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I had a Heart Cath on 10/23 for a heart clearance prior to surgery of an Abdominal Aorta Aneuysm that is scdeduled on 11/2. I passed the Cath with no major problems.
How long does the dye that is injected in your heart take to get out of your system.
I seem to be more tired since I had this procedure.

Thanks ---Harry
So very sorry to hear about your abdominal aorta aneurysm. I wish you total success with repair of this. I can imagine how worried you might be.

I have had 10 heart caths and it takes a while to recover. The contrast dye that they used is flushed out very fast with the iv solution if you had the cath done in the hospital.

If, and I doubt it, you had the cath done on an out patient status, they make you drink a lot of water before you leave. I have had only on outpatient cath, but was told it is very hard on your kidneys, especially if you do not "flush" it out.

Your kidneys were tested before you had this cath, believe you me, so as to tell if they were in shape to handle the contrast dye.

The fatigue is normal for a few days. If you have doubts, call your cardiologist of family doctor immediately.

Best of luck on November the second! Can't wait to hear of the good results and your account of the procedure.

[QUOTE]Your kidneys were tested before you had this cath, believe you me, so as to tell if they were in shape to handle the contrast dye[/QUOTE].

Does anyone know what the minimum required kidney function for caths is?
Thank you,

The kidney tests they look at is BUN and creatinine. It is a calculation figured called creatinine clearance that is done to assure good kidney function.

I've had two caths but also have kidney disease. In CKD, the kidney function declines over time, unfortunately. Should I ever need another procedure, how good does my kidney function have to be? What is the minimal kidney function required for this procedure? Is it 50%, 40%, etc.
Many thanks for your reply.
Just wondering?? Is this the same dye used for the 64 slice CT scan? I was told I was getting a LOT of radiation, but don't remember anything about the kidneys. I DO however, remember them tellling me to drink a lot of fluids. Just curious if this dye is the same. This dye was iodine??/ May have that wrong.
Flowergirl2day :)

I have read that there are at least two contrast dyes that can be used for angiograms made during cardiac catheterization. The same applies for the 64 slice Coronary Artery CT Scan, which is the same dye, I have read.

There is a huge difference in the cost of these dyes. The hospital or clinic doing these test, would much rather use the cheaper dye, BUT this dye is only for the folks who have very good kidney function.

Those with borderline, or maybe even poor kidney function, can be given the much more expensive dye that is much more safe as compared to the other dye. An error in this area can be grounds for malpractice, I have read...

I would hope that you have had the very costly dye!
Hi Mimiof3 :)

I have had ten cardiac caths and one 64 slice Coronary Artery CT Scan. Sounds unlikely, but is very true. :(

The dye is not radioactive, but is iodine, which is not good for our kidneys. The same dye is also used during an angiogram.

The radiation you received was from the CT camera and was substantial. I was totally amazed in august of 2006 when I had my scan. I have since learned that they are feverishly working to reduce the ionizing radiation dose. But as the dose was reduced, so was the quality of the picture. I am sure that this has probably been improved a lot?

You also receive a fairly large dose when you get a cardiac cath, due to the camera that uses fluoroscopy, which uses ionizing radiation (pure energy). The dye is not radioactive, but the camera can "see" iodine in the arteries. Some iodine contrasts are radioactive. If these we are discussing are, the radiation dose is very minimal. It is the cameras that are irradiating us!

I read and calculated that rad dose from the ct scan I had, was roughly equivalent to 75% of what the Nuclear Regulatory Commission allows a nuclear plant worker to receive in one year.....

I worked in a nuclear plant for over 20 years. It takes a large, non lethal rad dose many, many years to cause harm. The harm comes from the ionizing radiation creating so many "free radicals" within our body, which can eventually cause cancer. I take vitamins that are free radical scavengers :)

thank you so much! I did not realize there were two types of dyes available for the doctors to choose from, depending on the circumstances. Knowing that is a huge relief, really. :) I somehow thought they could not perform the procedure at all if the level of kidney function didn't meet their criteria.
I don't know which dye was used previously. I never thought to ask. That info might be in the paperwork. Thanks once again!

Flowergirl :)

I ran into this info a while ago. I am so glad that it helped you :) The reason I researched it was the day I had an outpatient cath, the male nurse sat with me and would not let me leave until I drank X amount of water.

He mentioned the 2 types of dye available. I searched it out on the net and sure enough.....I think this has played a part in malpractice suits for sure....So sorry about your kidneys. I have one that hurts a lot. I passed a large stone through it years ago, and it has never been the same :(


My last angiogram caused me a lot of pain and took a long time to heal. Five months later, I am now experiencing pain in the exact same area.
What happens to the angioseals used to close the arteries? Do they completely dissolve after a while? Or do they remain in place forever? And if so, can they become dislodged or infected and cause problems?

thank you,

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