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Background <p>With the development of specialized equipment and the retrograde technique, success rates for percutaneous coronary intervention of chronic total occlusions have increased from 60 to 90% in the past 10&#xa0;years. Performing percutaneous coronary intervention via a collateral channel from the contralateral artery, using two guiding catheters, is usually the preferred approach to retrograde chronic total occlusion-percutaneous coronary intervention. In the case described in this report, we performed successful retrograde revascularization of chronic total occlusion of dominant left circumflex artery via the ipsilateral septal collateral artery from the left anterior descending artery. The procedure was performed successfully through radial artery access using a single guiding catheter.</p> Case summary <p>An 85-year-old white Bulgarian Caucasian male patient, with a history of lateral and inferior myocardial infarction 20 years ago and previous percutaneous coronary intervention, underwent a planned coronary arteriography owing to his complaints of typical angina symptoms. Coronary angiography revealed three-vessel coronary artery disease with patent implanted drug-eluting stents in the mid-left anterior descending artery and in the proximal right coronary artery and chronic total occlusion of dominant left circumflex artery. A septal branch in the midsegment of left anterior descending artery was supplying the distal left circumflex artery retrogradely. After repeated failed attempts at antegrade percutaneous coronary intervention for the left circumflex artery’s chronic total occlusion, the retrograde approach was tried. This intervention finally succeeded through the ipsilateral septal collateral. It was performed via a single radial artery access throughout the whole process. Postoperatively, the patient had no complications and was stable at the 6-month follow-up.</p> Conclusion <p>The transradial approach to retrograde percutaneous coronary intervention for chronic total occlusions via an ipsilateral septal collateral using a single guiding catheter is feasible and safe in appropriately selected cases.</p>

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Transradial retrograde percutaneous coronary intervention of chronic total occlusion using a single guiding catheter: a case report

  • 期刊论文

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  • 发表日期：

    2025年5月23日

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  • Georgi Goranov,
  • Petko Petrov

摘要

Background

With the development of specialized equipment and the retrograde technique, success rates for percutaneous coronary intervention of chronic total occlusions have increased from 60 to 90% in the past 10 years. Performing percutaneous coronary intervention via a collateral channel from the contralateral artery, using two guiding catheters, is usually the preferred approach to retrograde chronic total occlusion-percutaneous coronary intervention. In the case described in this report, we performed successful retrograde revascularization of chronic total occlusion of dominant left circumflex artery via the ipsilateral septal collateral artery from the left anterior descending artery. The procedure was performed successfully through radial artery access using a single guiding catheter.

Case summary

An 85-year-old white Bulgarian Caucasian male patient, with a history of lateral and inferior myocardial infarction 20 years ago and previous percutaneous coronary intervention, underwent a planned coronary arteriography owing to his complaints of typical angina symptoms. Coronary angiography revealed three-vessel coronary artery disease with patent implanted drug-eluting stents in the mid-left anterior descending artery and in the proximal right coronary artery and chronic total occlusion of dominant left circumflex artery. A septal branch in the midsegment of left anterior descending artery was supplying the distal left circumflex artery retrogradely. After repeated failed attempts at antegrade percutaneous coronary intervention for the left circumflex artery’s chronic total occlusion, the retrograde approach was tried. This intervention finally succeeded through the ipsilateral septal collateral. It was performed via a single radial artery access throughout the whole process. Postoperatively, the patient had no complications and was stable at the 6-month follow-up.

Conclusion

The transradial approach to retrograde percutaneous coronary intervention for chronic total occlusions via an ipsilateral septal collateral using a single guiding catheter is feasible and safe in appropriately selected cases.