نتایج جستجو برای: blood and plasma donations
تعداد نتایج: 16961540 فیلتر نتایج به سال:
BACKGROUND The prevalence of hepatitis E virus (HEV) genotype 3 infections in the English population (including blood donors) is unknown, but is probably widespread, and the virus has been detected in pooled plasma products. HEV-infected donors have been retrospectively identified through investigation of reported cases of possible transfusion-transmitted hepatitis E. The frequency of HEV trans...
background and aims: this study was the trends of hepatitis b infection among iranian blood donors which was analyzed in a period of 10 years. materials and methods: in a period of 10 years, from 2001 through 2010, a total of 16,264,830 donations from 30 regional and 35 local blood services were screened. all blood samples were tested for hepatitis b surface antigen (hbs ag) by commercial avail...
Blood Donations and Incentives: Evidence from a Field Experiment There is a longstanding concern that material incentives might undermine prosocial motivation, leading to a decrease in blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood donations in a large-scale field experiment spanning three months and involving more than 10,...
BACKGROUND Seasonal distribution of blood donation hinders efforts to provide a safe and adequate blood supply leading to chronic and persistent shortages. This study examined whether holidays, geographical area and donation type (community versus replacement) has any impact on the fluctuation of donations. METHODS The numbers of blood donations from 2007 through 2010 in three Brazilian Retro...
BACKGROUND Although blood donations may reduce body iron stores, to date, prospective data on frequent blood donation and colorectal cancer risk are limited. METHODOLOGY/PRINCIPAL FINDINGS We tested whether frequent blood donation is associated with a lower risk of colorectal cancer in the Health Professionals Follow-up Study. We prospectively followed 35,121 men who provide the information o...
Parvovirus B19 is an erythrovirus causing diverse clinical manifestations ranging from asymptomatic or mild, to more severe outcomes in, for example, immune-compromised patients. B19 is spread primarily via the respiratory route, but it can also be transmitted via blood and blood products. Viral loads in blood or plasma donations amount up to 1011 genome equivalents/ml. Therefore, screening of ...
BACKGROUND AND OBJECTIVES In Lithuania, remuneration for whole blood donations still prevails, with the government covering payment for the donors. The payment per donation in cash is equal to 40 litas (euro11.6); it is offered to all blood donors and accepted by the majority of them. Donors who gave blood and received the payment are treated as remunerated donors; those who gave blood and did ...
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