Atrial septal defect ostium secundum epidemiology and demographics

Atrial Septal Defect Microchapters
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Ostium Secundum Atrial Septal Defect
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Priyamvada Singh, M.B.B.S. [[2]]; Cafer Zorkun, M.D., Ph.D. [3]; Assistant Editor-In-Chief: Kristin Feeney, B.S. [[4]]

For a full discussion on atrial septal defects click here.

Overview

Ostium secundum atrial septal defects are the most common form of atrial septal defect. They constitue approximately 75% of all the atrial septal defects and account for 7% of all congenital heart defects

Epidemiology and Demographics

Age

• It forms 30-40% of all congenital heart disease in patients aged 40 or older.

Gender

A female preponderance, with a female-to-male ratio of 2:1 has been found in the studies