兒童異基因造血干細胞移植后并發(fā)免疫性溶血性貧血10例:單中心研究
[Abstract]:Objective: to summarize the incidence, pathogenesis, risk factors and therapeutic effect of AIHA after allogeneic HSCT in children. Methods: the transplant characteristics and clinical characteristics of patients with AIHA after allogeneic HSCT were analyzed retrospectively from June 2007 to December 31 2015 in the Children's Hospital affiliated to Chongqing Medical University. The incidence of AIHA was summarized and discussed. Univariate analysis of transplant related factors (including disease type, donor type, stem cell source, preconditioning protocol, GVHD prophylaxis, HLA compatibility, ABO blood type compatibility, donor gender compatibility, The relationship between acute GVHD grading and chronic GVHD, etc.) and AIHA; Furthermore, the independent risk factors of AIHA were analyzed, and the clinical effect of AIHA and its relationship with overall survival rate were discussed. Chi-square test was used for single factor analysis, log-rank test was used for inter-group contrast, and Cox proportional risk regression model was used for multivariate analysis. Results: in this study, the overall incidence of AIHA, was 10.3 in 97 patients with allogeneic HSCT, the cumulative incidence in one year was 5.6 / 18.2was and the incidence of AIHA was 8 / 44 (8 / 44). 41.2% of the children with chronic GVHD had different degrees of AIHA after transplantation (the median time of 7 / 17). AIHA was D 93 days), the cumulative incidence of AIHA in the WAS group was significantly higher than that in the hematological malignancy group (P0.043). The cumulative incidence of AIHA in the donor group with ABO blood group subtransplantation was higher than that in the matched donor group (P0. 044). The cumulative incidence of early AIHA in donor blood group was higher than that in blood matching group or subtransplantation group. There was no significant difference. The occurrence of AIHA in 10 patients was before the complete reconstruction of immune function. With the exception of 2 patients who developed AIHA before hematopoietic reconstitution, 8 patients with AIHA occurred after basic hematopoietic reconstitution, and chronic GVHD was the independent risk factor of AIHA after transplantation. After transplantation, 30% of the patients with AIHA were resistant to AIHA, and Rituximab might be effective in the treatment of refractory AIHA. Conclusion: the incidence of AIHA after allogeneic HSCT is higher in children, especially in WAS patients, the incidence of AIHA in unrelated donors is higher than that in MSD patients, and chronic GVHD is an independent risk factor for AIHA. The occurrence of AIHA may be related to the degree of immune disorder in recipients after HSCT, and Rituximab may be effective for refractory AIHA. There is still a need for a more comprehensive analysis of the incidence, risk factors, pathogenesis and effective treatment of AIHA.
【學位授予單位】:重慶醫(yī)科大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:R725.5
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