Practice Quiz

CSC Cardiac Nursing Subspecialty

Category - Problems

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Which of the following statements is true regarding bare metal stent versus drug-eluting stent (DES)?
  1. DES is surface treated to avoid fibrin to stick over it
  2. DES contains vasodilator substances which keeps the coronary arteries open
  3. DES inhibits cell proliferation and inflammation and reduces restenosis
  4. DES contain anticoagulants which prevent thrombosis of stent
Explanation
Answer: C - Drug eluting stents inhibit cell proliferation and inflammation and reduce the incidence of restenosis. They are not used to elute antibiotics or anticoagulants, and they are inorganic and are, therefore, not rejected. Drug-eluting stents are more costly than standard stents. Most coronary stents are premounted on an inflatable balloon delivery system, which is carried by a catheter to the site of lesion.
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