Fontan conversion: identifying the high-risk patient (original) (raw)

The Annals of thoracic surgery, 2014

Abstract

Patients with atriopulmonary Fontan tend to undergo conversion to total cavopulmonary connections secondary to arrhythmias or poor flow dynamics. However, the ideal candidate is unknown. Between December 1994 and May 2011, 70 patients (40 males [57%]) underwent Fontan conversion. Median age was 23 years (range, 4 to 46 years). Excluded were 1.5 ventricle conversions. The most common diagnoses included tricuspid atresia in 34 patients (49%) and double-inlet left ventricle in 16 (23%). Atrial tachyarrhythmia was present in 62 patients (89%), 41 (59%) had atrioventricular valve (AVV) regurgitation, and 32 (46%) were in New York Heart Association class III or IV. Atriopulmonary Fontan was the original connection in 58 patients (83%), whereas the Björk modification was performed in 8 (11%). Fontan was performed with an intraatrial conduit in 41 patients, an extracardiac conduit in 18, and a lateral tunnel in 11. Forty-nine patients (70%) underwent concomitant arrhythmia operations. Early...

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