Evaluation of parameters obtained from the Sysmex XN-2000 for predicting the recovery of the absolute neutrophil count and platelets after hematopoietic stem cell transplantation

International Journal of Laboratory Hematology
S-H ParkK-H Lee

Abstract

We analyzed abilities of parameters from Sysmex XN-2000 (Sysmex, Kobe, Japan) to predict absolute neutrophil count (ANC) and platelet recovery after hematopoietic stem cell transplantation (HSCT) in patients with hematologic malignancies. We prospectively analyzed 911 follow-up peripheral blood samples from 44 HSCT-performed patients and evaluated the performances of the following parameters: WBC, immature granulocyte (IG), hematopoietic stem and progenitor cells (HPC), immature reticulocyte fraction (IRF), immature platelet fraction (IPF), platelet distribution width (PDW), mean platelet volume (MPV), and platelet larger cell ratio (P-LCR). When compared to four other parameters, the identification of initiation in IG (%)/HPC (%) increase enabled earlier prediction of ANC recovery to >500/μL and >1000/μL with more time benefit of 3.5-6.5 days/2.0-5.0 days and 3.0-6.0 days/2.0-5.0 days, respectively. When compared to IPF (%), the identification of initiation in PDW, MPV, and P-LCR (%) increase enabled earlier prediction of platelet recovery to >20 000/μL and >50 000/μL with more time benefit of 2.5-3.5 days and 2.0-3.0 days, respectively. However, the standard deviation of time benefit obtained from IG (%)/HPC (%)/PDW/MPV/P-LCR...Continue Reading

References

Jan 24, 2007·Biology of Blood and Marrow Transplantation : Journal of the American Society for Blood and Marrow Transplantation·J R MolinaC Martin
Mar 1, 2007·Leukemia & Lymphoma·Rémi LetestuFlorence Ajchenbaum-Cymbalista

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