Disorders Of Nose + Paranasal Sinuses Flashcards
Acute sinusitis :
Diseases
- Acute viral/BACTERIAL rhinosinusitis
- Nasal Vestibulitis / S. Aureus nasal colonization
- Invasive fungal sinusitis
Acute Bacterial Rhinosinusitis:
Path
- Ostemeatal complex obstruction (sinus pore)
* Impaired mucocilliary clearance
Acute Bacterial Rhinosinusitis:
Top 4 bugs
S. PNEUMONIA
H. INFLUENZA
M. Catarrhalis
S. Aureus
also anaerobe, strep, fungus
Acute Bacterial Rhinosinusitis:
Etiology
Specific to community
Acute Bacterial Rhinosinusitis:
Presentation
Purulent discharge Facial pain/pressure Nasal obstruction Acute s/s onset Min 10 days
W/ cough, malaise, fever, headache
Dx Sinusitis:
2 major S/S
Or
1 major 2 minor S/S
Acute Bacterial Rhinosinusitis:
Tx
NSAID Oral/nasal decongestants (Pseudoeph/ oxymetazoline) Intranasal corticosteroids 5 days Systemic oral ABX (amoxi, TM-SLF)
Sinusitis
Acute vs. Chronic
Acute - <4 weeks
Chronic - >12 weeks
Chronic sinusitis
DX
>12 weeks Objective (PE) evidence - mucosal inflammation \+ 2/4 signs: *Nasal mucupurulent drainage *Nasal obstruction/cong *Facial pain/pressure *Smell loss (kids - cough)
Chronic Sinusitis :
Etiology
Children + adults
Chronic sinusitis:
Tx
No cure
- Intranasal saline
- Topical/systemic steroid
- ABX (topical/syst) - Amoxi-clav or clinda (allergy)
- Antileukotriene (Montelukast)
- Surgery - AFRS
- refer - refractory
Allergic rhinitis:
Etiology
1/6 - 1/2 americans
Allergic Rhinitis :
Path
Exposure airborne allergen
Immune response
Cells - proinflammatory mediators
Allergic rhinitis
Cause - early spring
Tree pollens
Allergic rhinitis :
Spring/summer
Grass pollens