Esophagoscopic Dilatation

Esophagoscopic dilatation

It is a process carried out when conducting upper GI endoscopy in which a flexible tube containing a camera (endoscope) is inserted through the mouth into the esophagus. Strictures (narrowed section) are then stretched by use of special instruments to widen them.

Why is it done?

Esophagoscopic dilatation is usually performed for:

• Esophageal strictures (both benign and post-surgical)
• Stricture of the esophagus (following repair of esophagial atresia) 
• GERD-related scarring
• Caustic ingestion injury
• Radiation-induced strictures
• Schatzki ring or webs
• Esophageal post-anastomotic constriction.

Types of dilation used

Balloon dilatation

• A balloon is inflated slowly at the narrowed section by having the deflated balloon.
• Radial pressure offers are controlled.
• Rarely seen until in children and in the post-operative stricture.

Bougie dilatation

• Sequentially, flexible or semi rigid dilators of various size are introduced.
• On plain short colloquial strictures.

Esophagoscopy dilation procedure

Esophagoscopy dilation is an endoscopic intervention, a minimally invasive procedure applied to enlarge a constricted (strictured) esophagus to facilitate swallowing.

Before the Procedure

• Fasting: No food or drinks during 6-8 hours.
• Assessment tests: History, imaging/endoscopy review.
• Consent: Exemplified risks and benefits.

Anaesthesia:

• Adults: IV sedation
• Children: General anaesthesia (most frequent)

Procedure Steps

Positioning

• Patient lies on the left side.

Endoscope Insertion

• An esophagus is viewed by using a flexible esophagoscope which is introduced into the mouth.

Stricture recognition

• Narrowing location, length and tightness are evaluated.
• Introduction of the guidewire (when necessary)
• One can pass a soft guidewire across the stricture to be safe.

Dilation Method

Dilation of the balloons (most frequent):

• A deflated balloon is rolled in the stricture and inflated slowly at the rate of 30-60 seconds.

Bougie dilation:

• The narrowed area is then passed with dilators of progressively larger size.

Assessment

• Endoscope is once again reintroduced to monitor mucosa and dilation effect.

Completion

• Instruments taken off and patient monitored.

Time: 15–30 minutes

After the Procedure

• Observation for 1–2 hours
• Light chest pains or sore throat are typical.
• Begin with fluid foods, followed by soft foods.
• In the majority of cases, same-day discharge.

Number of Sessions

• The single session might be enough.
• Strictures may recur or be post-surgical requiring several dilations.
• Sessions spaced 2–4 weeks apart

Esophagoscopic stricture treatment

The term esophagoscopic stricture treatment is applied to refer to the minimally invasive endoscopy-based procedures used in diagnosis and management of esophageal-narrowing, the main aim of which is to normalize the process of swallowing and avoid recurrence.

General Esophageal Stricture Causes

• After surgical scarring (particularly atresia repair of the esophagus)
• Chronic GERD
• Caustic ingestion
• Radiation injury
• Ulcerative or inflammatory damage.
• Esophageal rings or webs congenital.

Treatment with Esophagoscopy

Endoscopic Dilatation (Initial Treatment)

• The most popular strategy.

Techniques

• Balloon dilatation (better, particularly in children).
• Simple strictures (also known as bougie dilatation, abbreviated as BD)

Key points

• Progressive, slow, gradual widening.
• Frequently needs more than one session.
• Administered by sedation or anaesthesia.

Steroid Injection in the lesion

• Applied to recurrent or resistant strictures.
• Steroid use (e.g. triamcinolone) into stricture margins.
• Lowers swelling and tissue wounding.
• Frequently used together with dilatation.

Endoscopic Incision (Stricturotomy)

• For selected strictures.
• Slices with endoscopic knife in fibrotic tissue.
• Applicable to short ring-like strictures.
• Needs highly trained endoscopist.

Esophageal Stenting with Temporary Stents

• Only used on tough cases.
• Expandable stents made of metal or plastic.
• Maintains esophagus open during weeks.
• Applied in case of failed repeated dilatation.

Treatment Strategy

• Begin with serial dilatations.
• Graduate to injection of steroids or cut in case of recurrence.
• Surgery as a final consideration to strictures.

Pediatric esophagoscopic dilatation

Pediatric esophagoscopic dilatation is a less invasive endoscopic surgery applied to treat esophageal strictures (narrowing) in children and infants, mostly following esophageal atresia surgery.

Why is it needed in children?

The typical signs of childhood diseases are:

• Most common are repair strictures (post-esophageal atresia).
• Inborn esophagus constriction.
• Caustic ingestion injury
• GERD-related strictures
• Post-anastomotic scarring

Procedure 

• Child put under General anaesthesia.
• Flexible esophagoscope in pediatrics is introduced through the mouth.
• Location, length and tightness of stricture are evaluated.
• A guide is possible to pass through the stricture.

Dilation of the balloon is done:

• Balloon supporting the stricture.
• Slow inflation between 30 and 60 seconds.
• Frequently repeated 2-3 times during one session.
• New endoscopic evaluation of the esophagus.
• Instruments discontinued and child observed.
• Procedure time: 15–30 minutes

Esophagoscopic dilatation recovery

Post-esophagoscopic dilatation recovery is typically easy and rapid, particularly when the practice is performed by skilled individuals in the event of benign strictures.

First 24 Hours After the Procedure

Observation:

• Adults: 1–4 hours
• Children: 12-24 hours (usually overnight)

Common symptoms (normal):

• Mild sore throat
• Pain or pain in the chest.
• Difficulty in temporarily swallowing.
• Management of pain: This is normally controlled using mild analgesics.

Immediately alert the doctor in case there is:

• Severe chest or neck pain
• Fever
• Persistent vomiting
• Breathing difficulty
• Blood in saliva or vomit

Diet After Dilatation

Day 0 (same day)

• Oral rehydration, water, broth (clear liquids).

Next 24–48 hours

• Soft or semi-solid foods
• Avoid spicy, hot, hard or acidic foods.

After 2–3 days

• Slow reintroduction of normal diet (as recommended)

Activity

• Fasting during the day of operation.
• Normal day to day functioning is restored in less than 24 hours.
• In 1-2 days children can get back to school.

Medications

• PPIs or H 2 blockers when GERD present.
• Antibiotics upon prescription.
• Take regular drugs unless otherwise.

Follow-Up

• Review visit within 1–2 weeks
• Repeat dilatation when the symptoms reappear.
• Only needed: contrast study or endoscopy.

Recovery (Particularly in Children) Long-term

• Not all the patients can be dilated just once.
• Swallowing gets better as time goes by.
• Close growth and nutrition observation.
• GERD control over long-term is significant.

Best hospital for esophagoscopic dilatation India

• Artemis Hospital, Gurgaon
• Medanta-The Medicity, Gurgaon
• Fortis Memorial Research Institute, Gurgaon
• Max Hospital, Saket

Conclusion

Esophagoscopic dilatation is a safe and effective method for the management of esophagial strictures in both adult and paediatric populations. It is especially significant in the restoration of swallowing, improved nutrition, and better quality of life, especially in children after correction of esophageal atresia. The vast majority of patients will be able to achieve long-term symptomatic relief without the need for major surgery if they have appropriate technique, care after the procedure, and follow-up. 

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FAQ

1. Is it safe to perform esophagoscopic dilatation? 

• It is very safe, when several skilled professionals are involved. Serious complications such as perforation are infrequent.

2. Is one esophagoscopic dilatation sufficient? 

• Some patients benefit from even one treatment but some - mainly children or post-surgical cases - require several dilatation treatments over a period of time.

3. Can the stricture recur?

• Yes, stricture recurrence can occur, particularly in pediatric and post-surgical strictures. Redilatation is frequently successful.

4. When is surgery needed rather than dilatation? 

• Operation is reserved for the most refractory strictures that fail serial endoscopic treatments.

5. Is esophagoscopic dilatation performed in children?

• Yes. It is the treatment of choice for pediatric esophageal strictures, particularly following repair of esophageal atresia.