How to protect your ears when flying

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The year of the pig is coming soon. The tourists who have been busy for a year will return home. Some choose to take buses, some choose to take trains, some choose to take high-speed rail, some choose to drive by themselves, and some choose to take airplanes. If we choose to take airplanes, we need to know in advance how to protect our ears in flight?

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Why do you need to protect your ears when flying?

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When living on land, our bodies have adapted to the air pressure in this environment, and will not feel uncomfortable or be hurt by the air pressure. However, when we get on the plane, take off into the high air or land on the ground from high altitude, with the change of altitude, the surrounding air pressure changes constantly, which can make us feel the ear tightness, pain, tinnitus, and even lead to otitis media and hearing loss. Therefore, when flying, we need to learn to protect our ears and avoid the occurrence of air pressure traumatic otitis media.

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What is barotrauma otitis media?

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In flight, because the eustachian tube ventilation function fails to adapt to the rapid change of environmental pressure, resulting in middle ear injury, which is known as “air pressure traumatic otitis media or aviation otitis media”.

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Yes, the key physiological site of this trauma is eustachian tube. Under the condition of normal eardrum, Eustachian tube is the only structure that can make middle ear ventilate and balance the internal and external air pressure; in flight, keeping eustachian tube ventilate normally is an important step to protect ears.

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How can passengers prevent air pressure trauma in their ears during flight?

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First of all, from the time when the plane takes off to the time when it can fly stably in the air, passengers can chew gum, eat, yawn, etc., which can open the eustachian tube for ventilation; air pressure trauma usually seldom occurs at this stage;

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Secondly, when the aircraft starts to descend until it lands on the ground smoothly, passengers need to do chewing gum, eating, yawning and other actions; if the eustachian tube cannot be opened smoothly at this time, the ear will feel stuffy and even painful, then “eustachian tube blowing method” (close the mouth tightly, pinch the nose on both sides, swallow) should be performed every 305 meters; the air pressure trauma is usually in this Stage occurs, be careful!

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Thirdly, if the eustachian tube function is abnormal due to upper respiratory tract infection such as cold, it is often manifested as “ear tightness and hearing loss in case of infection; after the infection is cured, hearing will recover and ear tightness will disappear”; during the inflammation, it is not suitable to fly, so it is generally recommended to fly 2 weeks after the recovery.

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Finally, if the nose and pharynx are abnormal or ill, it can hinder the ventilation of eustachian tube and affect the rapid balance of air pressure in the middle ear; such problems need to be corrected or treated to ensure the normal ventilation of eustachian tube.

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Warm tips:

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1. The eustachian tube is suitable for air pressure and normal ventilation after the aircraft flies stably.

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2. If you inhale pure oxygen in flight, you are likely to suffer from delayed air pressure damage after landing. To avoid this, you can wear a mask to inhale 3 / 4 of the pure vital air, and then take off the mask to inhale 1 / 4 of the pure vital air.

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3. If there is air pressure regulating equipment in the aircraft cabin and it is in normal use, it is unnecessary to operate the above preventive measures;

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4. Those with eustachian tube dysfunction should not be engaged in aviation work, such as pilots, air service personnel, etc.; the hearing center of a large hospital can test whether the eustachian tube function is normal;

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