Eustachian Tube Balloon Dilation - Indications, Benefits, Risks, and Prognosis

Introduction:

Eustachian tuboplasty is a type of procedure performed to treat problems in the ear, particularly eustachian tube defects. When the eustachian tube is blocked, the ear fluids cannot be drained, and the inner ear's ventilation will be blocked. So there are many ways through which a blocked ear can be managed.

What Is an Eustachian Tube?

• The eustachian tube refers to a valve-like apparatus that bridges the middle ear to the back of the throat.

• This tube helps balance the pressure inside the ear with the surrounding environment.

• It helps to drain the ear and also helps in relieving the internal ear pressure.

• It helps in the easy ventilation of the middle ear.

What Is Eustachian Tube Dysfunction?

1. Most airplane travelers complain of ear problems, including temporary pain and hearing loss.

2. The awareness to equalize the pressure inside the ear during air travel helps to avoid the difficulty and uncomfortable pressure feeling.

3. The internal pressure inside the ear is managed by the eustachian tube effectively. If any impairment in the tube or the tube is not able to open properly, it is called Eustachian tube dysfunction (ETD).

4. If the eustachian tube is not working properly and when it fails to ventilate the middle ear space, a negative pressure is developed inside the central ear space.

5. The formation of negative pressure is because the air in the middle ear space gets reabsorbed during the whole day, and no new air entering the eustachian tube may result in less air in the middle ear than in the room.

6. This further leads to the sucking of the eardrum into the middle ear space due to the negative pressure.

7. The moment when the eardrum is sucked into the middle ear results in the ear drum dampening mobility.

8. This activity results in the plugged-up feeling associated with the symptom of hearing loss.

9. A patient needs to pop open or clear the ear.

10. The negative pressure may also lead to fluid accumulation in the middle ear, making the patient feel the fluid moving around.

11. In certain conditions such as the common cold, sinus infection, or ear infection, the eustachian tubes get blocked completely, making it difficult for the air to pass through.

12. If the eustachian tube is affected, it may lead to various problems such as.

    • Ringing in the ears (tinnitus).

    • Impairment in hearing ability.

    • Frequent ear infections.

    • Hearing loss.

    • Ear pain.

    • Stuffy ears and noses.

    • Ear pressure.

    • Fullness.

    • Dizziness.

    • Off-balance sensation.

13. The blockage in the eustachian tubes can be relieved by nasal sprays and Antihistamine tablets which help in decreasing inflammation and congestion.

14. Surgical procedures involving the placement of tubes in the eardrum (tuboplasty) that maintain the pressure in the middle ear have opted for recurrent eustachian tube dysfunction.

What Are the Causes of Eustachian Tube Dysfunction?

Eustachian tube dysfunction happens due to the inflammation of the tube, which leads to the accumulation of fluid. Certain conditions are responsible for causing the eustachian tube dysfunction, and these include-

• Sinus infections.

• Allergies.

• Nasal polyps.

• Deviated septum.

• Vasomotor rhinitis.

How to Drain Ear Sinus Fluid?

If the eustachian tube gets blocked with fluids then the person will feel like constant ear popping to release the ear pressure. Ear popping helps to get rid of the fluid in the ear as well as helps to release the pressure in the ear. Ear popping can help to drain the fluid by opening the eustachian tube. The most simplest way to open the eustachian tube is by yawing, chewing, or swallowing. Valsalva maneuver is used to pop the ear by taking a deep breath and holding it.

If the ear is clogged due to a cold then use gargling water and a warm compress which helps to reduce the mucus caused by infection or allergy. Ear clogged due to cold can also be managed through yawing, chewing, etc.

What Is Balloon Dilation for Eustachian Tube Dysfunction?

• Recent advancements in the treatment approach in the management of eustachian tube dysfunction include a minor surgical procedure called balloon dilation.

• This procedure is performed by placing a small balloon through the nose and into the eustachian tube without requiring incisions.

• The balloon inserted is allowed to expand and inflate the eustachian tubes for two minutes.

• There is no pain experienced by the patients as the procedure is done under intravenous sedation by a certified anesthesiologist.

• The effect of the dilation is long-term, and in case of recurrence, the tuboplasty can be repeated.

• It is also important to rectify and correct the underlying allergic or sinus issues.

What Are the Indications for Eustachian Tube Balloon Dilation?

The eustachian tube balloon dilation is indicated in the following conditions, which include-

• Results showing Type B or Type C tympanogram.

• Failed medical management, including the Valsalva maneuver, and failed medical therapy involving four weeks of nasal steroids or one week of oral steroids.

• ETDQ (Eustachian tube dysfunction questionnaire) - 7 mean score more than 2.

• Aural fullness greater than 12 weeks.

How Is Eustachian Tube Surgery Done?

A long-term eustachian tube dysfunction may be treated with surgery. The goal of this surgery is to bypass the tube and rule out the ventilation issues in the middle ear. The different surgical options are

• Myringotomy: In this procedure, a small incision is done in the eardrum through which the fluid is drained from the middle ear.

• Pressure equalization tubes: In this procedure, ear tubes are placed within the ear drums which provide ventilation. Regular replacement of this tube may be required.

• Eustachian tuboplasty: In this procedure, the eustachian tube is expanded using a balloon.

What Is the Prognosis of Eustachian Tube Balloon Dilation?

The tuboplasty technique, which involves eustachian tube balloon dilation, is a proven technique and shows efficient results in various peer-reviewed studies. The reports suggest that-

• 99.7 % success in the dilation access rate.

• A tympanogram is used to measure the pressure in the middle ear, which shows improvement in the ranges from 13.9 % to 51.8 %.

• The eustachian balloon tube dilation shows gradual improvements in the symptoms of the eustachian tube dysfunction.

• A greater range of improvement can be observed in the quality of life.

What Are the Risks of Eustachian Balloon Tuboplasty?

• The eustachian tube balloon dilation is a safe and effective method.

• But in rare cases, it may cause certain risks that include infection, mucosal and tissue trauma, and occasionally carotid artery injury.

• Mild congestion or soreness may be reported in a few cases.

• Nosebleeds.

• Over opening of the eustachian tube.

What Is the Recovery Period for the Eustachian Tube Balloon Dilation Procedure?

• A patient can recover completely within a day or two after the procedure.

• It is a simple, safe, and effective procedure and does not have serious complications.

• Patients are not recommended for any pain medications as they can be very normal and return to work the next day.

• A majority of patients may observe a significant improvement in the symptoms of eustachian tube dysfunction from the eighth week after the procedure.

• Post-operative nasal sprays are prescribed for comfort and to moisturize the nasal passages.

What Are the Benefits of the Eustachian Tube Dilation Tuboplasty Procedure?

• The primary advantage of this procedure is that it is safe and quick.

• Secondly, not even minor incisions are required.

• It is a quick procedure that involves a total duration of around three minutes.

Conclusion:

The eustachian balloon dilation procedure is a quick, effective, and safe procedure and can be well-tolerated. Nasal packing is not necessary. The main advantage of the procedure is fast recovery, and the patient can participate in normal activities either the same day or the next day.