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Oral anticoagulation therapy in children.

Mariana M Bonduel1

  • 1Servicio de Hematolgía y Oncología, Hospital de Pediatría "Prof. Dr. JP Garrahan", Buenos Aires, Argentina. mbonduel@garrahan.com.ar

Thrombosis Research
|May 20, 2006
PubMed
Summary

Oral anticoagulant therapy in children, primarily using warfarin, presents challenges. Infants require dose adjustments and frequent monitoring for effective treatment of thromboembolic complications.

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Area of Science:

  • Pediatric Thrombosis and Anticoagulation
  • Pharmacology and Therapeutics

Background:

  • Oral anticoagulant therapy in children is primarily based on adult data.
  • Coumarin derivatives, including warfarin, are the mainstays of treatment for pediatric thromboembolic complications.

Purpose of the Study:

  • To review current practices, challenges, and guidelines for oral anticoagulant therapy in children.
  • To discuss indications, side effects, and reversal of anticoagulation in pediatric patients.

Main Methods:

  • Analysis of prospective studies from Canada and Argentina on warfarin and acenocoumarol administration.
  • Review of existing literature on pediatric anticoagulant therapy and monitoring.

Main Results:

  • Pediatric oral anticoagulant therapy, especially in infants under 12 months, is complex.
  • Infants require higher doses, careful loading dose adjustments, frequent monitoring, and more frequent dose adjustments to maintain therapeutic International Normalized Ratio (INR).
  • Achieving and maintaining the target INR range is more challenging in younger children.

Conclusions:

  • Current guidelines for oral anticoagulants in children highlight significant difficulties in administration and monitoring.
  • Specialized approaches are needed for effective and safe anticoagulation in pediatric patients, particularly infants.
  • Further research is warranted to optimize anticoagulant regimens for children.

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