Abstract
To analyze the effect of peripheral blood hematopoietic stem cells (PBSC) collection from unrelated donors and its influencing factors. A retrospective analysis was conducted on the mobilization and collection of PBSC from 113 unrelated donors at Yueyang Central Hospital from January 2021 to December 2023. 113 donors were successfully mobilized. The average count of PBSC mononuclear cells (MNC) and CD34+ cells were (12.40±7.41)×108/kg and (10.64±8.07)×106/kg, respectively. Univariate analysis showed that the PBSC CD34+ cells ratio of male donors was significantly higher than that in female donors (P =0.015). The peripheral blood (PB) white blood cell (WBC) count before collection was positively correlated with the PBSC nucleated cells count (r =0.388), and the donor's body weight, the PB CD34+ cell ratio before collection were positively correlated with the PBSC CD34+ cell ratio (r =0.259, r =0.780). The daily dose of rhG-CSF was negatively correlated with the PBSC CD34+ cell ratio (r =-0.285). Both rhG-CSF agents achieved successful mobilization. Multivariate analysis showed that PB WBC count before collection was a factor affecting the count of PBSC nucleated cells (P <0.001), while the PB CD34+cell ratio before collection was a factor affecting the PBSC CD34+ cell ratio (P <0.001). The mobilization and collection of PBSC from unrelated donors are good, and the PB WBC count and CD34+ cell ratio before collection are reliable indicators for predicting the collection effect.
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