Knee or Hip arthroplasty
Conditions
Interventions
active taVNS:Stimulation applied to the cavum conchae (auricular branch of the vagus nerve distribution area) with the following parameters: frequency of 25 Hz, pulse width of 500 µs, duty cycle of 60
sham taVNS:Sham stimulation applied to the cavum conchae (auricular branch of the vagus nerve distribution area). Following the same procedure as active taVNS, the intensity is increased until the pat
Sponsors
Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Elective unilateral hip or knee arthroplasty under general anesthesia; 2. Aged 18 years old to 80 years old; 3. ASA score grades I to III; 4. BMI is 18 to 35 kg/m ² [BMI= weight (Kg)/height (m) ²] 5. Ethical, patients voluntarily participate in the test and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. Preoperative history of mental illness; 2. patients with a history of allergy to the drugs used in this study; 3. Patients who have been taking hypnotic drugs for a long time before the operation or have received physical therapy related to insomnia; 4. Patients who refuse or are unable to cooperate in participating in this study or have conditions that prevent nerve block; 5. Implant a cardiac pacemaker in the body; 6. Patients who participated in other studies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of severe sleep disturbance; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of severe sleep disturbance;Pain NRS scores; postoperative recovery quality ; | — |
Countries
China
Contacts
Public ContactJunde Han
Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
Outcome results
None listed