[Clinical Characteristics and Prognosis of Children with Hematological Malignancies Complicated by Secondary Hemophagocytic Lymphohistiocytosis]
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View abstract on PubMed
Summary
This summary is machine-generated.Children with hematological malignancies and secondary hemophagocytic lymphohistiocytosis (HLH) have complex characteristics. Their long-term survival rates are lower, indicating a less optimistic prognosis despite initial treatment success.
Area Of Science
- Pediatric Hematology
- Oncology
- Immunology
Background
- Secondary hemophagocytic lymphohistiocytosis (HLH) is a life-threatening hyperinflammatory syndrome.
- Hematological malignancies are a common trigger for secondary HLH in children.
- Understanding the clinical course and outcomes of this complication is crucial for patient management.
Purpose Of The Study
- To analyze the clinical characteristics of children with hematological malignancies complicated by secondary HLH.
- To compare the prognosis of children with secondary HLH with and without concomitant hematological malignancies.
- To evaluate survival rates and identify factors influencing outcomes.
Main Methods
- A retrospective study of 67 children diagnosed with HLH between June 2020 and June 2024.
- Patients were categorized into two groups: those with hematological malignancies (combined group) and those without (non-combined group).
- Clinical data and survival outcomes (overall survival and event-free survival) were analyzed and compared between the groups.
Main Results
- No significant differences in baseline clinical parameters (WBC, Hb, PLT) were observed between the combined and non-combined groups.
- The 1- and 2-year overall survival (OS) rates for all children were 88.6% and 73.1%, respectively.
- Children with hematological malignancies and secondary HLH had significantly lower OS rates (1-year: 71.8%, 2-year: 62.8%) compared to the non-combined group (1-year: 95.2%, 2-year: 77.4%) (P=0.029).
Conclusions
- Children with hematological malignancies complicated by secondary HLH present with diverse clinical features.
- While short-term treatment may show positive responses, the long-term prognosis for these patients is less favorable.
- Early recognition and tailored management strategies are essential to improve outcomes in this high-risk pediatric population.
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