2018 Volume 64 Issue 6 Pages 742-751
Background: Spectra Optia® is an apheresis system that enables peripheral blood stem cell collection (PBSCC) to be easily conducted due to its unique automated interface management system. We retrospectively analyzed the number for CD34-positive cells in collected products and the collection efficiency for CD34-positive cells between the Spectra Optia® MNC mode (MNC group) and CMNC mode (CMNC group) for PBSCC.
Methods: We retrospectively analyzed 233 cases of PBSCC (autologous PBSCC: 103 cases, allogeneic PBSCC: 130 cases), which were performed in our institution between August 2013 and February 2018.
Results: In autologous PBSCC, there was no significant difference in the number of CD34-positive cells in collected products or the collection efficiency for CD34-positive cells between the two groups. In allogeneic PBSCC, the number of CD34-positive cells in collected products and the collection efficiency for CD34-positive cells in the CMNC group were significantly higher than those in the MNC group. Peripheral blood platelet count and hemoglobin concentration were identified as the factors influencing the collection efficiency for CD34-positive cells.
Conclusion: In autologous PBSCC, the number and collection efficiency for CD34-positive cells were not significantly different between the two modes, whereas in allogeneic PBSCC, the CMNC mode was more efficient for PBSCC than the MNC mode.