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It is a congenital malformation, it occurs due to the defective separation of the respiratory and digestive tracts during embryogenesis. That is, between the esophagus and the trachea (which leads to the lungs)
• The classic clinical triad is: coughing, cyanosis and choking attacks during feeding, abdominal distension, and repeated respiratory infections.
• The diagnosis requires a high index of clinical suspicion, and its confirmation is made by imaging studies, such as contrast studies of the upper digestive tract and videofluoroscopy, or by tracheobronchoscopy, in which the fistula is directly visualized.
• Is diagnosed before birth, prenatal ultrasound
• After birth, with passage of a tube through the esophagus and x-rays
• The treatment of choice is surgical repair.
• Swallowed food and saliva travel through the fistula to the lungs, causing coughing, choking, shortness of breath, and possibly aspiration pneumonia.
• The most frequent postoperative complications are suture dehiscence, recurrent nerve damage, and pulmonary complications.
About 1 in 4,000 babies have one or both of these problems. They usually happen together. Sometimes, the baby is born only with one of then.
• Occurs frequently in association with congenital malformations and genetic syndromes.
• Advances in intensive care in neonatology and in surgery have made it possible to reduce mortality in children with this disease whose current survival is close to 90%