Validation of Phase Lag Entropy(PLE) as an Indicator of Depth of Sedation in Patients Undergoing Spinal Anesthesia

N/AUnknownNCT03319004

Gangnam Severance Hospital27 enrolled

Overview

For verifying the phase lag entropy as the tool for measurement of level of consciousness, the investigators compared phase lag entropy to bispectral index. Using Target-Controlled Infusion pump, propofol was infused for sedation during the spinal anesthesia. The investigators measured Observer's Assessment of Alertness/Sedation Scale as the propofol concentration rises. At the same time, The investigators observed phase lag entropy score and bispectral index score.

Study Type

INTERVENTIONAL

Allocation

Purpose

DIAGNOSTIC

Masking

NONE

Enrollment

Conditions

Surgery Requiring Spinal Anesthesia

Interventions

apply phase lag entropy sensorDEVICE

apply phase lag entropy sensor as well as bispectral index sensor on forehead during the sedation using propofol

Eligibility

Sex: ALLMin age: 20 YearsMax age: 50 Years

Medical Language ↔ Plain English

Inclusion Criteria: * patients who require sedation during the spinal anesthesia Exclusion Criteria: * dementia, CVA patients, patients have problems with communication

Locations (1)

Gangnam Severance Hospital

Seoul, South Korea

Outcomes

Primary Outcomes

phase lag entropy score

Time frame: through study completion, an average of 1 year

Data from ClinicalTrials.gov

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