Various surgical procedures are used for esophageal substitution in children. With the gastric tube (GT) esophagoplasty procedures,main complications in the long term are related to gastric content reflux and acid production from the GT itself. A case of children operated on with a new procedure of isoperistaltic isolated GT interposition with favorable short-and long-term functional results is presented. Various surgical procedures are used for esophageal substitution in children. With the gastric tube (GT) esophagoplasty procedures, main complications in the long term are related to gastric content reflux and acid production from the GT itself. A case of children operated on with a new procedure of isoperistaltic isolated GT interposition with favorable short-and long-term functional results is presented.