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Transcatheter aortic valve replacement 

Transcatheter aortic valve replacement
Chapter:
Transcatheter aortic valve replacement
Author(s):

John G. Webb

and Fabian Nietlispach

DOI:
10.1093/med/9780199569083.003.039
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date: 22 February 2020

Aortic stenosis (AS) is the most common valvular heart disease for which patients undergo valve replacement. Although the condition may develop in mid-life in association with a congenitally bicuspid valve, AS is for the most part a disease of the elderly, as demonstrated by a recent community-based study in the United States which reported a prevalence in those older than 75 years of age of 4.6%. Medically treated severe symptomatic AS has been associated with predictable clinical deterioration and a poor survival, reportedly averaging 2–3 years after the onset of symptoms.

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