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Published on: January 30, 2020
Single-access percutaneous coronary intervention with IMPELLA CP support using a 16F sheath in refractory ventricular
Yuki Sunami1, Takumi Toya2,3, Takafumi Nishimura1
1Division of Cardiology, NHO Tokyo Medical Center, Tokyo, Japan.
Insights
A novel coaxial femoral approach using 16 Fr/14 Fr/6 Fr sheaths allows safe single-access Impella-supported percutaneous coronary intervention (PCI). This strategy enhances procedural efficiency and reduces bleeding risk when radial access is not feasible.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Devices
Background:
- Complex cardiac arrest cases often require combined veno-arterial extracorporeal membrane oxygenation (VA-ECMO), Impella left-ventricular unloading, and urgent percutaneous coronary intervention (PCI).
- Vascular access can be a significant procedural challenge in these high-risk patients.
- Traditional single-access Impella-PCI methods present trade-offs between workflow efficiency and bleeding risk, especially when radial access is not an option.
Purpose of the Study:
- To present a rescue strategy for achieving single-access Impella-supported PCI in cases where radial access is unobtainable.
- To describe a coaxial sheath configuration that facilitates complex interventions while minimizing bleeding complications.
Main Methods:
- A coaxial 16 Fr/14 Fr/6 Fr sheath configuration was employed in the left common femoral artery.
- A 16 Fr Medikit sheath was placed, followed by coaxial insertion of a 14 Fr peel-away sheath for Impella CP implantation.
- A 6 Fr sheath was advanced through the Impella sheath to enable percutaneous coronary intervention (PCI).
Main Results:
- The described coaxial strategy successfully enabled single-access Impella-supported PCI in a patient with refractory ventricular fibrillation and coronary artery occlusion.
- The procedure involved VA-ECMO via right femoral cannulation and Impella CP implantation through the coaxial sheath system.
- Successful stent deployment was achieved via the 6 Fr sheath, and all sheaths except the 16 Fr were removed post-procedure without bleeding complications.
Conclusions:
- A coaxial 16 Fr/14 Fr/6 Fr femoral approach provides a safe and effective method for single-access Impella-supported PCI.
- This technique combines procedural efficiency with a reduced risk of bleeding, particularly valuable when radial access is not feasible.
- This strategy offers a viable solution for complex cardiac arrest interventions requiring mechanical circulatory support and revascularization.
Background:
Complex cardiac arrest cases may require concurrent veno-arterial extracorporeal membrane oxygenation (VA-ECMO), left-ventricular unloading using Impella, and urgent percutaneous coronary intervention (PCI), vascular access sometimes becomes a procedural bottleneck. Conventional single-access Impella-PCI via a 14 Fr peel-away sheath expedites workflow but increases femoral bleeding risk; conversely, the lower-bleeding 16 Fr Medikit sheath used in Japan typically precludes true single-access PCI. We report a rescue strategy employing a coaxial 16 Fr/14 Fr peel-away/6 Fr sheath configuration to achieve single-access Impella-supported PCI when radial access was unobtainable. A 53-year-old man in refractory ventricular fibrillation received VA-ECMO via right femoral cannulation; coronary angiography through the left femoral artery revealed subtotal proximal right-coronary-artery occlusion. Radial access was unobtainable. An Impella CP was implanted through a 14 Fr peel-away sheath coaxially inserted into a 16 Fr Medikit sheath placed in the left common femoral artery. A 6 Fr sheath was advanced through the same peel-away sheath, permitting single-access PCI and successful stent deployment. After revascularization the 6 Fr and 14 Fr sheaths were removed, leaving the Impella supported by the 16 Fr sheath without bleeding complications.
Conclusion:
A coaxial 16 Fr/14 Fr/6 Fr femoral strategy enables safe single-access Impella-supported PCI, combining procedural efficiency with a lower bleeding risk when radial routes are not feasible.
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