Esophageal Dilation in Pediatric Patients

Indications and Contraindications

The primary indication for esophageal dilation in pediatric patients is symptomatic esophageal narrowing or stricture causing dysphagia or food impaction that has not responded adequately to medical therapy, according to the American Gastroenterological Association 1
Fixed esophageal strictures causing symptoms, such as dysphagia, food bolus impaction, nutritional compromise, and inability to advance diet, require dilation, as recommended by the American Gastroenterological Association 1, 2

Confirm stricture presence and etiology through endoscopy and biopsy, and assess stricture length, diameter, and location, as suggested by the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition 1

Medical therapy with anti-inflammatory agents should be attempted before dilation when possible, as recommended by the European Society for Pediatric Gastroenterology, Hepatology and Nutrition 1
Immediate dilation is indicated for tight esophageal stricture impairing swallowing and nutritional intake, and food bolus obstruction requiring urgent intervention, according to the American College of Gastroenterology 1
Deferred dilation is indicated for persistent symptoms despite adequate anti-inflammatory therapy, and fixed fibrotic strictures that won't respond to medical therapy alone, as suggested by the American Gastroenterological Association 1, 2

Dilation is safe and effective in children with eosinophilic esophagitis (EoE) strictures, and a combined approach with medical therapy and dilation shows best outcomes, according to the American Academy of Pediatrics 1
Systemic steroids may be used before dilation in severe cases with moderate-to-severe strictures, as recommended by the European Society for Pediatric Gastroenterology, Hepatology and Nutrition 1
The endoscopist should choose an initial dilator size that approximates esophageal lumen diameter, perform serial dilation in 1-3 mm increments, and aim for a final diameter of 15-18 mm, according to the American Society for Gastrointestinal Endoscopy 3, 4

Perforation risk is very low (0.38%) in modern practice, similar to other benign conditions, according to the American College of Gastroenterology 1
Common complications include post-procedural chest pain and mucosal tears, as reported by the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition 1
Avoid dilation immediately after starting steroids in EoE as this may increase perforation risk, as warned by the American Gastroenterological Association 2
Recurrence rates are high without ongoing medical therapy, and a combined approach is essential for long-term success, according to the European Society for Pediatric Gastroenterology, Hepatology and Nutrition 1

Monitored anesthesia care (MAC) with conscious sedation is recommended for endoscopic procedures in EoE patients to reduce risks of esophageal trauma, according to the American Gastroenterological Association 1
General anesthesia with intubation may increase the risk of esophageal trauma in EoE patients due to their compromised esophageal lumen 1
Gentle technique during intubation should be used to avoid esophageal trauma, as recommended by the American Society of Anesthesiologists 1, 4
Antiemetics should be used prophylactically to prevent vomiting that could stress the esophagus 5
Nasogastric tube placement should be avoided if possible to prevent esophageal trauma 1

Patients should be monitored for chest pain, which may require analgesia, and anti-inflammatory treatment for EoE (topical steroids or dietary elimination) should be continued or initiated after dilation to prevent recurrence, as recommended by the American Academy of Allergy, Asthma, and Immunology 3, 4
Symptom response after dilation usually lasts up to 1 year, and maintenance treatment with either topical steroid or dietary elimination should continue after dilation, with repeat endoscopy recommended at 6-12 weeks to assess treatment response 3
Oral intake should be resumed as soon as appropriate after recovery from anesthesia 5
EoE maintenance medications should be promptly resumed postoperatively 1

Patients with EoE should be assessed for history of esophageal strictures or narrow-caliber esophagus, as EoE is the most common cause of spontaneous esophageal perforation 1
A history of food bolus impactions, which occur in approximately 30% of EoE patients, should be documented 1
Current medications, including maintenance therapy with topical steroids or PPIs, should be reviewed 1
The patient's regular EoE medications should be maintained through the perioperative period 1
Anxiety about the procedure should be addressed, as psychological stress can exacerbate EoE symptoms 1
The surgical facility should have protocols for managing potential esophageal complications and accommodate dietary restrictions for patients on an elimination diet for EoE management 1, 4