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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

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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

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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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Lattice Centering and Coordination Number02:33

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The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
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Center of Gravity00:58

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The center of gravity (COG) of an object is the point where the object's total weight is considered to be concentrated. Knowing the location of the center of gravity is useful when predicting the behavior of a moving object or designing static structures. In a uniform gravitational field, the center of gravity is similar to the center of mass (COM); yet, these two points can be positioned differently. For example, the Moon's center of mass lies very close to its geometric center, but...
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The center of gravity is the point at which an object's weight appears to be concentrated and can be used to balance the object perfectly. This point is essential in mechanics as it provides information regarding a body's stability and moments of inertia. The center of gravity does not always have to fall within the shape or boundaries of the body; it may also lie outside the body in certain cases.
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Updated: Jan 28, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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Outcomes of Minimally Invasive Mitral Valve Surgery Using a Multidisciplinary Team Approach: A Single-Center

Nicolas Mourad1, Durr Al-Hakim1, Rosalind Groenewoud2

  • 1Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.

Journal of Personalized Medicine
|January 27, 2026
PubMed
Summary
This summary is machine-generated.

Multidisciplinary heart teams (MDHT) improve minimally invasive mitral valve surgery outcomes. Key initiatives like regional anesthesia and specialized devices reduced hospital length of stay and operative times, enhancing patient recovery.

Keywords:
COR-KNOT® DEVICEclinical outcomesenhanced recovery after surgerymultidisciplinary heart teamparavertebral catheterpercutaneous cannulation

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Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Cardiac Surgery
  • Heart Valve Repair and Replacement

Background:

  • Multidisciplinary heart teams (MDHT) are established for selecting patients for minimally invasive mitral valve surgery (MIS MVR/MVr).
  • This study details MDHT member contributions during intra-operative and peri-operative periods.
  • Impacts on short-term outcomes were analyzed.

Purpose of the Study:

  • To outline MDHT contributions in MIS MVR/MVr.
  • To describe the impact of these contributions on short-term patient outcomes.
  • To evaluate specific procedural and anesthetic innovations within the MDHT model.

Main Methods:

  • Single-center retrospective review of 278 adult patients undergoing MIS MVR/MVr (2006-2023).
  • Outcomes assessed: mortality, complications, operative time, repair success, length of stay (LOS), ejection fraction.
  • All patients managed within an MDHT framework; no control group.

Main Results:

  • Paravertebral catheter (PVC) regional anesthesia correlated with significantly shorter hospital LOS (6.52 vs. 7.81 days, p=0.028).
  • COR-KNOT® DEVICE use significantly reduced operative time (288 vs. 326 min, p<0.001).
  • Percutaneous cannulation by interventional cardiology reduced lymphocele rates from 6.2% to 0% post-2019.

Conclusions:

  • MDHT initiatives effectively reduced post-operative length of stay.
  • Specific interventions led to significant reductions in operative times.
  • The MDHT model contributed to a lower incidence of post-operative complications in MIS mitral valve surgery.