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Post-operative course prediction during endoscopic sinus surgery in patients with chronic rhinosinusitis

  • K Tsuzuki (a1), K Hashimoto (a1), K Okazaki (a1) and M Sakagami (a1)

This study aimed to analyse findings of functional endoscopic sinus surgery to estimate the post-operative course of patients with chronic rhinosinusitis.


From 2007 to 2015, 291 adult patients with bilateral chronic rhinosinusitis, divided into eosinophilic chronic rhinosinusitis (n = 210) and non-eosinophilic chronic rhinosinusitis (n = 81) groups, who underwent primary functional endoscopic sinus surgery were enrolled. Functional endoscopic sinus surgery findings, scored as operating score, were analysed in relation to pre-operative olfactory recognition threshold and sinonasal computed tomography imaging score, as well as post-operative endoscopic appearance.


Operating scores in eosinophilic chronic rhinosinusitis were significantly worse than those in non-eosinophilic chronic rhinosinusitis. The anterior ethmoid sinus and superior meatus were predominantly inflamed. Operating score significantly correlated with pre-operative olfaction recognition threshold, computed tomography score and pre-operative endoscopic appearance score. In eosinophilic chronic rhinosinusitis, higher operating scores were related to post-operative deterioration of endoscopic appearance score.


The operating score reflects the course following functional endoscopic sinus surgery. Patients with more severe operative findings require longer post-operative treatment.

Corresponding author
Address for correspondence: Dr Kenzo Tsuzuki, Department of Otorhinolaryngology – Head and Neck Surgery, Hyogo College of Medicine, 1-1 Mukogawa, Nishinomiya, Hyogo 663-8501, Japan Fax: +81 798 41 8976 E-mail:
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  • EISSN: 1748-5460
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