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What are the risks of a stent procedure?

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The risks of procedures that involve insertion of a stent include blood clots, artery blockage, bleeding, breathing trouble resulting from the use of anesthesia or insertion of a stent in the bronchi, and allergic reactions to dyes or medicines, states Healthline. It's also possible for patients to experience re-narrowing of arteries, kidney stones, vessel infections or heart attacks.

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In rare cases, patients may suffer seizures or strokes, according to Healthline. Nonetheless, patients are often at a higher risk if they do not undergo a stent procedure, because their medical conditions can lead to severe complications such as blocked vessels or inadequate blood flow.

After a stent procedure, doctors prescribe anticoagulant medications to prevent blood clots and mild painkillers to relieve pain at the incision site, explains Healthline. Patients stay in the hospital overnight, allowing doctors to monitor their recovery and prevent complications. Those with coronary conditions, such as stroke or heart attack, may require a longer hospital stay. When recovering at home, patients should drink lots of water and limit physical activity.

Stents help keep a blocked passageway open, enabling blood and other fluids to flow properly, notes Healthline. Doctors sometimes use medicine-coated stents to prevent clogged arteries from closing again. They use stents that expand on their own when performing a balloon angioplasty, a procedure that opens a blocked artery of the heart.

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