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[Stents: new studies--new trends]

R Dietz1, J Waigand, F Uhlich

  • 1Franz-Volhard-Klinik am Max-Delbrück-Centrum, Virchow-Klinikum, Humboldt-Universität zu Berlin.

Zeitschrift Fur Kardiologie
|February 1, 1997
PubMed
Summary

Coronary artery stents show limited benefit in preventing restenosis, primarily in large vessels with short lesions. Current unrestricted use may not be supported by robust data, suggesting a need for more selective implantation strategies.

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology

Context:

  • The frequency of coronary artery stent implantation has risen, often based on the assumption of preventing restenosis.
  • Two randomized studies (Stress I and Benestent I) demonstrated a benefit of stents in preventing restenosis, but only under specific conditions.

Purpose:

  • To evaluate the efficacy of coronary artery stents in preventing restenosis.
  • To assess the appropriateness of the expanding use of stents in coronary interventions.

Summary:

  • Stents can prevent restenosis in large coronary vessels (> 3.0 mm) with short denovo lesions, as shown in limited studies.
  • The observed benefit of stents is modest (approximately 10% less restenosis) and diminishes over time.
  • Data supporting stent use in broader indications is lacking, raising concerns about current practices.

Impact:

  • The findings suggest that the current

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