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[Percutaneous coronary angioplasty in diabetic patients. Part II: hopes based on endovascular prosthesis]

F Warzée1, V Legrand, A J Scheen

  • 1CHU Sart Tilman, Liège.

Revue Medicale De Liege
|January 14, 2005
PubMed

Insights

Diabetic patients have poorer outcomes from coronary artery revascularization, including percutaneous coronary angioplasty (PTCA) with bare-stents. Drug-eluting stents may offer improved management for these high-risk cardiac patients.

Area of Science:

  • Cardiology
  • Diabetology
  • Interventional Cardiology

Background:

  • Coronary artery revascularization yields less favorable results in diabetic patients compared to non-diabetics.
  • Percutaneous coronary angioplasty (PTCA) in diabetics is linked to higher restenosis and cardiac events.
  • Bare-metal stents reduce restenosis but are less effective in smaller vessels common in diabetic angiopathy.

Purpose of the Study:

  • To evaluate the effectiveness of different coronary revascularization strategies in diabetic patients.
  • To compare outcomes of PTCA with bare-metal stents versus coronary artery bypass graft (CABG) in diabetics.
  • To explore the potential benefits of drug-eluting stents (DES) for diabetic patients with coronary heart disease.

Main Methods:

  • Review of outcomes from coronary revascularization procedures in diabetic and non-diabetic populations.
  • Analysis of restenosis rates and cardiac morbidity/mortality associated with PTCA and stenting.
  • Consideration of data from the Arterial Revascularization Therapy Study (ARTS).

Main Results:

  • Diabetic patients exhibit a worse prognosis even with PTCA and bare-metal stents compared to non-diabetics.
  • Bare-metal stent efficacy diminishes in smaller coronary vessels, a frequent issue in diabetic patients.
  • The ARTS trial highlights poorer outcomes for diabetics undergoing PTCA with bare-stents versus CABG.

Conclusions:

  • Current revascularization strategies, including PTCA with bare-metal stents, are suboptimal for diabetic patients.
  • Drug-eluting stents, with their pharmacological agents to prevent restenosis, present a promising alternative.
  • DES may significantly improve the management and prognosis of coronary heart disease in the diabetic population.

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