CPT® Code 33400

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An open aortic valvuloplasty is a surgical procedure aimed at correcting a narrowed or stenosed aortic valve, which is a critical component of the heart's function. The aortic valve typically consists of three leaflets or cusps that open and close to regulate blood flow from the heart into the aorta. When this valve becomes narrowed, it can impede blood flow, leading to various cardiovascular complications. This procedure is performed using cardiopulmonary bypass, which temporarily takes over the function of the heart and lungs, allowing the surgeon to operate on a still and bloodless field. Alternatively, inflow occlusion may be employed, which involves temporarily blocking blood flow to the heart to facilitate the surgery. Access to the heart is achieved through a median sternotomy, where the sternum is opened, or through a thoracotomy, which involves an incision in the chest wall. The procedure involves cross-clamping and incising the aorta to access the valve, followed by dilation of the valve or division of any scar tissue present. After the procedure, the aorta is closed, and normal blood flow is restored, concluding the surgical intervention.