Seroepidemiology of hepatitis E virus in Western Iran

Raoofi, Rahim; Nazer, Mohammad Reza; Pournia, Yadollah

doi:10.1590/s1413-86702012000300017

Cited by 3 publications

(2 citation statements)

References 1 publication

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“…This result is higher than the results for other parts of Iran, such as Nahavand (9.3%), Isfahan (8.1%), Sari (7.3%), and Tehran (7.9% -15%) (9,15). Also, in Iran the sero-HEV prevalence range in different regions of Iran was 10.2% -22.8% among general population, 4.5% -14.3% among blood donors, 6.1% -22.8% in IV addicts, 6.3% -28.3% in hemodialysis patients, 1.6% -11.3% in people infected with other viral hepatitis, and 27.5% in Patients with chronic liver diseases.…”

Section: Discussioncontrasting

confidence: 62%

“…Similarly, a study in China found the high seroprevalence among people above 60 years (70% -80%). Also, a study conducted in Bangladesh reported the seroprevalence rate of 67% in people over the age of 80 years and the results also reported a rate of 52% -62% in the population over 80 years of Honk Kong (1,15,(19)(20)(21). These results showed that age can be a risk factor for the prevalence of hepatitis E. However, an improved state of health and hygiene conditions in society reduces exposure to the virus over time.…”

Section: Discussionmentioning

confidence: 99%

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Seroprevalence and Risk Factors of Hepatitis E in Eastern Iran

Azarkar

Ebrahimzadeh

Sharifzadeh

et al. 2017

Iran Red Crescent Med J

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Background: Hepatitis E infection is one of the most common causes of acute hepatitis. It is caused by the RNA virus of the hepatomegaly viridae family, which is transferred through stool in contaminated water. Cases of infection are most prevalent in developing countries. Objectives: This study was conducted to investigate the seroprevalence of hepatitis E among urban adults. The reason was the current lack of information on the hepatitis E prevalence among the general population in the city of Birjand in eastern Iran. This information is necessary because Southern Khorasan is in close proximity to Afghanistan. Methods: In this cross sectional study, 522 participants aged over 17 years were selected from the city of Birjand, eastern Iran, using the random cluster sampling. The participants completed a researcher-made questionnaire that included demographic characteristics, risk factors for infectious diseases such as records of blood transfusions, specific exposures, intravenous drug abuse, recent diagnosis or a history of liver disease, and other medical information. After selection, a blood sample was taken from each participant to a volume of 5 cc. Each blood sample was then measured for the title of IgG antivirus of hepatitis E by the enzyme-linked immunosorbent assay (ELISA) method using the third generation ELISA kit made by Delavara Company.

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Section: Discussioncontrasting

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Seroprevalence and Risk Factors of Hepatitis E in Eastern Iran

Azarkar

Ebrahimzadeh

Sharifzadeh

et al. 2017

Iran Red Crescent Med J

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Seroprevalence of Hepatitis E Virus in Iran: A Systematic Review and Meta-analysis

Behzadifar¹,

Lankarani²,

Abdi³

et al. 2016

Middle East J Dig Dis

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BACKGROUND Hepatitis E virus (HEV) is one of common causes of viral hepatitis worldwide with higher prevalence in tropical and subtropical regions. Although epidemics of HEV have been reported from Iran, there are variable reports of this infection out of epidemics from different parts of Iran. This study aimed to determine the seroprevalence of HEV in Iran. METHODS In this systematic review and meta-analysis we searched PubMed, Scopus, Science direct, Google Scholar, Scientific Information Databank (SID), IranMedex, and Magiran for all relevant studies published in either English or Persian languages, up to 2015. Pooled seroprevalence estimates with a DerSimonian-Laird random-effects model were calculated. Statistical heterogeneity among the included studies was evaluated by Cochrane Q statistic and I2. RESULTS 38 studies fulfilled the inclusion criteria compromising 18461 participants. The pooled seroprevalence rate of HEV in Iran was estimated about 10% (95% CI=0.09-0.12) with maximum and minimum of 46% (95 % CI=0.42-0.50), and 0.01% (95 % CI=0.000-0.002), respectively. CONCLUSION HEV is common in Iran although the prevalence is lower than some neighbor countries.

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Epidemiology of hepatitis E virus in Iran

Taherkhani¹

2016

WJG

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Iran is known as an endemic country for hepatitis E virus (HEV) infection, while there are variations in the epidemiology of HEV infection throughout the country. The available epidemiological studies in different regions of Iran show HEV seroprevalence of 1.1%-14.2% among general population, 4.5% -14.3% among blood donors, 6.1%-22.8% among injecting drug users, 6.3%-28.3% among hemodialysis patients, 1.6%-11.3% among patients infected with other hepatitis viruses, 27.5% among patients with chronic liver disease, 30.8% among kidney transplant recipient patients, and 10%-16.4% among human immunodeficiency virus-infected patients. These variations reflect differences in the status of public health and hygiene, risk factors, and routes of transmission in different regions and groups. Therefore, it is necessary to review the epidemiology of HEV infection to determine the most prevalent risk factors and routes of transmission, and to evaluate the effectiveness of preventive strategies employed in the public health services of the country. Moreover, the other epidemiological aspects of HEV, including the genotypic pattern, extra hepatic manifestations, and incidence of chronic infection need to be investigated among Iranian population to expand the current knowledge on the epidemiology of HEV and to clarify the real burden of HEV infection. Therefore, this review was performed to provide a general overview regarding the epidemiology of HEV in Iran.

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Seroepidemiology of hepatitis E virus in Western Iran

Cited by 3 publications

References 1 publication

Seroprevalence and Risk Factors of Hepatitis E in Eastern Iran

Seroprevalence and Risk Factors of Hepatitis E in Eastern Iran

Seroprevalence of Hepatitis E Virus in Iran: A Systematic Review and Meta-analysis

Epidemiology of hepatitis E virus in Iran

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