Hypoplastic Left Heart Syndrome HLHS Surgeries

Hypoplastic Left Heart Syndrome (HLHS) Surgeries

Hypoplastic left heart syndrome (HLHS) is when sections of the left side of the heart - aorta, aortic valve, left ventricle, mitral valve - do not fully develop. It is present at birth.

Surgeries for HLHS and similar heart abnormalities typically are three-staged procedures done over a period of time. These are Stage I (Norwood Procedure), Stage II (Bidirectional Glenn Procedure) and Stage III (Fontan Procedure).

When the three stages are finished, one ventricle will pump blood to the body. Blood returning to the body will go straight to the lungs and not go through the heart.

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