Angiography - Complications 

Complications of angiography 

Minor complications can occur following an angiography procedure, but serious complications are rare.

Minor complications include:

  • bleeding or bruising at the site of the incision
  • infection at the incision site, which may need to be treated with antibiotics
  • a mild to moderate allergic reaction to the contrast dye – this can usually be controlled using anti-allergy medication

More serious complications can include:

  • kidney damage
  • heart attack 
  • stroke
  • blood vessel damage requiring further surgery 
  • a serious life-threatening allergic reaction (anaphylaxis) to the contrast dye
  • death

These serious complications are very rare. For example, only an estimated 1 in 1,000 people will have a stroke as a result of having angiography, and approximately 1 in 50,000 to 150,000 people will experience anaphylaxis.

In almost every case, the benefit of having angiography far outweighs any potential risk.

Page last reviewed: 11/02/2013

Next review due: 11/02/2015

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Love your heart

Poor diet, lack of exercise and smoking are the main offenders behind the UK's high level of deaths from heart disease