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Complications

ANGIOPLASTY

Restenosis à with only angioplasty (without stenting) restenosis occurs in 30% of cases. Bare-metal stents reduce the chance of restenosis by 20% and use of drug-eluting stents reduce risk to < 10%.

MI à can occur during the procedure (rare). Blood clots formed within the stent can block arteries causing ischemic damage. Importance of anti-coagulation.

Stroke à can occur if plaque breaks loose when the catheters are being threaded through the aorta. Blood clots can form in catheters and travel to the brain if they break loose.

Arrhythmias

Bleeding à at catheter site.

Kidney damage à from the contrast used during the procedure.

Carotid à risk of atheroembolization, to reduce the risk use cerebral protective devices. It captures the emboli during catheter manipulation, angioplasty, and stenting. During balloon inflation à bradycardia and hypotension can occur. Dissection with a carotid approach vs. femoral. Stent fractures are another possible complication 2-4 years later.  Study showed a 15% rate of fracture or deformation at 2 years and 50% rate at 4 years. Open cell stents led to deformation more frequently than closed cell stents, and the stent fractures were significantly associated with heavy calcification.

 

Dr. Ben-Zur a cardiologist performs Atrial Ablations. Treats atrial fibrillations in Tarzana. Treats arryhthmias in pacemakers.

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