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Effect of intraoperative ephedrine and phenylephrine on postoperative delirium in elderly patients undergoing orthopaedic surgery: a prospective study

Study on the Effects of Ephedrine and Norepinephrine Treatment on Postoperative Delirium in Elderly Patients Undergoing Orthopedic Surgery Following General Anesthesia-Induced Hypotension

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400088799
Enrollment
Unknown
Registered
2024-08-27
Start date
2024-09-02
Completion date
Unknown
Last updated
2024-09-02

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

Conditions

Postoperative delirium

Interventions

Ephedrine:Intraoperative correction of hypotension with ephedrine
Phenylephrine:Intraoperative correction of hypotension with phenylephedrine

Sponsors

Zigong Fourth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to 80 Years

Inclusion criteria

Inclusion criteria: ? Patients undergoing elective orthopedic lower limb joint replacement surgery, with a surgery time of = 2 hours; ? Age between 65 and 80 years old, BMI between 18-30 kg/m², gender not limited; ? ASA = Level 3; ? Expected postoperative hospitalization time = 3 days.

Exclusion criteria

Exclusion criteria: ? Patients with a history of alcohol, sedatives, analgesics, psychotropic drugs, or drug abuse and addiction; ? Patients with language, hearing, neurological or cognitive impairments who are unable to communicate correctly; ? Patients with language, hearing, neurological or cognitive impairments who are unable to communicate correctly; ? Combined important organ dysfunction, such as heart failure, severe liver or kidney failure (such as Child Pugh grade C or estimated glomerular filtration rate below 60 ml · min-1 per 1.73 m2); ? Individuals allergic to ephedrine or norepinephrine; ? Unable to provide written informed consent.

Design outcomes

Primary

MeasureTime frame
The incidence of delirium within 3 days after surgery;

Secondary

MeasureTime frame
Total dose of vasoactive drugs used during surgery;Subtype of delirium;Delirium duration;Intraoperative changes in vital signs;The incidence of adverse events;Length of hospital stay;

Countries

China

Contacts

Public ContactSong Jianli

Zigong Fourth People's Hospital

songjlxx@163.com+86 157 0049 0896

Outcome results

None listed

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