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Safety and efficacy of amnestic analgesic slow induction combined with BIS monitoring for general anesthesia in extremely elderly patients: a randomized controlled study

Safety and efficacy of amnestic analgesic slow induction combined with BIS monitoring for general anesthesia in extremely elderly patients: a randomized controlled study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600125496
Enrollment
Unknown
Registered
2026-05-27
Start date
2022-01-03
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

None

Interventions

Amnesia-analgesia slow induction intubation (study group):Atomization inhalation of 1 % tetracaine was used for surface anesthesia, Slow induction of alfentani combined withdexmedetomidine

Sponsors

Hefei First People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
75 Years to 99 Years

Inclusion criteria

Inclusion criteria: (1) Elderly patients scheduled for lower limb orthopedic surgery, including tibia and fibula fractures and hip fractures (femoral neck fractures, intertrochanteric femoral fractures); (2) Estimated surgery time: 1–2 hours; (3) American Society of Anesthesiologists (ASA) Physical Status III–IV; (4) Age 75–99 years, any gender; (5)Sign a written informed consent form;

Exclusion criteria

Exclusion criteria: (1)Patient refusal; (2) Body mass index (BMI) > 30 kg/m^2 or 180 mmHg); (4) Allergy to relevant anesthetic agents; (5) Presence of psychiatric or neurological disorders, or language barriers, preventing communication and cooperation with treatment; (6) Severe hepatic or renal insufficiency; (7) Long-term use of sedative or analgesic medications.

Design outcomes

Primary

MeasureTime frame
Heart rate;Mean arterial pressure;

Secondary

MeasureTime frame
Adverse events (intraoperative awareness postoperative cognitive dysfunction postoperative delirium);Status of recovery;Bispectral index (Bis);Pulse oxygen saturation;Status of recovery;Status of recovery;The dosage of etomidate, cis-atracurium and alfentanil during operation;Cough reaction during extubation and sore throat after extubation;

Countries

China

Contacts

Public ContactYang Heng

Hefei First People's Hospital

yangh999@yeah.net+86 551 82139210

Outcome results

None listed

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