Usefulness of hematopoietic progenitor cell monitoring to predict autologous peripheral blood stem cell harvest timing: A single-center retrospective study

Moemi Kasane, Saiko Kurosawa, Minoru Kojima, Nao Iwashita, Yuki Kase, Misato Tsubokura, Saori Nakabayashi, Chiaki Ikeda, Kimihiko Kawamura, Hiromichi Matsushita, Ryuichi Narita, Hidetomo Fukumoto, Takahiro Fujino, Shinichi Makita, Suguru Fukuhara, Wataru Munakata, Tatsuya Suzuki, Dai Maruyama, Ayumu Ito, Takashi TanakaYoshihiro Inamoto, Sung Won Kim, Kinuko Tajima, Ryuji Tanosaki, Koji Izutsu, Takahiro Fukuda

研究成果: Article査読

抄録

Introduction: In autologous peripheral blood stem cell harvest (APBSCH), CD34-positive cells have been measured to assess the numbers of hematopoietic stem cells, but measurement requires specialized equipment. Recently, there was a report that peripheral blood hematopoietic progenitor cells (HPCs) are useful indicators of the presence of hematopoietic stem cells. We examined the usefulness of HPC monitoring to predict APBSCH timing. Methods: We retrospectively analyzed the relationship between HPC and collected CD34-positive cells in 84 consecutive patients who underwent APBSCH. Results: According to the receiver operating characteristics curve for the collection of ≥2 × 106 CD34-positive cells/kg, the HPC cut-off value on the day before collection was 21/μL, while that on the day of collection was 41/μL. No significant factors were found in the univariate analysis except for the HPC count on the day before collection (p < 0.001) and the day of collection (p < 0.001). According to the multivariate analysis, the HPC count on the day before collection (p < 0.001) and the day of collection (p < 0.001) were also factors that strongly influenced the quantity of CD34-positive cells collected. Conclusion: Our results suggest that the HPC count on not only the day of collection but also the day before collection is a good indicator for appropriate APBSCH timing.

本文言語English
論文番号103150
ジャーナルTransfusion and Apheresis Science
60
4
DOI
出版ステータスPublished - 2021 8
外部発表はい

ASJC Scopus subject areas

  • 血液学

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