Beschreibung:
Aortic stenosis (AS) remains the most common valvular disease in the elderly with an increasing prevalence, owing to the predominance of degenerative etiologies; hence, represents a major public health burden. The majority of patients with severe AS exhibit normal flow across the aortic valve and high transvalvular mean gradient (ΔPm), those patients are identified as (NFHGs-AS). Approximately 30% of patients with AS show discordant echocardiographic parameters with aortic valve area (AVA) ...