Investigación Agropecuaria; UruguayFil: Riet Correa, Franklin. Instituto Nacional de Investigación Agropecuaria; UruguayFil: Giannitti, Federico. Instituto Nacional de Investigación Agropecuaria; UruguayAmerican Association of Veterinary Laboratory Diagnosticians2019-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/127937Aráoz, Virginia; da Silva Silveira, Caroline; Moré, Gastón Andrés; Banchero, Georgget; Riet Correa, Franklin; et al.; Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay; American Association of Veterinary Laboratory Diagnosticians; Journal of Veterinary Diagnostic Investigation; 31; 4; 7-2019; 656-6601040-6387CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/10.1177/1040638719856651info:eu-repo/semantics/altIdentifier/doi/10.1177/1040638719856651info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:01:31Zoai:ri.conicet.gov.ar:11336/127937instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:01:31.337CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
title |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
spellingShingle |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay Aráoz, Virginia CATTLE EOSINOPHILIC MYOCARDITIS FATALITY SARCOCYSTIS CRUZI SARCOCYSTOSIS |
title_short |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
title_full |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
title_fullStr |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
title_full_unstemmed |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
title_sort |
Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay |
dc.creator.none.fl_str_mv |
Aráoz, Virginia da Silva Silveira, Caroline Moré, Gastón Andrés Banchero, Georgget Riet Correa, Franklin Giannitti, Federico |
author |
Aráoz, Virginia |
author_facet |
Aráoz, Virginia da Silva Silveira, Caroline Moré, Gastón Andrés Banchero, Georgget Riet Correa, Franklin Giannitti, Federico |
author_role |
author |
author2 |
da Silva Silveira, Caroline Moré, Gastón Andrés Banchero, Georgget Riet Correa, Franklin Giannitti, Federico |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
CATTLE EOSINOPHILIC MYOCARDITIS FATALITY SARCOCYSTIS CRUZI SARCOCYSTOSIS |
topic |
CATTLE EOSINOPHILIC MYOCARDITIS FATALITY SARCOCYSTIS CRUZI SARCOCYSTOSIS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.3 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
Sarcocystis spp. are causative agents of bovine eosinophilic myositis and/or myocarditis, which are chronic subclinical myopathies that are occasionally responsible for condemnation at slaughterhouses. Sarcocystis cruzi is a protozoan parasite of worldwide distribution transmitted by canids, most commonly associated with subclinical infection in cattle. Although S. cruzi infections can rarely lead to fatal systemic disease, fatal cardiac cases with confirmation of the etiologic diagnosis have not been reported, to our knowledge. We describe herein an unusual case of S. cruzi–induced fatal bovine eosinophilic myocarditis. A 22-mo-old, Holstein–Hereford heifer, in a group of 110 cattle on pasture, manifested growth retardation and died in February 2017. Autopsy revealed myriad yellow-green 1–3-mm coalescing foci, surrounded by fibrosis, affecting ~75% of the ventricular myocardium. Pulmonary edema, ascites, and hydrothorax were consistent with chronic congestive heart failure. Histology revealed severe eosinophilic, granulomatous, necrotizing myocarditis, with multinucleate giant cells, fibrosis, and mineralization. Numerous thin-walled protozoan cysts resembling Sarcocystis spp. were present in the necrotic foci and within the sarcoplasm of adjacent cardiomyocytes. PCR and sequencing of the 18S rRNA gene revealed 99.9–100% homology with S. cruzi. Sarcocystosis can be a rare cause of fatal myocarditis in cattle. Fil: Aráoz, Virginia. Instituto Nacional de Investigación Agropecuaria; Uruguay Fil: da Silva Silveira, Caroline. Instituto Nacional de Investigación Agropecuaria; Uruguay Fil: Moré, Gastón Andrés. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Departamento de Epizootiología y Salud Pública. Laboratorio de Inmunoparasitología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Banchero, Georgget. Instituto Nacional de Investigación Agropecuaria; Uruguay Fil: Riet Correa, Franklin. Instituto Nacional de Investigación Agropecuaria; Uruguay Fil: Giannitti, Federico. Instituto Nacional de Investigación Agropecuaria; Uruguay |
description |
Sarcocystis spp. are causative agents of bovine eosinophilic myositis and/or myocarditis, which are chronic subclinical myopathies that are occasionally responsible for condemnation at slaughterhouses. Sarcocystis cruzi is a protozoan parasite of worldwide distribution transmitted by canids, most commonly associated with subclinical infection in cattle. Although S. cruzi infections can rarely lead to fatal systemic disease, fatal cardiac cases with confirmation of the etiologic diagnosis have not been reported, to our knowledge. We describe herein an unusual case of S. cruzi–induced fatal bovine eosinophilic myocarditis. A 22-mo-old, Holstein–Hereford heifer, in a group of 110 cattle on pasture, manifested growth retardation and died in February 2017. Autopsy revealed myriad yellow-green 1–3-mm coalescing foci, surrounded by fibrosis, affecting ~75% of the ventricular myocardium. Pulmonary edema, ascites, and hydrothorax were consistent with chronic congestive heart failure. Histology revealed severe eosinophilic, granulomatous, necrotizing myocarditis, with multinucleate giant cells, fibrosis, and mineralization. Numerous thin-walled protozoan cysts resembling Sarcocystis spp. were present in the necrotic foci and within the sarcoplasm of adjacent cardiomyocytes. PCR and sequencing of the 18S rRNA gene revealed 99.9–100% homology with S. cruzi. Sarcocystosis can be a rare cause of fatal myocarditis in cattle. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-07 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/127937 Aráoz, Virginia; da Silva Silveira, Caroline; Moré, Gastón Andrés; Banchero, Georgget; Riet Correa, Franklin; et al.; Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay; American Association of Veterinary Laboratory Diagnosticians; Journal of Veterinary Diagnostic Investigation; 31; 4; 7-2019; 656-660 1040-6387 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/127937 |
identifier_str_mv |
Aráoz, Virginia; da Silva Silveira, Caroline; Moré, Gastón Andrés; Banchero, Georgget; Riet Correa, Franklin; et al.; Fatal Sarcocystis cruzi–induced eosinophilic myocarditis in a heifer in Uruguay; American Association of Veterinary Laboratory Diagnosticians; Journal of Veterinary Diagnostic Investigation; 31; 4; 7-2019; 656-660 1040-6387 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://journals.sagepub.com/doi/10.1177/1040638719856651 info:eu-repo/semantics/altIdentifier/doi/10.1177/1040638719856651 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
American Association of Veterinary Laboratory Diagnosticians |
publisher.none.fl_str_mv |
American Association of Veterinary Laboratory Diagnosticians |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842269701407768576 |
score |
13.13397 |