What are the risk categories for thromboembolism?

Updated: May 08, 2018
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: William A Schwer, MD  more...
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Answer

Answer

Jaffer formulated the Cleveland Clinic Anticoagulation Clinic Protocol and defined the following 3 risk categories for thromboembolism: [14]

  • High - 1-year risk of arterial embolism greater than 10%, or 1-month risk of venous thromboembolism greater than 10%

  • Intermediate - 1-year risk of arterial embolism greater than 5-10%, or 1-month risk of venous thromboembolism at 2-10%

  • Low - 1-year risk of arterial embolism less than 5%, or 1-month risk of venous thromboembolism less than 2%


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