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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...
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...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
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...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...

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Related Experiment Video

Updated: Jun 20, 2026

Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
08:50

Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement

Published on: March 26, 2018

Aortic valve replacement for aortic stenosis in patients with left ventricular dysfunction.

Michael E Halkos1, Edward P Chen, Eric L Sarin

  • 1Clinical Research Unit, Division of Cardiothoracic Surgery, Emory University School of Medicine, Atlanta, Georgia 30308, USA. mhalkos@emory.edu

The Annals of Thoracic Surgery
|August 25, 2009
PubMed
Summary

Left ventricular dysfunction negatively impacts survival after aortic valve replacement for aortic stenosis. Careful risk factor assessment is crucial for optimizing patient outcomes in this complex procedure.

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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Published on: March 26, 2018

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

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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

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Research

Background:

  • Aortic stenosis is a common valvular heart disease.
  • Left ventricular dysfunction is a potential complication impacting surgical outcomes.
  • Risk factors for mortality after aortic valve replacement (AVR) require thorough investigation.

Purpose of the Study:

  • To evaluate the influence of left ventricular dysfunction and other risk factors on short- and mid-term outcomes following AVR for aortic stenosis.
  • To identify predictors of in-hospital and mid-term mortality after AVR.

Main Methods:

  • A cohort of 773 patients undergoing primary AVR for aortic stenosis between 2002 and 2007 was analyzed.
  • Multivariable regression and Cox proportional hazards models were employed to identify mortality predictors.
  • Ejection fraction (EF) was the primary variable of interest for assessing left ventricular function.

Main Results:

  • Neither EF nor concomitant coronary artery bypass graft surgery (CABG) predicted in-hospital mortality in multivariable analysis.
  • Age, emergent status, and prolonged bypass time predicted in-hospital mortality.
  • Left ventricular dysfunction (EF) was the sole predictor of mid-term mortality after multivariable adjustment, alongside age, renal failure, stroke, and peripheral vascular disease.

Conclusions:

  • Left ventricular dysfunction is a significant negative predictor of mid-term survival post-AVR.
  • Patient comorbidities cumulatively affect outcomes, necessitating comprehensive risk assessment for optimal AVR results.