Aortic stenosis epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Claudia P. Hochberg, M.D. [2], Abdul-Rahman Arabi, M.D. [3], Keri Shafer, M.D. [4], Mohammed A. Sbeih, M.D. [5]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [6]

Overview

Aortic stenosis is a major health problem primarily affecting older adults. As North American and European populations continue to live longer, aortic stenosis has major implications on the overall personal health and economic burden. The abnormalities of aortic valve morphology and function represent the most common cardiac-valve lesion particularly in elderly. The etiology of aortic stenosis is degenerative-calcific in the majority of patients.

Prevalence

Aortic stenosis is a common problem found predominantly in middle age to older adults. Less than 1% of all live births exhibit symptoms of severe aortic stenosis. Prevalence increases with age. Approximately 2% of people over the age of 65, 3% of people over age 75, and 4% of people over age 85 have the disorder. In North America and Europe, a linear relationship exists between an aging population and an increase in aortic stenosis.

As a disease, aortic stenosis has a high rate of morbidity and mortality resulting in a large personal and economic burden on affected populations. Without medical intervention, aortic stenosis can be a major health problem.

Incidence

The incidence of aortic stenosis is correlated to the age of the patient, primarily affecting older adults. Every year, approximately 29% of people older than 65 years and 37% of people older than 75 years become symptomatic of aortic stenosis.

Sources

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1550260/

References

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