Subvalvular aortic stenosis (AS) is a rare congenital heart defect in which the left ventricle is narrowed below the level of the aortic valve resulting in obstruction to blood flow out of the heart. The condition is also known as subaortic stenosis.
Children who have subvalvular aortic stenosis may not have symptoms, but the condition can worsen with age. In more severe cases in babies, symptoms include:
- Rapid breathing
- Rapid heart rate
- Inability to eat
- Heart failure
In more severe cases in older children, symptoms include:
- Chest pain
Anyone who has ever been diagnosed with and/or treated for subvalvular aortic stenosis should have lifelong care from a cardiologist who specializes in congenital heart defects. The Ohio State University Medical Center provides this care from birth to adulthood. We partner with Nationwide Children’s Hospital to provide the resources necessary for the care of adult congenital cardiac patients through the Columbus Ohio Adult Congenital Heart Disease Program (COACH)
The COACH program focuses on:
- Adults with congenital heart disease (CHD)
- Pulmonary hypertension
- Cardiovascular connective tissue disorders
- Pregnancy in women with heart disease
- Transition of adolescents with CHD into adult congenital heart disease (ACHD) care
- Training of future ACHD providers
Why Choose The Ohio State University Wexner Medical Center?
Ohio State’s Wexner Medical Center offers a team approach to CHD, which means each patient is evaluated by an Adult Congenital Heart Disease (ACHD) specialist, and when appropriate, a cardiac surgeon, an imaging specialist and an interventional cardiologist with training in CHD. This integrated approach means that each patient’s disease is treated individually, with that particular patient’s needs, and physical condition, in mind.
What Is Subvalvular Aortic Stenosis?
Normally, blood passes through the aortic valve en route to the aorta. In subvalvular aortic stenosis, a narrowed area below the aortic valve limits blood flow, increasing the workload for the left ventricle. This can cause the left ventricle to enlarge and fail. If your condition causes moderate to severe symptoms or related valve disease, you may need heart valve surgery to treat the condition.
What Causes Subvalvular Aortic Stenosis?
Subvalvular aortic stenosis is a congenital heart defect that occurs during fetal development. The precise cause is unknown, but genetics may play a role. Subaortic stenosis has also been associated with several congenital syndromes.