Stumpless ostial right coronary artery chronic total occlusion: Retrograde approach
1Department of Cardiology, Medicover Hospitals, Madhapur, Telangana, India.
Insights
Retrograde wiring is a key strategy for treating challenging aorto-ostial chronic total occlusions when antegrade approaches fail. This case demonstrates successful retrograde recanalization and stenting of a stumpless ostial right coronary artery chronic total occlusion.
Area of Science:
- Interventional Cardiology
- Vascular Interventions
- Cardiovascular Disease
Background:
- Percutaneous coronary interventions (PCI) for coronary total occlusions (CTOs), particularly aorto-ostial lesions, present significant technical challenges.
- Antegrade wiring is often infeasible in aorto-ostial CTOs, necessitating alternative strategies.
Observation:
- This case report details a successful intervention for a stumpless ostial right coronary artery chronic total occlusion.
- The retrograde wiring approach was employed due to the infeasibility of antegrade wiring.
Findings:
- Successful recanalization and externalization by snaring were achieved using the retrograde approach.
- Intravascular ultrasound (IVUS) was utilized to assess the distal right coronary artery and posterior left ventricular branch (PLVB) morphology.
- IVUS guidance informed the optimal stenting strategy for the complex lesion.
Implications:
- This case highlights the efficacy of retrograde wiring and snaring for complex aorto-ostial CTOs.
- The use of IVUS is crucial for detailed lesion assessment and guiding stent placement in such challenging anatomies.
- This approach offers a viable solution for patients with CTOs where conventional methods are not applicable.
Abstract:
Percutaneous coronary interventions of the coronary total occlusions, especially of the aorto-ostial lesions, portray challenges. As the antegrade wiring is not feasible in aorto-ostial chronic total occlusions, the retrograde wiring remains the lone strategy. We present a successful case of stumpless ostial right coronary artery chronic total occlusion, which was successfully opened by retrograde wiring and externalization by snaring. Intravascular ultrasound was performed to comprehend the diffusely narrowed distal right coronary artery and posterior left ventricular branch (PLVB) to guide stenting strategy in percutaneous coronary intervention.
