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Eustachian tube test SlideShare

Eustachian tube, anatomy, test and disorders, dr.vijaya sundarm, 20.03.17 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website Eustachian Tube Function Tests Valsalva test Politzer test Catheterisation Toynbee's Test Tympanometry Radiological test Saccharine or Methylene Blue test Sonotubometry 25. Valsalva test 26. Politzer Test 27. Catheterisation 28. Tympanometry 29 Eustachian Tube :Anatomy & Disorders & Secretory Otitis Media Sreelakshmi M 1 Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website Eustachian tube is commonly overlooked even by many physicians as effect of chronic otitis media rather than a cause. this is a humble attempt to explain the r Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising

EUSTACHIAN TUBE FUNCTION ASSESSMENT • History and Physical Examination • Pneumatic Otoscopy 10. • Nasopharyngoscopy • Imaging of the Eustachian Tube-MRI 11. Valsalva's Test 12. POLITZER'S TEST 13. EUSTACHIAN TUBE CATHETERIZATION ATTACHED TO A PRESSURE SYSTEM TO INSUFFLATE THE MIDDLE EAR 14. TYMPANOMETRY 15 ET Function Tests • VALSALVA TEST - Principle: positive pressure in the nasopharynx causes air to enter the Eustachian tube 27 28. - Tympanic membrane perforation- a hissing sound - Discharge in the middle ear- cracking sound - Only 65% of persons can do this test A detailed description of Eustachian tube dysfunction: the symptoms, causes, diagnosis, and treatment methods.For more information, please visit www.everydayhe Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising To perform the Eustachian tube function intact test, what you do is a series of three tympanograms. You are manually adjusting the middle ear pressure to make sure that the Eustachian tube is opening and closing. Place the probe into the ear and go to the intact Eustachian tube function tests, and press Start

The Eustachian tube is an opening that connects the middle ear with the nasal-sinus cavity. This tube helps to: Balance pressure in the middle ear (commonly felt as your ears popping) Drain fluid from the middle ear. Protect the ear from both hearing sounds your body causes and nasal drainage. This tube contains a valve that opens and closes In the most basic sense, Eustachian tube function can be assessed with conventional tympanometry. If the tympanogram demonstrates>-250 daPa middle ear pressure ET function is presently abnormal. However, this result may not indicate chronic dysfunction. However, the absence of negative pressure does not necessarily imply normal ET function At AAA 2018, we invited attendees to step up to the mic to record an audiologic question. Our experts were on-hand to answer them in person. We took these re.. Anatomy. Your eustachian tube is located in the area known as parapharyngeal space. It runs from the front wall of the middle ear to the side wall of the nasopharynx. In adults, the eustachian tube slopes downward about 35 degrees; in children, the eustachian tube only slopes about 10 degrees downward. 1 . The eustachian tube consists of.

2. Wriggle your jaw. This very simple maneuver is known as the first technique of the Edmonds maneuver. Simply jut your jaw forward, then wriggle it back and forth, from side to side. If the ear blockage is mild, this action can pop your Eustachian tube open and reestablish normal air flow The eustachian (say you-STAY-shee-un) tubes connect the middle ears to the back of the throat. The tubes help the ears drain fluid. They also keep air pressure in the ears at the right level. When you swallow or yawn, the tubes open briefly to let air in to make the pressure in the middle ears equal to the pressure outside of the ears Insert a tiny hollow tube made of plastic or metal into the eardrum; Over time, the tube is pushed out as the eardrum heals. A pressure equalization tube usually provides middle ear ventilation for six to 12 months. Often, the eustachian tube will have recovered by this time, and we will not need to replace the tubes The Eustachian tube is a narrow tube that connects the space behind the ear (the middle ear) with the back of the nose. In adults it is about 3-4 cm long. The middle ear is normally filled with air. The air is constantly being absorbed, so fresh supplies of air are needed to get into the middle ear from time to time. The air can't get in.

Balloon dilation of the eustachian tube is a minimally invasive method for treating chronic ETD. The procedure is usually performed under general anaesthetic but sometimes can be done under local anaesthetic. During the procedure, a balloon catheter is inserted into the eustachian tube through the nose using endoscopic guidance Eustachian tube issues are clearly at the top of the list for postings on WebMD Ear, Nose, and Throat Board. This is an unusual long Blog posting, but this was required in order to cover the full gamete of this disorder. Dysfunctional Eustachian tubes can cause a variety of annoying symptoms, depending on the type. If the normally-closed tubes. Patulous eustachian tube (PET) occurs when the eustachian tube remains open (patulous). It is an uncommon condition affecting only around 1 of every 10,000 people. The eustachian tubes, also called auditory tubes, run from the inner ear to the back of the throat The Eustachian tube extends from the anterior wall of the middle ear to the lateral wall of the nasopharynx, approximately at the level of the inferior nasal concha.It consists of a bony part and a cartilaginous part.. Bony part. The bony part (1 ⁄ 3) nearest to the middle ear is made of bone and is about 12 mm in length.It begins in the anterior wall of the tympanic cavity, below the septum. Tubomanometry is an established test of Eustachian tube function. It is an easily-administered test used in clinical laboratories. It consists of a nosepiece and an ear canal pressure probe coupled to a manometer and air pump. When the nosepiece and ear canal probe is in place, a maneuver, such as swallowing, will cause the tubomanometer to.

Eustachian tube, anatomy, test and disorders - SlideShar

Balloon Eustachian Tuboplasty for Chronic Eustachian Tube Dysfunction. Two weeks after having balloon eustachian tuboplasty, Robin Goebel was on a flight to South America, where she hiked at high altitudes, visiting Machu Picchu at 7,970 feet and Cusco at 11,152 feet, and took 13 different flights to places ranging from Ecuador to the Galapagos Islands Henry DF, DiBartolomeo JR. Patulous eustachian tube identification using tympanomerty. J Am Acad Audiol. 1993;4:53-57. Grimmer JF, Poe DS. Update on eustachian tube dysfunction and the patulous eustachian tube. Curr Opin Otolaryngol Head Neck Surg. 2005;13(5):277-82. Castillo MP, Roland PS. Disorders of the auditory system Patulous eustachian tube is a benign but symptomatically troubling condition in which the eustachian tube stays open most of the time. The eustachian tube is the tube that runs between the middle ear and throat and regulates the ear pressure around the ear drum. Under normal circumstances, it remains closed most of the time, opening only on occasion to equalize air pressure between the middle. Eustachian tubes connect the passage that links the middle ear to upper region and back of throat. Eustachian tube dysfunction is the block in the airflow that links this passage

Eustachian Tube - slideshare

Eustachian Tube Dysfunction Test. The Eustachian tubes connect the middle ears to the nose. The Eustachian tube is normally closed, but it opens from time to time in the back of the nose, for example when you yawn or swallow. When you pinch your nose in an effort to pop the ears open, air is forced up the Eustachian tube to equalize pressure. The Eustachian tube is, yes, a tube, that connects the air pocket to the very back of the nose. The Eustachian tube is usually closed, but each time you swallow or yawn, it temporarily opens and sends a little puff of air into the ear, keeping the pressures on each side of the eardrum the same

Eustachian tube - SlideShar

For patients whose Eustachian tube remains closed when it should be open, the condition known as obstructive Eustachian tube dysfunction, the gold standard has long been placing tubes within the eardrums to aerate the middle ear. However, a new procedure soon available at Johns Hopkins addresses the Eustachian tube directly for the first time Eustachian tube disorder is a clinical diagnosis achieved by a combination of clinical history and physical examination. Sometimes one part of the hearing test to assess compliance of the eardrum (known as tympanometry) may yield a result that suggest a Eustachian tube dysfunction Valsalva test is the functional test of eustachian tube

Assuming you thoroughly understand what eustachian tube dysfunction is, the question now becomes how does one use nasal sprays to correctly treat this disorder. Of note, fluid in the middle ears is treated the same way. Obviously, ear drops will not work because the eardrum prevents anything administered through the ear canal from getting to the eustachian tube which is located BEHIND the eardrum What I did have was a horrible case of Eustachian tube dysfunction (ETD), which I had to self diagnose. This condition caused an inner-ear infection that damaged my hearing. The steroid shots into my ear presumptively healed that damage. My ETD eventually became a case of glue ear which caused me to have almost total hearing loss in my right ear Objective: Obstructive Eustachian tube dysfunction, a form of Eustachian tube dilatory dysfunction, can be a challenge to diagnose in individuals with classic Eustachian tube dysfunction symptoms but a normal tympanic membrane exam and tympanogram. The purpose of this article is to outline techniques that can be used by the otolaryngologist to evaluate patient's under these circumstances This video details the tests for Eustachian tube functioning.This is a common topic in MBBS studies and are important from exam point of view as well.This vi.. You can purchase the latest hearing aids at a fair price through HearingSol, If you need any assistance or you have a query regarding Eustachian tube dysfunction and Hearing loss, feel free to call us at +91-9899437202.We are always here to help you. The eustachian tubes have several important functions: It opens and closes in order to change in comprehensive air pressure for equalizing the.

Eustachian tubes are inside the ears and connect the middle ear to the back of the nose. They help the ears drain fluid, stabilize air pressure inside the ear, and keep germs out. Eustachian tubes connect the middle ear to the throat. When you yawn or swallow, the tubes open to match the pressure inside the ears to the pressure outside Tympanometry test. Before examination, the subject (or the person responsible for the subject) should be asked if he/she currently has any ear-related symptoms (including discomfort, pain and discharge), is currently being treated for any ear-related problems or has previously had surgery involving the ears The eustachian tubes run from the back of the nose to the middle of the ears and help regulate pressure inside the ear. If the eustachian tubes become plugged or infected, it can cause eustachian. Complete obstruction of the eustachian tube with a catheter and bone wax (Bluestone 1981) Cauterization of the lumen of the E.T. with insertion of a fat graft (Doherty 2003) PETR - Patulous ET reconstruction Designed specifically to augment the concave or scaphoid defect within the tubal valve (Poe 2007

A, Schematic diagram of the instrument used to test eustachian tube (ET) function. B, Idealized middle ear (ME) pressure (MEP) and trans-ET flow vs time waveforms for the forced-response test (FRT); MEP vs time waveforms for the inflation-deflation test (IDT); MEP and nasal pressure (NP) vs time waveforms for the Valsalva test; and MEP and NP vs time waveforms for the sniffing test This video explains what Eustachian tube dysfunction is and how it leads to glue ear. It also touches on how it causes ear infections (otitis media), and ho.. Eustachian tube is an auditory tube, which connects the middle ear and the nasopharynx. As the middle ear is not in direct contact to the outside, so there are chances of building up the pressure difference. The Eustachian tube equalizes the pressure on the tympanic membrane. Normally the eustachian tube remains collapsed but it opens while. A blocked Eustachian tube is a temporary condition that may lead to dulled hearing. The condition usually happens during and after a cold, lasting for a week or so. Often there is no need to take medication. Occasionally, you can try antihistamines, decongestants or a steroid nasal spray to ease the symptoms. This article will explain the. Dysfunction of Eustachian Tube/Hearing loss: If the auditory tube is dysfunctional, symptoms such as muffled hearing, pain, tinnitus, reduced hearing. All of these symptoms have been linked to post-acute sequelae of COVID-19 (PASC). Gastrointestinal Disorders: Gastrointestinal symptoms can vary in intensity from very mild to serious

Eustachian tube dysfunction - SlideShar

The eustachian tube, also known as the auditory tube or pharyngeotympanic tube, connects the nasopharynx to the middle ear. Most texts describe the tube at its proximal end extending from the anterior wall of the middle ear to the lateral wall of the nasopharynx. Typically the proximal one third of the tube is bone Apparently, to keep the eustachian tubes opening & closing correctly to release fluid/mucous and keep balanced pressure you need to yawn, swallow etc. When suppressing these natural actions you are not fully opening your eustachian tubes which can cause a build up of fluid & pressure inside them. This can cause tinnitus Background and aims: Eustachian tube dysfunction (ETD) is a commonly diagnosed disorder of Eustachian tube opening and closure, which may be associated with severe symptoms and middle ear disease. Currently the diagnosis of obstructive and patulous forms of ETD is primarily based on non-specific symptoms or examination findings, rather than measurement of the underlying function of the.

eustachian tube physiology ppt - SlideShar

The Eustachian tube is a narrow tube that connects the middle ear to the back of the nose. Normally, the Eustachian tube opens with every swallow or yawn to act as a pressure-equalizing valve for the middle ear. It also serves to drain the mucus produced by the lining of the middle ear. Blockage of the Eustachian tube isolates the middle ear. Eustachian tubes are small pipe like structures that run between the middle ear and upper throat, designed to equalise ear pressure. They are usually closed except when a person is yawning, swallowing or eating. The Eustachian tubes can sometimes get blocked due to a variety of reasons, mainly due to the accumulation of excessive mucous when a person catches severe cold Objectives: To review the diagnosis of patulous Eustachian tube (PET) based on the diagnostic criteria for the PET proposed by Japan Otological Society (JOS). Methods: We reviewed typical aural symptoms of PET, Eustachian tube (ET) obstruction procedure to confirm diagnosis of PET, objective findings of a patent ET obtainable from observation of the movement of the tympanic membrane, and by ET. 2. Try yawning. This simple exercise is often quite effective at removing Eustachian tube blockage because the muscles used in the movement are quite strong. Yawning can help to equalize the pressure in the middle ear by temporarily opening your Eustachian tubes, which allows the air to flow out of the middle ear

Anatomy and physiology of eustachian tube - SlideShar

  1. ation without.
  2. What is eustachian tube dysfunction (ETD)? ETD is a condition that prevents your eustachian tubes from opening properly. It can also cause them to become blocked. Eustachian tubes connect your middle ear to the back of your nose and throat. These tubes open and allow air to flow in and out when you sneeze, swallow, or yawn
  3. The Eustachian tube is a complex and inaccessible structure, which maintains middle ear ventilation to facilitate transmission of sound from the tympanic membrane to the cochlea. A renewed interest in treatments for eustachian tube dysfunction has led to a demand for methods of imaging the Eustachian tube, and assessing tube opening non-invasively

Patulous eustachian tube can be diagnosed with history alone, although the physical exam may also be helpful. Prominent symptoms include audible respiratory sounds, a sensation of plugged ear, a feeling of aural fullness with fluctuations, tinnitus synchronous with respiration and autophony (defined as the perception of sounds coming from one's own voice and breath) The eustachian tube is a small passageway connecting your throat to your middle ear. When you sneeze, swallow, or yawn, your eustachian tubes open. This keeps air pressure and fluid from building up inside your ear. Sometimes, though, a eustachian tube might get plugged, which is known as eustachian tube dysfunction Flute is a diagnostic middle ear analyzer, capable of performing incredibly fast and reliable automatic sequences of tympanometry and reflex threshold tests,..

Eustachian tube dysfunction is estimated to occur as a chronic condition in approximately 4% of adults worldwide, but it is an intermittent problem in an unknown higher percentage ( Clin Otolaryngol. 1992;17:317-321). The condition is multifactorial. In many cases, inflammation of the mucous membranes in and around the Eustachian tube produces. A cholesteatoma is an abnormal, noncancerous skin growth that can develop in the middle section of your ear, behind the eardrum. It often develops as a cyst that sheds layers of old skin and may. Methods: A prospective longitudinal study was conducted of a series of consecutive patients undergoing surgery for patulous eustachian tube. Under transnasal endoscopic guidance, using a combination of fat plugging, endoluminal cauterization, and suture ligation, 14 ears underwent surgical treatment during a 4-year period

Eustachian tube; anatomy test & disorders 8

The eustachian tube is a narrow one and a half inch long channel connecting the middle ear with the nasopharynx, the upper throat area just above the palate, in the back of the nose. The eustachian tube functions as a pressure equalizing valve for the middle ear which is normally filled with air I am scheduled for a CT with contrast dye at the end of this month. My ENT's rationale is to determine if there is bone dehiscience (breakdown) around the ear, or if there is a small growth on the eustachian tube. He says that is the gold-standard test and I am grateful he is taking this seriously and being thorough Free UK Delivery on Eligible Order The eustachian tube is a small canal that connects the middle ear to the back of the nose and upper throat. It serves as a mechanism to equalize air pressure in the middle ear with outside pressure. Eustachian tube dysfunction (ETD) occurs when the tube fails to open (stuck closed) during swallowing or yawning resulting in a difference between.

What is eustachian tube dysfunction - SlideShar

  1. Objective: The eustachian tube (ET) has two important functions, ventilation and clearance of the middle ear. We evaluated the ET ventilator function by the sonotubometry and the inflation-deflation test that are widely used today, and the ET clearance function by the saccharin test
  2. Presentation and eustachian tube function test results in children evaluated at a specialty clinic. Laryngoscope, 129 (2019), pp. 1218-1228. CrossRef View Record in Scopus Google Scholar. 57. A. Llewellyn, G. Norman, M. Harden, et al. Interventions for adult Eustachian tube dysfunction: a systematic review
  3. Objective: There is no agreement on the best clinical test for Eustachian tube (ET) dysfunction. Numerous tests have been developed to detect ET opening, and all require a patient to perform a Valsalva, Toynbee or sniff maneuver, or to swallow on demand. We aimed to characterize existing tests of ET function in healthy ears, and identify the optimal method and patient maneuver for each test

How do I perform a Eustachian tube function test? Laura

• A simple impedance method to evaluate Eustachian tube function has been reported. The principle of the test consists of recording the impedance of the eardrum during Valsalva's maneuver and during swallowing. By this procedure, the inflow and outflow of air through the tube is recorded as a simple.. Do your ears feel plugged or full?Are sounds may seem muffled?Popping or clicking sensation in your ears?Do you have tinnitus?Difficulty clearing your ears a..

Eustachian Tube Dysfunction Johns Hopkins Medicin

Individuals with Eustachian tube problems may experience difficulty equalizing their middle ear pressure when flying. During airplane travel the ears are subject to large swings in barometric pressure. As you ascend, the cabin air pressure drops and a relative positive pressure builds up in the middle ears. For most people, this pressure easily. Although the name sounds complicated, Eustachian tube is actually an auditory tube that helps connect the pharynx to the middle ear. Also called pharyngotympanic tube, it is a part of the middle ear. Eustachian tube is named after an Italian anatomist of the 16th century, Eustachius. The length of the tube is about 35 mm with about 3 mm. I have had tinnitus for 6 months, I've had all the testing done as of MRI and hearing test. My MRI is normal and so is my hearing. He told me today that he looked into my hearing test and seen where my right ear had pressure and he says I have eustachian tube dysfunction, he doesn't know if that is what's causing the tinnitus Common among swimmers, the Valsalva maneuver is another natural remedy to help clear the eustachian tube blockage. Because swimmers often encounter problems associated with water in the ears, sinus cavities, and e ucstachian tube complications, most have developed a means of helping relieve clogging and pressure Eustachian tube problems and the associated ear infections are among the most common problems seen by health-care professionals. Many people have chronic problems regulating middle ear pressure. The Eustachian tube can be blocked, or obstructed, for a variety of reasons, for example: The most common cause is a cold (upper respiratory infection)

The human Eustachian tube is of immense importance in regulating the cavity of the middle ear as well in contributing to voice modulation. The tensor tympani muscle, the muscle connecting the tympanic membrane with the upper end of the Eustachian tube, opens the normally-closed isthmus by yawning, swallowing, and less dependably by chewing The Eustachian Tube (ET) is a small passage way that connects the middle ear to the nasopharynx. The tube is usually closed and opens when a person eats, swallows, yawns or attempts to pop his or her ears. The tube function to equalize the pressure between the ear and the surrounding environment ANATOMY AND PATHOPHYSIOLOGY OF THE PATULOUS EUSTACHIAN TUBE. The ET is an organ composed of a skeleton made of cartilage and bone and associated muscles, fat, connective and lymphoid tissues, nerves, and blood supply. 2 The normal ET is maintained at a closed resting position, and opens by voluntary and nonvoluntary maneuvers, such as swallowing; yawning; and deliberate manipulations of the.

Eustachian Tube Dysfunction Tests Robert W

Chronic obstructive Eustachian tube dysfunction (ETD) is a common disorder of the middle ear. In recent years, two main diagnostic tools have become available: Eustachian tube score (ETS-7) and computed tomography (CT) combined with Valsalva maneuver. The aim of this study is to evaluate the outcomes of ETS-7 and CT in a group of patients affected by middle ear atelectasis with a strong. Ear infection is the most frequent diagnosis in sick children in the U.S., especially affecting infants and preschoolers. Except for wellness baby visits, ear infections are the most common reason for trips to the pediatrician, accounting for approximately 30 million doctor visits a year in the U.S As mentioned, Eustachian Tube Dysfunction (ETD) is often the most common cause of fluid behind eardrum, adults group especially. The Eustachian tube delivers three essential physiological functions within the body, which is the equilibration of pressure between the external and middle ears, secretion and cleansing, and protection of the middle ear A promising new treatment called eustachian tube balloon dilation has been described in March 2011 to address eustachian tube dysfunction at the source surgically rather than indirectly with tube placement across the eardrum. In essence, a balloon is inserted into the eustachian tube and than inflated thereby opening it up (the balloon is. ETD is relatively common and may happen for a variety of reasons. The most common cause is an inflammation of the Eustachian tube, which leads to a build-up of mucus or fluid. This can be from something as simple as a common cold or the flu. Sinus infections, seasonal allergies and hay fever can also affect the Eustachian tube

Eustachian tube, anatomy, test and disorders, dr

How Do I Perform a Eustachian Tube Function Test? - YouTub

The eustachian tube opens when we chew, swallow or yawn, allowing this fresh air to flow into the ear and the stale air in the ear to flow out. The eustachian tube is approximately 3-4cm long and provides a way for the body to drain the ear as necessary. In addition to providing a fresh supply of air to the middle ear, the eustachian tube. PET is a condition in which the Eustachian tube, which is usually closed, opens on an irregular basis. This sporadic opening and closing results in patients hearing themselves breathe loudly and other self-generated sounds. PatulEND ® is a pure nutrient vitamin supplement developed by the Ear Foundation of Santa Barbara and under the direction. Before the test, the ear must be visually examined with an otoscope for structural abnormalities, obstructions, or ear wax. In order to perform a tympanometry measurement a hand-help probe is placed into the ear canal using an appropriate sized ear tip. During the test, a tone of 226 Hz is presented to the ear canal by means of the probe. This. With one button press, immittance test results are transferred from the TympStar Pro to GSI Suite software where audiometric, tympanometric, and OAE test results may be combined into a single comprehensive report. Viewing tympanometry, reflex, and Eustachian tube function results assist the clinician with explaining the middle ear evaluation Eustachian tube dysfunction (ETD) occurs when there is a chronic blockage of the eustachian tube with ongoing symptoms of feeling of fullness of the ear, clicking or crackling sounds in the ear, hearing may become muffled and there may be ear pain or discomfort. The eustachian tube joins the middle ear to the back of the throat, normally it is.

What is eustachian tube dysfunctionEustachian tube

Eustachian Tube: Anatomy, Location, and Functio

Increased fluid pressure can push closed the Eustachian tube, which passes very close to the back of the TMJ. If it has been pushed closed for long, it can become narrowed in that area. Subsequently it can be blocked by a cold, allergy, or anything else that causes inflammation of the inner lining of the tube and thereby further narrows its lumen Symptoms of a blocked eustachian tube include feelings of dizziness, hearing problems, a ringing or popping sensation in the ears, pain in the ears, or ears that feel full. A physician can look at the ears and determine if the eustachian tubes are blocked. It is very easy to open blocked eustachian tubes by closing the mouth, holding the nose. Patulous eustachian tube (PET) was first described by Schwartze in 1864. 1 The Eustachian tube (ET) remains ordinarily closed and opens transiently during swallowing, yawning, and other voluntary or involuntary efforts. Patulous eustachian tube is a clinical condition characterized by abnormal patency of the valve of ET at rest The Eustachian tube runs from the anterior wall of the middle ear cavity to open into the nasopharynx . The nasopharyngeal and tympanic ends are wider than the middle of the tube, with the bony isthmus being the narrowest portion. The Eustachian tube passes superiorly, posteriorly, and laterally from the nasopharynx . Its total length in adults.

Eustachian tube balloon dilation is a new option for adults with chronic Eustachian tube blockage. Using techniques similar to balloon sinus dilation, the surgeon passes a balloon catheter through the nose and dilates the Eustachian tube. Although this is described as dilating or stretching the Eustachian tube, the benefit is more likely due to. Eustachian tube dysfunction (ETD) is a common medical issue, occurring in at least 1 % of the adult population. Patients suffering from ET dysfunction typically present with complaints of hearing loss or sensation of pressure or plugged ear, which can lead to impaired quality of life. Over time ETD can result in conductive hearing loss or choleastatoma formation The eustachian tube can remain closed for a variety of reasons. A non- functioning eustachian tube will prevent the air in the middle ear space from being exchanged with the ambient air. The result is known as atelectasis, i.e. the tissues of the middle ear begin absorbing the air in the middle ear. Atelectasis leads to a displacement of th The eustachian tube is a narrow passage connecting the back of the nose and the middle ear (the air containing space behind the eardrum). Its function is to equalise the pressure on either side of the eardrum and drain any fluid or congestion from the middle ear. Equal air pressure on either side of the eardrum allows optimum hearing Ear Fluid and Plugged Feeling. Djalilian, Hamid R. MD. Author Information. Dr. Djalilian is director of neurotology and skull base surgery and associate professor of otolaryngology and biomedical engineering at the University of California, Irvine. The Hearing Journal: March 2015 - Volume 68 - Issue 3 - p 26,30,31