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Updated: Feb 12, 2026

Fabrication of Small Caliber Stent-grafts Using Electrospinning and Balloon Expandable Bare Metal Stents
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Balloon- or Self-Expandable TAVI: Clinical Equipoise?

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Interventional Cardiology (London, England)
|March 29, 2018
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve implantation (TAVI) offers an effective treatment for severe aortic stenosis. This review compares balloon- and self-expandable TAVI prostheses, summarizing current clinical outcomes and highlighting the need for further comparative data.

Keywords:
TAVIaortic stenosisballoon-expandabledevice successself-expandable

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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • Severe aortic stenosis poses significant risks for patients.
  • Transcatheter aortic valve implantation (TAVI) is a key alternative to surgical valve replacement for high-risk patients.
  • Current TAVI prostheses primarily utilize balloon-expandable or self-expandable designs.

Purpose of the Study:

  • To review the features and clinical outcomes of balloon- and self-expandable TAVI prostheses.
  • To summarize existing data from registries and clinical trials comparing these two main TAVI designs.
  • To identify gaps in knowledge regarding the direct comparison of TAVI prosthesis types.

Main Methods:

  • Literature review of published data.
  • Synthesis of information from clinical trials and patient registries.
  • Comparative analysis of prosthesis designs and associated clinical outcomes.

Main Results:

  • Both balloon- and self-expandable TAVI prostheses are established treatment options.
  • Direct comparative data between the two prosthesis types is currently limited.
  • Ongoing and future trials are expected to provide more insights.

Conclusions:

  • Transcatheter aortic valve implantation (TAVI) is a vital treatment for severe aortic stenosis.
  • Further direct comparative studies are needed to guide prosthesis selection.
  • Advancements in TAVI technology may expand indications and improve patient outcomes.