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[Chronic occlusions in patients with coronary heart disease: results of recanalization]

S A Abugov1, S A Davydov, M V Puretskiĭ

  • 1Russian Surgery Research Center, Russian Academy of Medical Sciences.

Vestnik Rentgenologii I Radiologii
|September 29, 2000
PubMed

Insights

Balloon coronary angioplasty effectively revascularizes the myocardium in patients with chronic coronary occlusions and stenoses. While successful, this endovascular treatment shows a high rate of restenosis and asymptomatic reocclusion.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Medicine

Background:

  • Chronic coronary artery disease significantly impacts myocardial function and patient prognosis.
  • Endovascular treatments offer minimally invasive alternatives for myocardial revascularization.
  • Assessing the long-term efficacy and safety of these interventions is crucial.

Purpose of the Study:

  • To evaluate the outcomes of endovascular treatment for chronic occlusions and subtotal stenoses of coronary arteries.
  • To determine the success rates and complication incidence of balloon coronary angioplasty in this patient cohort.
  • To analyze the occurrence of restenosis and reocclusion following endovascular intervention.

Main Methods:

  • Retrospective analysis of 298 patients undergoing endovascular treatment for coronary artery disease.
  • Inclusion of patients with chronic coronary occlusions and subtotal coronary stenoses.
  • Assessment of procedural success, clinical outcomes, and angiographic follow-up for restenosis and reocclusion.

Main Results:

  • Successful endovascularization was achieved in 68.1% of patients with chronic coronary occlusions.
  • A high success rate of 97.5% was observed in patients with subtotal coronary stenoses.
  • A significant incidence of restenosis and asymptomatic reocclusion was noted post-procedure.

Conclusions:

  • Balloon coronary angioplasty is an effective and relatively safe technique for myocardial revascularization in selected patients.
  • While acute success rates are high, long-term surveillance is necessary due to significant rates of restenosis and reocclusion.
  • Further research into optimizing endovascular techniques to reduce restenosis is warranted.

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