congenital or valvular cardiomyopathy;
ischemic heart disease;
endocrine diseases: male hypogonadism, hyperthyroidism, adrenal diseases, pituitary diseases
proliferative retinopathy or autonomic neuropathy;
contraindications to sildenafil use or CMR imaging;

NCT01803828_exc_T1
Qualifier
valvular
NCT01803828_exc_T2
Qualifier
congenital
NCT01803828_exc_T3
Scope
congenital or valvular
NCT01803828_exc_T4
Condition
cardiomyopathy
NCT01803828_exc_T5
Condition
ischemic heart disease
NCT01803828_exc_T6
Condition
endocrine diseases
NCT01803828_exc_T7
Condition
male hypogonadism
NCT01803828_exc_T8
Condition
hyperthyroidism
NCT01803828_exc_T9
Condition
adrenal diseases
NCT01803828_exc_T10
Condition
pituitary diseases
NCT01803828_exc_T11
Scope
male hypogonadism, hyperthyroidism, adrenal diseases, pituitary diseases
NCT01803828_exc_T12
Condition
proliferative retinopathy
NCT01803828_exc_T13
Condition
autonomic neuropathy
NCT01803828_exc_T14
Condition
contraindications
NCT01803828_exc_T15
Drug
sildenafil
NCT01803828_exc_T16
Procedure
CMR imaging
NCT01803828_exc_T17
Scope
sildenafil use or CMR imaging