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Type: Artigo de periódico
Title: Prevalence of Human Papillomavirus Infection and Associated Risk Factors in Young Women in Brazil, Canada, and the United States: A Multicenter Cross-sectional Study
Author: Roteli-Martins, CM
de Carvalho, NS
Naud, P
Teixeira, J
Borba, P
Derchain, S
Tyring, S
Gall, S
Diaz, A
Blatter, M
Shier, RM
Romanowski, B
Quint, WGV
Issam, J
Galindo, C
Schuind, A
Dubin, G
Abstract: To determine the prevalence of cervical human papillomavirus (HPV) infection and risk factors in young women from Brazil, Canada, and the USA. Cross-sectional study in 3204 healthy women, aged 15 to 25 years. Cervical samples were collected for cytology and for HPV DNA detection (SPF(10)-LiPA(25) system). Serum samples were collected for the measurement of HPV-16 and HPV-18 antibodies by enzyme-linked immunosorbent assay. Risk factors were obtained through a questionnaire. Overall, 26.6% of women had DNA detected for at least 1 HPV type. The prevalence for oncogenic HPV types was 21.7% (25% in Brazil, 16.9% in Canada, and 19.1% in the USA). HPV-16 was the most prevalent oncogenic type (5.2%). The next most common oncogenic HPV types were 51 (3.3%), 52 (3.3%), 31 (2.9%), 66 (2.3%), and 39 (2.0%). Multiple oncogenic types were detected in one-third of the infections. The prevalence of HPV-16 and/or HPV-18 infections detected by DNA and/or enzyme-linked immunosorbent assay was 24.8%. The majority of women (85%) had a normal cervical cytology. Sexual behavior was the main determinant for HPV-16/18 infections and squamous intraepithelial lesions. The prevalence of HPV oncogenic infections was high and linked to sexual behavior. Strategies to reduce the burden of oncogenic HPV infection, such as prophylactic vaccination programs, are likely to impact the burden of disease due to cervical precancer and cancer.
Subject: Human papillomavirus
Risk factor
Country: EUA
Editor: Lippincott Williams & Wilkins
Rights: fechado
Identifier DOI: 10.1097/PGP.0b013e3181f38dfe
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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