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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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

Mitral Valve Prolapse II: Assessment and Management

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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...
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Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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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...
31
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

46
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...
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Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

38
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...
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Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

26
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...
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Related Experiment Video

Updated: Sep 1, 2025

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Does valve morphological type impact TAVR outcomes?

Ahmed Alnajar1, Walid Ibrahim2, Cesar E Mendoza2

  • 1Department of Cardiothoracic Surgery, Jackson Memorial Hospital, University of Miami, Miami, Florida, USA.

Journal of Cardiac Surgery
|August 16, 2022
PubMed
Summary

Tailoring bicuspid aortic valve treatment requires understanding diverse valve shapes. Transcatheter aortic valve replacement shows promise but needs more study for widespread use.

Keywords:
bicuspid aortic valvepatient-prosthesis mismatchtranscatheter aortic valve replacement

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Valvular Heart Disease

Background:

  • Bicuspid aortic valve (BAV) is a common congenital heart defect.
  • BAV presents with diverse anatomical variations influencing disease progression and treatment.
  • Optimal management strategies for BAV require careful consideration of specific morphological subtypes.

Purpose of the Study:

  • To emphasize the importance of individualized treatment approaches for bicuspid aortic valve.
  • To evaluate the current outcomes of transcatheter aortic valve replacement (TAVR) in BAV patients.
  • To identify areas for improvement in precision care for BAV.

Main Methods:

  • Review of current literature on bicuspid aortic valve morphology and treatment.
  • Analysis of outcomes data from transcatheter aortic valve replacement studies involving BAV.
  • Comparative assessment of different BAV morphological types and their impact on TAVR results.

Main Results:

  • Treatment efficacy for bicuspid aortic valve varies significantly with specific morphological types.
  • Transcatheter aortic valve replacement demonstrates encouraging short-term outcomes in select BAV populations.
  • Long-term data and generalizability of TAVR outcomes across all BAV morphologies are still under investigation.

Conclusions:

  • Personalized treatment strategies are crucial for managing the spectrum of bicuspid aortic valve conditions.
  • Transcatheter aortic valve replacement is a viable option for certain BAV patients, but further research is needed.
  • Enhancing precision in BAV care necessitates comprehensive evaluation of TAVR in diverse morphological subtypes.