Endonasal endoscopic sinus surgery is the standard procedure for surgery of most
paranasal sinus diseases. Appropriate frame conditions provided, the respective procedures …

Background Patients with eosinophilic chronic rhinosinusitis (ECRS) have been shown to
have greater disease severity and poorer treatment outcomes after sinus surgery. Although …

Background Persistent mucosal inflammation in patients with chronic rhinosinusitis (CRS)
often results in ongoing symptoms, recurrence of polypoid mucosa, infective exacerbations …

Advances in understanding the pathogenic mechanisms of both rhinitis and chronic
rhinosinusitis have resulted in new treatment options, especially for chronic rhinosinusitis. A …

Objectives The aim of this study was to investigate the surgical revision rate in patients with
chronic rhinosinusitis (CRS) in the UK CRS Epidemiology Study (CRES). Previous evidence …

Background Revision surgery rates following endoscopic sinus surgery (ESS) range
between 7% and 50% and are influenced by many factors. This study investigates ESS …

Chronic rhinosinusitis (CRS) is a common disease worldwide, with a prevalence rate of 5%-
15% in the general population. CRS is currently classified into two types: CRS with and …

Background Traditionally, it was believed that chronic rhinosinusitis with nasal polyps
(CRSwNP) demonstrated less eosinophilic and more neutrophilic inflammation in China …

Background Although remodeling changes of the lower airway are well described, similar
changes in the upper airway are less well known. Remodeling changes of the upper airway …

There is mounting evidence for CRSwNP as a predominantly inflammatory disease. Even
simple histopathological classification on the basis of degrees of tissue eosinophilia reflects …