I had a blockage in my superior vena cava almost 3 years ago caused by my port. I have had a pacemaker since 2006 approx. They did angioplasty to fix the blockage, took them three times to keep it open.They then informed me that I had a blockage on the other side of my pacemaker but they weren't going to do anything about that until I had further complications. I didn't understand this at the time either. They have since discovered that I have scar tissue (adhesions) on my pacemaker leads which need to be replaced. I grow adhesions bad after any surgery. They are concerned that if they go in and replace the leads the blockage (blood clot) may move and it's very close to my heart and my pacemaker, so I'm suppose to wait until I have worse symptoms. My left arm is now more swollen due to the lack of good blood flow and I have been having vertigo which I had with the first blockage (symptom of superior vena cava syndrome). Waiting to see what they say now after seeing my regular physician today and she called my cardiologist. Does this make sense now?
I'm not sure if I completely understand the post either. Are you saying that the pacemaker leads captured the heart close to the coronary arteries and scar tissue (which commonly forms around the leads) is squashing the coronary arteries?
I'm not a health professional, but have pacemaker and have had quite a few angiograms, but don't understand your post. I suspect there are troubles with the leads of your pacemaker, and also perhaps you have developed blockages of your heart arteries. I'd suggest you ask your doctor or hospital to send you the procedure report that describes your angiogram and post it on this site. You are entitled to a written report.
Keep us informed.