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A Prospective Cohort Study on Comparative Effect-site Concentrations of Propofol Target-controlled Infusion (TCI) during General Anesthesia Induction in High and Low Altitude Areas

A Prospective Cohort Study on Comparative Effect-site Concentrations of Propofol Target-controlled Infusion (TCI) during General Anesthesia Induction in High and Low Altitude Areas

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600129441
Enrollment
Unknown
Registered
2026-08-05
Start date
2026-08-05
Completion date
Unknown
Last updated
2026-08-10

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

Conditions

Requiring general anesthesia for laparoscopic resection of appendiceal or gallbladder lesions

Interventions

Sponsors

The First Affiliated Hospital of Army Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 59 Years

Inclusion criteria

Inclusion criteria: 1.Aged 18–59 years with ASA physical status ?–?. 2.Scheduled for laparoscopic cholecystectomy or appendectomy under general anesthesia. 3.Normal hepatic and renal function; ALT, AST, Cr and BUN within normal reference ranges. 4.Participants in the high-altitude group live at an altitude =3500 m with high-altitude exposure duration >= 1 month. 5.All participants and their family members provide informed consent and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1.Allergy to drugs used in this study. 2.Shock, anemia (Hb200 g/L). 3.Hypermetabolic states such as fever and hyperthyroidism. 4.Use of drugs affecting drug metabolism within one week before surgery, including liver enzyme inducers or inhibitors such as phenobarbital and ketoconazole. 5.History of mental illness or drug abuse, or inability to cooperate with depth of anesthesia assessment. 6.Any other conditions interfering with propofol metabolism.

Design outcomes

Primary

MeasureTime frame
Propofol effect-site concentration;

Secondary

MeasureTime frame
Oxygen saturation, heart rate, non-invasive blood pressure;

Countries

China

Contacts

Public ContactGu Jianteng

The First Affiliated Hospital of Army Medical University

gjt1976@163.com+86 13983716009

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 25, 2026