No, no no..
The VEINS (Not vains) are not blocked, the right coronary artery
(Not ingeoplastic) would be possible if it is a narrow (discrete)and not a too long(diffuse) block, if the artery is large enough and if the patient had enough symptoms or a positive stress test
to warrant it..
Even a 100% block is angioplastiable, at times
Multiple,long diffuse blocks with poor vessel sizes, usually go for a bypass
The hearts veins seldom block
Should it be done?
It depends on the situation, if a heart attack
is ongoing(primary angioplasty), YES
If not, maybe
Ask your doc