List of Abbreviations:
AERD: Aspirin-exacerbated respiratory disease
ARS: American Rhinologic Society
ATAD: Aspirin Treatment After Desensitization
CRSwNP: Chronic Rhinosinusitis with Nasal Polyps
CS: Corticosteroids
EGPA: Eosinophilic Granulomatosis with Polyangiitis
EPOS: European Position Paper on Rhinosinusitis and Nasal Polyps
ERS: European Rhinologic Society
ESS: Endoscopic Sinus Surgery
EUFOREA: European Forum for Research and Education in Allergy and Airway
Diseases
INCS: Intra Nasal Corticosteroids
NCS: Nasal congestion score
N-ERD: Non-steroidal anti-inflammatory-exacerbated respiratory disease
NPS: Nasal polyp score
NSAIDs: Non-steroidal anti-inflammatory drugs
PROM: Patient Reported Outcome Measure
QoL: Quality of Life
SCS: Systemic Corticosteroids
SNOT-22: Sino-Nasal Outcome Test-22
VAS: Visual Analogue Scale