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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

21
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...
21
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

39
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...
39
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

42
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...
42
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

30
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...
30
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

55
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...
55
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

37
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
37

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Related Experiment Video

Updated: Sep 10, 2025

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Repair Versus Replacement in Mitral Valve Papillary Muscle Rupture: A Multicenter Study.

Giulio Massimi1,2, Matteo Matteucci1,3, Michele De Bonis4

  • 1Department of Cardiothoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre, Maastricht, 6221, The Netherlands.

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|August 22, 2025
PubMed
Summary
This summary is machine-generated.

Surgery for papillary muscle rupture after myocardial infarction showed no significant difference in mortality between mitral valve repair and replacement. However, concomitant coronary artery bypass grafting improved in-hospital survival.

Keywords:
mitral valvemitral valve repairmitral valve replacementmyocardial infarctionpapillary muscle rupture

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Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Cardiac Surgery Outcomes

Background:

  • Papillary muscle rupture (PMR) is a rare, life-threatening complication following acute myocardial infarction (AMI).
  • Surgical intervention is the standard treatment, but optimal strategies remain debated.
  • This study analyzes outcomes from the CAUTION study database.

Purpose of the Study:

  • To compare the effectiveness of mitral valve repair (MVr) versus mitral valve replacement (MVR) for post-AMI PMR.
  • To identify factors influencing in-hospital and long-term mortality.
  • To evaluate the impact of concomitant coronary artery bypass grafting (CABG).

Main Methods:

  • Retrospective analysis of 218 patients undergoing MVR or MVr for post-AMI PMR (2001-2019) from 20 international centers.
  • Comparison of in-hospital and long-term post-discharge mortality rates.
  • Multivariable logistic regression to identify independent predictors of mortality.

Main Results:

  • MVR was performed in 81.6% of cases, often for complete PMR, while MVr was more frequent in partial PMR.
  • In-hospital mortality was 25.8% for MVR and 20% for MVr (p=0.440).
  • Long-term survival showed no significant difference between MVR and MVr groups (p=0.474).
  • Concomitant CABG was associated with lower in-hospital mortality in the MVR group (21% vs 31.7%, p=0.035).
  • MVr with CABG demonstrated significantly higher long-term survival (p<0.001).

Conclusions:

  • MVR is preferred for complete PMR, and MVr for partial PMR.
  • No significant differences in in-hospital or long-term mortality were observed between MVR and MVr.
  • Concomitant CABG is associated with improved in-hospital survival, particularly in the MVr group.