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Updated: Jul 12, 2026
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
[Transcatheter aortic valve implantation for aortic stenosis. Initial experience]
Guillermo Careaga-Reyna1, José Luis Lázaro-Castillo2, Carlos Alberto Lezama-Urtecho3
1Dirección General, Unidad Médica de Alta Especialidad, Hospital General Dr. Gaudencio González Garza, Centro Médico Nacional La Raza, Instituto Mexicano del Seguro Social, Ciudad de México, México.
Percutaneous aortic valve implantation offers a less invasive option for elderly patients with aortic stenosis. Initial findings suggest this transcatheter aortic valve procedure is safe and improves clinical outcomes in selected individuals.
Area of Science:
- Cardiology
- Interventional Cardiology
- Geriatric Medicine
Background:
- Aortic stenosis is a common condition in the elderly.
- Systemic pathologies can contraindicate traditional surgical valve replacement.
- Percutaneous aortic valve implantation (TAVI) provides a less invasive alternative.
Purpose of the Study:
- To present the initial experience with percutaneous aortic valve implantation.
- To evaluate the safety and efficacy of TAVI in selected patients with aortic stenosis.
Main Methods:
- Patients with aortic stenosis meeting selection criteria were enrolled.
- Transcatheter aortic valves were implanted under general anesthesia with echocardiographic and fluoroscopic guidance.
- Post-procedure angiographic and pressure measurements confirmed valve function.
Main Results:
- Six patients (4 males, 2 females, mean age 78.83 years) underwent TAVI.
- Significant reduction in transvalvular gradient (90.16 to 3.33 mmHg, P<.05).
- One patient experienced an adverse event (coronary artery occlusion) and died post-procedure due to complications.
Conclusions:
- Percutaneous aortic valve implantation is a safe procedure in selected elderly patients.
- TAVI demonstrates clinical improvement for treated patients.
- This initial experience supports TAVI as a viable treatment option.
