cardiac or non-cardiac illness with life expectancy of less than two years;
failure to advance the IVUS catheter through the culprit lesion;
acute coronary syndrome
congestive heart failure NYHA III-IV
diabetes mellitus
chronic kidney disease
previous PCI in the target vessel
heavily calcified vessels
allergy to metformin

NCT02744976_exc_T1
Condition
non-cardiac illness
NCT02744976_exc_T2
Condition
cardiac illness
NCT02744976_exc_T3
Observation
life expectancy
NCT02744976_exc_T4
Value
less than two years
NCT02744976_exc_T5
Device
IVUS catheter
NCT02744976_exc_T6
Procedure
advance the IVUS catheter
NCT02744976_exc_T7
Qualifier
failure
NCT02744976_exc_T8
Qualifier
culprit lesion
NCT02744976_exc_T9
Condition
acute coronary syndrome
NCT02744976_exc_T10
Condition
congestive heart failure
NCT02744976_exc_T11
Measurement
NYHA
NCT02744976_exc_T12
Value
III-IV
NCT02744976_exc_T13
Condition
diabetes mellitus
NCT02744976_exc_T14
Condition
chronic kidney disease
NCT02744976_exc_T15
Procedure
PCI
NCT02744976_exc_T16
Temporal
previous
NCT02744976_exc_T17
Qualifier
target vessel
NCT02744976_exc_T18
Qualifier
target vessel
NCT02744976_exc_T19
Condition
heavily calcified vessels
NCT02744976_exc_T20
Condition
allergy
NCT02744976_exc_T21
Drug
metformin