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Related Concept Videos

Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in 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...
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...

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Related Experiment Video

Updated: May 12, 2026

Assessment of Right Ventricular Structure and Function in Mouse Model of Pulmonary Artery Constriction by Transthoracic Echocardiography
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Right Ventricular Dysfunction before and after Cardiac Surgery: Prognostic Implications.

Anna Merlo1, Camilla Cirelli1, Enrico Vizzardi2

  • 1School of Medicine and Surgery, University of Milan-Bicocca, 20126 Milan, Italy.

Journal of Clinical Medicine
|March 28, 2024
PubMed
Summary

Right ventricular dysfunction significantly impacts outcomes in cardiac surgery patients. More research is needed to define and diagnose this condition due to limited evidence from small studies.

Keywords:
cardiac surgeryechocardiographyprognosisright ventricular dysfunction

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Cardiovascular Disease Research

Background:

  • Right ventricular dysfunction is a known prognostic factor in various cardiovascular diseases.
  • Its impact in large cardiac surgery populations, both pre- and post-operatively, requires further clarification.

Purpose of the Study:

  • To review the existing literature on the prognostic implications of right ventricular dysfunction in adults undergoing cardiac surgery.
  • To highlight the need for larger studies due to current evidence limitations.

Main Methods:

  • Systematic literature review of studies examining right ventricular dysfunction in adult cardiac surgery patients.
  • Analysis of pre- and post-operative right ventricular dysfunction and its prognostic significance.

Main Results:

  • Pre- and post-operative right ventricular dysfunction shows significant prognostic implications.
  • Existing literature is largely based on small studies, indicating a need for larger population-based research.

Conclusions:

  • Right ventricular dysfunction has substantial prognostic implications in cardiac surgery.
  • There is a lack of consensus on its definition and diagnostic criteria.
  • Larger studies are essential to fully understand its role and impact.