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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...
Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
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...

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Related Experiment Video

Updated: May 11, 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: an update.

Sharif A Halim1, Todd L Kiefer, G Chad Hughes

  • 1Division of Cardiology, Duke University Medical Center, Durham, NC 27710, USA. sharif.halim@duke.edu

Current Cardiology Reports
|May 10, 2013
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve replacement offers a significant survival benefit for patients with severe aortic stenosis who are ineligible for surgery. This minimally invasive approach is a crucial advancement in treating this common heart condition.

Related Experiment Videos

Last Updated: May 11, 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
  • Geriatric Medicine

Background:

  • Aortic stenosis is a prevalent valvular heart disease, particularly in older adults, leading to significant morbidity and mortality.
  • Symptomatic severe aortic stenosis carries a poor prognosis, with high mortality rates if left untreated.
  • Many elderly patients with aortic stenosis are poor surgical candidates, limiting treatment options.

Purpose of the Study:

  • To review the current state of transcatheter aortic valve replacement (TAVR) technology.
  • To discuss patient selection, procedural considerations, and potential complications associated with TAVR.
  • To explore the future directions of transcatheter heart valves in managing aortic stenosis.

Main Methods:

  • Review of existing literature and clinical trial data on transcatheter aortic valve replacement.
  • Analysis of outcomes from studies comparing TAVR with medical therapy and surgical options.
  • Discussion of procedural techniques, imaging, and patient management strategies.

Main Results:

  • Transcatheter aortic valve replacement has demonstrated a significant mortality benefit in high-risk patients compared to medical management.
  • The Sapien valve (PARTNER cohort B) showed a 20% absolute mortality reduction at one year in this patient group.
  • TAVR is an established alternative for patients with prohibitive surgical risk.

Conclusions:

  • Transcatheter aortic valve replacement is a safe and effective treatment for severe aortic stenosis in patients unsuitable for open-heart surgery.
  • Careful patient selection and procedural planning are essential for optimal TAVR outcomes.
  • Continued advancements in TAVR technology promise expanded applications in valvular heart disease management.