Background:Nowadays, one of the main challenges of the blood transfusion organization is the procurement, distribution, and monitoring of the appropriate use of blood and its products. Therefore, the aim of this study was to investigate the prevalence of Transfusion Transmitted Infections (TTIs) including human immunodeficiency virus (HIV+), hepatitis B virus (HBV+), and hepati...

hepatitis b virus infection is a major public health problem worldwide. islamic republic of iran is a country in which hepatitisb prevalence is intermediate. the aim of this study is to assess prevalence of chronic hepatitis b infection in iran according to demographic characteristics. all cross-sectional studies concerning  revalence of chronic hepatitis b infection in iran were included irres...

conclusions hepatitis b core antibody immunoglobulin m positivity is different in healthy blood donors of different countries according to the prevalence of chronic hepatitis b and its vaccination. based on the current study findings, all positive samples of hepatitis b core antibody in iranian blood banks should be considered as candidates for occult hepatitis b not just the window period infe...

patients and methods from march 1976 to december 2013, the number of patients that underwent living renal transplantation sharing at least one hla haplotype with their donors was 2,485. we divided these patients into two groups: (1) 2,075 kidney transplant recipients (1,554 or 74.9% male and 521 or 25.1% female) for whom the donors were living related, (2) 410 kidney transplant recipients (297 ...

the systemic complications of blood donation are the first reasons why patients fail to return for further blood donation. this study was designed to determine the frequency of these complications and their associated risk factors among blood donors in tehran. also, we aimed to provide suitable methods to decrease the frequency of these adverse events, thereby eliminating the most important cau...

evaluation of trends in the rate of infectious diseases of blood donors is essential for monitoring safety of blood supply and effective screening of donors. transfusion records of blood donors who attended the center between 2002 and 2005 were reviewed for positive cases of hbs (by elisa), hiv (by western blot) and hcv (by elisa). during 2002–05, 507,531 persons donated blood. the prevalence r...

abstract improving nitrogen use efficiency (nue) is an important objective of the agroecosystem management. a field experiment was conducted to study the effect of different competition patterns on nitrogen balance in the wheat agroecosystem. experimental design was split–plot based on randomized complete blocks with four replications. the main plots consisted of different nitrogen rates (i.e. ...