Eustachian Tube Dysfunction

Eustachian tube dysfunction (ETD) is a condition affecting up to 5% of the adult population. It can cause muffled hearing, pain in the ear, and other symptoms. Untreated, long term Eustachian tube dysfunction can have serious health consequences, including damage to the eardrum and middle ear. Dr. Shervin Aminpour uses Acclarent AERA Eustachian Tube Dilation System to treat persistent Eustachian tube dysfunction at the source.

Eustachian Tubes and Their Functions

The Eustachian tubes are the narrow tubes that connect the middle ear (the space behind the eardrum) with the back of the nose. In adults, these tubes are approximately 3 to 4 cm (1.18 to 1.57 inches) long. The 3 main functions of the Eustachian tubes are to:

  • Ventilate the middle ear;
  • Protect the middle ear from disease; and
  • Help drain secretions away from the middle ear.

The Eustachian tubes are normally closed, but open when we yawn, swallow, or chew, which allows air to flow into the middle ear and mucus to flow out. This equalizes air pressure on either side of the eardrum and keeps the middle ear free of mucus. It also helps the eardrum vibrate, which is necessary for us to hear. As long as the Eustachian tubes are working properly, they typically go unnoticed.

eustachian tube balloon dilation

Symptoms of Eustachian Tube Dysfunction

ETD occurs when the Eustachian tube becomes blocked or fails to open properly. As air cannot get into the middle ear, the air pressure becomes unequal, with greater pressure on the outside of the eardrum than on the inside, in the middle ear. This pressure pushes the eardrum inward, so it becomes tense and does not vibrate properly when it is hit by sound waves.

Symptoms of ETD can last for several hours to several weeks or longer. They may include:

Causes of Eustachian Tube Dysfunction

Conditions that cause ETD include:

  • Common cold and other nasal, sinus, ear, or throat infections: Blocked nasal passages and thick mucus with a cold or infection can block the Eustachian tube and cause ETD. Infection can also cause inflammation and swelling of the lining of Eustachian the tube. ETD symptoms can persist for a week or more after a cold or infection has healed, as trapped mucus and swelling can take some time to resolve.
  • Glue ear: This is a condition, common among children, in which the middle ear becomes filled with a glue-like fluid. The Eustachian tube becomes congested, so air cannot flow into the middle ear. This creates a difference in air pressure, which can lead to muffled hearing and pain. The glue-like fluid further interferes with the vibrations of the eardrum, which can further affect the hearing.
  • Allergies: Hay fever or persistent rhinitis (inflammation of the nose), that come with a blocked, itchy, runny nose and sneezing, can cause extra mucus and inflammation in and around the Eustachian tubes. This can lead to Eustachian tube dysfunction.
  • Blockage of the Eustachian tube: Enlarged adenoids or any condition that causes a blockage in the Eustachian tubes can lead to ETD. In rare cases, tumors that develop in the back of the nose can cause ETD.

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Complications of Eustachian Tube Dysfunction

In many cases, after a cold, for example, ETD will resolve on its own within a few days to a week or so after the infection clears up. However, persistent ETD should not be left untreated. It can have serious complications, including:

  • Otis media with effusion (a collection of non-infected fluid in the middle ear)
  • Atelectasis of the middle ear (reduction in middle ear volume caused by Eustachian tube blockage followed by absorption of the oxygen in the middle ear and retraction of the ear drum medially)
  • Adhesive otitis (inflammation of the middle ear caused by prolonged ETD resulting in permanent retraction of the eardrum and obliteration of the middle ear space)
  • Cholesteatoma (abnormal, noncancerous skin growth behind the ear drum caused by repeated ear infections)
  • Perforation of the ear drum

Acclarent AERA System to Treat Persistent Eustachian Tube Dysfunction

In the past, treatments for chronic Eustachian tube dysfunction were limited primarily to medications or surgery, but Dr. Aminpour offers his patients another option. The Acclarent AERA Eustachian Tube Balloon Dilation System is the first device in the U.S. for dilating the Eustachian tube to treat persistent ETD.

With this system, Dr. Aminpour uses a catheter to insert a small balloon through the nose and into the Eustachian tube. The balloon is inflated to open up a pathway for air and mucus to flow through the Eustachian tube, to help restore normal function. After the Eustachian tube has been dilated, the balloon is deflated and removed.

Clinical studies of the Acclarent AERA system have shown a 99.7% technical success rate in Eustachian tubes dilated and a greater rate of ear drum normalization than in patients treated with medical management alone. There were no device or procedure-related serious adverse events reported, and a significant percentage of patients reported improved quality of life. The Acclarent AERA system is at the forefront of Eustachian tube dysfunction medical technology and will play a significant role in treating this disease.

Dr. Shervin Aminpour is a board-certified otolaryngologist – an ear, nose, and throat (ENT) doctor in Los Angeles – and a sinus surgeon who offers a broad range of services for patients suffering from ear, nose, and throat issues, such as Eustachian tube dysfunction. He stays up-to-date on ever-changing and evolving ENT technology to provide his patients with the most advanced treatments and highest quality care.

Dr. Aminpour is a certified Los Angeles allergist trained in the Acclarent AERA Eustachian Tube Balloon Dilation System. If you are suffering from persistent Eustachian tube dysfunction, it is important to receive medical treatment for your condition to help prevent further serious complications. When you come to our clinic for a consultation with Dr. Aminpour, he can evaluate your condition and advise you if the Acclarent AERA system is the right treatment option for you.

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