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Coronary Stents

Coronary Stents. By: Brian Volpe. Coronary Heart Disease. (CHD) is the narrowing and blockage of the coronary arteries that supply the heart with blood and oxygen caused by the buildup of plaque in arteries “Coronary heart disease ( CHD) is the leading cause

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Coronary Stents

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  1. Coronary Stents By: Brian Volpe

  2. Coronary Heart Disease • (CHD) is the narrowing and blockage of the coronary arteries that supply the heart with blood and oxygen • caused by the buildup of plaque in arteries • “Coronary heart disease (CHD) is the leading cause of death in the United States for men and women.” PubMed

  3. Brief History • 1970 – Doctors used a balloon angioplasty to help patients with narrowing coronary arteries • 1986 – First implant of a coronary stent to a human by French scientists • 1994 – FDA approval of the first coronary stent

  4. Coronary Stents • The stents are typically small, expandable metal mesh tubes that support the blood vessel when it’s being restricted by the build up of plaque. • Two types of coronary stents: Bare-metal stents and Drug-coated stents • Drug-coated stents slowly release medication when restenosis occurs • After the procedure, the artery will heal around the stent.

  5. Procedure • A small incision will be made in your leg • The catheter is inserted and pushed up to the blood vessel • An x-ray machine will be monitored at your heart so the surgeon can position the catheter properly • The catheter will be expanded to widen he artery wall • Another catheter with a stent attached to it will be sent to the artery where it will expand and the stent will deploy. Balloon inflates for about 60 seconds to expand

  6. Future • Fully absorbable stents (FAS) • decrease long-term stent thrombosis • FAS actually needed? • Failure rate is already 1% • Stents are not a cure

  7. Worked Cited • http://en.wikipedia.org/wiki/Coronary_stent • http://www.webmd.com/heart-disease/guide/stents-types-and-uses?page=2 • http://www.surgeryencyclopedia.com/Ce-Fi/Coronary-Stenting.html#b • http://www.dicardiology.com/article/future-coronary-stenting • http://www.hcup-us.ahrq.gov/reports/statbriefs/sb128.pdf

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