Asunto(s)
Malaria , Modelos Teóricos , Complicaciones Infecciosas del Embarazo , Sociología Médica , Adolescente , Adulto , África/epidemiología , Anemia/etiología , Antimaláricos/administración & dosificación , Antimaláricos/uso terapéutico , Actitud Frente a la Salud , Cultura , Femenino , Enfermedades Fetales/etiología , Enfermedades Fetales/parasitología , Enfermedades Fetales/prevención & control , Accesibilidad a los Servicios de Salud , Humanos , Recién Nacido , Malaria/tratamiento farmacológico , Malaria/epidemiología , Malaria/prevención & control , Malaria/psicología , Medicinas Tradicionales Africanas , Control de Mosquitos/organización & administración , Aceptación de la Atención de Salud , Embarazo , Complicaciones Infecciosas del Embarazo/tratamiento farmacológico , Complicaciones Infecciosas del Embarazo/epidemiología , Complicaciones Infecciosas del Embarazo/prevención & control , Complicaciones Infecciosas del Embarazo/psicología , Embarazo en Adolescencia/psicología , Atención Prenatal , Medición de Riesgo , Factores SocioeconómicosRESUMEN
Seventeen sows were fed 1,000 Toxoplasma gondii oocysts of isolates GT-1 or PT-1 at 32 to 92 days of gestation, and the products of conception were examined for T gondii antibodies and parasites. Twelve of these sows were euthanatized near term between 21 and 62 days after being fed T gondii; fetal body fluids or fetal sera were examined for agglutinating T gondii antibodies, and tissues were bioassayed in mice for T gondii parasites. Six sows produced pigs that had been transplacentally infected with T gondii; one of them aborted a T gondii-infected fetus 17 days after ingesting oocytes. Agglutinating antibodies were detected in fetuses infected in utero, but transplacental transfer of T gondii antibodies was not observed in noninfected fetuses. Transcolostrally acquired T gondii antibodies disappeared by 3 months of age. Diagnosis of transplacental toxoplasmosis was confirmed on the basis of detection of T gondii organisms in fetal tissues by use of histologic examination and bioassay in mice. In conclusion, finding of T gondii antibodies in body fluids could serve as a rapid screening test for transplacental T gondii infection in pigs.