PEPTIC ESOPHAGEAL STRICTURE
AT A GLANCE
|
Domain |
Key point |
|
Definition |
Benign fibrotic narrowing caused by chronic reflux-related mucosal injury, usually in the distal esophagus. |
|
Typical symptom |
Progressive dysphagia to solids. |
|
Typical location |
Distal esophagus, often near the gastroesophageal junction. |
|
Diagnosis |
EGD with careful inspection and biopsy; barium esophagram for selected tight or complex strictures. |
|
Definitive treatment |
Endoscopic dilation + Anti reflux measures |
|
Dilation endpoint |
Usually aim for ≥15 mm with easy passage and meaningful symptomatic improvement; individualize to anatomy and symptoms. |
|
Refractory pathway |
Reconfirm diagnosis → exclude malignancy/EoE → optimize reflux therapy → serial dilation → selected adjunctive endoscopic therapy → multidisciplinary/surgical consideration when needed. |
1. DEFINITION
A peptic esophageal stricture is a benign fibrotic narrowing of the esophageal lumen caused by chronic gastroesophageal reflux and acid-mediated mucosal injury.
2. PATHOPHYSIOLOGY
• Repeated acid exposure → esophagitis, ulceration and inflammation.
• Chronic injury → collagen deposition and fibrosis.
• Circumferential scar formation → progressive luminal narrowing.
3. RISK FACTORS
|
Longstanding GERD |
|
Severe erosive esophagitis |
|
Inadequate acid suppression / poor adherence |
|
Hiatal hernia |
|
Obesity |
|
Older age |
4. CLINICAL PRESENTATION
• Progressive dysphagia to solids is the classic presentation.
• Food sticking, heartburn, regurgitation and retrosternal discomfort may occur.
• Weight loss may result from reduced oral intake; substantial or rapid weight loss should trigger evaluation for malignancy.
• Solids-first dysphagia favors a mechanical obstruction; dysphagia to solids and liquids from the outset suggests a motility disorder.
5. RED FLAGS — EXCLUDE MALIGNANCY
|
Rapidly progressive dysphagia |
|
Marked or unexplained weight loss |
|
Iron-deficiency anemia or bleeding |
|
New dysphagia in an older patient |
|
Irregular, ulcerated or asymmetric narrowing |
|
Long or complex stricture |
|
Failure despite adequate therapy |
6. DIFFERENTIAL DIAGNOSIS
|
Diagnosis |
Clues / distinguishing features |
|
Peptic stricture |
Usually distal; longstanding GERD/reflux injury. |
|
Esophageal cancer |
Irregular or ulcerated lesion, rapid progression, weight loss, bleeding or anemia. |
|
Schatzki ring |
Thin circumferential ring near the GEJ with intermittent solid-food dysphagia. |
|
Eosinophilic esophagitis (EoE) |
Food impaction, rings/furrows, atopy, narrow-caliber esophagus or recurrent fibrostenotic disease. |
|
Other benign strictures |
Caustic, radiation, post-surgical/anastomotic and post-endoscopic therapy strictures. |
7. DIAGNOSTIC APPROACH
• History: define progression of dysphagia, solids versus liquids, food impaction, GERD symptoms, PPI adherence, weight loss/bleeding, prior radiation/surgery/caustic ingestion and atopic history.
• EGD is the key investigation: document site, length, severity, estimated luminal diameter, mucosal appearance, associated esophagitis, hiatal hernia, Barrett’s esophagus and suspicious lesions.
• Inspect the stricture carefully for malignant features.
• Obtain biopsies from the stricture/suspicious mucosa when malignancy is possible; obtain multiple esophageal biopsies when EoE is suspected.
• When a very tight or complex stricture cannot be safely characterized or traversed, use a barium esophagram to define length, diameter, location and anatomy before or alongside endoscopic therapy.
• Persistent dysphagia despite adequate luminal caliber should prompt reconsideration of alternative causes, including motility disorders.
8. ROLE OF BARIUM ESOPHAGRAM
• Useful when the stricture is very tight or non-traversable.
• Useful when complex anatomy, angulation or multiple strictures are suspected.
• Helps define location, length, luminal caliber and number of strictures.
• Can assist procedural planning when endoscopic characterization is incomplete.
9. SIMPLE VS COMPLEX STRICTURE
|
Feature |
Simple |
Complex |
|
Length |
Short |
Usually >2 cm |
|
Shape |
Straight / concentric |
Angulated / irregular |
|
Lumen |
Relatively wide |
Markedly narrowed |
|
Endoscope |
Usually traversable |
May not be traversable |
|
Dilation |
Usually straightforward |
Technically difficult; may require staged/fluoroscopic or wire-guided strategy |
|
Recurrence |
Lower |
Higher |
10. MANAGEMENT
10.1 Core treatment principles
• Management has two components: restore luminal patency with dilation and prevent recurrent injury with effective long-term acid suppression.
• Dilation treats the narrowing; PPI therapy treats the underlying reflux injury and reduces recurrence.
• Endoscopic dilation is the primary symptomatic treatment for benign esophageal strictures.
10.2 Endoscopic dilation
• For very tight or complex strictures, start conservatively and use graded dilation; avoid uncontrolled force.
• Use a guidewire-assisted or balloon-based approach when appropriate for anatomy and operator expertise; complex strictures may require fluoroscopic assistance.
• UK guidance supports repeat dilation at roughly weekly or two-weekly intervals until a 15-mm dilator can be passed easily together with meaningful symptomatic improvement.
• A practical endpoint in adults is usually ≥15 mm plus satisfactory symptom relief; diameter alone should not define success.
• The traditional ‘rule of 3’ is a safety convention for bougie dilation after moderate resistance. It is not a universally validated rule and should not be mechanically applied to balloon dilation.
10.3 PPI therapy — the other half of treatment
• Long-term effective PPI therapy is essential after dilation.
• PPIs are preferred over H2-receptor antagonists for healing reflux injury and reducing recurrent peptic stricture.
10.4 Post-dilation monitoring and discharge
• Monitor for severe or persistent chest pain, dyspnea, fever, tachycardia, subcutaneous emphysema or hemodynamic instability.
• Persistent/severe chest pain or systemic deterioration should raise concern for perforation and prompt urgent evaluation, commonly with CT-based assessment as clinically appropriate.
10.5 Complications
• Immediate: mucosal tear, bleeding, chest pain, perforation and aspiration.
• Perforation is the most feared complication and requires urgent recognition and management.
• Delayed: recurrent stricture and persistent/recurrent dysphagia.
• Perforation may lead to mediastinal infection and sepsis.
11. RECURRENT / REFRACTORY STRICTURE
|
Term |
Practical definition |
Clinical implication |
|
Refractory |
Failure to achieve an adequate lumen despite appropriate serial dilation, classically described as failure to reach about 14 mm after five sessions at 1–2-week intervals. |
Reassess diagnosis and escalate endoscopic strategy. |
|
Recurrent |
An adequate lumen is achieved but the stricture subsequently narrows again, preventing sustained clinical benefit. |
Identify and control the underlying cause; repeat dilation and consider selected adjuncts. |
11.1 Before labeling a stricture refractory
• Reconfirm that the lesion is truly benign.
• Exclude malignancy with appropriate endoscopic assessment and biopsy.
• Exclude EoE when clinically suspected and obtain adequate biopsies.
• Optimize PPI therapy and control active reflux esophagitis.
• Consider alternative causes of persistent dysphagia if the lumen is adequate.
11.2 Escalation pathway
• Optimize reflux therapy → repeat graded dilation.
• Intralesional corticosteroid injection when inflammation persists despite optimized anti-reflux treatment.
• Temporary fully covered removable stents may be considered. Migration and recurrence are important limitations.
• Persistent refractory disease should prompt multidisciplinary review and consideration of surgical or other definitive strategies when endoscopic management fails.
12. SPECIAL CONDITIONS
12.1 Peptic stricture + Barrett’s esophagus
• Chronic reflux and a distal peptic stricture should prompt consideration of Barrett’s esophagus and adenocarcinoma.
• Severe active esophagitis or narrowing may limit complete mucosal assessment; reassessment after healing/dilation may be needed when clinically indicated.
• Follow appropriate Barrett’s surveillance and dysplasia-management pathways when Barrett’s esophagus is confirmed.
12.2 Peptic stricture + EoE
• Consider EoE in younger patients, food impaction, atopy, rings/furrows, narrow-caliber esophagus or recurrent strictures.
• A benign-looking stricture does not exclude EoE; obtain esophageal biopsies when clinically suspected.
• Dilation improves luminal caliber but does not treat the underlying eosinophilic inflammation; EoE-directed anti-inflammatory therapy remains necessary.
12.3 Peptic stricture + persistent reflux / hiatal hernia
• Repeated recurrence despite apparently adequate PPI therapy should prompt reassessment of reflux control and anatomy.
• In carefully selected patients with objectively established reflux and appropriate anatomy, referral for multidisciplinary assessment of anti-reflux intervention may be appropriate.
REFERENCES
• Harrison’s Principles of Internal Medicine, 22nd ed. Chapter 334: Diseases of the Esophagus. McGraw Hill; 2025.
• Sami SS, et al. UK guidelines on oesophageal dilatation in clinical practice. Gut. 2018; 67:1000–1023.
• ASGE Standards of Practice Committee. Adverse events of upper GI endoscopy. ASGE guideline.
• American Society for Gastrointestinal Endoscopy. ASGE guideline on the diagnosis and management of GERD: summary and recommendations. Gastrointest Endosc. 2025;101(2):267–284. doi: 10.1016/j.gie.2024.10.008.
• American Society for Gastrointestinal Endoscopy. ASGE guideline on the diagnosis and management of GERD: methodology and review of evidence. VideoGIE. 2025;10(2):81–137. doi: 10.1016/j.vgie.2024.10.001.
• American Society for Gastrointestinal Endoscopy Technology Committee. Tools for endoscopic management of benign luminal GI strictures 2025. Gastrointest Endosc. 2025;102(4):454–468.