MATRA-A: A study on massive transfusion.

Background: We use massive transfusion in various clinical conditions and it is associated with high mortality. Although some massive transfusion protocols improve patient outcomes, the clinical circumstances requiring it are not well defined.

Methods: MATRA-A is a multicenter retrospective study.

Parvovirus B19 seroprevalence in Turkish blood donors.

Background/aim: Parvovirus risk in blood transfusion has become a popular research topic since there are limited data on parvovirus seroprevalence in blood donors in Turkey. The aim of this study was to investigate parvovirus seroprevalence in blood donors in Turkey. Materials and methods: Blood samples of 988 blood donors admitted to a university blood bank were obtained for parvovirus B19 IgM and IgG detection.