ORBIT Flashcards
1
Q
What is the ORBIT scoring tool?
A
Assesses the risk of bleeding when a patient commences, or is under review, regarding anticoagulation therapy in atrial fibrillation
2
Q
What are the different components of ORBIT?
A
-
Older (75 years or older)
1 point -
Reduced haemoglobin (<13 mg/dL in men and <12 mg/dL in women), haematocrit (<40% in men and <36% in women) or history of anaemia
2 points -
Bleeding history
2 points -
Insufficient kidney function (eGFR < 60 mg/dL/1.73 m2)
1 point -
Treatment with an antiplatelet agent
1 point
3
Q
What does each scoring outcome represent in ORBIT?
A
ORBIT Score - Risk Group - Bleeds per 100 patient-years
0-2 Low 2.4
3 Medium 4.7
4-7 High 8.1
