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Korean Journal of Clinical Pathology ; : 125-130, 1999.
Artigo em Coreano | WPRIM | ID: wpr-103159

RESUMO

BACKGROUND: To collect high concentration of granulocytes for transfusion to neutropenic cancer patients with infections, we investigated the effect of G-CSF or dexamethasone as granulocyte mobilizers and 10% pentastarch (PS) as the sedimentation agent in granulocyte collection by leukapheresis. Subsequently, the therapeutic effect of the granulocyte transfusions was assessed. METHODS: Forty five leukapheresis were performed with CS-3000Plus (Baxter, Deerfield, IL, USA) using 10% pentastarch. The donors were classified into three groups according to their premedication drugs and the interface detector offset; group 1 used dexamethasone with offset 15 (n=16), group 2 used dexamethasone with offset 33 (n=16), and group 3 used G-CSF with offset 33 (n=10). We compared total collected granulocyte counts and granulocyte collection efficiency (GCE). RESULTS: The mean counts of total granulocytes collected and GCE were as follows; 0.9 0.5 x 1010 and 31.6 14.3% in group 1, 1.3 0.6 x 1010 and 39.0 14.2% in group 2, and 1.6 0.9 x 1010 and 63.9 32.2% in group 3, respectively. The counts of granulocytes collected in group 3 was significantly higher than that in group 1 (P<0.05). The GCE of group 3 was significantly higher than that of group 1 and group 2 (P<0.05). Sixteen granulocyte transfusions were performed to 11 patients. We observed successful therapeutic effects in 10 out of 16 transfusions (63%). CONCLUSIONS: G-CSF indicates greater potency than dexamethasone although its high cost is limitation of routine use as mobilizing agents and PS was an excellent red cell sedimenting agent in granulocyte collection. Large volume granulocyte transfusions allow high therapeutic effects in neutropenic patients with marrows of sufficient regenerating capacity.


Assuntos
Humanos , Medula Óssea , Dexametasona , Fator Estimulador de Colônias de Granulócitos , Granulócitos , Derivados de Hidroxietil Amido , Leucaférese , Neutropenia , Pré-Medicação , Doadores de Tecidos
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