International forum of allergy & rhinology · 2015
The Olfactory Cleft Endoscopy Scale correlates with olfactory metrics in patients with chronic rhinosinusitis.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Soler Zachary M, Hyer J Madison, Karnezis Tom T, Schlosser Rodney J
Аннотация
BACKGROUND: Olfactory loss affects a majority of patients with chronic rhinosinusitis (CRS). Traditional objective measures of disease severity, including endoscopy scales, focus upon the paranasal sinuses and often have weak correlation to olfaction.
METHODS: Adults with CRS were prospectively evaluated by blinded reviewers with a novel Olfactory Cleft Endoscopy Scale (OCES) that evaluated discharge, polyps, edema, crusting, and scarring of the olfactory cleft. Objective olfactory function was assessed using "Sniffin' Sticks" testing, including composite threshold-discrimination-identification (TDI) scores. Olfactory-specific quality of life was evaluated using the short modified version of the Questionnaire of Olfactory Disorders (QOD-NS). Interrater and intrarater reliability was assessed among 3 reviewers for OCES grading. Multivariate linear regression was then used to test associations between OCES scores and measures of olfaction, controlling for potential confounding factors.
RESULTS: The OCES score was evaluated in 38 patients and had a high overall reliability (intraclass correlation coefficient [ICC] = 0.92; 95% confidence interval [CI], 0.91 to 0.96). The OCES significantly correlated with objective olfaction as measured by TDI score (p < 0.001), with TDI score falling by 1.13 points for every 1-point increase in OCES score. Similar significant associations were found for threshold, discrimination, and identification scores (p < 0.003 for all) after controlling for age, gender, race, and reviewer/review. The OCES was also highly associated with patient-reported QOD-NS scores (p = 0.009).
CONCLUSION: A novel olfactory cleft endoscopy scale, OCES, shows high reliability and correlates with both objective and patient-reported olfaction in patients with CRS. Further studies to determine prognostic value and responsiveness to change are warranted.
METHODS: Adults with CRS were prospectively evaluated by blinded reviewers with a novel Olfactory Cleft Endoscopy Scale (OCES) that evaluated discharge, polyps, edema, crusting, and scarring of the olfactory cleft. Objective olfactory function was assessed using "Sniffin' Sticks" testing, including composite threshold-discrimination-identification (TDI) scores. Olfactory-specific quality of life was evaluated using the short modified version of the Questionnaire of Olfactory Disorders (QOD-NS). Interrater and intrarater reliability was assessed among 3 reviewers for OCES grading. Multivariate linear regression was then used to test associations between OCES scores and measures of olfaction, controlling for potential confounding factors.
RESULTS: The OCES score was evaluated in 38 patients and had a high overall reliability (intraclass correlation coefficient [ICC] = 0.92; 95% confidence interval [CI], 0.91 to 0.96). The OCES significantly correlated with objective olfaction as measured by TDI score (p < 0.001), with TDI score falling by 1.13 points for every 1-point increase in OCES score. Similar significant associations were found for threshold, discrimination, and identification scores (p < 0.003 for all) after controlling for age, gender, race, and reviewer/review. The OCES was also highly associated with patient-reported QOD-NS scores (p = 0.009).
CONCLUSION: A novel olfactory cleft endoscopy scale, OCES, shows high reliability and correlates with both objective and patient-reported olfaction in patients with CRS. Further studies to determine prognostic value and responsiveness to change are warranted.