Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns

The aims of this study were to describe the evolution of acute hepatitis C virus (HCV) infections since 2004 and to determine its associated factors. Acute HCV infections diagnosed in Barcelona from 2004 to 2015 were included. Incidence ratios (IR) were then estimated for sex and age groups. Cases w...

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Main Authors: Garriga-Fuentes, C, Manzanares-Laya, S, Garcia de Olalla, P, Gorrindo, P, Lens, S, Solà, R, Martínez-Rebollar, M, Laguno, M, Navarro, J, Torras, X, Gurguí, M, Barberá, M, Quer, J, Masdeu, E, Simón, P, Ros, M, de Andrés, A, Caylà, J
Format: Journal article
Published: Public Library of Science 2017
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author Garriga-Fuentes, C
Manzanares-Laya, S
Garcia de Olalla, P
Gorrindo, P
Lens, S
Solà, R
Martínez-Rebollar, M
Laguno, M
Navarro, J
Torras, X
Gurguí, M
Barberá, M
Quer, J
Masdeu, E
Simón, P
Ros, M
de Andrés, A
Caylà, J
author_facet Garriga-Fuentes, C
Manzanares-Laya, S
Garcia de Olalla, P
Gorrindo, P
Lens, S
Solà, R
Martínez-Rebollar, M
Laguno, M
Navarro, J
Torras, X
Gurguí, M
Barberá, M
Quer, J
Masdeu, E
Simón, P
Ros, M
de Andrés, A
Caylà, J
author_sort Garriga-Fuentes, C
collection OXFORD
description The aims of this study were to describe the evolution of acute hepatitis C virus (HCV) infections since 2004 and to determine its associated factors. Acute HCV infections diagnosed in Barcelona from 2004 to 2015 were included. Incidence ratios (IR) were then estimated for sex and age groups. Cases were grouped between 2004-2005, 2006-2011 and 2012-2015, and their incidence rate ratios (IRR) were calculated. In addition, risk factors for acute HCV infection were identified using multinomial logistic regression for complete, available and multiple imputed data. 204 new HCV cases were identified. Two peaks of higher IR of acute HCV infection in 2005 and 2013 were observed. Men and those aged 35 – 54 had higher IR. IRR for men was 2.9 times greater than in women (95% confidence intervals (CI): 1.8 ‒ 4.7). Factors related to the period 2012 – 2015 (versus 2006 – 2011) were: a) sexual risk factor for transmission versus nosocomial (relative-risk ratio (RRR): 13.0; 95% CI: 2.3 ‒ 72.1), b) higher educated versus lower (RRR: 5.4; 95% CI: 1.6 ‒ 18.7), and c) HIV co-infected versus not HIV-infected (RRR: 53.1; 95% CI: 5.7 ‒ 492.6). Conclusion: This is one of the few studies showing IR and RRRs of acute HCV infections and the first focused on a large city in Spain. Sexual risk for transmission between men, higher educational level and HIV co-infection are important factors for understanding current HCV epidemic. There has been a partial shift in the pattern of the risk factor for transmission from nosocomial to sexual.
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spelling oxford-uuid:83c9cc5d-c3a4-4238-84b3-3098ae03fffe2022-03-26T21:46:38ZEvolution of acute hepatitis C virus infection in a large European city: Trends and new patternsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:83c9cc5d-c3a4-4238-84b3-3098ae03fffeSymplectic Elements at OxfordPublic Library of Science2017Garriga-Fuentes, CManzanares-Laya, SGarcia de Olalla, PGorrindo, PLens, SSolà, RMartínez-Rebollar, MLaguno, MNavarro, JTorras, XGurguí, MBarberá, MQuer, JMasdeu, ESimón, PRos, Mde Andrés, ACaylà, JThe aims of this study were to describe the evolution of acute hepatitis C virus (HCV) infections since 2004 and to determine its associated factors. Acute HCV infections diagnosed in Barcelona from 2004 to 2015 were included. Incidence ratios (IR) were then estimated for sex and age groups. Cases were grouped between 2004-2005, 2006-2011 and 2012-2015, and their incidence rate ratios (IRR) were calculated. In addition, risk factors for acute HCV infection were identified using multinomial logistic regression for complete, available and multiple imputed data. 204 new HCV cases were identified. Two peaks of higher IR of acute HCV infection in 2005 and 2013 were observed. Men and those aged 35 – 54 had higher IR. IRR for men was 2.9 times greater than in women (95% confidence intervals (CI): 1.8 ‒ 4.7). Factors related to the period 2012 – 2015 (versus 2006 – 2011) were: a) sexual risk factor for transmission versus nosocomial (relative-risk ratio (RRR): 13.0; 95% CI: 2.3 ‒ 72.1), b) higher educated versus lower (RRR: 5.4; 95% CI: 1.6 ‒ 18.7), and c) HIV co-infected versus not HIV-infected (RRR: 53.1; 95% CI: 5.7 ‒ 492.6). Conclusion: This is one of the few studies showing IR and RRRs of acute HCV infections and the first focused on a large city in Spain. Sexual risk for transmission between men, higher educational level and HIV co-infection are important factors for understanding current HCV epidemic. There has been a partial shift in the pattern of the risk factor for transmission from nosocomial to sexual.
spellingShingle Garriga-Fuentes, C
Manzanares-Laya, S
Garcia de Olalla, P
Gorrindo, P
Lens, S
Solà, R
Martínez-Rebollar, M
Laguno, M
Navarro, J
Torras, X
Gurguí, M
Barberá, M
Quer, J
Masdeu, E
Simón, P
Ros, M
de Andrés, A
Caylà, J
Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title_full Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title_fullStr Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title_full_unstemmed Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title_short Evolution of acute hepatitis C virus infection in a large European city: Trends and new patterns
title_sort evolution of acute hepatitis c virus infection in a large european city trends and new patterns
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