Olfactory outcomes in chronic rhinosinusitis with nasal polyposis after medical treatments: a systematic review and meta‐analysis

BACKGROUND: Olfactory dysfunction is common among patients with chronic rhinosinusitis and has a negative impact upon quality of life. Olfactory dysfunction can be both subjective and objective and appears to be more predominant in patients with concomitant nasal polyposis. The efficacy of medical interventions on olfaction among patients with CRS with nasal polyposis (CRSwNP) is not well known. Our aim was to perform a systematic review with …