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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis

Published on: May 14, 2013

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Restenosis, Stent Thrombosis, and Bleeding Complications: Navigating Between Scylla and Charybdis

Juan Torrado1, Leo Buckley2, Ariel Durán3

  • 1Department of Cardiology, VCU Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia; Department of Cardiology, Clinic Hospital, School of Medicine, Republic University, Montevideo, Uruguay.

Journal of the American College of Cardiology
|April 14, 2018
PubMed

Insights

Interventional cardiology advances face challenges balancing stent thrombosis, restenosis, and bleeding. New stent technologies and antiplatelet therapies aim to improve patient care for coronary artery disease.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • First-generation drug-eluting stents (DES) reduced restenosis but increased late stent thrombosis.
  • Prolonged antithrombotic therapy mitigated stent thrombosis but raised bleeding risks.
  • Second-generation DES lowered late stent thrombosis but pose risks of very late stent failure due to permanent scaffold.

Purpose of the Study:

  • To review the complex trade-offs between stent thrombosis, restenosis, and bleeding in current interventional cardiology.
  • To highlight key factors contributing to late and very late stent thrombosis.
  • To discuss advancements in stent technology and antiplatelet strategies for improved patient outcomes.

Main Methods:

  • Literature review of interventional cardiology advancements over 40 years.
  • Analysis of the evolution of drug-eluting stent technology.
  • Examination of antiplatelet therapy strategies and their impact on stent-related complications.

Main Results:

  • Early DES improved restenosis rates but introduced new thrombotic risks.
  • Subsequent stent generations and therapies aimed to mitigate these risks, creating new challenges.
  • A persistent complex balance exists between preventing thrombosis, restenosis, and bleeding.

Conclusions:

  • The management of coronary artery disease via stenting involves navigating intricate risks.
  • Continued innovation in stent design and antiplatelet regimens is crucial.
  • Optimizing patient care requires addressing the persistent challenge of balancing stent safety and efficacy.

Keywords:
biodegradable polymersbioresorbable vascular scaffoldbleedingdrug-eluting stentpercutaneous coronary interventionstent restenosisstent thrombosis

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