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Brief Title: Measurement of the Skin Sympathetic Nerve Activity
Official Title: Recording Sympathetic Nerve Activity From the Skin During Surgery Under General Anesthesia : a Pilot Study
Study ID: NCT03658057
Brief Summary: Sympathetic nerve activity can be measured transcutaneously in awake patients by computer-based filtering of raw signal obtained via skin leads attached on the chest. Electrocardiogram can be removed by applying a high-pass filter setting of 150 Hz. Electromyogram can be filtered by applying a high-pass filter setting of 500 Hz or a band-pass filter setting of 500-1000 Hz. However, it is not known whether the skin sympathetic nerve activity (SKNA) can be measured in anesthetized and/or paralyzed patients. Therefore, we planned this pilot study to observe whether the SKNA can be obtained in these patients. If the SKNA ca be observed, it will be presented in milivolt (uV).
Detailed Description:
Minimum Age: 20 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Seoul National University Hospital, Seoul, , Korea, Republic of
Name: Yunseok Jeon, Jeon
Affiliation: Seoul National University Hospital
Role: STUDY_DIRECTOR