Tuesday, April 5, 2016

ENT PROCEDURE 11 tympanoplasty

Tympanoplasty
Objective
In cases of conductive hearing loss:
   Reconstructive procedures of the tympanic membranes and middle ear structures.
Position
Supine.
Anesthesia
General or local.
Procedure
1.  The tympanic membrane is incised and reflected.
2.  The pathology within is assessed.
3.  Mastoidectomy may be required.
4.  Diseased tissues including atrophic epithelium, fibrotic tissue and damaged ossicles are excised.
5.  The ossicular conduction system is reconstructed using artificial materials, homograft, ossicular bone or fragments of the ossicles.
6.  Myringoplasty is performed utilizing temporalis fascia.
7.  Skin flaps, if employed, may be sutured.
8.  A protective dressing is applied.
Instruments
   Basic ear set
   Drill (e.g. microm, stryker), burrs, and cord
   Basin set
   Blades (3) No. 15
   Needle magnet or counter
   Suction tubing
   Gelfoam (cut 1 × 1 mm)
   Control syringes (2) 5 ml
   Local anesthetic with epinephrine
   Needles 27 gauge (1 1/2"), 25 gauge (1")
   Sterile, drape

   Bulb syringe.

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