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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
MitraClip: a review of its current status and future perspectives
Akihisa Kataoka1, Yusuke Watanabe2,
1Division of Cardiology, Department of Internal Medicine, Teikyo University, 2-11-1 Kaga, Itabashi-Ku, Tokyo, 173-8605, Japan. kataoaki@sd5.so-net.ne.jp.
Abstract:
Mitral regurgitation (MR), among the most common valvular heart diseases, is closely associated with heart failure and worse clinical outcomes. Surgical repair or replacement as an intervention for MR is deemed too high risk in patients who are elderly or have multiple comorbidities; thus, nearly half of all patients with severe symptomatic MR are not referred for surgical therapy. MitraClip, a transcatheter mitral valve repair system for MR that mimics the Alfieri surgical edge-to-edge technique for mitral valve repair, was developed in the late 1990s. After clinical trials demonstrated its safety and efficacy, it received approval for clinical use, particularly for aging and inoperable or high-risk patients for heart surgery in Europe, the US, and Japan. Since the start of its clinical use, randomized clinical trials (RCTs) have optimized patient selection, and the latest generation MitraClip can increase procedural success, even in patients with challenging mitral valve anatomy. Therefore, here, we review evidence from clinical trials and RCTs and discuss optical patient selection and future perspectives for the MitraClip.
Insights
MitraClip offers a safe and effective transcatheter repair for severe mitral regurgitation (MR) in high-risk patients. Evidence from clinical trials supports its use, optimizing outcomes for those unsuitable for surgery.
Area of Science:
- Cardiology
- Interventional Cardiology
- Medical Devices
Background:
- Mitral regurgitation (MR) is a common valvular heart disease linked to heart failure and poor outcomes.
- Surgical intervention for MR poses high risks for elderly or comorbid patients, leaving many untreated.
- Transcatheter mitral valve repair offers an alternative for high-risk MR patients.
Purpose of the Study:
- To review the evidence from clinical trials and randomized clinical trials (RCTs) on the MitraClip system.
- To discuss optimal patient selection criteria for MitraClip therapy.
- To explore future perspectives for transcatheter mitral valve repair using MitraClip.
Main Methods:
- Review of evidence from clinical trials and RCTs.
- Analysis of patient selection strategies.
- Discussion of procedural success and challenging anatomies.
Main Results:
- MitraClip, a transcatheter mitral valve repair system, has demonstrated safety and efficacy.
- Randomized clinical trials have refined patient selection for improved outcomes.
- The latest MitraClip generation enhances procedural success, even in complex cases.
Conclusions:
- MitraClip is a valuable therapeutic option for severe MR in patients ineligible for surgery.
- Ongoing research and technological advancements continue to improve MitraClip's applicability and success rates.
- Optimized patient selection is crucial for maximizing the benefits of transcatheter mitral valve repair.
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