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A Study on the Differences in Propofol Blood Concentrations during the Recovery Period in Elderly Patients in Mid-to-High Altitude Areas Based on Ion Mobility Spectrometry (IMS) Technology

A Study on the Differences in Propofol Blood Concentrations during the Recovery Period in Elderly Patients in Mid-to-High Altitude Areas Based on Ion Mobility Spectrometry (IMS) Technology

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600125730
Enrollment
Unknown
Registered
2026-05-29
Start date
2026-05-31
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Cholecystic disorders

Interventions

Case group:NA

Sponsors

The First Hospital of Lanzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age range: 65~80 years old; 2. ASA classification: II~III; 3.Planned laparoscopic cholecystectomy (operation duration: 1-3 hours); 4.Han nationality, Zang nationality, Hui nationality (Hui patients must strictly follow the Hui dietary requirements); 5.Voluntarily participate and sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Severe liver and kidney dysfunction (ALT/AST > 2 times the upper limit of normal, creatinine > 133 µmol/L); 2. Comorbid with cognitive impairment, neurological disorders (such as epilepsy, Parkinson's disease); 3. Obesity (BMI > 30 kg/m²) or emaciation (BMI = 60g of alcohol per week, women consuming > =40g per week) or history of drug abuse; 5. Allergic to drugs used during the perioperative period; 6. Severe complications occurred during the operation (such as massive bleeding, cardiac arrest); 7. Complicated with severe respiratory, circulatory system diseases, unable to tolerate surgical anesthesia and analgesia; 8. Participated in other clinical trials within the past 3 months.

Design outcomes

Primary

MeasureTime frame
Propofol blood concentration;Plasma concentrations of propofol TCI;AI;

Countries

China

Contacts

Public ContactYatao Liu

The First Hospital of Lanzhou University

doctorliuyt@163.com+86 181 5210 7860

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 11, 2026