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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleEarly total white blood cell recovery is a predictor of low number of apheresis and good CD34(+) cell yieldpt_BR
dc.contributor.authorMarques, JFCpt_BR
dc.contributor.authorVigorito, ACpt_BR
dc.contributor.authorAranha, FJPpt_BR
dc.contributor.authorLorand-Metze, Ipt_BR
dc.contributor.authorMiranda, ECMpt_BR
dc.contributor.authorLima, ECpt_BR
dc.contributor.authorValbonesi, Mpt_BR
dc.contributor.authorSantini, Gpt_BR
dc.contributor.authorDe Souza, CApt_BR
unicamp.authorUniv Estadual Campinas, UNICAMP, Haemoctr, Haematol & Blood Transfus Ctr, BR-13081970 Campinas, SP, Brazilpt_BR
dc.subjectperipheral blood progenitor cell mobilisationpt_BR
dc.subjecthaematological malignanciespt_BR
dc.subjectchemotherapy and radiotherapypt_BR
dc.subject.wosHigh-dose Cyclophosphamidept_BR
dc.subject.wosColony-stimulating Factorpt_BR
dc.subject.wosHematopoietic Stem-cellspt_BR
dc.subject.wosFactor Rhgm-csfpt_BR
dc.subject.wosProgenitor Cellspt_BR
dc.subject.wosAutologous Transplantationpt_BR
dc.description.abstractObjective. We analysed peripheral blood progenitor cell (PBPC) mobilisation and collection in order to assess the main factors related to CD34(+) cell yields in patients affected by haematological malignancies. Patients find Methods. The features of CD34(+) cell mobilisation of patients with haematological malignancies that underwent autologous bone marrow transplantation were examined. Mobilisation chemotherapy consisted mainly of cyclophosphamide (CY) 4 or 7 g/m(2) followed by growth factors. Leukapheresis was started when the WBC counts reached 1.0x10(9)/1 with the aim to collect at least 5x10(6) CD34(+) cells/kg body weight. The aphereses were performed on continuous-flow blood cell separators. The analysed variables were: age, diagnosis, CT mobilisation regimen, type of growth factor, number of previous CT lines, prior radiotherapy, days for WBC recovery and number of aphereses procedures to achieve the target of CD34(+) cells. Results, There were 41 consecutive patients (26 M/15 F): 21 non-Hodgkin's lymphoma (NHL), 15 Hodgkin's disease (HD), two chronic myeloid leukaemia (CML) and three multiple myeloma (MM). Eleven patients could not collect the proposed threshold of CD34(+) cells. CY 4 mobilised patients recovered WBC counts in less days (P=0.03). By ANOVA, the days to WBC recovery had a linear function of the predictors "number of aphereses" and "type of mobilisation CT" (coefficients: 0.86 and 0.95, respectively). For the number of aphereses and WBC recovery after CT mobilisation, we obtained a correlation coefficient of 0.36 (P = 0.02). Conclusion. This study shows that it is feasible to mobilise and collect PBPC in patients previously treated with CT with or without RT. There was a linear correlation between the days for WBC recovery and the number of aphereses needed to collect the target number of CD34(+) cells. The study suggests that early WBC recovery, using mainly CY 4 mobilisation chemotherapy, is an important predictor of a low number of aphereses to achieve a good CD34(+) yield. (C) 2000 Elsevier Science Ltd. All rights
dc.relation.ispartofTransfusion Sciencept_BR
dc.relation.ispartofabbreviationTransfus. Sci.pt_BR
dc.publisherPergamon-elsevier Science Ltdpt_BR
dc.identifier.citationTransfusion Science. Pergamon-elsevier Science Ltd, v. 23, n. 2, n. 91, n. 100, 2000.pt_BR
dc.sourceWeb of Sciencept_BR
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