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03-01-2022 | Original Article

Exploring the Use of the Current Perception Threshold in Pharyngeal Paresthesia Patients

Authors: Liu Xuelai, Li Xueyan, Xu Wen

Published in: Dysphagia | Issue 6/2022

Abstract

To explore pharyngeal sensory function by current perception threshold (CPT) measurement in paresthetic pharynx. In total, 58 healthy participants and 66 patients with pharyngeal paresthetic symptoms underwent CPT evaluation. Pharyngeal paresthesia (n = 66) was classified into three categories based on aetiologies: six cases with pain in pharynx; 34 neuropathic patients with glossopharyngeal nerve and/or vagus nerve or recurrent laryngeal nerve injury; and 26 patients with globus pharyngeus. CPT measurements were obtained from bilateral palatoglossal arch and tongue base at 2000, 250 and 5 Hz stimulation frequencies. Ranked from high to low, the CPT values for the bilateral palatoglossal arches and tongue bases were: lower cranial neuropathic patients, globus pharyngeus, healthy participants and patients with pain. The CPT values for neuropathic patients on the injured side were significantly higher than those on the healthy side (P < 0.05). The CPT values for patients with pain in pharynx were significantly lower than those of healthy participants (P < 0.05) when the bilateral tongue bases were stimulated. The CPT measurement is a reliable method for quantitatively assessing pharyngeal sensory function and able to differentiate pharyngeal paresthesia between lower cranial neuropathic and subjective discomfort. Pharyngeal sensory function is more sensitive in patients with pain in pharynx. Pharyngeal sensory function is significantly reduced in lower cranial neuropathic patients, especially on the injured side. Patients with globus pharyngeus have pharyngeal hyposensitivity.

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Title: Exploring the Use of the Current Perception Threshold in Pharyngeal Paresthesia Patients
Authors: Liu Xuelai
Li Xueyan
Xu Wen
Publication date: 03-01-2022
Publisher: Springer US
Published in: Dysphagia / Issue 6/2022
Print ISSN: 0179-051X
Electronic ISSN: 1432-0460
DOI: https://doi.org/10.1007/s00455-021-10401-5

At a glance: The STEP trials

Springer Medicine

Exploring the Use of the Current Perception Threshold in Pharyngeal Paresthesia Patients

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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