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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 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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Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

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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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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...
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Heart Valves01:16

Heart Valves

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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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Related Experiment Video

Updated: Mar 16, 2026

Fully Endoscopic Mitral Valve Repair with Percutaneous Cannulation of Groin Vessels
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Premeasured Chordal Loops for Mitral Valve Repair.

Marc Gillinov1, Reed Quinn2, Faraz Kerendi3

  • 1Cleveland Clinic, Cleveland, Ohio.

The Annals of Thoracic Surgery
|August 24, 2016
PubMed
Summary

Premeasured expanded polytetrafluoroethylene chordal loops simplify mitral valve prolapse repair. These integrated devices attach to the papillary muscle and leaflet edges, improving surgical outcomes.

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Area of Science:

  • Cardiovascular Surgery
  • Biomaterials Science
  • Medical Devices

Background:

  • Mitral valve prolapse (MVP) is a common cardiac condition requiring surgical correction.
  • Traditional chordal repair methods can be complex and time-consuming.

Purpose of the Study:

  • To introduce and describe a novel premeasured expanded polytetrafluoroethylene (ePTFE) chordal loop system for mitral valve repair.
  • To highlight the integrated suture design for simplified attachment to cardiac structures.

Main Methods:

  • The study describes a system of premeasured ePTFE chordal loops, available in lengths from 12 to 24 mm.
  • Each loop features integrated sutures for secure fixation to the papillary muscle via a pledget and to the mitral valve leaflet free edge.

Main Results:

  • The described chordal loops offer a streamlined approach to mitral valve repair.
  • The integrated design facilitates precise and secure attachment to both the papillary muscle and leaflet.

Conclusions:

  • Premeasured ePTFE chordal loops with integrated sutures represent an advancement in mitral valve prolapse correction.
  • This system simplifies the surgical procedure, potentially improving efficiency and patient outcomes.