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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

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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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Cardiac Catheterization I: Pre-Procedure Overview01:28

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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...
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Aortic Regurgitation I: Introduction01:15

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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...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

708
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: Mar 1, 2026

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
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[TRANSCATHETER AORTIC VALVE REPLACEMENT - CURRENT STATE].

Igor Volodarsky1, Sarah Shimoni1, Kobi George1

  • 1Heart Center, Kaplan Medical Center, Rehovot, affiliated to the Hebrew University, Jerusalem, Israel.

Harefuah
|May 29, 2017
PubMed
Summary

Trans-catheter aortic valve implantation (TAVI) is a minimally invasive procedure for severe aortic stenosis. Evolving technology and expertise have expanded its use, showing TAVI may outperform surgery in many patients.

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Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
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Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Medical Technology

Background:

  • Trans-catheter aortic valve implantation (TAVI) emerged in 2002 and has rapidly advanced.
  • Initially for high-risk surgical patients, TAVI is now widely adopted globally.
  • The primary indication is severe symptomatic aortic valve stenosis.

Purpose of the Study:

  • To review the current medical literature on TAVI.
  • To cover TAVI equipment, deployment methods, indications, contraindications, complications, and patient outcomes.

Main Methods:

  • Literature review of studies on trans-catheter aortic valve implantation.
  • Analysis of data on TAVI procedures, outcomes, and complications.

Main Results:

  • TAVI has evolved significantly since its inception.
  • Evidence suggests TAVI may be superior to surgical intervention for a broader patient group.
  • The procedure's indications have expanded beyond critically ill patients.

Conclusions:

  • Trans-catheter aortic valve implantation is a rapidly developing and increasingly utilized procedure.
  • Its efficacy and safety profile support its use in a wider range of patients with severe aortic stenosis.
  • Continued research and technological advancements are crucial for optimizing TAVI outcomes.