Research on Anesthesia Depth Control Strategy Based on Continuous and Non-invasive Monitoring of Exhaled Breath

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-03-16

Study Completion Date

2029-03-15

Brief Summary

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This study aims to propose a strategy for controlling the depth of anesthesia based on continuous and non-invasive monitoring of exhaled breath: BIS value during intravenous-inhalation combined anesthesia is predicted according to the real-time exhaled concentrations of sevoflurane and propofol, so as to achieve the depth of anesthesia management for patients who cannot use standard BIS. Furthermore, the relationship between anesthetic concentration and depth of anesthesia was analyzed in different subgroups.

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Detailed Description

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Conditions

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Anesthesia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients undergoing the first intravenous-inhalation combined anesthesia

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Age ≥18 years old
* ASA I-III
* Expected duration of surgery \> 1 hour
* Radial artery catheterization was performed
* Patients requiring BIS monitoring.

Exclusion Criteria

* Patients with contraindications to general anesthesia
* mental disorder, unable to answer
* long-term use of antiepileptic drugs and psychotropic drugs
* pregnant patients
* patients refused to participate
* the investigator thought that the study was not suitable for inclusion
* patients who did not wake up in PACU

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No