Key result
Transcatheter mitral valve replacement is a promising intervention for severe mitral regurgitation but remains in early developmental stages with significant risks of complications like LVOT obstruction.
Why the study?
Many patients with mitral regurgitation are denied surgery due to elevated risk, but transcatheter mitral valve replacement remains in early development and carries non-negligible periprocedural and post-procedural complications.
TMVR is a promising but early-stage therapy for high-risk mitral regurgitation patients, associated with significant periprocedural and post-procedural complications that require mitigation.
Answers are grounded in this paper and cite their sources.
Many mitral regurgitation patients denied surgery due to risk; leaves open transcatheter options pending randomized data.
Mitral regurgitation is the most common valvular lesion in the developed world, with increasing prevalence, morbidity, and mortality. The experience with surgical mitral valve repair or replacement is very well-validated. However, more than 45% of these patients get denied surgery due to an elevated risk profile and advanced disease of the left ventricle at the time of presentation, promoting the need for less invasive transcatheter options such as transcatheter repair and transcatheter mitral valve replacement (TMVR). Early available TMVR studies have shown promising results, and several dedicated devices are under clinical evaluation. However, TMVR is still in the early developmental stages and is associated with a non-negligible risk of periprocedural and post-procedural complications. In this review, we discuss the current challenges facing TMVR and the potential TMVR-related complications, offering an overview on the measures implemented to mitigate these complications, and future implications.
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Kargoli et al. (2021) conducted a review in Mitral regurgitation. Transcatheter mitral valve replacement (TMVR) was evaluated. Transcatheter mitral valve replacement is a promising intervention for severe mitral regurgitation but remains in early developmental stages with significant risks of complications like LVOT obstruction.
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