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Effect of 40-Hz Binaural Beat Auditory Intervention on Postoperative Delirium in Elderly Patients Undergoing Hip Surgery: A Randomized Clinical Trial

Effect of 40-Hz Binaural Beat Auditory Intervention on Postoperative Delirium and Perioperative Noise Correlation Analysis in Elderly Patients Undergoing Hip Surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123430
Enrollment
Unknown
Registered
2026-04-27
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-05-04

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

Conditions

Postoperative delirium

Interventions

Intervention group:40 Hz binaural beat auditory intervention will be administered starting when the patient is awake and cooperative in the PACU, until 24:00 on the 3rd postoperative day. Specific pro

Sponsors

The First Affiliated Hospital of Hebei North University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
65 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Aged >= 65 years, regardless of gender; 2. Scheduled for elective hip surgery under general anesthesia (including femoral neck fracture replacement, intertrochanteric fracture internal fixation, etc.); 3. American Society of Anesthesiologists (ASA) physical status classification II–IV; 4. Preoperative Mini-Mental State Examination (MMSE) score >= 24, with no confirmed dementia or severe cognitive impairment; 5. No severe hearing impairment, tympanic membrane perforation, otitis media, or hyperacusis, and able to cooperate with intervention using Bluetooth earphones; 6. The patient or legal representative fully understands the study protocol and voluntarily provides written informed consent; 7. Expected to complete at least 72 hours of postoperative observation and assessment, with no likelihood of immediate postoperative ICU transfer or long-term mechanical ventilation.

Exclusion criteria

Exclusion criteria: Preoperatively diagnosed with severe cognitive impairment such as dementia, Alzheimer’s disease, Parkinson’s disease, or with a history of psychiatric disorders; 2. Complicated with organic central nervous system lesions (e.g., cerebral infarction, cerebral hemorrhage, intracranial tumor, hydrocephalus, etc.); 3. Presence of severe hearing impairment, congenital auditory abnormalities, inability to tolerate wearing earphones, or hypersensitivity to acoustic stimulation; 4. Immediate postoperative transfer to intensive care unit (ICU), requirement of mechanical ventilation for more than 24 hours, and inability to complete intervention and assessment; 5. Complicated with severe hepatic or renal insufficiency, malignant tumor, severe infection, autoimmune disease, etc.; 6. Participation in other clinical studies within the past 3 months; 7. Refusal to participate in this study by the patient or family members, or inability to cooperate and complete the entire follow-up

Design outcomes

Primary

MeasureTime frame
Incidence of postoperative delirium (POD).;

Countries

China

Contacts

Public ContactSun Xiaojia

The First Affiliated Hospital of Hebei North University

1581571243@qq.com+86 153 6931 2965

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 7, 2026