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Tricuspid Atresia 18 Years Post Glenn: Is Fontan Necessary in All Cases?

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Tricuspid atresia is a rare cyanotic congenital heart disease, first described by Kreysig (1817), with an incidence of 1% to 5%. It is incompatible with longevity without surgical intervention. Glenn (1958) was successful in using a superior vena cava to right pulmonary anastomosis. Fontan (1958) was successful in separating the right and left cardiac circulation; this is the surgical method of choice, with death of 17% by 20 years of age. The Fontan circulation has burdens of multisystem abnormalities, including ventricular dysfunction (72%), dysrhythmias (40%) and renal, hepatic, gastrointestinal and pulmonary complications. The index case is the oldest documented report of tricuspid atresia with rudimentary right ventricle and concordant ventriculo-arterial connections, 18 years post Glen only, from two years of age. She is asymptomatic, of high intellect, never used medications and is now functioning at New York Heart Association (NYHA) I–II at 20 years of age. Her survival and function was secondary to an innate large atrial and ventricular communication with normal left ventricle, mitral, aortic and pulmonary valves, indicating Fontan may not be needed in all structural anatomic cases of tricuspid atresia.

31 Oct, 2014
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e-Published: 05 May, 2015
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