Chronic rhinosinusitis (CRS) poses a public health concern, associated with a significant socio-economic burden. Lasting for at least 8-12 weeks, patients with CRS report clinical features like nasal blockage or congestion, anterior/posterior nasal drip, facial pain/pressure, and/or reduction or loss of smell. Clinically, symptoms can be non-specific and mimic several other diseases like upper respiratory tract infection, allergic rhinitis, or migraine. Thus, it is essential to utilize an objective measure along with symptom assessment for appropriate diagnosis of CRS.
1 Chronic rhinosinusitis affects at least 1 in 8 individuals in India, affecting 5-15% of the urban population. 2 CRS is classified into two types based on the presence or absence of nasal polyps viz. CRS without nasal polyps (CRSsNP) and CRS with nasal polyps (CRSwNP). Up to 60% of CRS cases represent CRSsNP, and it…
