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Related Concept Videos

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...
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...
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.

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Related Experiment Video

Updated: Jun 11, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

Short-term results of repeat valve replacement: a predictive factor analysis.

Sylvain Beurtheret1, Vlad Gariboldi, Horea Feier

  • 1Department of Cardiac Surgery, Timone University Hospital, Marseille, France.

The Journal of Heart Valve Disease
|June 30, 2010
PubMed
Summary

Repeat valve replacement surgery is safe for bioprostheses, with low mortality. Key risk factors for repeat valvular surgery include pulmonary hypertension and renal insufficiency.

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Last Updated: Jun 11, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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08:31

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Published on: October 16, 2021

Area of Science:

  • Cardiovascular Surgery
  • Bioprosthetic Heart Valves
  • Surgical Outcomes

Background:

  • New-generation bioprostheses are implanted in younger patients due to longer lifespan.
  • Increased life expectancy leads to a higher rate of repeat valve replacement surgeries.
  • Understanding mortality and risk factors for repeat valvular surgery is crucial.

Purpose of the Study:

  • To evaluate the operative mortality associated with repeat valvular surgery.
  • To identify risk factors for mortality in patients undergoing repeat valve replacement.

Main Methods:

  • Retrospective review of 183 patients undergoing repeat valve replacement (2001-2004).
  • Analysis of reoperation indications: structural degeneration (50%), paravalvular leak (20%), prosthetic endocarditis (14%), valve thrombosis (9%), plasty failure (9%).
  • Inclusion of patients with prior bioprosthesis, mechanical valve, mitral plasty, or hybrid procedures.

Main Results:

  • Overall operative mortality was 6.6%, with 3.9% for bioprosthesis reoperations.
  • Identified mortality risk factors: pulmonary hypertension, renal insufficiency, multiple repeat surgeries, previous mechanical prosthesis, prior mitral surgery, and tricuspid surgery.

Conclusions:

  • Repeat valve replacement of bioprostheses can be performed with acceptable operative risk.
  • Most reoperations are due to structural degeneration, allowing for programmed procedures with low mortality (<4%).
  • Despite acceptable mortality, significant morbidity rates should be considered.