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Splenius capitis: sensitive target for the cVEMP in older and neurodegenerative patients
Univ Sydney, Australia.
Linköping University, Department of Clinical and Experimental Medicine, Division of Neuro and Inflammation Science. Linköping University, Faculty of Medicine and Health Sciences.
Univ Sydney, Australia.
Univ Western Ontario, Canada.
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2019 (English)In: European Archives of Oto-Rhino-Laryngology, ISSN 0937-4477, E-ISSN 1434-4726, Vol. 276, no 11, p. 2991-3003Article in journal (Refereed) Published
Abstract [en]

Background The vestibular evoked myogenic potential (VEMP) is a technique used to assess vestibular function. Cervical VEMPs (cVEMPs) are obtained conventionally from the sternocleidomastoid (SCM) muscle; however, the dorsal neck muscle splenius capitis (SPL) has also been shown to be a reliable target alongside the SCM in young subjects. Objective This study aimed to compare cVEMPs from the SCM and SPL in two positions across young, older, and Parkinsons disease (PD) patients. Method Experiments were carried out using surface EMG electrodes placed over the SCM and SPL. cVEMPs were measured using a 30 s, 126 dB sound stimulus with 222 individual tone bursts, while subjects were in a supine and head-turned posture (also known as the head elevation method), and in a seated head-turned posture. Results When comparing cVEMPs across positions, the incidence of supine and seated SCM-cVEMPs diminished significantly in older and PD patients in comparison with young subjects. However, no statistically significant differences in incidences were found in seated SPL-cVEMPs when comparing young, older and PD patients. SPL-cVEMPs were present significantly more often than seated SCM-cVEMPs in PD patients. Conclusions SPL-cVEMPs are not altered to the same extent that SCM-cVEMPs are by aging and disease and its addition to cVEMP testing may reduce false-positive tests for vestibulopathy.

Place, publisher, year, edition, pages
SPRINGER , 2019. Vol. 276, no 11, p. 2991-3003
Keywords [en]
Cervical vestibular evoked myogenic potential; Splenius capitis; Sternocleidomastoid
National Category
Otorhinolaryngology
Identifiers
URN: urn:nbn:se:liu:diva-161836DOI: 10.1007/s00405-019-05582-7ISI: 000492037800005PubMedID: 31359129OAI: oai:DiVA.org:liu-161836DiVA, id: diva2:1370904
Available from: 2019-11-18 Created: 2019-11-18 Last updated: 2019-11-18

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