Prevalencia de Anaplasma phagocytophilum y Anaplasma platys en sangre y garrapatas de perros que visitan parques públicos de Costa Rica
Fecha
2014-03-07
Autores
Bonilla González, Marta Cristina
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Editor
Universidad Nacional, Costa Rica
Resumen
Este estudio reporta por primera vez la prevalencia de A. phagocytophilum y A. platys
en perros que visitan los parques públicos de Costa Rica. Se analizaron un total de 408 sueros,
374 sangres y 122 grupos de garrapatas de perros que visitaron parques recreativos de Costa
Rica durante los años 2011 y 2012, para determinar la seroprevalencia de A. phagocytophilum
y la prevalencia de A. phagocytophilum y A. platys en los perros y sus garrapatas. De un total
de 408 sueros, 11 perros (2.7%) resultaron positivos en la Inmunofluorescencia Indirecta de A.
phagocytophilum, estos mismos perros se determinaron con infección pasada. De 374
muestras de sangre, un perro (0.3%) resultó positivo en la Reacción en Cadena de la
Polimerasa (PCR) de A. phagocytophilum, éste provenía del Parque Central de Cañas,
Guanacaste, y éste mismo perro fue determinado con infección activa de A. phagocytophilum.
De 122 grupos de garrapatas analizados, un grupo (0.8%) de garrapatas R. sanguineus resultó
positivo en la PCR de A. phagocytophilum, este grupo de garrapatas pertenecía a un perro que
provenía del Parque de La Paz, San José. De un total de 374 muestras de sangre de perro
analizadas en la PCR para A. platys, resultaron positivas cuatro perros (1%), dos que
provenían del Parque Central de Cañas, Guanacaste, y dos del Parque Central de Quebrada
Ganado, Puntarenas, estos cuatro perros fueron determinados con infección activa de A. platys.
De los 122 grupos de garrapatas analizados en la PCR para A. platys, ninguna de las muestras
resultó positiva.
This study reports for the first time the prevalence of A. phagocytophilum and A. platys in dogs who visited public parks of Costa Rica. During 2011 and 2012 a total of 408 serum samples, 374 blood samples and 122 groups of ticks were collected from dogs who visited recreational parks of Costa Rica, and analyzed to determine the seroprevalence of A. phagocytophilum and the prevalence of A. phagocytophilum and A. platys. From a total of 408 sera analyzed with Indirect Immunoflourescence Assay, 11 (2.7 %) reacted positive for A. phagocytophilum, the dogs were determined with past infections. Of 374 blood samples analyzed with Polymerase Chain Reaction (PCR), only one dog (0.3 %) from Parque Central de Cañas, Guanacaste, was determined positive for A. phagocytophilum, this dog was determined with active infection of A. phagocytophilum. From 122 groups of ticks analyzed, one R. sanguineus group (0.8 %) was detected positive for A. phagocytophilum in PCR, this group of ticks was found on a dog from Parque de La Paz, San Jose. From the total of 374 blood samples analyzed with PCR for the presence of A. platys, four dogs (1%) yielded positive results, two from Parque Central de Cañas, Guanacaste and two from Parque Central de Quebrada Ganado, Puntarenas, these four dogs were determined with active infection of A. platys. None of the ticks were positive to A. platys
This study reports for the first time the prevalence of A. phagocytophilum and A. platys in dogs who visited public parks of Costa Rica. During 2011 and 2012 a total of 408 serum samples, 374 blood samples and 122 groups of ticks were collected from dogs who visited recreational parks of Costa Rica, and analyzed to determine the seroprevalence of A. phagocytophilum and the prevalence of A. phagocytophilum and A. platys. From a total of 408 sera analyzed with Indirect Immunoflourescence Assay, 11 (2.7 %) reacted positive for A. phagocytophilum, the dogs were determined with past infections. Of 374 blood samples analyzed with Polymerase Chain Reaction (PCR), only one dog (0.3 %) from Parque Central de Cañas, Guanacaste, was determined positive for A. phagocytophilum, this dog was determined with active infection of A. phagocytophilum. From 122 groups of ticks analyzed, one R. sanguineus group (0.8 %) was detected positive for A. phagocytophilum in PCR, this group of ticks was found on a dog from Parque de La Paz, San Jose. From the total of 374 blood samples analyzed with PCR for the presence of A. platys, four dogs (1%) yielded positive results, two from Parque Central de Cañas, Guanacaste and two from Parque Central de Quebrada Ganado, Puntarenas, these four dogs were determined with active infection of A. platys. None of the ticks were positive to A. platys
Descripción
Modalidad: Tesis
Palabras clave
PERRO, ANAPLASMOSIS, DIAGNOSTICO DE LABORATORIO, GARRAPATAS, SANGRE, SUERO, COSTA RICA