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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...

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Related Experiment Video

Updated: Jun 20, 2026

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
06:04

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation

Published on: August 8, 2025

[Transcatheter-based aortic valve implantation. Present and future technologies].

Stefan Sack1, Joachim Schofer

  • 1Klinik für Kardiologie, Pneumologie und Internistische, Intensivmedizin Klinikum Schwabing, Städtisches Klinikum München GmbH, München, Germany. stefan.sack@klinikum-muenchen.de

Herz
|August 28, 2009
PubMed
Summary

Transcatheter aortic valve implantation offers a vital alternative for elderly patients with severe calcified aortic stenosis who are poor surgical candidates. This minimally invasive procedure provides a crucial treatment option for a growing patient population.

Related Experiment Videos

Last Updated: Jun 20, 2026

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
06:04

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation

Published on: August 8, 2025

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Biomedical Engineering

Context:

  • Calcified aortic stenosis is the most prevalent heart valve disease, primarily affecting elderly individuals.
  • Affected patients often present with multiple comorbidities, increasing surgical risks.
  • Symptoms like dyspnea, syncope, and angina indicate a poor prognosis if untreated.

Purpose:

  • To describe transcatheter aortic valve implantation (TAVI) as an alternative treatment for patients with severe aortic stenosis.
  • To outline the technical aspects of TAVI, including prosthesis types and access routes.
  • To highlight the growing importance and ongoing development of TAVI.

Summary:

  • TAVI involves implanting a bioprosthetic valve within a stent frame via minimally invasive approaches.
  • Common access routes include transfemoral, transapical, and subclavian.
  • Procedures are increasingly performed with patients awake, particularly via the transfemoral route.

Impact:

  • TAVI provides a life-saving option for high-risk patients unsuitable for traditional surgery.
  • Ongoing research and development promise further improvements in TAVI devices and techniques.
  • This minimally invasive approach addresses a significant unmet need in valvular heart disease management.