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Related Concept Videos

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
330
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

273
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...
273
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

182
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
182
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

528
Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
528
Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

818
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...
818
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

207
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...
207

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Related Experiment Video

Updated: Dec 21, 2025

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

Published on: August 8, 2025

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Current issues in transcatheter aortic valve replacement.

Silvia Mas-Peiro1,2, Stephan Fichtlscherer1,2, Claudia Walther1,2

  • 1Department of Cardiology, University Hospital Frankfurt am Main, Frankfurt am Main, Germany.

Journal of Thoracic Disease
|May 13, 2020
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve replacement (TAVR) is expanding to lower-risk patients, with recent advancements improving outcomes. Ongoing challenges include reducing complications and clarifying TAVR's role in complex cases.

Keywords:
Transcatheter aortic valve replacement (TAVR)aortic stenosiscomplicationslow-risk

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • Aortic stenosis is the most prevalent valvular heart disease globally.
  • Transcatheter aortic valve replacement (TAVR) is increasingly utilized, even in lower-risk patient populations.
  • Despite advancements, challenges persist in TAVR procedures and patient management.

Purpose of the Study:

  • To review modern approaches and the current status of TAVR.
  • To discuss the expansion of TAVR indications to lower-risk individuals.
  • To identify and address persistent challenges and future perspectives in TAVR.

Main Methods:

  • Review of recent clinical trials supporting TAVR expansion.
  • Discussion of technological advancements in TAVR devices and delivery systems.
  • Analysis of current challenges and future directions in TAVR research and practice.

Main Results:

  • TAVR has seen significant developments, including increased transfemoral access, improved prostheses for complex anatomies, enhanced delivery systems, and features to reduce paravalvular leak.
  • Clinical trials support TAVR expansion to lower-risk patients, with ongoing data collection.
  • Key challenges include updating guidelines, reducing complications (pacemaker implantation, paravalvular leak, stroke), defining TAVR's role with ischemic disease, and assessing bioprosthetic valve durability.

Conclusions:

  • TAVR is a rapidly evolving field with expanding indications.
  • Addressing complications and defining its role in specific patient groups are crucial for future success.
  • Continued innovation in devices and evidence-based guidelines will shape the future of TAVR.