Complications related to the catheter include:
- Pain, swelling, and tenderness at the catheter
- Irritation of the vein by the catheter (superficial
thrombophlebitis). This can usually be treated with warm
- Bleeding at the catheter site.
- A bruise
where the catheter was inserted. This usually goes away in a few
- Trouble urinating after the procedure.
Serious complications are
rare, but they can be life-threatening. Serious complications are more likely
to occur in people who are critically ill or elderly. These complications may
- Sudden closure of the coronary artery.
tear in the inner lining of the artery.
- Allergic reaction to the contrast material, with hives
and itching and, rarely, shortness of breath, fever, and
shock. These allergic reactions can usually be
controlled with medicines.
- Kidney damage. In rare cases, the
contrast material can damage the kidneys, possibly causing
kidney failure. People with diabetes and kidney
disease are at greatest risk for kidney damage.
- Heart attack or stroke.
- Need for more procedures or surgery for complications.
Radiation risk. There is always a slight risk of damage to cells or tissues
from being exposed to any radiation, including the low levels of X-ray used for
this test. But the risk of damage from the X-rays is usually very low
compared with the potential benefits of the test.
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
George Philippides, MD - Cardiology
July 20, 2011
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