Polytetrafluoroethylene-covered stent and coronary artery aneurysms

Catheter Cardiovasc Interv. 2002 Mar;55(3):326-30. doi: 10.1002/ccd.10063.

Abstract

Angiographically detected coronary aneurysms (i.e., coronary segment greater then 1.5 times the normal artery) have an incidence of 0.3%-4.9% among patients undergoing coronary angiography and have been reported after an intervention procedure with a frequency of 2%-10%. The indication for treatment and the best modality still need to be defined. Some authors reported the successful treatment of coronary aneurysms with the polytetrafluoroethylene (PTFE)-covered stent implantation, supporting the role of this strategy. In our institution, from September 1997 to December 1999 eight PTFE-covered stents were implanted to treat seven coronary aneurysms in seven patients. All aneurysms were successfully treated by the PTFE-covered stent. In one case, there was the necessity of an additional PTFE stent to cover the aneurysm completely. In no case did the loss of stent occur. No in-hospital MACE occurred. At 35 +/- 8 (21-44) months, six patients were symptom-free. Angiographic follow-up was performed in all patients at 10 +/- 6 months. Restenosis occurred in one patient (14%) who had repeat percutaneous coronary interventions. This preliminary experience suggests that PTFE-covered stent may be useful in the treatment of coronary artery aneurysms.

Publication types

  • Clinical Trial

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Angioplasty, Balloon, Coronary
  • Coated Materials, Biocompatible*
  • Coronary Aneurysm / diagnostic imaging
  • Coronary Aneurysm / therapy*
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Middle Aged
  • Polytetrafluoroethylene*
  • Radionuclide Imaging
  • Stents*
  • Time Factors
  • Treatment Outcome

Substances

  • Coated Materials, Biocompatible
  • Polytetrafluoroethylene