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A rubella serosurvey in postpartum women in the three regions of Peru

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Date
2007
Author
Suárez-Ognio, Luis
Adrianzén, Ana
Ortiz, Ana
Martínez, Carlos
Whittembury, Alvaro
Cabezudo, Edwin
Oliveira, Lucia de
Siqueira, Marilda M
Castillo-Solórzano, Carlos
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Abstract
OBJECTIVE: To determine the proportion of postpartum women aged 15-49 in Peru who are susceptible to rubella, in order to help address strategies to eliminate rubella and to prevent congenital rubella syndrome (CRS) in the country. METHODS: A cross-sectional survey was conducted during March and April 2003 in six main regional hospitals, in the three geographic regions (coast, mountain, and jungle) of Peru. For the postpartum women who provided written informed consent, a questionnaire was administered and a blood specimen was collected. Sera were tested for rubella immunoglobulin G (IgG) antibody, using a commercial enzyme-linked immunosorbent serologic assay (ELISA) kit. Univariate, bivariate, and multivariate analyses were carried out to assess risk factors for susceptibility. RESULTS: In total, 1 236 postpartum women were enrolled. The overall proportion of IgG-antibody negative women was 12.8 percent (95 percent confidence interval (CI): 10.9 percent-14.6 percent). Bivariate analysis found the following variables associated with susceptibility: living in the jungle region (odds ratio (OR) = 1.65; 95 percent CI: 1.13-2.42); age 19 years (OR = 2.02; 95 percent CI: 1.35-3.03); being a housewife (OR = 1.69; 95 percent CI: 1.12-2.55); and having 11 years of education (OR = 2.12; 95 percent CI :1.20-3.75). Multivariate analysis found the following variables were associated with susceptibility: living in the jungle region (OR = 1.67; 95 percent CI: 1.13-2.46); age 19 years (OR = 1.62; 95 percent CI: 1.07-2.47); having 4 children born alive (OR = 1.85; 95 percent CI: 1.00- 3.40); and having 11 years of education (OR = 2.07; 95 percent CI: 1.16-3.71). CONCLUSIONS: The proportion of postpartum women at the study sites who were found to be susceptible to rubella was 12.8 percent, placing Peru among the countries facing a moderate level of risk for the occurrence of CRS cases. The findings suggest the need to also provide...(AU)
 
OBJETIVO: Determinar la proporción de mujeres recién paridas de 15-49 años de edad susceptibles a la rubéola en Perú, a fin de contribuir a establecer estrategias para eliminar la rubéola y evitar el síndrome de rubéola congénita (SRC) en el país. MÉTODOS: Se realizó un estudio transversal en marzo y abril de 2003 en seis hospitales regionales principales de tres regiones geográficas (costa, sierra y selva) de Perú. A las mujeres recién paridas que dieron su consentimiento informado por escrito se les aplicó un cuestionario y se les tomó una muestra de sangre. La detección serológica de anticuerpos de la clase IgG contra rubéola se realizó mediante un ensayo inmunoenzimático comercial tipo ELISA. Se realizaron análisis con una, dos y múltiples variables para evaluar los factores de riesgo de ser susceptible a la enfermedad. RESULTADOS: En total participaron 1 236 mujeres recién paridas. La proporción de mujeres negativas a anticuerpos IgG contra rubéola fue de 12,8 por ciento (intervalo de confianza de 95 por ciento [IC95 por ciento]: 10,9 por ciento a 14,6 por ciento). Según el análisis bifactorial, las variables asociadas con la vulnerabilidad a la enfermedad fueron: vivir en la región de la selva (razón de posibilidades [odds ratio, OR] = 1,65; IC95 por ciento: 1,13 a 2,42); tener menor de 19 años de edad (OR = 2,02; IC95 por ciento: 1,35 a 3,03); ser ama de casa (OR = 1,69; IC95 por ciento: 1,12 a 2,55); y tener 11 años o menos de educación (OR = 2,12; IC95 por ciento: 1,20 a 3,75). Las variables asociadas con la vulnerabilidad a la enfermedad según el análisis multifactorial fueron: vivir en la región de la selva (OR = 1,67; IC95 por ciento: 1,13 a 2,46); tener menos de 19 años de edad (OR = 1,62; IC95 por ciento: 1,07 a 2,47); tener menos de 4 niños nacidos vivos (OR = 1,85; IC95 por ciento: 1,00 a 3,40); y tener 11 años o menos de educación (OR = 2,07; IC95 por ciento: 1,16 a 3,71). CONCLUSIONES: En la zona estudiada, la proporción...(AU)
 
Series
Rev Panam Salud Publica;22(2),ago. 2007
Subject
Rubella; Rubella syndrome; Disease Susceptibility; Seroepidemiologic studies; Immunization; Peru; Rubéola; Síndrome de rubéola congénita; Susceptibilidad a enfermedades; Estudios Seroepidemiológicos; Inmunización; Peru; Rubéola (Sarampo Alemão); Síndrome da Rubéola Congênita; Anticorpos Antivirais; Intervalos de Confiança; Estudos Transversais; Coleta de Dados; Interpretação Estatística de Dados; Suscetibilidade a Doenças; Ensaio de Imunoadsorção Enzimática; Imunoglobulina G; Consentimento Livre e Esclarecido; Razão de Chances; Peru; Período Pós-Parto; Fatores de Risco; Rubéola (Sarampo Alemão); Rubéola (Sarampo Alemão); Vírus da Rubéola; Estudos Soroepidemiológicos; Fatores Socioeconômicos
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892007000700005
https://iris.paho.org/handle/10665.2/7793
Citation
Suárez-Ognio, Luis,Adrianzén, Ana,Ortiz, Ana,Martínez, Carlos,Whittembury, Alvaro,Cabezudo, Edwin,Oliveira, Lucia de,Siqueira, Marilda M,Castillo-Solórzano, Carlos (2007) A rubella serosurvey in postpartum women in the three regions of Peru. Rev Panam Salud Publica;22(2) 110-117,aug. 2007. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892007000700005
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