Abstract
Autologous peripheral blood haemopoietic stem cells (PBSC) were harvested from 30 patients with de novo acute leukaemia, 29 of whom had entered remission following standard chemotherapy. Correlation of CD34+ cells/kg to CFU-GM/kg in the harvests was good (correlation coefficient = 0.72, P < 0.001). We demonstrated significant associations between the CFU-GM content of the harvest and the following: time to platelets >50 x 10(9)/l post final induction course (P < 0.001), days to harvest from day 1 of intensification/mobilization (correlation coefficient = -0.73, P < 0.001), platelets >20 x 10(9)/l at time of harvest (P = 0.02), time to WBC >1.0 x 10(9)/l post intensification/mobilization (correlation coefficient = -0.70, P < 0.001), and WBC on day of harvest (correlation coefficient = 0.60, P < 0.001). In contrast, we found no relationship between the CFU-GM content of the harvest and patient age up to 65 years, presence of absence of coexistent features of trilineage myelodysplasia at diagnosis, number of induction courses to remission or total number of courses of chemotherapy prior to intensification/mobilization. Haemopoietic recovery after reinfusion of PBSC was highly correlated to the number of CFU-GM infused (neutrophils...Continue Reading
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