Otitismedia

494 views
434 views

Published on

Published in: Health & Medicine, Technology
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
494
On SlideShare
0
From Embeds
0
Number of Embeds
4
Actions
Shares
0
Downloads
9
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

Otitismedia

  1. 1. OTITIS MEDIA<br />
  2. 2. Definition<br />Otitis media :inflammation of the middle ear without reference to etiology or pathogenesis<br />Acute otitis media : inflammation of the middle ear with rapid onset of one or more local or systemic signs and symptoms of acute infection within the middle ear (otalgia, otorrhea, fever, anorexia, vomiting or diarrhea)<br />Recurrent otitis media (5 to 10% of children)<br />> 3 episodes of AOM in 3 months with evidence of cure between episodes<br />> 4 episodes of AOM in 6 months<br />
  3. 3. Normaal TV<br />Acute otitis media<br />Acute otitis media<br />
  4. 4. Otitis media met efusie – secretoire otitis media<br /> glue ear … <br />
  5. 5. 5. Pathogenesis of OM<br />ET dysfunction <br />Infection<br />Host respons<br />Liberation of inflammatory mediators<br />Increase of vascular permeability<br />Increase of glandular secretion<br />Inflammation<br />Mucosal proliferation<br />
  6. 6. 1. Role of the Eustachian Tube<br />1. Pressure regulation of middle ear<br />2. Clearance ‘Drainage’ of middle ear secretions<br />mucociliary<br />muscular<br />3. Protection from sound and secretion <br />anatomic<br />immunologic and mucociliairy<br />
  7. 7. Eustachian tube<br />Usually closed<br />Opens during swallowing, yawning, and sneezing <br />Opening involves cartilaginous portion<br />Tensor veli palatini responsible for active tubal opening<br />No constrictor function<br />
  8. 8. Dysfunction : 1. Impairment of pressure regulation<br />Open <br />adenoid<br />Tumor<br />Inflammation<br />Intrinsic<br />Extrinsic<br />Functional obstruction<br />Obstruction<br />Weak TVP<br />Anatomic obstruction<br />After Bluestone<br />
  9. 9. Infection<br />ET dysfunction <br />Host respons<br />Liberation of inflammatory mediators<br />Increase of vascular permeability<br />Increase of glandular secretion<br />Inflammation<br />Mucosal proliferation<br />

×