Type of Surgery
Information
Last updated: 11/24/2009
Morbidity following myringotomy usually takes the form of either otorrhea, which is a persistent discharge from the ear, or changes in the size or texture of the eardrum. The risk of otorrhea is about 13%. If the procedure is repeated, the eardrum...
may shrink, retract, or become flaccid. The eardrum may also develop an area of hardened tissue. This condition is known as tympanosclerosis. The risk of hardening is 51%; its effects on hearing aren't known, but they appear to be insignificant.
A report published in 2002 indicates that morbidity following myringotomy in the United States is highest among children from families of low socioeconomic status. The study found that children from poor urban families had more episodes of otorrhea following tube insertion then children from suburban families. In addition, the episodes of otorrhea in the urban children lasted longer.
Mortality rates are extremely low; case studies of fatalities following myringotomy are rare in the medical literature, and most involve adults.
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It is not uncommon for fluid to accumulate behind the eardrum (tympanic membrane). In this animation, we see the surgery used to open the tympanic membrane (myringotomy) and the placement of a drainage tube. This procedure is known colloquially as a patient "getting tubes in his ears."
During a myringotomy, an incision is made into the ear drum, or tympanic membrane (B). The fluid in the ear canal is suctioned out (C), and a small tube is put in place to allow future drainage in the event of an infection (D). (Illustration by GGS Inc.)
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Other Information
Myringotomy is a surgical procedure in which a small incision is made in the eardrum (the tympanic membrane), usually in both ears. The word comes from myringa, modern Latin for drum membrane, and tomē, Greek for cutting. It is also called myringocentesis, tympanotomy, tympanostomy, or paracentesis of the tympanic membrane. Fluid in the middle ear can be sucked out through the incision.
Ear tubes, or tympanostomy tubes, are small tubes, open at both ends, that are inserted into the incisions in the eardrums during myringotomy. They come in various shapes and sizes and are made of plastic, metal, or both. They are left in place until they fall out by themselves or until they are removed by a doctor.
Other Information
Adenoid surgery is very safe, but every operation and anaesthetic has a small risk. This is much the same as the risks of everyday life. For example, crossing the road, driving a car, flying in a plane.
-P H Jones
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