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.
Levo-transposition of the great arteries epidemiology and demographics
Introduction
Overview
Overview
Among patients with congenital heart disease, CCTGA has an incidence of 0.5%, with a slight male predominance.
Epidemiology and Demographics
Epidemiology and Demographics
- Among patients with congenital heart disease, CCTGA has an incidence of 0.5%, with a slight male predominance. 95% of CCTGA occurs in “situs solitus”.
- Transposition of the great arteries TGA is one of the most common cyanotic congenital heart defects present in the first 24 hours of life.
- TGA represents 5-7% of all CHD with an incidence at birth of 20-30 in 100000 live births and almost 20 percent of all cyanotic CHD defects
- TGA is more common in infants of diabetic mothers.
- Boys outnumber girls with an approximate ratio of 2:1.
- Without treatment, 30% of infants die within the first week of life, 50% will die in the first month, 70% will die in the first 6 months and 90% of infants will die before the end of the first year.
- Heart defects are the most common birth defect, occurring in approximately 1% of live births
- Approximately one million people worldwide are currently living with a CHD
- Having a child with a CHD increases an individual’s chances of having another child with a CHD from 1% to 3%. Subsequent children born with a CHD increase that individual’s chances further.
References
References
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Keri Shafer, M.D. [4]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [5]