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2000
Volume 19, Issue 3
  • ISSN: 1574-8863
  • E-ISSN: 2212-3911

Abstract

Introduction: Heparin is derived from swine and has been suggested as a possible source of HEV. To study the potential risk of HEV infection associated with heparin treatment, two groups of individuals were compared. Sera from heparinized (N=93) and non-heparinized individuals (N=111) were tested for markers of acute HEV infection and anti-HEV IgG seroprevalence. Methods: An acute HEV case was defined by the presence of anti-HEV IgM and/or HEV RNA. From the 93 heparinized individuals, one was positive for IgM and IgG anti-HEV and two were positive for HEV RNA (for both ORF3 and ORF2), and there were a total of two (2.2%) cases of current or recent HEV infection. From the 111 non-heparinized individuals, three were positive for IgM anti-HEV, one was positive for both IgM and IgG anti-HEV, and none was positive for HEV RNA, and there were a total of three (2.7%) cases of current or recent HEV infection. The difference between HEV cases in the heparinized individuals and the non-heparinized individuals was not statistically significant (2.2% vs. 2.7%; p = 0.799). Results: Concerning IgG anti-HEV, it was detected in 32 individuals from the heparinized group and in 18 from the non-heparinized control group. A statistically significant difference was observed in the presence of anti-HEV IgG in heparinized individuals and controls (p = 0.003). Conclusion: This study has not found any association between heparin treatment and acute HEV infection, but has shown the use of therapeutic heparin as a risk factor for IgG anti-HEV seropositivity.

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/content/journals/cds/10.2174/0115748863272272231122114732
2024-08-01
2025-09-06
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  • Article Type:
    Research Article
Keyword(s): anti-HEV IgG; heparin; Hepatitis E virus; HEV RNA; infection; risk factor
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