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Thromboembolism in children with sarcoma.

Uma Athale1, Stephanie Cox, Sabrina Siciliano

  • 1Department of Pediatrics, Division of Hematology, McMaster University, Hamilton, Ontario, Canada. athaleu@mcmaster.ca

Pediatric Blood & Cancer
|September 23, 2006
PubMed
Summary

Thromboembolism (TE) is a significant complication in children with sarcoma, particularly those with central venous line (CVL) dysfunction. Early identification of risk factors is crucial for managing TE in pediatric sarcoma patients.

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Area of Science:

  • Pediatric Oncology
  • Hematology
  • Epidemiology

Background:

  • Thromboembolism (TE) is a serious complication in adult cancer patients.
  • Cancer is a known risk factor for TE in children, but data on pediatric solid tumors is limited.
  • Understanding TE epidemiology in pediatric sarcoma is crucial.

Purpose of the Study:

  • To determine the prevalence and epidemiology of TE in pediatric sarcoma patients.
  • To identify risk factors associated with TE in this population.

Main Methods:

  • Retrospective review of hospital records for children (<=18 years) with sarcoma.
  • Data collected included demographics, sarcoma diagnosis/therapy, and TE diagnosis/management.
  • Statistical analysis using Fisher's exact t-test.

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Main Results:

  • 14.3% of pediatric sarcoma patients developed symptomatic TE.
  • Patients with central venous line (CVL) dysfunction had a significantly higher risk (55.5% vs. 8.2%).
  • Higher TE prevalence was observed in older patients, those with metastatic disease, and Ewing sarcoma.

Conclusions:

  • TE is a significant complication in children with sarcoma, especially those with CVL dysfunction.
  • Patients with CVL dysfunction require careful evaluation for TE.
  • Further large prospective studies are needed to define TE epidemiology and risk factors in pediatric sarcoma.