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Updated: Jul 16, 2026
07:41
Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
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Left Ventricular Outflow Tract and Transcatheter Mitral Valve Replacement Obstruction and TMVR: Predictors,
1Division of Cardiology, University of Washington School of Medicine, Seattle, Washington, USA.
Structural Heart : the Journal of the Heart Team
|August 5, 2024
Summary
Transcatheter mitral valve replacement can cause left ventricular outflow tract obstruction. This review covers predictors, assessment strategies, and emerging treatments for this complication.
Area of Science:
- Cardiology
- Interventional Cardiology
- Structural Heart Disease
Background:
- Left ventricular outflow tract obstruction (LVOTO) is a potential complication following transcatheter mitral valve replacement (TMVR).
- Accurate prediction and management of LVOTO are crucial for successful TMVR outcomes.
- Advances in TMVR necessitate updated understanding of associated complications.
Purpose of the Study:
- To review current knowledge on LVOTO in the context of TMVR.
- To highlight predictors and assessment strategies for LVOTO.
- To discuss evolving management approaches for LVOTO.
Main Methods:
- Review of high-impact presentations from Transcatheter Valve Therapies 2023.
- Synthesis of expert insights on LVOTO predictors and assessment.
- Compilation of information on current and developing management strategies.
Main Results:
- Established predictors for LVOTO have been identified.
- A consensus strategy for preprocedure assessment of LVOTO risk exists.
- Multiple management strategies for LVOTO are under investigation and development.
Conclusions:
- Understanding LVOTO is critical for safe and effective TMVR.
- Preprocedure assessment and risk stratification are key to mitigating LVOTO.
- Ongoing research promises improved therapeutic options for TMVR-associated LVOTO.
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