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Monitoring of nociceptive stimulation during surgery under general anesthesia based on exhaled VOCs: a prospective observational study

Monitoring of nociceptive stimulation during surgery under general anesthesia based on exhaled VOCs: a prospective observational study

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200062188
Enrollment
Unknown
Registered
2022-07-28
Start date
2022-07-27
Completion date
Unknown
Last updated
2023-04-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nociceptive stimulation during surgery under general anesthesia

Interventions

All included patients:no

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: ? Elective surgery patients aged 18-65; ? ASA classification is grade I-III; ? Elective abdominal surgery (gastrointestinal tract, pancreas, gallbladder, liver, etc.) under general anesthesia; ? Voluntarily join the research and sign the informed consent; ? The estimated operation time is more than 2 hours.

Exclusion criteria

Exclusion criteria: ? History of mental or nervous system diseases such as autism, attention deficit hyperactivity disorder, epilepsy, cerebral infarction, etc.; ? History of craniocerebral surgery; ? History of alcohol, opioid or other psychotropic substance abuse; ? Long-term use of sedative drugs; ? Language communication impairment and intellectual disability; ? Allergy to the anesthetics used; ? Family history of malignant hyperthermia.

Design outcomes

Primary

MeasureTime frame
Characteristic changes of exhaled volatile organic compounds in surgery with different stimulation intensities at different times;

Secondary

MeasureTime frame
Characteristic changes of blood in surgery with different stimulation intensities at different times;Characteristic changes of clinical signs in surgery with different stimulation intensities at different times;Correlation of characteristic changes of exhaled volatile organic compounds and changes in blood and clinical signs in surgery with different stimulation intensities at different times;

Countries

China

Contacts

Public ContactYuyi Zhao

West China Hospital of Sichuan University

343490507@qq.com+86 18980606837

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026