Clinical features and therapeutic response of aplastic anemia patients with or without cytogenetic abnormalities / 中华医学遗传学杂志

<p><b>OBJECTIVE</b>To compare clinical features and therapeutic response of patients with aplastic anemia with and without cytogenetic abnormalities.</p><p><b>METHODS</b>Clinical features of 133 patients with successful chromosomal analysis were retrospectively studied, and therapeutic response between patients with and without cytogenetic abnormalities was compared.</p><p><b>RESULTS</b>Cytogenetic abnormalities were found in 9 patients, which included trisomy 8 (4 cases), monosomy 7 (2 cases) and Xq- (1 case), 1q- (1 case) and 7q- (1 case). No significant difference was detected between patients with or without cytogenetic abnormalities in terms of age (50 vs. 58, P=0.337), sex ratio (male 55.56% vs. 62.10%, female 44.44% vs. 37.90%, P=0.762), or episode of acute aplastic anemia (44.44% vs. 37.10%, P=0.728). Patients with cytogenetic abnormalities had a tendency towards poorer rate of therapeutic response, which was however not significantly different from those without (55.56% vs. 79.03%, P=0.116). All of the 4 patients with +8 responded to treatment, whilst none of those with -7 or 7q- did.</p><p><b>CONCLUSION</b>No significant difference was found between aplastic anemia patients with or without cytogenetic abnormalities in terms of clinical features and therapeutic response. Patients with trisomy 8 seem to have a favorable response towards treatment.</p>

The safety of the mobilization of peripheral blood stem cells by granulocyte colony-stimulating factor in elderly donors / 中国基层医药

Objective To explore the safety of the mobilization of peripheral blood stem cells(PBSC)by granulocyte colony-stimulating factor(G-CSF)in elderly donors.Methods 28 peripheral arteriosclerotic occlusive disease(PAOD)elderly patients(aged≥60 years),and 29 healthy sibling young/adult donors(aged＜60 years)for peripheral allogenic stem cell transplantation were included.Blood samples were collected immediately before starting G-CSF and prior to PBSC collection to analyze the following parameters:the WBC counts,fibrinogen(FIB),D-dimer (D-D),thrombin antithrombin complex(TAT),antithrombin(AT)and yon Willebrand factor antigen(vWF:Ag). Results It had a very significant increase in D-D and vWF:Ag and a very significant decrease of AT(P＜0.01),af- ter mobilization by G-CSF,and a increase in FIB and TAT were also observed(P＜0.05,P＜0.01)in elderly group.In the young/aduh group,the increase in FIB was significant(P＜0.05).The elevating extent of D-D and TAT after G-CSF administration was significantly higher in elderly group than that in young/adult group(P＜0.05).Compared to young/adult group,there was a significant increase in thrombotic events and cerebrovascular ac- cident(P＜0.05).Conclusion In PBCS donorsreceiving G-CSF it reveals activation of both coagulation and en- dothelial cells and inhibition of anticoagulant system that can favor the developing of thrombotic events,which is more remarkable in elderly donors.Therefore a careful monitoring for coagulation system should be considered in those elderly cases.