J Rhinol.  2018 Nov;25(2):63-68. 10.18787/jr.2018.25.2.63.

The Predictive Factors of Olfactory Changes after Endoscopic Sinus Surgery

• Ye MK

• KMID: 2431217
• DOI: http://doi.org/10.18787/jr.2018.25.2.63

Abstract

Olfactory dysfunction is one of the most common complaints of patients with chronic rhinosinusitis. Patients who suffer from olfactory dysfunction report a negative effect on their overall quality of life. Chronic rhinosinusitis-related olfactory impairment is the most treatable form of olfactory disorder; however, outcomes after endoscopic sinus surgery (ESS) are challenging to predict. Previous studies have documented a wide range in overall improvement after ESS. The purpose of this study is to review the factors that predict changes in olfaction after ESS.

Keyword

Olfaction disorders; Sinusitis; Surgical procedures; Operative; Outcome assessment

MeSH Terms

Humans
Olfaction Disorders
Quality of Life
Sinusitis
Smell

Figure

• 

  Fig. 1 Postoperative trends in olfactory improvement by olfactory status. SIT: Smell Identification Test (adapted from reference5)).

• 

  Fig. 2 Olfactory function expressed as the mean threshold-discrimination-identification (TDI) score of the 116 patients who underwent Endoscopic Sinus Surgery in relation to previous sinus surgeries. TDI score significantly stepwise improved in both groups (both p<0.001), with a similar pattern between patients (p value for interaction <0.001) (adapted from reference18)).

• 

  Fig. 3 Time series variation of improvement rates (%) at 3rd, 6th, 12th, 24th month after ESS. Note that olfaction was maintained after ESS in NECRS group, while patients in ECRS group showed a transient improvement, but then deteriorated. ECRS: eosinophilic chronic rhinosinusitis, NECRS: non-eosinophilic chronic rhinosinusitis (adapted from reference32)).

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