Degenerative aortic stenosis (AS) is the most common form of valve disease in the Western world, especially in the population over 75 years of age, 1-3 with a progressive increase in prevalence with advancing age. 3,4 It merits particular attention for its clinical importance and its growing socio-economic impact.The natural history of the disease consists of a prolonged latent period of low morbidity and mortality. 2 However, when symptoms of angina, syncope, or cardiac insufficiency develop, the average survival drops, and there is a progressive increase in the risk of sudden death. 2 However, in clinical practice, at least 30% of patients with symptomatic AS aged 75 or older do not undergo surgery due to their advanced
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