Stroke
The risk of stroke may increase when plaques break loose while the catheter is threaded through the aorta. Blood clots can develop in the catheter and may reach the brain on breaking loose.
Blood thinners are used to control the risk of stroke, although it is a rare risk of coronary angioplasty.
Bleeding
Bleeding may occur in the arm or groin where the catheter was inserted. Bruising is a common side effect and bleeding occurs only in severe cases. However, blood transfusion may become necessary in case of severe bleeding.
Blood clots
Blood clots may appear within stents even after a coronary angioplasty surgery, making the arteries close down and causing a heart attack.
Doctors usually prescribe aspirin, along with other medications like clopidogrel (Plavix) or other similar drugs. This is to control the risk of blood clots developing in the stent.
Don’t stop or change the dosage of these medications without consulting your doctor.
Abnormal heart rate
Abnormal rhythms of the heart are not common but can happen during a coronary angioplasty. It gradually gets restored to normal within a short span of time. However, in severe cases, medications or a temporary pacemaker may become necessary.
Heart attack
In very rare cases, a heart attack may occur during a coronary angioplasty surgery in case an artery tears or ruptures. Under such emergencies, bypass surgery may become necessary.
Kidney conditions
Stent placement and usage of dye during angioplasty surgery may raise the risk of damage to the kidney, especially amongst those with kidney problems.
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