Preoperative pulmonary valvuloplasty in tetralogy of fallot with right-to-left shunt

Abstract

Tetralogy of Fallot is the most common cyanotic congenital heart disease and characterized by right ventricular outflow tract obstruction, ventricular septal defect, overriding aorta, and right ventricular hypertrophy. Right ventricular outflow tract obstruction and ventricular septal defect are the major clinical components of the syndrome. Although most have undergone a corrective operation, an important minority of patients with tetralogy of Fallot have had a preoperative palliative procedure. Herein we reported a succesful palliative percutaneous balloon valvuloplasty of pulmonary stenosis at an 19-year-old female patient with tetralogy of Fallot who was considered as inoperable for corrective surgery due to right -to-left shunt.

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