Key result
Echocardiography and new imaging modalities play a potential role in guiding the timing of surgery and early risk stratification for asymptomatic severe aortic stenosis.
Why the study?
The optimal timing of intervention for asymptomatic severe AS is uncertain and controversial.
Advanced imaging techniques, including echocardiography, are essential for risk stratification and determining the optimal timing of surgery in asymptomatic severe aortic stenosis.
Answers are grounded in this paper and cite their sources.
May aid risk stratification in asymptomatic severe AS; leaves open need for prospective outcome trials.
Aortic stenosis (AS) is one of the most common valvular diseases in clinical practice. The prevalence of calcified AS with moderate or severe stenosis exceeds 2% after 75 years. The optimal timing of intervention for asymptomatic severe AS is uncertain and controversial. Identification of high-risk patients is based on echocardiographic parameters (left ventricular dysfunction, AS severity and progression), hemodynamic response to exercise, pulmonary hypertension, and elevated brain natriuretic peptides. However, early surgical aortic valve replacement (AVR), when compared to the watchful waiting approach, was associated with survival advantage. Moreover, new insights into pathophysiology of AS and advances in imaging modalities were helpful in the management of asymptomatic AS. In this report, we detail the potential role of echocardiography to guide timing of surgery and we discussed the use of early risk features based on recent imaging modalities.
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Kammoun et al. (2021) conducted a review in Asymptomatic severe aortic stenosis. Echocardiography and new imaging modalities was evaluated. Echocardiography and new imaging modalities play a potential role in guiding the timing of surgery and early risk stratification for asymptomatic severe aortic stenosis.
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