Snare Technique for Transcatheter Aortic Valve Implantation in a Difficult Anatomy With Calcified Aortic Valve

Athanasios Kolyviras1, Dimitrios Oikonomou, Georgios Georgiopoulos

  • 1Department of Interventional Cardiology, Henry Dunant Hospital Center, P.O. Box 11526, 107 Leoforos Mesogion Str, Athens, Greece. kolyvirasthanos@hotmail.com.

Insights

Severe aortic annulus calcification prevented prosthetic valve placement. A novel snare catheter technique successfully centralized the valve system for successful implantation.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Severe aortic annulus calcification poses a significant challenge for transcatheter aortic valve replacement (TAVR).
  • Traditional methods may be hindered by complex anatomical variations, increasing procedural risk.

Observation:

  • Direct crossing of the aortic annulus with a prosthetic valve was deemed impossible due to extensive calcification.
  • A novel approach was required to navigate the calcified aortic annulus.

Findings:

  • A snare catheter technique was employed to precisely centralize the prosthetic valve system within the aortic annulus.
  • This technique facilitated accurate alignment and deployment of the valve prosthesis despite severe calcification.

Implications:

  • The snare catheter technique offers a potential solution for complex TAVR cases with severe aortic annulus calcification.
  • This method may improve procedural success rates and reduce complications in challenging TAVR anatomies.
  • Further research can explore the broader applicability of this technique in structural heart interventions.

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