https://www.selleckchem.com/pr....oducts/ly2157299.htm
Tracheoesophageal fistulas (TEF) are an anomalous communication between airway and esophagus. There are several types of TEF. Congenital are mainly associated to an esophageal atresia. The type III or C, in which the upper segment of the esophagus ends in a blind pouch and there is distal tracheoesophageal fistula above the carina, accounts for 85% of esophageal atresias. The other are extremely infrequent. H-type or N-type TEF, classified as type 5 or E, is an uncommon variant and accounts for less than 4%. Recurrent TEF is a serious