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1.
Journal of Experimental Hematology ; (6): 1896-1902, 2021.
Article in Chinese | WPRIM | ID: wpr-922220

ABSTRACT

OBJECTIVE@#To analyze the clinical characteristics and factors affecting prognosis in children with severe aplastic anemia (SAA).@*METHODS@#Two hundred and five children with SAA treated in our department from January 2008 to April 2018 were selected, and the clinical characteristics and factors affecting prognosis were retrospectively analyzed.@*RESULTS@#Among 205 SAA children, the effective rate (CR+PR) at 3, 6 and 12 months after immunosuppressive therapy (IST) treatment was 50.9%, 59.0% and 73.9%, respectively, and 5-year overall survival rate was 93.1%±2.0%. Univariate analysis showed that 5-year overall survival rate of SAA children of spontaneous delivery was higher than that of cesarean section (P=0.039), while multivariate analysis showed that birth way had no significant influence on 5-year overall survival rate (P>0.05). The response rate at 3 months after IST of children with a recent history of decoration before SAA onset was higher than those without history of decoration (P<0.05).@*CONCLUSION@#Most of the SAA children can achieve high response rate and overall survival rate. Patients with recent history of home/school decoration may be the factor affecting hematological response after 3 months of IST, but have no influence on long-term overall survival.


Subject(s)
Anemia, Aplastic , Cesarean Section , Child , Female , Humans , Immunosuppressive Agents , Pregnancy , Prognosis , Retrospective Studies , Treatment Outcome
2.
Article in Chinese | WPRIM | ID: wpr-828721

ABSTRACT

OBJECTIVE@#To compare the efficacy of the CAMS-2005 and CAMS-2009 regimens in treating children with non-core binding factor acute myeloid leukemia (non-CBF AML) and to study the prognosis factors.@*METHODS@#A total of 161 children who were initially diagnosed with non-CBF AML from April 2005 to December 2015 were enrolled as study subjects, and were divided into a CAMS-2005 regimen group (n=52) and a CAMS-2009 regimen group (n=109) according to the chemotherapy regimen provided. The efficacy was retrospectively compared between the two groups.@*RESULTS@#The complete remission (CR) rate at the first course of treatment was higher in the CAMS-2009 regimen group than that in the CMAS-2005 regimen group (63.3% vs 46.2%; P0.05). Children who achieved CR at the first course of treatment had significantly higher OS and event-free survival rates than those who did not achieved CR (P<0.01).@*CONCLUSIONS@#The CAMS-2009 regimen is superior to the CAMS-2005 regimen in improving the CR rate in children with non-CBF AML after induction treatment. Whether CR is achieved at the first course of treatment can affect the OS rate of children with non-CBF AML.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols , Child , Humans , Leukemia, Myeloid, Acute , Prognosis , Remission Induction , Retrospective Studies
3.
Article in Chinese | WPRIM | ID: wpr-774051

ABSTRACT

OBJECTIVE@#To study the clinical features of Wiskott-Aldrich syndrome (WAS) in children.@*METHODS@#A retrospective analysis was performed for the clinical data of 13 children with WAS.@*RESULTS@#All 13 children were boys, with a median age of onset of 3 months (range 1-48 months) and a median age of 24 months (range 1-60 months) at the time of diagnosis. Of the 13 children, only 3 had typical WAS and the remaining 10 children had X-linked thrombocytopenia (XLT). The mean WAS score was 2 (range 1-3), the mean platelet count was 20.5×10/L [range (13-46)×10/L], and the mean platelet volume was 8.1 fl (range 6.7-12.1 fl). Lymphocyte subsets and immunoglobulins were measured for 4 children, among whom 1 (25%) had a reduction in both the percentage of CD3T cells per lymphocyte and lymphocyte per nuclear cells, 1(25%) had a reduction in CD3CD56 NK cells. Among these 4 children, 1 (25%) had an increase in IgG, 2 (50%) had a reduction in IgM, 1 (25%) had a reduction in IgA, and 4 (100%) had an increase in IgE. A total of 14 gene mutations belonging to 13 types were found in 13 children, among which there were 9 missense mutations (65%), 2 splicing mutations (14%), 2 nonsense mutation (14%), and 1 frameshift mutation (7%). The median follow-up time was 39 months (range 3-62 months), and all 13 children survived.@*CONCLUSIONS@#Children with WAS often have a young age of onset, and most of them are boys. Major clinical features include thrombocytopenia with a reduction in platelet volume. Missense mutation is the main type of gene mutation.


Subject(s)
Child, Preschool , Humans , Infant , Male , Mutation , Retrospective Studies , Thrombocytopenia , Wiskott-Aldrich Syndrome , Wiskott-Aldrich Syndrome Protein
4.
Article in Chinese | WPRIM | ID: wpr-776685

ABSTRACT

Juvenile myelomonocytic leukemia (JMML) is a rare chronic myeloid leukemia in children and has the features of both myelodysplastic syndrome and myeloproliferative neoplasm. It is highly malignant and has a poor treatment outcome. Children with JMML have a poor response to conventional chemotherapy. At present, hematopoietic stem cell transplantation is the only possible cure for this disease. In recent years, significant progress has been made in targeted therapy for mutant genes in the Ras signaling pathway and demethylation treatment of aberrant methylation of polygenic CpG islands. This article reviews the treatment and efficacy evaluation of JMML.


Subject(s)
Child , Hematopoietic Stem Cell Transplantation , Humans , Leukemia, Myelomonocytic, Juvenile , Methylation , Myelodysplastic Syndromes , Signal Transduction
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