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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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Mitral Valve Prolapse III: Nursing Management01:19

Mitral Valve Prolapse III: Nursing Management

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The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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In order to be passed through generations, genomic DNA must be undamaged and error-free. However, every day, DNA in a cell undergoes several thousand to a million damaging events by natural causes and external factors. Ionizing radiation such as UV rays, free radicals produced during cellular respiration, and hydrolytic damage from metabolic reactions can alter the structure of DNA. Damages caused include single-base alteration, base dimerization, chain breaks, and cross-linkage.
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Anatomy of the Brain: Ventricles01:18

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There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.
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Related Experiment Video

Updated: Jan 21, 2026

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Changes in Right Ventricle Function After Mitral Valve Repair Surgery.

Sam R Orde1, Sheng-Ying Chung2, Juan N Pulido3

  • 1Department of Cardiovascular Diseases, Rochester, MN, USA; Nepean Hospital, Sydney, NSW, Australia.

Heart, Lung & Circulation
|July 30, 2019
PubMed
Summary
This summary is machine-generated.

Minimally invasive robotic-assisted mitral valve repair (MIMVr) shows less right ventricular (RV) dysfunction after surgery compared to standard repair. RV function recovers better at one year with MIMVr, though not fully to pre-surgery levels.

Keywords:
EchocardiographyMitral valve repairRight ventricleSpeckle trackingStrain

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Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Echocardiography

Background:

  • Right ventricular (RV) dysfunction is a known complication following cardiac surgery, potentially persisting long-term.
  • Assessing perioperative RV systolic function is crucial, especially in patients undergoing mitral valve (MV) repair.
  • Minimally invasive robotic-assisted mitral valve repair (MIMVr) is compared against standard open mitral valve repair (MVr).

Purpose of the Study:

  • To evaluate and compare perioperative right ventricular (RV) systolic function in patients undergoing minimally invasive robotic-assisted mitral valve repair (MIMVr) versus standard open mitral valve repair (MVr).
  • To assess the impact of different mitral valve repair techniques on RV function using speckle tracking echocardiography.

Main Methods:

  • Retrospective analysis of 158 patients undergoing MV repair over three years.
  • Utilized transthoracic echocardiograms (preoperative, pre-discharge, and 1-year follow-up) to measure RV free wall strain (RVS).
  • Speckle tracking echocardiography was employed as a sensitive method for assessing RV systolic function.

Main Results:

  • RV free wall strain (RVS) significantly declined after both MV repair procedures.
  • MIMVr demonstrated smaller reductions in RVS compared to MVr, indicating less RV systolic dysfunction.
  • Enhanced RV functional recovery was observed at 1-year follow-up in the MIMVr group compared to the MVr group, even after adjusting for baseline values and other clinical factors.

Conclusions:

  • Right ventricular systolic dysfunction is a common occurrence after mitral valve repair surgery.
  • Minimally invasive robotic-assisted mitral valve repair (MIMVr) is associated with less pronounced RV contraction deterioration and better functional recovery at one year compared to standard MVr.
  • While RV function may not fully return to preoperative levels, the findings suggest potential clinical functional benefits with MIMVr, warranting further investigation.