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Prevalence of viral sexually transmitted infections and HPV high-risk genotypes in women in rural communities in the Department of la Paz, Bolivia

Artikel i vetenskaplig tidskrift
Författare Marianela Patzi Churqui
Katty Terrazas-Aranda
Jan-Åke Liljeqvist
Magnus Lindh
Kristina Eriksson
Publicerad i BMC Infectious Diseases
Volym 20
Nummer/häfte 1
Sidor 204
Publiceringsår 2020
Publicerad vid Institutionen för medicin, avdelningen för reumatologi och inflammationsforskning
Institutionen för biomedicin
Institutionen för biomedicin, avdelningen för infektionssjukdomar
Sidor 204
Språk en
Länkar https://bmcinfectdis.biomedcentral....
Ämnesord Bolivia, HBV, High-risk HPV, HIV, HSV-2, La Paz, Prevalence, Rural communities, Sexually transmitted infections, Women
Ämneskategorier Klinisk medicin, Hälsovetenskaper

Sammanfattning

© 2020 The Author(s). Background: Bolivia has the highest prevalence of cervical cancer in South America and the prevalence of viral sexually transmitted infections (STIs) among people in urban cities is increasing. Little is known about the prevalence of viral STIs in rural communities, which generally have limited access to health care. In order to study the prevalence of viral STIs in rural Bolivia, we recruited women from villages and towns in the Department of La Paz in Bolivia. Methods: Three hundred ninety-four female participants were assessed for IgG-antibodies to herpes simplex virus type 2 (HSV-2), human immunodeficiency virus (HIV) and hepatitis B virus (HBV, anti-HBc), as well as for the presence of HBV surface antigen (HBsAg) in dried blood spots. The prevalence of 12 high-risk types of human papillomavirus (HPV) was assessed by qPCR in dried cervicovaginal cell spots from 376 of these women. χ2 test was used to compare variables between the populations and binary logistic regression was used to identify risk factors associated with the positivity of the tests. Results: The seroprevalence of HSV-2 was 53% and of HBV 10.3%. HBAg was detected in 15.8% of women with anti-HBV antibodies indicating chronic infection. The frequency of high-risk HPV infection was 27%, with the most prevalent high-risk HPV types being HPV 56, 39 and 31 followed by HPV 16 and 18. Finally, none of the 394 women were seropositive for HIV, and about 64% of the studied population was positive for at least one of the viral infections. Conclusions: Women in Bolivian rural communities in La Paz show a high prevalence of HBV, HPV and, in particular, HSV-2. In contrast, none of the women were HIV positive, suggesting that the HIV prevalence in this population is low. The pattern of high-risk HPV types differed from many other countries with a predominance of HPV-types not included in the Gardasil vaccine which was officially introduced in Bolivia in April 2017.

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