Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Atrial septal defect ostium secundum epidemiology and demographics
Introduction
Overview
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
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.
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] Kristin Feeney, B.S. [4]