Coronary Stent Failure: Fracture, Compression, Recoil, and Prolapse

Dominik M. Wiktor, Stephen W. Waldo, Ehrin J. Armstrong

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

Current-generation coronary drug-eluting stents are associated with low rates of restenosis and target lesion revascularization. However, several mechanisms of stent failure remain clinically important. Stent fracture may occur in areas of excessive torsion or angulation. Longitudinal stent deformation is related to axial stent compression owing to extrinsic forces or secondary devices that disrupt stent architecture. Stent recoil occurs when a stent does not deploy at its optimal cross-sectional area. Tissue prolapse between stent struts may also predispose patients to adverse outcomes. Prevention, recognition, and treatment of these stent failures are necessary to optimize patient outcomes after percutaneous coronary interventions.

Original languageEnglish (US)
Pages (from-to)405-414
Number of pages10
JournalInterventional Cardiology Clinics
Volume5
Issue number3
DOIs
StatePublished - Jul 1 2016
Externally publishedYes

Keywords

  • Longitudinal stent deformation
  • Plaque prolapse
  • Stent fracture
  • Stent recoil

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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