Acute coronary syndrome within 1 month
Heart failure NYHA III to IV
Contraindication to Aspirin
On anticoagulant therapy
Emergent surgery
Cardiac surgery
High bleeding risk surgeries, e.g., Intra-cranial surgery, Intra-spinal surgery, Retinal surgery
Pregnancy or breast-feeding
Life expectancy less than 1year

NCT02797548_exc_T1
Condition
Acute coronary syndrome
NCT02797548_exc_T2
Temporal
within 1 month
NCT02797548_exc_T3
Condition
Heart failure
NCT02797548_exc_T4
Measurement
NYHA
NCT02797548_exc_T5
Value
III to IV
NCT02797548_exc_T6
Condition
Contraindication
NCT02797548_exc_T7
Drug
Aspirin
NCT02797548_exc_T8
Procedure
anticoagulant therapy
NCT02797548_exc_T9
Procedure
Emergent surgery
NCT02797548_exc_T10
Procedure
Cardiac surgery
NCT02797548_exc_T11
Condition
High bleeding risk surgeries
NCT02797548_exc_T12
Condition
Intra-cranial surgery
NCT02797548_exc_T13
Condition
Intra-spinal surgery
NCT02797548_exc_T14
Condition
Retinal surgery
NCT02797548_exc_T15
Scope
Intra-cranial surgery, Intra-spinal surgery, Retinal surgery
NCT02797548_exc_T16
Condition
Pregnancy
NCT02797548_exc_T17
Condition
breast-feeding
NCT02797548_exc_T18
Observation
Life expectancy
NCT02797548_exc_T19
Value
less than 1year