
	Where results make sense

Topic: Eustachian tube

Related Topics

Valsalva maneuver

Ossicles

Semicircular canal

Gill

Meningitis

Food

List of biomedical topics, A to E

Perpendicular

Russian revolution

In the News (Mon 16 Nov 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Eustachian tube - Wikipedia, the free encyclopedia
		In adults the Eustachian tube is approximately 35 mm long.
		Normally the Eustachian tube is closed, but it can open to let a small amount of air through to equalize the pressure between the middle ear and the atmosphere.
		The Eustachian tube is derived from the first pharyngeal pouch, which during embryogenesis forms a recess called the tubotympanic sulcus.
	en.wikipedia.org /wiki/Eustachian_tube (543 words)

	Eustachian Tube Function and Dysfunction:
		The eustachian tube is composed of an osseous and a cartilaginous portion.
		The osseous eustachian tube or protympanum measures 11 to 14 mm and extends from the anterior and medial portion of the petrous temporal bone.
		Eustachian tube obstruction in the infant cleft palate.
	www.bcm.edu /oto/grand/71196.html (3884 words)

	eMedicine - Eustachian Tube Function : Article by Emad Massoud, MBBCh, MSc, FRCSC
		The cartilaginous eustachian tube is attached to the skull base in a groove between the petrous part of the temporal bone and the greater wing of the sphenoid.
		The lumen of the eustachian tube is roughly triangular, measuring 2-3 mm vertically and 3-4 mm horizontally.
		The tensor veli palatini separates the eustachian tube from the otic ganglion, the mandibular nerve and its branches, the chorda tympani, and the middle meningeal artery.
	www.emedicine.com /ent/topic359.htm (3787 words)

	Spineandcord
		The eustachian tube joins the middle ear, which is responsible for amplification of sound to the nasopharynx or the back of the nose.
		The ventilation tubes are anywhere from 3-8 mm and are inserted in the eardrum, either in the office using a local anaesthetic or in hospital using a general anaesthetic.
		Tubes are not perfect, they require you to avoid getting water in the ears (ie ear plugs), and when they do fall out there is a very small risk that a hole can remain in the ear drum which does not heal.
	www.lpo.on.ca /tubes.htm (714 words)

	[No title]
		D. Allergy and Eustachian Tube Function - instead of the allergic rhinitis patient having an increased incidence of OM from reflux of nasal secretions into the middle ear, it is believed that the primary cause of OM in these patients is due to allergic inflammation of the ET causing a functional obstruction.
		E. Eustachian Tube Function related to Cleft Palate - the eustachian tube in patients with both repaired and unrepaired cleft palates suffer from a functional obstruction of the ET.
		Jahn, AF and Santos-Sacchi, J. "Physiology of the Eustachian Tube and Middle Ear Pressure Regulation." Physiology of the Ear.
	www.utmb.edu /oto/Grand_Rounds_Earlier.dir/Eustachian_Tube_1992.txt (1888 words)

	Eustachian Tube Patency
		The eustachian tube is a structure that goes from the space behind the eardrum and empties into the backmost part of the nasal cavity.
		The normal eustachian tube is closed at its opening into the nasopharynx and is opened by contraction of muscles in the palate during the act of swallowing, yawning, or forward jaw movement.
		In the case of a patulous eustachian tube, the pressures generated during breathing are transmitted through the middle ear space to the eardrum, and therefore, the eardrum moves in and out in concert with respiration.
	www.drlouryent.com /Pages/PatientServices/1044.html (874 words)

	Eustachian Tube Problems-Hearing and Ear Disorders
		The eustachian tube is a narrow channel which connects the middle ear with the nasopharynx (the upper throat area just above the palate and behind the nose).
		The eustachian tube functions as a pressure equalizing valve for the middle ear, which is normally filled with air.
		This procedure involves placing a tube in the eardrum overlying the opening to the eustachian tube, after the eustachian tube and middle ear have been visualized and inspected with an oto-endoscope (a small thin scope that allows the physician to visualize the middle ear structures with magnification and high resolution).
	www.earsoftexas.com /eustach.htm (1357 words)

	House Clinic - Hearing Disorders - Eustacian Tube Problems
		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 lining membrane (mucous membrane) of the middle ear and eustachian tube is connected with, and is the same as, the membrane of the nose, sinuses and throat.
		Abnormal patency of the eustachian tube is a condition occurring primarily in adults, in which the eustachian tube remains "open" for prolonged periods.
	www.houseearclinic.com /eustachiantube.htm (2513 words)

	Eustachian tube dysfunction
		Eustachian tube function changes with age, and some disorders may derive from this (Suzuki et al, 2003).
		Eustachian tube function may be poor for several months after a bout of otitis media (Caye-Thomasen and Tos 2004).
		The patulous (open too much) eustachian tube is also diagnosed by noting that people have autophony (hear their own voice in their ear), an abnormal resonance to the voice (due to the tube being open), or the simple expediant of watching the ear drum move while the person breathes.
	www.dizziness-and-balance.com /disorders/symptoms/etdysfunction.htm (671 words)

	Jackson Ear Clinic
		In the front of the middle ear, there is a tube that leads from the back of the nose to the middle ear and connects these two chambers, called the Eustachian tube.
		The use of nasal sprays to shrink the swelling of the opening of the Eustachian tube in the back of the nose, as well as decongestants, is often helpful in relieving the problem.
		These tubes usually remain in place for six months to two years and are naturally extruded from the eardrum as it grows.
	www.jacksonearclinic.com /pages/piTubes.htm (1825 words)

	Eustachian Tube Problems Glossary of Terms with Definitions on MedicineNet.com
		The function of the Eustachian tube is to protect, aerate and drain the middle ear (and mastoid).
		The Eustachian tube is also called the otopharyngeal tube (because it connects the ear to the pharynx) and the auditory tube (and in Latin, the tuba acustica, tuba auditiva, and tuba auditoria).
		The Eustachian tube permits the gas pressure in the middle ear cavity to adjust to external air pressure (so, as you're descending in a plane, it's the Eustachian tube that opens when your ears "open").
	www.medicinenet.com /eustachian_tube_problems/glossary.htm (1974 words)

	AllRefer.com - Eustachian tube (Anatomy And Physiology) - Encyclopedia
		Eustachian tube[yOOstA´shun] Pronunciation Key [for Bartolomeo Eustachi], a hollow structure of bone and cartilage extending from the middle ear to the rear of the throat, or pharynx, technically known as the pharyngotympanic or auditory tube.
		The tube may also serve as a pathway to the ear for infections of the throat.
		The tube tends to be shorter and more horizontal among children, factors which facilitate the spread of infections from upper respiratory diseases to the middle ear, as well as the accumulation of fluids in the region.
	reference.allrefer.com /encyclopedia/E/Eustachian.html (266 words)

	Eustachian tube definition - Medical Dictionary definitions of popular medical terms
		The shorter length and the horizontality of the Eustachian tube in infancy protects the middle ear poorly, makes for poor drainage of fluid from the middle ear, and predisposes infants and young children to middle ear infection.
		The Eustachian tube in the adult is opened by two muscles (the tensor palati and the levator palati) but the anatomy of children permits only one of these muscles (the tensor palati) to work.
		The tube serves to adjust the pressure of the air within the middle ear to that of ambient air.
	www.medterms.com /script/main/art.asp?articlekey=8525 (596 words)

	The Eustachian Tube - CIPRODEX® Otic // Consumers & Patients (Site not responding. Last check: 2007-10-31)
		Comparison of the eustachian tube angle and length between an adult and a young child.
		In addition to allowing drainage, the eustachian tube is responsible for maintaining the air pressure within the middle ear so that it is the same as the atmospheric pressure.
		The shorter, more horizontal eustachian tubes in children may not always close tightly enough to prevent mucus and bacteria in the nasal cavity from traveling into the middle ear.
	www.ciprodex.com /consumer/eustachian_tube.asp (385 words)

	Department of Otolaryngology l Clinics
		The eustachian tube is a structure which is poorly understood.
		The single factor which causes the greatest damage to the eustachian tube is tobacco smoke.
		Eustachian tube dysfunction can lead to ear pain, hearing loss and in some cases more severe forms of ear disease.
	www.med.umn.edu /otol/OTO_HTM/CLINICS/clinics_otology_neurology/physiology/u_tube/physiology_u_tube.shtml (456 words)

	Abnormality of the Eustachian tube (Site not responding. Last check: 2007-10-31)
		The Eustachian tube is the connective medium leading from the middle ear to the back of the throat, and to the nose.
		This tube is also called the auditory opening; when we yawn or swallow, the Eustachian tube adjusts the air pressure in the middle ear to the external stimuli.
		Children's Eustachian tubes are narrower and shorter, that's why most of their sinusitis and throat disorders are typically accompanied by an ear infection, particularly tinnitus.
	www.sinuswars.com /tinnitus/Eustachian_tube_Abnormality.asp (175 words)

	Ear Tubes Myringotomy and Tubes
		The goal of ear tubes is to provide adequate ventilation of the middle ear space since blockage of the eustachian tube and subsequent pressure changes caused the problems in the first place.
		With an ear tube in place, a route for water to enter the middle ear is present and this can lead to recurrent infections.
		Children will usually outgrow the need for tubes after the age of 7 as their skull develops and the eustachian tube resembles its adult configuration.
	www.drsinha.com /ear_tubes.htm (629 words)

	Eustachian tubes can easily clog - "Ask the Doctor"
		A You are having problems with your eustachian tubes, which carry air from the throat to the middle ear in order to equalize pressure on both sides of the ear drum.
		During a cold, illness or seasonal allergy, the eustachian tube becomes congested and swollen so that it may temporarily close; this prevents air flow behind the ear drum and causes ear pressure, pain or popping just as you experience with altitude change when traveling on an airplane or an elevator.
		If the eustachian tube remains blocked, a vacuum can develop behind the ear drum sucking it inward and allowing fluid to accumulate.
	www.healthcaresouth.com /pages/askthedoctor/eustachian.htm (532 words)

	Patulous Eustachian Tubes
		When the eustachian tube is open it allows ventilation of the middle ear and equalization of middle ear and atmospheric pressure.
		Patulous eustachian tubes often present a frustrating problem for patient.The incidence is reported to be between 0.3-6.6% of the general population.
		The Patulous Eustachian Tube remedy is prepared from natural ingredients and herbs are made into a liquid form which is then sprayed on to lactose or fructose powder.
	www.t-gone.com /tinnitus/patulous-eustachian-tubes.asp (1021 words)

	Eustachian Tube Problems — Medical information regarding problems associated with this membrane lined tube of the ear ...
		The Eustachian tube is a membrane lined tube that connects the middle ear space to the back of the nose.
		If it were not for the Eustachian tube, the middle ear cavity would be an isolated air pocket inside the head that would be vulnerable to every change in air pressure and lead to an unhealthy ear.
		Normally, the Eustachian tube is closed which helps prevent the inadvertent contamination of the middle ear by the normal secretions found in the back of the nose.
	www.medicinenet.com /eustachian_tube_problems/article.htm (406 words)

	MEI: Eustacian Tube Problems Patient Brochure
		The eustachian tube is a narrow, one and a half inch long channel in the back of the nose which connects the middle ear with the nasopharynx and the upper throat area just above the palate.
		Acute serous otitis media is usually the result of blockage of the eustachian tube from an upper respiratory infection or an attack of nasal allergy.
		Chronic serous otitis media may result from longstanding eustachian tube blockage, or from thickening of the fluids so that it cannot be absorbed or drained down the tube.
	www.michiganear.com /library/brochures/eustube (2426 words)

	Eustachian Tube Dysfunction
		Long-term blockage of the Eustachian tube leads to the accumulation of fluid in the middle ear space that further increases the pressure and hearing loss.
		Rarely, Eustachian tube blockage may be the sign of a more serious problem such as nasal polyps, a cleft palate, or a skull base tumor.
		The primary goal of surgical treatment is to bypass the Eustachian tube and re-establish ventilation of the middle ear.
	www.bcm.edu /oto/jsolab/eust_tub.htm (1539 words)

	eMedicine - Patulous Eustachian Tube : Article by Alpen A Patel, MD (Site not responding. Last check: 2007-10-31)
		In unaffected individuals, closure of the eustachian tube is maintained by luminal and extraluminal factors, which include intrinsic elasticity of the tube, surface tension of moist luminal surface, and extraluminal tissue pressure.
		With a patulous tube, sound pressure level in the external canal is at a maximum; because the tube does not close, no sudden drop in transmitted sound occurs.
		O'Connor AF, Shea JJ: Autophony and the patulous eustachian tube.
	www.emedicine.com /ent/topic208.htm (2124 words)

	AllRefer Health - Ear Barotrauma (Barotitis Media, Barotrauma, Ear Popping, Eustachian Tube Dysfunction, ...
		Swallowing or yawning opens the eustachian tube and allows air to flow into or out of the middle ear, equalizing the air pressure on both sides of the eardrum.
		If the eustachian tube is blocked, the air pressure in the middle ear is different than the pressure on the outside of the eardrum, causing barotrauma.
		Blockage of the eustachian tube could also be congenital or may occur because of swelling in the throat.
	health.allrefer.com /health/ear-barotrauma-info.html (414 words)

	eustachian tubes resources
		The Eustachian tube is a membrane lined tube that connects the middle...
		Eustachian Tube - A tube connecting the middle ear cavity and the...
		A You are having problems with your eustachian tubes, which carry air from the throat to the middle ear in order...
	www.1800md.com /md/eustachian-tubes.html (580 words)

	The TCM Explanation and Treatment of Paediatric Ear Infections - Eustachian Tube (Site not responding. Last check: 2007-10-31)
		The Eustachian tube is a narrow channel that connects the inside of the ear to the back of the throat.
		The tube is an intermittent drainage conduit to prevent the normal secretions of the middle ear from accumulating and bursting the thin eardrum.
		Normally, the tube is collapsed most of the time in order to protect the middle ear from the many organisms that live in the nose and mouth.
	www.roberthelmer.ca /einfections06.html (579 words)

	Healthopedia.com - Eustachian Tube Patency (Patulous Eustachian Tube)
		Eustachian tube patency describes a condition in which the eustachian tube is continually open.
		The eustachian tube is a structure in the ear that runs from behind the eardrum to the back part of the nasal cavity.
		Normally, the eustachian tube is closed at the back of the nasal cavity.
	www.healthopedia.com /eustachian-tube-patency (317 words)

	Dr. Koop - Eustachian tube patency
		Eustachian tube patency refers to how much the eustachian tube is open.
		The eustachian tube runs between the middle ear andÂ the throat.
		Patency is the normal state of the eustachian tube.
	www.drkoop.com /ency/93/001630.html (229 words)

	Treatment options for Eustachian tube dysfunction
		Since your Eustachian tube dysfunction is most likely (though not necessarily) due to your sinus problems, it should respond to this treatment regimen, too.
		To answer your questions, there are no operations which enlarge the Eustachian tube or provide a hole into the middle ear without penetrating the ear drum.
		My concern on tube placement is the possibility of permanent damage to the eardrum or the necessity to repair the eardrum should damage be done.
	www.doctorhoffman.com /etdlett2.htm (1157 words)

Try your search on: Qwika (all wikis)