Iron Parameters in Deferred Donors

Currently four ongoing studies at the the department of Donor Studies are
hampered by the lack of information on blood levels of deferred donors. For
these studies, information on blood levels in (a random sample of) deferred
donors is essential.

The purpose of this study is to collect blood from accepted and deferred donors
so that the necessary measurements can be made in a uniform way and distortion
of the results can be prevented or corrected.

This is observational, cross sectional, prediction research, with a volume of
2000 test points (1000 deferrals and 1000 subsequent approvals) from Nijmegen
and Eindhoven in 2012. After consent , two tubes of blood will be collected
from deferred donors . Two tubes of blood will bee removed from the sample bag
of the blood donor following the deferral. Celindices in the blood, hemoglobin,
ZPP, and thrombocytenindices will be determined. In a part of the samples,
ferritin will also be determined.

Informed consent will be asked from the deferred donors. The approved donors
all have given permission to use their blood for scientific research. They are
informed about their possible participation in the study. Accidental finds will
be ignored.