knee replacement
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged from 60 to 75 years; 2. ASA grade I-III; 3. Patients who plan to undergo unilateral knee arthroplasty and require postoperative analgesic pump; 4. BMI 18.5-27kg/m2.
Exclusion criteria
Exclusion criteria: 1. Impaired hearing and language communication, unable to communicate effectively with doctors; 2. Patients with allergies to any drug in the study; 3. Other operations within 1 year or 3 months of contralateral knee replacement; 4. Patients with sinus bradycardia (heart rate less than 50 beats/min) or sinus node lesions, second or third degree atrioventricular block, or equipped with pacemaker before surgery; 5. Patients with severe heart, liver and kidney diseases; 6. Patients with obstructive sleep apnea or moderate or above snoring; 7. Patients with mental illness that will affect postoperative rehabilitation and follow-up.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PSQI score; | — |
Countries
China
Contacts
Affiliated Hospital of Xuzhou Medical University