Hello, Thanks for posting your query on Healthcare Magic...
* Brief Answer:it seems that your father needs to do CABG(coronary
artery bypass grafting).
*Explanation: My opinion is that multiple coronary vessel disease is an indication to do coronary bypass grafting,
percutaneous coronary intervention in your father condition is debatable and may be non beneficial to his condition,on the other hand ,CABG would improve morbidity and mortality.
I suggest my patients the following : consult a cardiothoracic surgeon about your father's condition and adhere to antiischemic medications
The information provided by you is not sufficient to provide a good opinion. If someone comes to me with this condition I would ask them about other comorbidities and results of any any other investigations you have done to your father.
*Conclusion: I suggest you consult a cardiothoracic surgeon and stick to your medications low salt in diet and
If you have any further questions I will be happy to help, If not, you can close the discussion and rate the answer. Wish your father good health.