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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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

Mitral Regurgitation III: Medical Management

54
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...
54
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

47
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...
47

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Related Experiment Video

Updated: Oct 19, 2025

Upper-extremity Approach for Secondary Access in Transfemoral Transcatheter Aortic Valve Implantation
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Randomized Trials Are Needed for Transcatheter Mitral Valve Replacement.

Jason H Rogers1, Paul Sorajja2, Vinod H Thourani3

  • 1University of California-Davis, Medical Center, Davis, California, USA.

JACC. Cardiovascular Interventions
|September 24, 2021
PubMed
Summary

Transcatheter mitral valve replacement (TMVR) offers complete elimination of mitral regurgitation (MR). Randomized controlled trials (RCTs) are crucial for evaluating TMVR safety and effectiveness against transcatheter edge-to-edge repair (TEER).

Keywords:
mitral regurgitationrandomized trialtranscatheter edge-to-edge repairtranscatheter mitral valve replacement

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Symptomatic mitral regurgitation (MR) and stenosis require effective treatment.
  • Transcatheter mitral valve replacement (TMVR) offers complete MR elimination, unlike some transcatheter repair techniques.
  • TMVR's benefits must be weighed against risks like invasiveness and valve durability.

Purpose of the Study:

  • To provide recommendations for designing pivotal randomized controlled trials (RCTs) for first-in-class TMVR devices.
  • To guide the rigorous evaluation of TMVR's safety and effectiveness.
  • To inform policy decisions regarding TMVR implementation.

Main Methods:

  • Focus on the design considerations for pivotal randomized controlled trials (RCTs).
  • Comparison of TMVR against current standards of care, such as transcatheter edge-to-edge repair (TEER).
  • Evaluation of safety, effectiveness, procedural requirements, and resource utilization.

Main Results:

  • RCTs are essential for assessing the benefits and risks of TMVR.
  • RCTs will inform operator/institutional requirements, resource utilization, and reimbursement policies.
  • The paper outlines key considerations for designing these critical trials.

Conclusions:

  • Pivotal RCTs are necessary to validate the role of TMVR in treating MR.
  • Careful trial design is paramount for accurately assessing TMVR's clinical and economic impact.
  • Evidence from RCTs will guide the adoption of TMVR technology.