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Prevalence and risk factors for hepatitis E virus infection in blood donors: a nationwide survey in Italy, 2017 to 2019.

ABSTRACT: BackgroundIn high-income countries, hepatitis E virus (HEV) infection is mainly a zoonosis. However, it is also transfusion-transmissible and some countries, but not Italy, have introduced HEV screening for blood donations.AimWe assessed HEV infection prevalence and risk factors in a nationwide sample of Italian blood donors.MethodsWe selected 107 blood establishments (BE) distributed in the 20 Italian regions by a stratified two-stage design and invited them to participate in the study. Donors were tested for anti-HEV IgG and IgM and HEV RNA. Sociodemographic data and risk factors were collected through a questionnaire.ResultsOverall, 60 BE from 60 provinces in 19 Italian regions joined the study. We assessed HEV markers in 7,172 blood donors, of whom 6,235 completed the questionnaire. Overall crude and adjusted anti-HEV IgG prevalences were 8.3% and 5.5%, respectively. Overall anti-HEV IgM prevalence was 0.5%, while no blood donor was HEV RNA-positive. Anti-HEV IgG prevalence varied widely among regions (range: 1.3%-27.20%) and hyperendemic prevalences (> 40%) were detected in some provinces in two regions. Older age (AOR = 1.81; 95% CI: 1.36-2.41), foreign nationality (AOR = 2.77; 95% CI: 1.06-7.24), eating raw pork liver sausages (AOR = 2.23; 95% CI: 1.55-3.20) and raw homemade sausages (AOR = 3.63; 95% CI: 2.50-5.24) were independent infection predictors.ConclusionItalian blood donors showed a low to moderate HEV seroprevalence. High levels in some regions and/or provinces were mainly attributable to eating habits. Prevention should include avoiding consumption of raw or undercooked meat and safe production of commercial pork products.

SUBMITTER: Spada E

PROVIDER: S-EPMC9164674 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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Prevalence and risk factors for hepatitis E virus infection in blood donors: a nationwide survey in Italy, 2017 to 2019.

Spada Enea E Simeoni Matteo M Martina Antonio A Pati Ilaria I Villano Umbertina U Adriani Daniela D D'Angiò Agnese A Tritarelli Elena E Taffon Stefania S Bellino Stefania S Boros Stefano S Urciuoli Roberta R Masiello Francesca F Marano Giuseppe G Bruni Roberto R Pezzotti Patrizio P Ciccaglione Anna Rita AR Pupella Simonetta S De Angelis Vincenzo V Pisani Giulio G

Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin 20220601 22

BackgroundIn high-income countries, hepatitis E virus (HEV) infection is mainly a zoonosis. However, it is also transfusion-transmissible and some countries, but not Italy, have introduced HEV screening for blood donations.AimWe assessed HEV infection prevalence and risk factors in a nationwide sample of Italian blood donors.MethodsWe selected 107 blood establishments (BE) distributed in the 20 Italian regions by a stratified two-stage design and invited them to participate in the study. Donors ...[more]

PMID: 35656832

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Project description:BackgroundIn Italy, as in many developed countries, a decline in blood component (BC) consumption, especially red blood cells (RBC), has been described, but not studied at a national level. We, therefore, designed a nationwide survey to determine the main features of BC recipients and obtain a picture of the clinical use of BC for the first time in Italy, in order to understand BC demands better and identify specific fields in which to apply Patient Blood Management (PBM).Material and methodsA nationwide survey of all Italian Blood Establishments working as Hospital Blood Banks (HBB) was performed. Data were collected through an online report form recording information on the number and geographic area of the responding HBB, year of birth and sex of the BC recipients, and clinical indications for every unit of RBC, platelets and plasma transfused in a 24-hour period.ResultsOn the survey date, 153/237 (64.5%) of the HBB returned 4,356 forms, reporting 7,523 transfusions. The median and mean ages of the recipients were 73 (range, 0-106) and 67.5 years, respectively; 33.0% were >80 years old and 64.9% >65 years old, with no relevant differences between males and females. Overall, 6,309 RBC units were transfused to 3,850 recipients, 66.7% of them for a medical indication and 32.4% for a surgical indication. The commonest medical indication was acquired, non-cancer-related anaemia and more than 30% of the transfusions occurred in the Emergency Department. Five hundred and sixty platelet transfusions were given to 520 recipients, 62.7% of them for prophylaxis and 28.6% for bleeding before or during an invasive procedure or surgery or for thrombocytopenia. One hundred and ninety-four patients received 654 units of plasma, 71.1% of which were for therapeutic purposes in bleeding patients.DiscussionWe collected a picture of blood transfusion epidemiology in Italy. The data suggest that future PBM plans should be focused on medical anaemia especially in the setting of Emergency Departments.

Dataset Information

Prevalence and risk factors for hepatitis E virus infection in blood donors: a nationwide survey in Italy, 2017 to 2019.

Publications

Prevalence and risk factors for hepatitis E virus infection in blood donors: a nationwide survey in Italy, 2017 to 2019.

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