BIS Monitoring in Relation to Muscle Relaxant Administration

Mayo Clinic22 enrolled

Overview

The purpose of this study is to determine the overall optimal timing of when the Bispectral Index (BIS) monitor should be started: before or after the muscle relaxant is given.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Cardiovascular Surgery Bispectral Index Anesthesia

Interventions

Bispectral Index (BIS) monitoring systemDEVICE

Left and right sensors to record EEG activity and muscle reaction to anesthesia utilized in the operating room by anesthesia providers to assess the depth of sedation in patients with anesthesia.

Eligibility

Sex: ALLMin age: 18 Years

Medical Language ↔ Plain English

Inclusion Criteria: * Undergoing elective cardiac surgery * Muscle relaxation administration by rocuronium Exclusion Criteria: * Patient refusal * Pediatric patients * Emergency procedure * Patients with known or suspected carotid or cerebrovascular disease * Patients with prior stroke * Skin condition or anatomy preventing proper sensor placement * Patients who receive ketamine during the study timeframe

Locations (1)

Mayo Clinic Rochester

Rochester, Minnesota, United States

Outcomes

Primary Outcomes

BIS Values

Parameters measured from both left and right BIS sensors. BIS monitor algorithm to process EEG information second by second and outputs a number (0-100) that corresponds with a patient's level of consciousness. A level of 0 indicates no EEG activity; a level of 100 indicates awake EEG activity.

Time frame: 25-minute period in the operating room

Data from ClinicalTrials.gov

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