Blood transfusion is unlikely to be a source for hepatitis E virus transmission in India
- 1 April 2020
- journal article
- research article
- Published by Springer Science and Business Media LLC in Indian Journal of Gastroenterology
- Vol. 39 (2), 161-164
- https://doi.org/10.1007/s12664-020-01033-y
Abstract
Introduction Transmission of hepatitis E virus (HEV) through transfusion has been reported from countries where genotype 3 virus is predominant. Data from countries with predominantly genotype 1 HEV, such as India, are limited. We studied the risk of HEV transmission following transfusion of blood or blood components in India. Methods Adult patients undergoing cardiac surgery who received transfusion of blood or blood products in the peri-operative period and who lacked history of any transfusion or surgery in the preceding 1 year were studied. A pre-transfusion blood specimen was collected for IgG anti-HEV antibody test. For the participants who were seronegative for anti-HEV, follow up specimens were collected at every 2–3-month intervals for up to 6 months after surgery and were tested for IgM and IgG anti-HEV antibodies. Results Of the 335 participants originally enrolled, 191 (57%) could be followed up. Of them, 103 (53.9%) were seropositive for HEV IgG at baseline and were excluded. Of the remaining 88 participants (age 42 ± 14.1 years; 55 [63%] male), none reported hepatitis-like illness during the follow up period of 81 ± 23 days. Also, none of these 88 participants was found to have seroconversion to anti-HEV IgM or IgG positivity in the follow up specimens. Conclusion Transfusion-mediated transmission of HEV was not observed in our cohort and may be infrequent in the Indian population, where genotype 1 is the predominant HEV type.Keywords
Funding Information
- Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India (2016-67-IMP-EXP)
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