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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
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.
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

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...
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...

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Related Experiment Video

Updated: May 10, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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Double valve replacement with ring enlargement: A case report.

W Ragmoun1, H Massoudi1, M Lajmi1

  • 1Department of Cardiothoracic Surgery, The Principal Military Hospital of Instruction of Tunis, Tunisia.

International Journal of Surgery Case Reports
|May 10, 2025
PubMed
Summary
This summary is machine-generated.

Aortic root enlargement during double valve replacement surgery is a safe and effective procedure for patients with small aortic annuli. This technique helps prevent patient-prosthesis mismatch and ensures optimal prosthetic valve function.

Keywords:
Aortic root enlargementCase reportDouble valve replacementMultivalvular diseaseNarrow ringsPatient prothesis mismatch

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Area of Science:

  • Cardiovascular Surgery
  • Cardiac Valve Disease
  • Rheumatic Heart Disease

Background:

  • Rheumatic multivalvular disease often leads to annular narrowing, particularly affecting the aortic and mitral valves.
  • Managing a small aortic root during aortic valve replacement (AVR) is a long-standing surgical challenge.

Observation:

  • A 60-year-old woman with rheumatic mitral valve disease presented with severe dyspnea due to mitral and aortic valve disease with annular narrowing.
  • Echocardiography revealed significant mitral and aortic regurgitation, a small aortic annulus, and severe tricuspid regurgitation.
  • The patient underwent double valve replacement with aortic annulus enlargement using the Manouguian technique.

Findings:

  • Aortic annulus enlargement facilitated the implantation of appropriately sized mechanical prostheses in both the aortic and mitral positions.
  • The procedure was successfully performed under cardiopulmonary bypass.
  • The patient experienced an uneventful recovery and was discharged on postoperative day four.

Implications:

  • Aortic root enlargement is a safe and feasible option for patients with small aortic annuli undergoing double valve replacement.
  • This technique is crucial for avoiding patient-prosthesis mismatch and optimizing hemodynamic outcomes.
  • Further research into double valve replacement combined with aortic root enlargement is warranted.