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Related Concept Videos

Heart Valves01:16

Heart Valves

13.4K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
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Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

1.2K
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...
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Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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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...
426
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

402
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...
402
Mitral Stenosis IV: Nursing Management01:27

Mitral Stenosis IV: Nursing Management

359
A comprehensive nursing assessment is essential for patients with valvular heart disease, which involves any dysfunction of the heart valves that could impact blood flow and overall heart function.Subjective Data Collection:Chief Complaint and Present Illness: Start with the patient's primary concerns, focusing on the onset, duration, and progression of cardiac symptoms such as dyspnea, fatigue, chest pain, and palpitations.Past Medical History: Collect detailed information on any previous...
359
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

874
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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Updated: Mar 22, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots

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What's up on stented valves.

Giuseppe Santarpino1, Jurij M Kalisnik, Theodor Fischlein

  • 1Department of Cardiac Surgery, Klinikum Nürnberg, Paracelsus Medical University, Nuremberg, Germany - giuseppe.santarpino@klinikum-nuernberg.de.

Minerva Cardioangiologica
|April 21, 2016
PubMed
Summary
This summary is machine-generated.

Aortic valve bioprostheses offer improved quality of life and hemodynamic performance, potentially avoiding anticoagulation. This review compares four leading stented bioprosthetic valve models.

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Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science

Background:

  • Aortic valve bioprostheses are increasingly used, including in younger patients.
  • Biological valves offer advantages like avoiding anticoagulation and improving quality of life.

Purpose of the Study:

  • To review and compare four major stented aortic bioprosthesis models.
  • To contrast manufacturer data with existing literature.

Main Methods:

  • Literature review of available data on four specific bioprosthetic valve models.
  • Comparison of manufacturer specifications and published clinical outcomes.

Main Results:

  • Detailed features of LivaNova Crown PRT, St. Jude Medical Trifecta, Carpentier-Edwards Perimount Magna Ease, and Medtronic Mosaic Ultra are described.
  • Discrepancies between manufacturer claims and literature data may exist.

Conclusions:

  • Understanding the distinct features and performance data of different stented aortic bioprostheses is crucial for clinical decision-making.
  • Further comparative studies are needed to validate manufacturer claims and guide optimal patient selection.