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Related Concept Videos

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...
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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...
Continuous Renal Replacement Therapy01:30

Continuous Renal Replacement Therapy

Continuous Renal Replacement Therapy, also known as CRRT, is a procedural treatment for acute kidney injury (AKI) that gradually removes uremic toxins and fluids while maintaining acid-base balance and stabilizing electrolytes. It is particularly useful for hemodynamically unstable patients. Unlike intermittent hemodialysis, which is faster, CRRT provides a gentler approach over 24 hours, closely mimicking the function of natural kidneys. However, CRRT is not ideal for patients with...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...

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Related Experiment Video

Updated: May 18, 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 aortic valve replacement.

Hersh S Maniar1, Alan Zojarias

  • 1Division of Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, USA. maniarh@wustl.edu

Missouri Medicine
|September 8, 2012
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve replacement offers a new treatment for severe aortic stenosis in high-risk patients. This minimally invasive procedure is becoming a viable alternative to traditional surgery.

Related Experiment Videos

Last Updated: May 18, 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
  • Cardiovascular Surgery
  • Medical Devices

Background:

  • Aortic stenosis is the most prevalent valvular heart disease in Western countries.
  • Surgical aortic valve replacement was the sole effective treatment for improving symptoms and survival.
  • Transcatheter aortic valve replacement (TAVR) is a novel therapy for severe aortic stenosis patients with high surgical risk.

Purpose of the Study:

  • To introduce transcatheter aortic valve replacement as a new therapeutic option.
  • To highlight TAVR's role for patients unsuitable for traditional surgery.
  • To discuss the evolving role of TAVR with ongoing research and device improvements.

Main Methods:

  • Review of current literature on aortic stenosis treatments.
  • Analysis of transcatheter aortic valve replacement outcomes in high-risk populations.
  • Comparison of TAVR with surgical aortic valve replacement.

Main Results:

  • Transcatheter aortic valve replacement is effective for severe aortic stenosis in high-risk patients.
  • TAVR provides an alternative for patients with prohibitive surgical risk.
  • Longer follow-up data and device advancements are expanding TAVR's applicability.

Conclusions:

  • Transcatheter aortic valve replacement is a significant advancement in treating severe aortic stenosis.
  • TAVR is a crucial treatment alternative for high-risk surgical candidates.
  • Continued research will further define TAVR's role in cardiovascular medicine.