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Orbit Bleeding Risk Score

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Orbit Bleeding Risk Score

  • See Also
  1. HAS-BLED Score
  2. Outpatient Bleeding Risk Index
  3. Atrial Fibrillation Anticoagulation
  4. CHADS2-VASc Score
  • Indications
  1. Assess Adults with Atrial Fibrillation for risk of bleeding while on Anticoagulation
  • Criteria
  1. Score 1: Age >74 years old
  2. Score 1: Glomerular Filtration Rate (GFR) <60 ml/min/1.73m2
  3. Score 1: Antiplatelet use
  4. Score 2: Major bleeding history (e.g. Gastrointestinal Bleeding or Intracranial Bleeding)
  5. Score 2: Low Hemoglobin
    1. Female <12 g/dl or Hematocrit <36%
    2. Male <13 g/dl or Hematocrit <40%
  • Interpretation
  1. Total Score 0 to 2: Low Risk (2.4 bleeding events per 100 patient years)
  2. Total Score 3: Moderate Risk (4.7 bleeding events per 100 patient years)
  3. Total Score >=4: High Risk (8.1 bleeding events per 100 patient years)
  • Resources
  1. Orbit Bleeding Risk Score in Atrial Fibrillation (MDCalc)
    1. https://www.mdcalc.com/orbit-bleeding-risk-score-atrial-fibrillation
  • References
  1. O'Brien (2015) Eur Heart J 36(46):3258-64 +PMID:26424865 [PubMed]