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Related Concept Videos

Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

77
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...
77
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

54
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
54
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

46
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...
46
Mitral Regurgitation IV: Nursing Management01:28

Mitral Regurgitation IV: Nursing Management

122
Mitral regurgitation (MR) is a condition where the mitral valve does not close properly, leading to the backward flow of blood from the left ventricle into the left atrium during systole. This condition can arise from various causes, including rheumatic fever, infective endocarditis, or degenerative valve disease. Effective nursing management is crucial to optimizing patient outcomes and involves comprehensive assessment and targeted interventions.Comprehensive Patient AssessmentA detailed...
122
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

90
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...
90
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

82
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...
82

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Related Experiment Video

Updated: Oct 19, 2025

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[Surgery for Recurrent Common Atrioventricular Regurgitation].

Naoki Yoshimura1

  • 1the First Department of Surgery, University of Toyama, Toyama, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|September 22, 2021
PubMed
Summary

Common atrioventricular valve regurgitation in single ventricle palliation poses significant risks. Repairing these valves, especially before the Glenn operation, presents complex challenges in pediatric cardiac surgery.

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Area of Science:

  • Pediatric Cardiac Surgery
  • Congenital Heart Disease
  • Cardiovascular Surgery

Background:

  • Common atrioventricular valve (CAVV) regurgitation is a critical issue in patients undergoing single ventricle palliation.
  • This condition increases the risk of mortality and adverse outcomes, complicating surgical strategies.
  • CAVV repair is technically demanding, particularly in cases requiring intervention before the Glenn operation, often involving complex valve anatomy and the potential for reoperation.

Purpose of the Study:

  • To review the challenges and techniques associated with common atrioventricular valve regurgitation in single ventricle palliation.
  • To discuss various surgical repair strategies for CAVV regurgitation.
  • To highlight the implications of prosthetic valve replacement as a last resort.

Main Methods:

  • Review of existing surgical techniques for CAVV repair, including annuloplasty, commissuroplasty, cleft closure, edge-to-edge repair, and bivalvation.
  • Discussion of the complexities in pediatric patients with single ventricle physiology.
  • Analysis of outcomes associated with prosthetic valve replacement.

Main Results:

  • Common atrioventricular valve regurgitation significantly elevates mortality and morbidity in single ventricle palliation.
  • Surgical repair techniques for CAVV are varied but challenging, especially in complex pediatric cases.
  • Prosthetic valve replacement, while an option for intractable regurgitation, carries substantial risks including mortality and re-intervention.

Conclusions:

  • Effective management of common atrioventricular valve regurgitation is crucial for improving outcomes in single ventricle palliation.
  • Pediatric cardiac surgeons face significant challenges in performing and re-performing CAVV repairs.
  • Prosthetic valve replacement should be considered a high-risk option for severe CAVV regurgitation in this patient population.