Atrial septal defect ostium secundum epidemiology and demographics

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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]

Overview

Ostium secundum atrial septal defects are the most common form of atrial septal defect. They constitute approximately 60%-75% of all the atrial septal defects and account for 6%-10% 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.