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Patulous Eustachian tube sounds very similar to the standard congestion one gets from a cold or allergies, though there are subtle differences. The effect is often described as "drier"; with normal congestion, breathing and talking echo in the head with a muffled sound. With patulous Eustachian tube, all breaths echo on the eardrum without the muffled effect. Similarly, external noises such as the voices of other people are also not muffled. In addition, patulous Eustachian tube generally feels dry with no clogged feeling or sinus pressure.
Some patients with this condition are debilitated by the perceived volume of their voice, causing them to speak very quietly. Their own voice may also sound lower to other people, because with the trachea has more volume when the Eustachian tube is open. The patient may also sound as if they have congestion when speaking. Some sufferers may have difficulty in normal activities. Increased breathing rate, such as that brought on by physical activity, would cause more air to be pushed onto the eardrum more frequently, which can become quite loud and sometimes lead to a period of increased tinnitus after exertion.
Patulous Eustachian tube is a physical disorder. The exact causes may vary depending on the person. Weight loss is a commonly cited cause of the disorder due to the nature of the Eustachian tube itself. Fatty tissues hold the tube closed most of the time in healthy individuals. When circumstances cause overall body fat to diminish, the tissue surrounding the Eustachian tube shrinks and this function is disrupted. While this is seen in severe cases of anorexia nervosa, it may also happen with very small amounts of weight loss in individuals with no eating disorder.
Activities and substances which dehydrate the body have the same effect and are also possible causes of patulous Eustachian tube. Examples are stimulants (including caffeine) and exercise. Exercise may have a more short-term effect than caffeine or weight loss in this regard.
Pregnancy can also be a cause of patulous Eustachian tube due to the effects of pregnancy hormones on surface tension and mucous in the respiratory system.
Patients with patulous eustachian tubes complain of aural fullness, humming tinnitus, and autophony. They also may hear their own breath sounds, which is known as tympanophonia. The sound is synchronous with nasal respiration and resolves when the patient is supine or when upper respiratory tract inflammation occurs. The sounds may be aggravated by mastication.
Symptoms are usually absent when the patient is supine or relieved when the patient bends forward with the head between the knees. For this reason, patients should not be examined in a supine position. Physical examination may reveal a tympanic membrane that moves during forced breathing through one nostril, and an amorphic sound may be heard using a diagnostic tube in the patient's ear.
The eustachian tube is usually closed, and closure is maintained by the elasticity of its cartilage, mucosal lining, surrounding muscles and fat. Alteration of any of these anatomic components may cause patulous eustachian tubes.
Conditions associated with patulous eustachian tubes include: radiation therapy, hormonal therapy, pregnancy, nasal decongestants, fatigue, stress, and weight loss.
Patulous eustachian tubes in the most severe form may be patent at all times, whereas a less severe form has been reported, where the tube is anatomically closed at rest, but may open easily during exercises or in association with a decrease in peritubal extracellular fluid.
My ear issues, pressure, pain, heartbeat in ear seem to worsen when my thyroiditis flares up. For several months, it was like I was on an airplane.
Anyway, it is much better now that I have begun thyroid meds, am following a strict thyroid diet (no soy in ANY form, no gluten, no raw broccoli, no raw cabbage) and taking vitamins for thyroid wellness.
It still comes back from time to time, but my ears aren't clogged anymore.
Anyway, it is much better now that I have begun thyroid meds, am following a strict thyroid diet (no soy in ANY form, no gluten, no raw broccoli, no raw cabbage) and taking vitamins for thyroid wellness.
It still comes back from time to time, but my ears aren't clogged anymore.
:) Tamra