Transcatheter Mitral Valve Repair with Mitraclip®

Q: What is the clinical evidence from this study?

Study design: Observational. Population: Symptomatic severe mitral valve regurgitation (n=25). Intervention: Transcatheter mitral valve repair (TMVr) using MitraClip. Primary outcome: Procedural success rate (MR grade ≤2+ without associated complications).

Shabib Al-Asmi; Rasha Kaddoura; Mohammed Salah Abdelghani; Ashraf Ahmed; Cheik Abdoul Maaly; Hakam Alzaeem; Nazar Mohammed; Mohanad Shehadeh; Fahad Abdullah Al-Kindi; Awad Al-Qahtani; Mohammed Al-Hijji

doi:10.4103/heartviews.heartviews_90_23

October 1, 2023Heart ViewsOpen Access

Transcatheter Mitral Valve Repair with Mitraclip®

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Key result

Transcatheter mitral valve repair using the MitraClip device achieved a 92% procedural success rate with significant and sustained improvement in heart failure symptoms and MR grade over 1-year follow-up.

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Why the study?

The therapeutic results of transcatheter mitral valve repair using MitraClip in Qatar remained to be elucidated.

Key Points

To evaluate the safety, procedural success, and sustained clinical efficacy of transcatheter mitral valve repair using the MitraClip device in patients with prohibitive surgical risk.
Enrolled 25 patients (mean age 60 ± 14.5 years, 64% males) presenting with symptomatic severe mitral regurgitation and prohibitive surgical risk in Qatar.
Performed transcatheter mitral valve repair with the MitraClip system and evaluated procedural outcomes, safety, and echocardiographic status through 1-year follow-up.
Achieved a 92% procedural success rate in reducing mitral regurgitation to mild residual severity.
Recorded zero periprocedural deaths during the intervention.
Demonstrated significant improvements in heart failure symptoms and mitral regurgitation grade across all patients, with clinical gains sustained at 1 year.

Study Design

Type

Observational (n=25)

Multicenter

No

Structured PICO

P

Population

25 patients (mean age 60 years, 36% female) with symptomatic severe mitral valve regurgitation and prohibitive surgical risks who underwent transcatheter mitral valve repair and were followed for up to 1 year.

I

Intervention

Transcatheter mitral valve repair (TMVr) using the MitraClip device

O

Outcome

Procedural success (defined as MR grade ≤2+ without associated complications)composite

Transcatheter mitral valve repair using the MitraClip device is safe and effective for reducing severe mitral regurgitation and improving functional status in a high-risk Qatari population.

Limitations

Retrospective nature of the design, which creates bias and confounding
Small sample size
Long-term follow-up restricted to 1 year
Constrained by the learning curve of the individual operators
Single-center study with limited generalizability
Retrospective nature of the design
Single-center study
Learning curve of individual operators

Implication

Supports TMVr feasibility in high-risk Qatari patients; extends global data but leaves open need for larger prospective studies.

Abstract

Background: Transcatheter mitral valve repair (TMVr), using MitraClip ® , is a safe and effective procedure for severe mitral valve regurgitation (MR). However, the therapeutic results of MitraClip ® in Qatar remain to be elucidated. A total of 25 patients (mean age 60 ± 14.5 years, 64% males) with symptomatic severe MR and prohibitive surgical risks were enrolled in this study. The procedural success rate was 92% to achieve mild residual MR. There was no periprocedural death. All patients experienced significant improvement in heart failure symptoms and MR grade postprocedure with sustained improvement over 1-year follow-up. Conclusion: The TMVr procedure using the MitraClip ® device was safe and resulted in meaningful and sustained functional status and echocardiographic parameter improvement.

Discussion

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Cite This Study

Al-Asmi et al. (2023) conducted an observational in Symptomatic severe mitral valve regurgitation (n=25). Transcatheter mitral valve repair (TMVr) using MitraClip was evaluated on Procedural success rate (MR grade ≤2+ without associated complications). Transcatheter mitral valve repair using the MitraClip device achieved a 92% procedural success rate with significant and sustained improvement in heart failure symptoms and MR grade over 1-year follow-up.

synapsesocial.com/papers/6a74823754045e727a090b33 https://doi.org/10.4103/heartviews.heartviews_90_23

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Transcatheter Mitral Valve Repair with Mitraclip®

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

Transcatheter Mitral Valve Repair with Mitraclip®

Figures

Key Points

Study Design

Structured PICO

Limitations

Implication

Abstract

Discussion

Cite This Study

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