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Distal congenital esophageal stenosis associated with esophageal atresia
I R Neilson1, D P Croitoru, F M Guttman
1Montreal Children's Hospital, McGill University, Quebec, Canada.
Insights
Congenital distal esophageal stenosis in patients with esophageal atresia (EA) and tracheoesophageal fistula can be managed with dilatation or resection. Tracheobronchial rests necessitate specific treatment strategies for successful outcomes.
Area of Science:
- Pediatric Surgery
- Gastroenterology
- Congenital Anomalies
Background:
- Congenital distal esophageal stenosis is a rare condition often associated with esophageal atresia (EA) and distal tracheoesophageal fistula.
- Accurate diagnosis is crucial to differentiate from anastomotic strictures or reflux-related stenosis.
Observation:
- Six patients with EA and distal tracheoesophageal fistula presented with congenital distal esophageal stenosis.
- Three patients responded well to repeated dilatations; two required limited resections with excellent outcomes.
- One patient died post-Heller myotomy; tracheobronchial rests were found in three patients.
Findings:
- Congenital distal esophageal stenosis diagnosis requires high suspicion and review of esophagrams, esophagoscopy with biopsy, and pH monitoring.
- Management involves bouginage and balloon dilatation for suspected congenital stenosis.
- Resection is reserved for persistent stenoses, particularly those arising from tracheobronchial rests unresponsive to dilatation.
Implications:
- Early and accurate diagnosis of congenital distal esophageal stenosis is vital for appropriate management following EA repair.
- Dilatation is the primary treatment, with resection reserved for refractory cases, especially those involving tracheobronchial rests.
- Understanding the etiology guides therapeutic decisions, improving outcomes in complex pediatric esophageal conditions.
Abstract:
A series of six patients with congenital esophageal stenosis associated with esophageal atresia (EA) and distal tracheoesophageal fistula is presented. Three patients required only repeated dilatations, and have had good results. Two patients required limited resections of the distal esophagus, with excellent results. One patient died following a Heller myotomy. Tracheobronchial rests were present in the distal esophagus in the latter three patients. Diagnosis of congenital distal esophageal stenosis following repair of EA requires a high index of suspicion and a careful review of previous esophagrams. It is important to exclude anastomotic stricture and stenosis associated with gastroesophageal reflux. This requires barium esophagram, esophagoscopy with biopsy, and esophageal pH monitoring. Once a congenital basis for distal esophageal stenosis is suspected, management consists of dilatation by bouginage followed by balloon dilatation. Resection is reserved for persistent stenoses from tracheobronchial rests, which usually do not respond to dilatations.