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Updated: Jan 30, 2026
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Implantation of Human-Sized Coronary Stents into Rat Abdominal Aorta Using a Trans-Femoral Access
Published on: November 19, 2020
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Successful Stent Delivery Through a Slaloming Coronary Path
Konstantinos Aznaouridis1, Maria Bonou, Konstantina Masoura
11st Department of Cardiology, Hippokration Hospital, 114 Vas. Sofias Avenue, 11527 Athens, Greece. conazna@yahoo.com.
The Journal of Invasive Cardiology
|February 1, 2019
Summary
This study presents a guide catheter support technique for complex percutaneous coronary intervention (PCI) in saphenous vein grafts. The method uses deep guide catheter intubation and a buddy wire for stent delivery, offering a safer alternative to complex procedures.
Area of Science:
- Interventional Cardiology
- Vascular Surgery
Background:
- Refractory angina often requires complex percutaneous coronary intervention (PCI).
- Saphenous vein grafts (SVGs) present unique challenges for PCI due to tortuosity and sequential anastomoses.
- Treating critical stenosis in SVG lesions necessitates advanced catheter manipulation techniques.
Observation:
- A critical stenosis was identified in the retrograde limb of a first marginal branch within a tortuous SVG.
- Stent delivery required navigating sequential angulations, demanding enhanced guide catheter support.
Findings:
- A novel technique involving deep guide catheter intubation into the SVG and use of a buddy wire was successfully employed.
- This maneuver provided sufficient support for stent delivery, proving effective and safer than the double guide-catheter extension technique.
Implications:
- This method offers a cost-effective and safer alternative for complex SVG interventions.
- Careful guide catheter selection and pressure waveform monitoring are crucial to prevent graft complications during the procedure.
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