Abstract
To analyze the factors influencing the mobilization and collection of peripheral blood hematopoietic stem cells (HSC) in the patients with malignant hematological diseases. The peripheral blood stem cells in 50 patients with hematological malignancies had been mobilized in the Hematology Department Zhongda Hospital. The factors, such as age, sex, mobilization regimen, disease status, cell separator were analyzed, and the effect of above-mentioned factors on stem cell mobilization was evaluated. And the correlation between WBC, Hb, Plt counts and CD34+ cell collection was anzlyzed. There was significant effect at mobilization regimen on the success rate and collection counts of CD34+ cells, while sex, age, interval between diagnosis and mobilization, previous chemotherapy regimen and bone marrow involvement showed no significant effect on stem cell collection. There was positively correlation of the WBC count, hemoglobin level of peripheral blood before apheresis with the collection of CD34+ cells . The WBC and MNC counts in peripheral blood before apheresis closely related with the success rate of mobilization. Chemotherapy plus combined with G-CSF mobilization regimens is superior to mobilization regimen of cytokine alone for collection of HSC. The WBC and MNC count in peripheral blood before apheresis can predict the optimal time for the PBSC collection and increase the success rate of mobilization and collection.
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