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Seroprevalence Trends and Molecular Epidemiology of Viral Hepatitis in Croatia. LIFE (BASEL, SWITZERLAND) 2023; 13:life13010224. [PMID: 36676173 PMCID: PMC9865277 DOI: 10.3390/life13010224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/26/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023]
Abstract
Viral hepatitis is a significant cause of morbidity and mortality worldwide. In Croatia, hepatitis B virus (HBV) and hepatitis C virus (HCV) are widely distributed, especially in some high-risk groups such as people who inject drugs (PWID), prisoners, and highly promiscuous groups. The seroprevalence of HBV ranges from 7.0% in the general population to 38.8% in PWID, depending on the region. The seroprevalence of HCV is highest among PWID (29-75.5%) as compared to 0.9% in the general population. Analyzing the distribution of HCV genotypes, no substantial changes in the molecular epidemiology of the two most frequent HCV genotypes (1 and 3) in the past 20 years were observed. However, the predominance of subtype 1b compared to subtype 1a as detected in 1996-2005 was not confirmed in 2008-2015. Hepatitis A virus (HAV) incidence was high in the past with a decreasing trend since the 2000s, except for an outbreak in 2017-2018 as part of the large European outbreak, which was mainly among men who have sex with men. Hepatitis E virus (HEV) is an emerging virus detected for the first time in Croatia in 2012. The seroprevalence of HEV is high among hemodialysis patients (27.9%) and liver transplant recipients (19.3-24.4%). In addition, higher seroprevalence rates were observed in animal-related professions (e.g., veterinarians, 15.2%; hunters, 14.9%). All detected HEV strains belonged to genotype 3.
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Toro-Tobón D, Berbesi-Fernández D. Prevalence of HIV/Hepatitis C Virus Co-Infection and Injection Risk Correlations in People Who Inject Drugs in Colombia: A Cross-Sectional Study Using Respondent Driven Sampling. Subst Use Misuse 2020; 55:414-423. [PMID: 31691646 DOI: 10.1080/10826084.2019.1683198] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Background: In Colombia, an exponential growth of people who inject drugs (PWID) has been reported over the past decades. The main burden of disease in PWID is attributed to human immunodeficiency virus (HIV) and hepatitis C virus (HCV) and their co-infection is associated with poor prognosis, high morbidity and treatment related implications. Nevertheless, the prevalence of HIV/HCV co-infection in Colombian PWIDs is unknown. Objective: To determine the prevalence, demographic characteristics, and injecting behaviors of HIV/HCV co-infected PWID in Colombia. Methods: This was a cross-sectional study of 1,123 PWID recruited by respondent driven sampling in five Colombian cities between January and June of 2014. Each participant completed a quantitative survey, and blood samples for HIV and HCV antibody testing were obtained. A multinomial logistic regression was used for statistical analysis. Results: Average participant age was 26.3 ± 6.5 years, and the majority was male (86%). HIV or HCV mono-infection prevalence was 27.6%, while co-infection was 3.3%. Compared with PWID with mono-infection, co-infected PWID exhibited higher odds of: injecting ≥4 times daily (OR: 3.5; CI: 1.7-7.2; p < .001), cleaning needles and syringes with water (OR 3.2; CI: 1.6-6.3; p < .001), passing drug mix between syringes (OR: 2.7; CI: 1.3-5.3; p = .04), injecting on illegal indoor shooting galleries (OR: 2.4; CI: 1.0-5.3, p = .02), and getting injected by someone who charges for injecting (OR 2.3; CI: 1.0-5.2; p = .04). Conclusion: Prevalence of HIV/HCV co-infection among PWID in Colombia is lower than that reported in other countries. However, addressing the identified demographic characteristics and injection risk behaviors of co-infected PWID is essential for the implementation of broadly available harm reduction interventions as well as routine HIV/HCV testing and treatment strategies aiming to control the spread of both viruses and their associated morbidity and mortality.
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Affiliation(s)
- David Toro-Tobón
- Department of Medicine, Georgetown University Hospital, Washington, DC, USA.,Epidemiology and Biostatistics Research Group, CES University, Medellin, Colombia
| | - Dedsy Berbesi-Fernández
- Epidemiology and Biostatistics Research Group, CES University, Medellin, Colombia.,School of Nursing, CES University, Medellin, Colombia
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Vince A, Židovec Lepej S, Bingulac-Popović J, Miletić M, Kuret S, Sardelić S, Vrakela IB, Kurelac I. Distribution of hepatitis C virus genotypes and subtypes in Croatia: 2008-2015. Cent Eur J Public Health 2019; 26:159-163. [PMID: 30419615 DOI: 10.21101/cejph.a5021] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Hepatitis C virus (HCV) genotyping is an important part of pre-treatment diagnostic algorithms as it guides the choice of therapeutic regimens. The aim of this study was to analyse the distribution of HCV genotypes in patients with chronic hepatitis C from Croatia in the period 2008-2015. METHODS The study enrolled 3,655 anti-HCV positive patients with available results of HCV genotyping from the three largest national HCV genotyping laboratories. RESULTS The majority of HCV-infected individuals enrolled in the study were male (70.7%). Analysis of age distribution in a subset of 2,164 individuals showed a mean age of 40.9 years (SD 11.77 years). Croatian patients were mostly infected with HCV genotype 1 (56.6%), followed by genotype 3 (37.3%), genotype 4 (4.2%) and genotype 2 (1.8%). Genotype 1 subtyping in a subset of 1,488 patients showed 54% (803/1,488) of 1b infections and 46% (685/1,488) of 1a infections. Percentages of genotype 1 were the highest in Central/Northwestern and Eastern Croatia and the lowest in the Central/Southern Adriatic Region. Genotype 3 was most frequently found in the Central/Southern Adriatic Region (49.1%) but represented only 17.5% of infections in Eastern Croatia (p < 0.001). CONCLUSIONS The results of this nine-year retrospective analysis on the distribution of HCV genotypes and subtypes in 3,655 HCV-infected individuals from Croatia showed that the majority of infections can be attributed to genotypes 1 and 3 with absence of major changes in the molecular epidemiology of the two most frequent HCV genotypes infection in Croatia in the past 20 years.
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Affiliation(s)
- Adriana Vince
- School of Medicine, University of Zagreb, Zagreb, Croatia.,University Hospital for Infectious Diseases, Zagreb, Croatia
| | | | | | | | - Sendi Kuret
- University Hospital Centre Split, Split, Croatia
| | | | | | - Ivan Kurelac
- University Hospital for Infectious Diseases, Zagreb, Croatia
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The Mexican consensus on the treatment of hepatitis C. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO (ENGLISH EDITION) 2018. [DOI: 10.1016/j.rgmxen.2017.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
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Aiza-Haddad I, Ballesteros-Amozurrutia A, Borjas-Almaguer OD, Castillo-Barradas M, Castro-Narro G, Chávez-Tapia N, Chirino-Sprung RA, Cisneros-Garza L, Dehesa-Violante M, Flores-Calderón J, Flores-Gaxiola A, García-Juárez I, González-Huezo MS, González-Moreno EI, Higuera-de la Tijera F, Kershenobich-Stalnikowitz D, López-Méndez E, Malé-Velázquez R, Marín-López E, Mata-Marín JA, Méndez-Sánchez N, Monreal-Robles R, Moreno-Alcántar R, Muñoz-Espinosa L, Navarro-Alvarez S, Pavia-Ruz N, Pérez-Ríos AM, Poo-Ramírez JL, Rizo-Robles MT, Sánchez-Ávila JF, Sandoval-Salas R, Torre A, Torres-Ibarra R, Trejo-Estrada R, Velarde-Ruiz Velasco JA, Wolpert-Barraza E, Bosques-Padilla F. The Mexican consensus on the treatment of hepatitis C. REVISTA DE GASTROENTEROLOGÍA DE MÉXICO 2018; 83:275-324. [PMID: 29803325 DOI: 10.1016/j.rgmx.2017.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/17/2017] [Accepted: 11/02/2017] [Indexed: 12/12/2022]
Abstract
The aim of the Mexican Consensus on the Treatment of HepatitisC was to develop clinical practice guidelines applicable to Mexico. The expert opinion of specialists in the following areas was taken into account: gastroenterology, infectious diseases, and hepatology. A search of the medical literature was carried out on the MEDLINE, EMBASE, and CENTRAL databases through keywords related to hepatitisC treatment. The quality of evidence was subsequently evaluated using the GRADE system and the consensus statements were formulated. The statements were then voted upon, using the modified Delphi system, and reviewed and corrected by a panel of 34 voting participants. Finally, the level of agreement was classified for each statement. The present guidelines provide recommendations with an emphasis on the new direct-acting antivirals, to facilitate their use in clinical practice. Each case must be individualized according to the comorbidities involved and patient management must always be multidisciplinary.
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Affiliation(s)
| | | | - O D Borjas-Almaguer
- Hospital Universitario «Dr. José Eleuterio González», Monterrey, Nuevo León, México
| | | | - G Castro-Narro
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
| | | | | | - L Cisneros-Garza
- Centro de Enfermedades Hepáticas del Hospital San José, Monterrey, Nuevo León, México
| | | | - J Flores-Calderón
- Hospital de Pediatría, Centro Médico Nacional Siglo XXI, Ciudad de México, México
| | | | - I García-Juárez
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
| | | | - E I González-Moreno
- Hospital Universitario «Dr. José Eleuterio González», Monterrey, Nuevo León, México
| | | | | | - E López-Méndez
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
| | - R Malé-Velázquez
- Instituto de Salud Digestiva y Hepática, Guadalajara, Jalisco, México
| | | | - J A Mata-Marín
- Hospital de Infectología del Centro Médico Nacional «La Raza», Ciudad de México, México
| | | | - R Monreal-Robles
- Hospital Universitario «Dr. José Eleuterio González», Monterrey, Nuevo León, México
| | | | - L Muñoz-Espinosa
- Hospital Universitario «Dr. José Eleuterio González», Monterrey, Nuevo León, México
| | | | - N Pavia-Ruz
- Hospital Infantil de México «Federico Gómez», Ciudad de México, México
| | - A M Pérez-Ríos
- Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, Jalisco, México
| | - J L Poo-Ramírez
- Clínica San Jerónimo de Salud Hepática y Digestiva, Ciudad de México, México
| | | | - J F Sánchez-Ávila
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
| | | | - A Torre
- Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Ciudad de México, México
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Geographical variations of risk factors associated with HCV infection in drug users in southwestern China. Epidemiol Infect 2015; 144:1291-300. [PMID: 26542331 DOI: 10.1017/s0950268815002666] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Hepatitis C virus (HCV) has become a global public health problem. Many studies have been conducted to identify risk factors for HCV infection. However, some of these studies reported inconsistent results. Using data collected from 11 methadone clinics, we fit both a non-spatial logistical regression and a geographically weighted logistic regression to analyse the association between HCV infection and some factors at the individual level. This study enrolled 5401 patients with 30·0% HCV infection prevalence. The non-spatial logistical regression found that injection history, drug rehabilitation history and senior high-school education or above were related to HCV infection; and being married was negatively associated with HCV infection. Using the spatial model, we found that Yi ethnicity was negatively related to HCV infection in 62·0% of townships, and being married was negatively associated with HCV infection in 81·0% of townships. Senior high-school education or above was positively associated with HCV infection in 55·2% of townships of the Yi Autonomous Prefecture. The spatial model offers better understanding of the geographical variations of the risk factors associated with HCV infection. The geographical variations may be useful for customizing intervention strategies for local regions for more efficient allocation of limited resources to control transmission of HCV.
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Lausevic D, Begic S, Mugosa B, Terzic N, Vratnica Z, Labovic I, Bozicevic I. Prevalence of HIV and other infections and correlates of needle and syringe sharing among people who inject drugs in Podgorica, Montenegro: a respondent-driven sampling survey. Harm Reduct J 2015; 12:2. [PMID: 25884194 PMCID: PMC4367921 DOI: 10.1186/s12954-015-0039-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Accepted: 02/04/2015] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND People who inject drugs (PWID) have significantly higher rates of blood borne and sexually transmitted infections due to unsafe injecting practices and risky sexual behaviors. METHODS We carried out an HIV bio-behavioral survey using respondent-driven sampling (RDS) in people who use drugs (PWID) in Podgorica, Montenegro in 2013 in order to determine the prevalence of HIV, hepatitis C (HCV), hepatitis B surface antigen (HBsAg) and risk behaviors. Data were analyzed using RDS Analyst and SPSS 12.0 to obtain prevalence estimates of key bio-behavioral indicators and assess correlates of needle and syringe sharing using multivariate logistic regression. RESULTS A total of 402 PWID were recruited. HIV prevalence was 1.1%, while the prevalence of HCV and HBsAg was 53.0% and 1.4%, respectively. In the multivariate analysis, significant correlates of needle and syringe sharing in the past month were being older than 26 years, female, injecting drugs more than once per day, injecting in parks or on streets, not being able to obtaining free-of-charge sterile needles and syringes and reporting more than four partners in the past 12 months. CONCLUSIONS The results indicate that the HIV epidemic in PWID in Montenegro might still be at a low level, though the HCV epidemic is well-established.
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Affiliation(s)
| | - Senad Begic
- Institute for Public Health, Podgorica, Montenegro.
| | - Boban Mugosa
- Institute for Public Health, Podgorica, Montenegro.
| | | | | | - Itana Labovic
- HIV/AIDS Office, United Nations Development Programme, Podgorica, Montenegro.
| | - Ivana Bozicevic
- World Health Organization Collaborating Centre for HIV Surveillance, School of Medicine, University of Zagreb, Zagreb, Croatia.
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Vilibić-Cavlek T, Kucinar J, Ljubin-Sternak S, Kaić B, Lazarić-Stefanović L, Kolarić B. Prevalence of viral hepatitis in Croatian adult population undergoing routine check-up, 2010-2011. Cent Eur J Public Health 2014; 22:29-33. [PMID: 24844103 DOI: 10.21101/cejph.a3844] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Seroprevalence data on viral hepatitis in the general population vary widely. The aim of this study was to determine the prevalence of hepatitis A (HAV), hepatitis B (HBV) and hepatitis C (HCV) viruses in the general Croatian adult population undergoing routine check-ups. The seroprevalence of anti-HAV, anti-HBc and anti-HCV was 40.5%, 7.0% and 0.9%, respectively. HBsAg was found in 0.7% and anti-HBs antibodies in 24.4% of participants. Gender was not associated with HAV, HBV or HCV seropositivity. HAV and HBV seropositivity increased progressively with age (HAV from 11.7% to 90.4%, p < 0.001; HBV from 1.7% to 15.8%, p < 0.001). Participants from rural areas showed a significantly higher HBV seroprevalence rate than those from urban areas (10.7% vs. 6.1%, p = 0.007). Results of univariate and multiple logistic regression showed that older age was a significant predictor for both HAV and HBV seropositivity while rural place of residence was a significant predictor for HBV seropositivity.
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Min JA, Yoon Y, Lee HJ, Choi J, Kwon M, Kim K, Lee CU, Kim DJ, Yun H. Prevalence and associated clinical characteristics of hepatitis B, C, and HIV infections among injecting drug users in Korea. J Med Virol 2013; 85:575-82. [PMID: 23364858 DOI: 10.1002/jmv.23523] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2012] [Indexed: 12/13/2022]
Abstract
Injecting drug use is associated with an increased risk of blood-borne viral infections, such as hepatitis B and C viruses (HBV and HCV, respectively) and human immunodeficiency virus (HIV). However, their prevalence, virological characteristics, and associated factors are not clear among the injecting drug users in Korea. The aim of this study was to determine the prevalence of HBV, HCV, and HIV infection, as well as their virological and clinical characteristics of injecting drug users in South Korea. Between 2007 and 2010, 318 injecting drug users (89.3% male; mean ± age 41.9 ± 8.15 years) were participated. While HIV infection was not found, the seroprevalence of anti-HCV and HBV surface antigen (HBsAg) was 48.4% (n = 154) and 6.6% (n = 21), respectively. HBV/HCV co-infection was found in 4.1% (n = 13). Occult HBV infection was suggested in 5.0% (n = 16). Among the HCV genotypes, 1b (37.7%) and 2a/2c (35.7%) were mostly often detected. HCV RNA was detected in 98.1% (n = 151/154) and high-level viremia (HCV RNA level, ≥400,000 IU/ml) were observed in 59.6% (n = 90/151). In multiple logistic regression analysis, old age (OR 1.18 per year, 95% CI = 1.09-1.27) and ever-sharing injecting equipment (OR 4.17, 95% CI = 1.39-12.45) independently predicted HCV mono-infection. The prevalence of HBV and HCV infection were high but largely undiagnosed in the present sample of Korean injecting drug users. Strategic prevention, screening, and treatment are needed to reduce further transmission and morbidity.
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Affiliation(s)
- Jung-Ah Min
- Department of Psychiatry, Seoul St. Mary's Hospital, The Catholic University of Korea, College of Medicine, Seoul, Republic of Korea
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Wong NS, Chan PC, Lee SS, Lee SL, Lee CK. A multilevel approach for assessing the variability of hepatitis C prevalence in injection drug users by their gathering places. Int J Infect Dis 2012; 17:e193-8. [PMID: 23165126 DOI: 10.1016/j.ijid.2012.10.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Revised: 10/12/2012] [Accepted: 10/17/2012] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVES The aim of this study was to investigate the variation in hepatitis C virus (HCV) prevalence in injection drug users (IDUs) by their gathering places, using a multilevel approach. METHODS IDUs recruited from their gathering places were invited to respond to a questionnaire on demographics, drug use history, injection behaviors, and methadone treatment. Dried blood spots were collected for HCV antibody testing by ELISA. Factors associated with the anti-HCV test result were explored by linear logistic regression, followed by the evaluation of heterogeneity between gathering places by multilevel analysis. RESULTS A total of 622 respondents from 19 gathering places in Hong Kong, recruited between August and September 2011, were evaluated. Anti-HCV seroprevalence was 81.7% (95% confidence interval 78.6-84.7%), ranging from 67% to 100% by gathering place. HCV infection was associated with current practice of injection, needle-sharing, and midazolam injection. On multilevel analysis, there was a modest but significant variation in HCV antibody prevalence by gathering place, adjusted by midazolam injection (adjusted odds ratio (AOR) 3.91) and current injection (AOR 2.88) or injection over a long duration (AOR 3.17). CONCLUSIONS There was heterogeneity in HCV antibody prevalence in IDUs by gathering place, while the influence of injection behaviors varied, suggesting interactivity between factors at the individual and group levels.
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Affiliation(s)
- Ngai Sze Wong
- Stanley Ho Centre for Emerging Infectious Diseases, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, Hong Kong
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Abstract
PURPOSE OF REVIEW To provide an update on the epidemiology and management of HIV and hepatitis C virus (HCV) in resource-limited settings (RLSs). RECENT FINDINGS The global prevalence of HIV is 33.3 million people of whom 22.5 million live in sub-Saharan Africa. Hepatitis C affects 170 million people globally with majority of the infected persons living in sub-Saharan Africa and other RLSs. Transmission of these viruses varies greatly even within the RLSs. In the RLSs in Europe, Asia and Central/South America, most transmissions occur through injection drug use, whereas in Africa use of needles for medical treatment and blood transfusion may be the main modes of transmission. However, generally there is a rise in injection drug use even in RLSs. SUMMARY Hepatitis C and HIV are common infections and are more prevalent in RLSs, but there are regional differences in transmission even in RLSs. Treatment is difficult in some of the RLSs and prevention by screening donor blood as well and use of sterile instruments in treatment of patients will be important in curbing transmission in some of these settings.
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