Rhinology Flashcards
What is parosmia?
‘bad smell’ in nose, sign of chronic infection
How does aspirin trigger the airways?
Aspirin metabolites break down to leukotrienes, triggering a huge inflammatory response
What endoscopy is used for the nasal passage?
Flexible endoscopy
When should a nasal poly be removed?
When it actively impedes breathing
What investigations can be performed in a patient with nasal symptoms?
Blood tests CT MRI Skin tests Rhinomanometry
What blood tests can be performed in patients with nasal symptoms?
FBC ANCA ESR ACE RAST
What is the treatment for nasal polyps?
Give steroids/surgery with steroids (improves efficacy)
How is septal hematoma treated?
Drainage to prevent deformity
What is Samter’s triad?
Asthma
Aspirin Intolerance
Nasal polyps
What is the cause of nasal polyps?
Idiopathic Chronic inflammation Autonomic NS dysfunction Genetic predisposition Allergic/non-allergic
Nasal polyps are commonly comorbid with what allergic conditions?
20-50% asthma
Allergic rhinitis
8-26% aspirin intolerance
50% alcohol intolerance
Nasal polyps are commonly comorbid with what non-allergic conditions?
Cystic fibrosis 6-48% have polyps
AFS 85% have polyps
Churg-Strauss syndrome
What investigations should be performed on a child with polyps?
Sweat test - CF RAST/Skin Testing Nasal smear Coronal CT Flexible nasendoscopy
What investigations should be performed on someone with polyps?
RAST/Skin testing
Nasal smear
Coronal CT
Flexible nasendoscopy
What should be tested for on a polyp nasal smear?
Microbiology
Eosinophils (allergy)
Neutrophils (chronic sinusitis)
What is the pharmacological treatment for nasal polyps?
Oral/nasal steroids
(high dose prednisolone, 20 days, eliminated 50% of polyps)
Immunotherapy
What is the surgical treatment for nasal polyps?
Traditional polypectomy
Microdebrider
Endoscopic sinus surgery
What are the positives of sinus radiographs?
Able to find air-fluid levels
Mucosal thickening
Sinus opacification
Less expensive
What are the negatives of sinus radiographs?
Poor visualisation of osteomeatal complex/ant. ethmoid sinuses
High rate of false positives
Less accurate
How is acute sinusitis classified in adults?
Acute symptom onset
Duration <12 weeks
Symptoms resolve quickly
How is recurrent acute sinusitis classified in adults?
> 1 to <4 episodes of acute rhinosinusitis per year
Complete recovery between episodes
Symptoms free >8wks (absence of Rx)
How is chronic sinusitis classified in adults?
Symptomatic >12wks
Persistent inflammatory changes on imaging >4wks
How are acute exacerbations ofchronic sinusitis classified in adults?
Worsening of existing symptoms
Appearance of new symptoms
Complete resolution of acute symptoms between episodes
What are the microbial causes of acute rhinosinusitis?
S. pneumoniae (31%)
H. influenzae (21%)