Whooping cough: the evaluation of 10 years of laboratory diagnosis in the Northwest region of São Paulo state, 2001-2011

 The purpose of this study was evaluate the laboratory diagnosis of pertussis by the Regional Laboratory Center of the Institute Adolfo Lutz, São José do Rio Preto – X, between April 2001 and March 2011. A total of 508 samples was performed using Reagan-Lowe (RL) medium, with 10% sheep bloo...

Descripción completa

Detalles Bibliográficos
Autores: Zago Castanheira de Almeida, Ivete Aparecida, Fusco Marques, Denise, Cardiga Alves, Elisabete, Maldonado da Silva, Patrícia, Leite, Daniela
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:Brasil
Institución:Secretaria de Estado da Saúde de São Paulo (SES-SP)
Repositorio:BEPA. Boletim epidemiológico paulista (Online)
Idioma:portugués
OAI Identifier:oai:ojs.periodicos.saude.sp.gov.br:article/38435
Acceso en línea:https://periodicos.saude.sp.gov.br/BEPA182/article/view/38435
Access Level:acceso abierto
Palabra clave:Coqueluche
Bordetella pertussis
Diagnóstico laboratorial
Wooping cough
Laboratory diagnosis
Descripción
Sumario: The purpose of this study was evaluate the laboratory diagnosis of pertussis by the Regional Laboratory Center of the Institute Adolfo Lutz, São José do Rio Preto – X, between April 2001 and March 2011. A total of 508 samples was performed using Reagan-Lowe (RL) medium, with 10% sheep blood and cephalexin 40 μg/mL for transportation and culture. The RT-PCR and detecting the presence of somatic antigen O1 were performed at IAL Central, Sao Paulo, SP. Among the analyzed samples the total positivity was 7.%. In 293 suspected cases and 215 contacts, 27 (9.2%) and 9 (4.2%) were positive, respectively. Until 2009 october, before the deployment of RT-PCR, 321 samples were analyzed by culture with 19 (5.9%) positive cases. After this period, 187 samples were analyzed by culture and by RT-PCR with 9,1% of positivity only by PCR. In children younger than 3 months, 15 (55.6%) were positive and in less than one year, 24 (88.9%). By laboratory results, is possible to evaluate the disease compared to immunization programs and the protocol of prophylaxis and therapy.