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Cavopulmonary anastomosis in staging toward Fontan operation: pathologic substrates
A Angelini1, C Frescura, G Stellin
1Department of Pathology, University of Padua, Italy.
Background:
A review of the history and practice of cavopulmonary connections in staging toward Fontan operation and the pathologic experience at Padua University is presented.
Methods:
Gross and histologic assessment of the heart-lung blocks removed at autopsy in the cases in which the cause of death could be related to a dysfunction of the cavopulmonary anastomosis were performed.
Results:
The main complications were distortion of the intraatrial tunnel and thrombosis of the pulmonary branches of the cavopulmonary anastomosis.
Conclusions:
The cavopulmonary anastomosis remains a widespread procedure, both as a preliminary step to a Fontan operation and as an integral part of a Fontan or modified Fontan procedure in all those cardiac malformations characterized by a hypoplastic right or left ventricle in which these ventricles are too small to support the whole circulation.