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Erschienen in: European Archives of Oto-Rhino-Laryngology 7/2019

01.04.2019 | Rhinology

Correlation of tissue eosinophil count and chemosensory functions in patients with chronic rhinosinusitis with nasal polyps after endoscopic sinus surgery

verfasst von: Lichuan Zhang, Chunhua Hu, Zhifu Sun, Pengfei Han, Xingyu Han, Haili Sun, Dawei Wu, Qianwen Lv, Xiaoguang Yan, Wei Yu, Thomas Hummel, Yongxiang Wei

Erschienen in: European Archives of Oto-Rhino-Laryngology | Ausgabe 7/2019

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Abstract

Purpose

To investigate the correlation of tissue eosinophil count and chemosensory functions in patients with chronic rhinosinusitis with nasal polyps (CRSwNP) after endoscopic sinus surgery (ESS).

Methods

This was a cross-sectional study including 40 patients with a history of ESS for CRSwNP recruited consecutively. Visual analog scale score and the Lund–Kennedy endoscopic score were recorded. Biopsies of the ethmoidal sinus mucosal were performed and evaluated. Chemosensory functions were measured by Sniffin’ Sticks and chemosensory event-related potentials (CSERP). The associations between chemosensory functions and tissue eosinophil count were analyzed using Spearman correlation and partial correlation after adjusting the confounding factors. Kendall’s tau-b correlation was performed between sneezing score and CSERP with ethyl alcohol (EAL) stimulation.

Results

Olfactory and trigeminal nerve function was successfully evaluated using CSERP. Postoperative tissue eosinophil count was correlated with threshold (T) score (partial correlation coefficient r = − 0.460, p = 0.012) and CSERP peak latency for olfactory (N1: partial r = 0.471, p = 0.010; P2: partial r = 0.487, p = 0.007) and mixed olfactory–trigeminal (N1: partial r = − 0.516, p = 0.008; P2: partial r = − 0.590, p = 0.002). There were also correlations between T score and N1 latency with phenyl ethyl alcohol (PEA) (partial r = − 0.560, p < 0.001), between sneezing score and N1 latency with EAL (Kendall’s tau-b = − 0.40, p = 0.005).

Conclusions

Postoperative tissue eosinophilia is significantly associated with postoperative olfactory disorders as assessed by Sniffin’ Sticks and CSERP peak latency. Furthermore, olfaction as measured by T score correlates with olfactory ERP latency in inflammation-associated olfactory dysfunction. Trigeminal sensitivity also appears to relate to tissue eosinophilia, indicating mucosal inflammation can affect both sensory systems in the nose.
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Metadaten
Titel
Correlation of tissue eosinophil count and chemosensory functions in patients with chronic rhinosinusitis with nasal polyps after endoscopic sinus surgery
verfasst von
Lichuan Zhang
Chunhua Hu
Zhifu Sun
Pengfei Han
Xingyu Han
Haili Sun
Dawei Wu
Qianwen Lv
Xiaoguang Yan
Wei Yu
Thomas Hummel
Yongxiang Wei
Publikationsdatum
01.04.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
European Archives of Oto-Rhino-Laryngology / Ausgabe 7/2019
Print ISSN: 0937-4477
Elektronische ISSN: 1434-4726
DOI
https://doi.org/10.1007/s00405-019-05413-9

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