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The center of mass is the point at which the total mass of an object can be said to be concentrated. It is a fundamental principle in mechanics and physics that applies to all objects regardless of their shape or size. The center of gravity is the point at which an object’s weight appears to be concentrated and can be used to balance the object perfectly.
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TAVI Performance at a Single Center over Several Years: Procedural and Clinical Outcomes.

Huseyin Dursun1, Bihter Senturk1, Tugce Colluoglu2

  • 1Department of Cardiology, Faculty of Medicine, Dokuz Eylul University, Izmir 35340, Turkey.

Medicina (Kaunas, Lithuania)
|January 28, 2026
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Summary

Transcatheter aortic valve implantation (TAVI) in 375 patients over 12 years showed high technical success (90.4%) and device success (85.3%). Experienced operators and device innovation are key to achieving good outcomes in TAVI procedures.

Keywords:
aortic stenosisoutcomestranscatheter aortic valve implantation

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Transcatheter aortic valve implantation (TAVI) is a primary treatment for symptomatic aortic stenosis (AS) in patients >70 years.
  • TAVI is also indicated for younger patients with comorbidities, valve-in-valve procedures, and severe aortic insufficiency.

Purpose of the Study:

  • To evaluate procedural and clinical outcomes of transfemoral TAVI.
  • To assess outcomes over a 12-year period using various bioprosthetic valves by the same experienced operators.

Main Methods:

  • Retrospective analysis of 375 transfemoral TAVI procedures performed between 2012 and 2023.
  • Utilized six different bioprosthetic valve types.
  • Outcomes assessed using Valve Academic Research Consortium-3 (VARC-3) criteria.

Main Results:

  • Technical success rate was 90.4%, and device success rate was 85.3% (VARC-3 criteria).
  • Major vascular complications occurred in 4.8% of patients; 11.2% required permanent pacemaker implantation.
  • Five-year mortality rate was 45.6%; STS scores and post-TAVI acute kidney injury were independent predictors of mortality.

Conclusions:

  • This 12-year registry highlights the evolution of TAVI procedures at a single center.
  • High procedural success and low complication rates are attributed to operator experience and device innovation.