Myringotomy (from Latin myringa "eardrum") is a surgical procedure in which a tiny incision is created in the eardrum to relieve pressure caused by excessive buildup of fluid, or to drain pus from the middle ear. A tympanostomy tube is inserted into the eardrum to keep the middle ear aerated for a prolonged time and to prevent reaccumulation of fluid. Without the insertion of a tube, the incision usually heals spontaneously in two to three weeks. Depending on the type, the tube is either naturally extruded in 6 to 12 months or removed during a minor procedure.

2. Dr.Asmatullah Achakzai
MBBS, DLO, MCPS, FCPS
Senior Registrar ENT civil hospital Quetta

3. Common Ear (Otologic) Surgeries
 Myringotomy and gommet insertion.
 Myringoplasty.
 Tympanoplasty.
 Cortical mastoidectomy.
 Modified radical mastoidectomy.
 Radical mastoidectomy.
 Stapedectomy.

6. Myringotomy and gommet insertion.
 Myringotomy is the incision of the tympanic
membrane in order to drain suppurative or non
suppurative effusion of the middle ear or to
provide aeration in case of malfunctioning
Eustachian tube. This procedure may be combined
with insertion of a ventilation tube or grommet
which keeps the opening patent

7. Functions of tympanostomy tube
 Eustachian tube bypass
 Support function of aeration and drainage

8. Disadvantage of tympanostomy tube
 Promote otitis media in children
 Contamination from EAM
 Does not serve barrier protection

9. Indications for Myringotomy
 Acute suppurative otitis media
 Serous otitis media
 Aero otitis media
 Atelectatic ear

10. Contraindications
 Suspected intra-tympanic glomus tumor
Aneasthesia
 General anaesthesia
 Local anaesthesia

11. Steps of Operation

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