Tetralogy of Fallot is generally difficult to survive to the age of 50 without surgery, with about 90% of patients dying before the age of 30. Surgical treatment is now available, which can significantly extend life expectancy, and without surgical treatment, the survival rate varies depending on the severity of the blockage of the right ventricle of the heart in the patient.
The survival rate for Tetralogy of Fallot is about 25-30% without treatment. Patients tend to die within 1 year of age from brain abscesses or lung infections, 70% within 10 years of age, and 90% within 30 years of age, with fewer than 10% surviving past the age of 30. A small number of patients live past the age of 40, but it is generally difficult to live to 50.
Tetralogy of Fallot is a serious congenital heart disease, usually choose to perform radical surgery when the patient is a child, and some patients even live as long as normal people after surgery, so it should be detected, diagnosed and treated early.