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1.
Journal of Experimental Hematology ; (6): 199-201, 2003.
Artigo em Chinês | WPRIM | ID: wpr-355684

RESUMO

To clarify the prognostic contribution of peripheral blood cell and bone marrow megakaryocyte counts in patients with idiopathic thrombocytopenic purpura, a series of data of 299 ITP patients including the counts of peripheral white blood cells and platelets, their increase potentials after treatment and the megakaryocytic counts on the bone marrow smears at diagnosis as well were collected and retrospectively analyzed to correlate with the disease development. The results showed that peripheral white blood cell and platelet counts at diagnosis were not associated with the prognosis, but positively associated with the increment of platelet counts after treatment. The cure rate reached up to 94.9% in the group with the platelet level restored to 100 x 10(9)/L in two weeks of therapy. The numerous megakaryocyte counts in bone marrow at diagnosis indicated good prognosis that the cure rate was up to 86.1% when the counts were more than 100 per 1.5 x 3 cm of smear. In conclusion, bone marrow examination on the quantity and quality of megakaryocyte would be critical for diagnosis and evaluation of the prognosis. Consecutive platelet counts during therapy is useful to estimate the disease development.


Assuntos
Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Células da Medula Óssea , Biologia Celular , Contagem de Leucócitos , Megacariócitos , Biologia Celular , Contagem de Plaquetas , Prognóstico , Púrpura Trombocitopênica Idiopática , Sangue , Terapêutica
2.
Journal of Experimental Hematology ; (6): 337-339, 2002.
Artigo em Chinês | WPRIM | ID: wpr-337626

RESUMO

To investigate contribution of soluble interleukin-2 receptor (SIL-2R) to the clinical progress of idiopathic thrombocytopenic purpura (ITP), SIL-2R levels were measured in the plasma of 34 patients and 34 normal controls with double antibody sandwich ELISA. The cohort consisted of 12 patients with chronic ITP, 15 with acute ITP and 7 with ITP in remission. The results showed that the mean SIL-2R level of chronic ITP group was significantly higher than those of both the control and acute ITP group (P < 0.001 and P < 0.01, respectively). The SIL-2R level of 7 cases in remission, however, was not significantly different from that of normal controls. Furthermore, the plasma levels were dramatically lowered in patients responsive to VLAP regimen (vincristine, L-imidazole, antaisu and prednisone), and those were not evidently decreased in unresponsive patients. It was concluded that T cell activation may play a role in the development of ITP, and further, the level of plasma SIL-2R might predict the prognosis of ITP.


Assuntos
Adolescente , Adulto , Criança , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Púrpura Trombocitopênica Idiopática , Tratamento Farmacológico , Alergia e Imunologia , Receptores de Interleucina-2 , Sangue
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