A simple formula for measuring the aortic valve area in pre-procedural echocardiography for transcatheter aortic valve implantation: An innovation

Mohamadi, Asghar (2021) A simple formula for measuring the aortic valve area in pre-procedural echocardiography for transcatheter aortic valve implantation: An innovation. Indian Heart Journal.

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Abstract

Aortic Stenosis (AS) is one of the most common valvular diseases in developed countries, affecting nearly 7% of people over 65 years.1 Severe AS has been associated with a poor prognosis and high mortality rate if left untreated.2 Considering the fact that medical therapy is not beneficial in these patients, aortic valve replacement seems to be the only effective treatment in recent practice.3 It is noteworthy to contemplate that patients with aortic stenosis usually have significant comorbidities including left ventricular (LV) dysfunction, respiratory and kidney problems, in addition to advanced age. Therefore, surgical aortic valve replacement (AVR) is prohibited in many of them because of high peri-procedural mortality.4 In these conditions, transcatheter aortic valve replacement/ implantation

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