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In: Cohn LH, Edmunds LH Jr, eds. Cardiac Surgery in the Adult. New York: McGraw-Hill, 2003:.

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FIGURE 56-15 A lateral tunnel Fontan operation enlarges the right atrium and directs inferior caval flow into the right pulmonary artery using an end-to-side anastomosis to provide bidirectional flow into both pulmonary arteries. A snared purse-string suture adjusts the size of an atrial septal opening that is used to decompress caval pressures and to control the amount of right-to-left shunting.

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