ABSTRACT
【Objective】 To investigate the variation of ferric metabolism indexes in male regular platetpheresis donors (MRPDs) with the low iron storage (plasma ferritin <30 μg/L). 【Methods】 The ferric metabolism indexes of 137 MRPDs with ferritin <30 μg/Lwere detected, including serum free iron (sFI), hemoglobin (Hb), unsaturated iron binding capacity (UIBC), total iron binding capacity (TIBC), transferrin (TRF) and prealbumin (PALB). The correlation between these indexes and the level of ferritin, the total number of platelet donation and the number of platelet donations in the previous year were analyzed. 【Results】 The UIBC of MRPDs with ferritin <30 μg/L showed a significant upward trendin comparison with the normal reference value, with the median level of UIBC at 55.1 μmol / L. The level of serum iron decreased significantly, with the median level at 10.9 μg / L. The level of ferritin was correlated with UIBC and Hb, and the indexes of iron metabolism were generally correlated to each other. The number of platelet donation in the previous year was correlated with TIBC, UIBC and TRF. The total number of platelet donation was correlated with TIBC and TRF. 【Conclusion】 MRPDs with ferritin <30 μg/L showed abnormalferric metabolism. It is necessary to detect both ferritin and ferric metabolism indexes to evaluate the iron deficiency in MRPDs.