Related Experiment Videos
Venous thromboembolism in pediatrics.
1Hematology, Hospital for Sick Children, Toronto, Ontario, Canada.
Seminars in Vascular Medicine
|June 17, 2004
Summary
Pediatric venous thromboembolism (VTE) is a growing concern, often linked to serious illnesses and central venous lines (CVLs). Low molecular weight heparin (LMWH) is a preferred treatment due to its advantages over unfractionated heparin (UFH).
Area of Science:
- Pediatric Thrombosis
- Vascular Medicine
- Hematology
Background:
- Pediatric venous thromboembolism (VTE) is an increasingly recognized cause of significant morbidity and mortality in children.
- VTE in children is often associated with serious underlying conditions like cancer, chronic total parenteral nutrition (TPN) dependency, or congenital heart disease.
- Infants and adolescents are particularly at risk, with central venous lines (CVLs) being the most significant risk factor.
Purpose of the Study:
- To review the current understanding of pediatric VTE, including incidence, risk factors, diagnosis, treatment, and complications.
- To highlight the advantages of low molecular weight heparin (LMWH) over unfractionated heparin (UFH) in pediatric VTE management.
- To discuss the acute and long-term morbidities associated with VTE in children.
Main Methods:
- Literature review of studies on pediatric venous thromboembolism.
- Analysis of diagnostic methods, including venography and ultrasound.
- Evaluation of treatment protocols involving unfractionated heparin (UFH) and low molecular weight heparin (LMWH).
Main Results:
- The incidence of pediatric VTE varies based on study design and diagnostic methods.
- Central venous lines (CVLs) are the primary risk factor for VTE in pediatric patients.
- Low molecular weight heparin (LMWH) offers advantages in administration, monitoring, bioavailability, and half-life compared to UFH.
Conclusions:
- Pediatric VTE is a serious condition requiring careful management, with CVLs being a major risk factor.
- LMWH is a favorable treatment option for uncomplicated pediatric VTE due to its practical advantages.
- While death from VTE is rare, acute and long-term complications such as pulmonary embolism and postthrombotic syndrome can significantly impact children's health.