Perioperative Pain and Postoperative Recovery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Age = 18 years 2) ASA I-III grade; 3) Scheduled to undergo elective robot-assisted unilateral knee arthroplasty under general anesthesia, first-time surgery, and meet the indications for surgery; 4) Signed written informed consent, able to understand the purpose of the study, intervention plan, and potential risks, and agree to comply with the study protocol.
Exclusion criteria
Exclusion criteria: 1) Drug allergy or contraindications: The patient has allergic reactions or contraindications to drugs used in the study (e.g., local anesthetics, opioids, glucocorticoids, etc.); 2) Opioid dependence or abuse: History of long-term use of opioids, or presence of opioid dependence or abuse; 3) Severe systemic diseases: The patient has severe systemic diseases, such as: a) Severe cardiovascular diseases (e.g., acute coronary syndrome, heart failure, NYHA heart function = Class 3, etc.); b) Uncontrolled hypertension (systolic blood pressure = 180 mmHg or diastolic blood pressure = 110 mmHg); c) Severe diabetes (fasting blood glucose = 180 mg/dL or HbA1c = 10%); d) Severe liver or kidney dysfunction; e) Neurological or psychiatric diseases: History of mental disorders (e.g., major depressive disorder, schizophrenia, etc.) or cognitive impairment; f) Smoking and alcohol consumption: Smoking more than 20 cigarettes per day in the past five years, or history of alcohol abuse (daily alcohol intake = 40g); g) Preoperative weight abnormalities: Body Mass Index (BMI) 30 kg/m²; (2) Surgical complexity: Patients with a high risk of complications during surgery (e.g., surgery duration exceeding 5 hours); (3) Already enrolled in other studies.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual Analogue Scale during exercise; | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraoperative opioid (fentanyl) dosage;Visual Analogue Scale during exercise;Visual Analogue Scale at rest;Shear modulus of the quadriceps femoris (rectus femoris, vastus lateralis, vastus medialis) on the surgical side;Functional muscle strength of the quadriceps femoris on the surgical side.;IL-6 levels in plasma;Plasma IL-10 level;The levels of TNF-a in plasma;Number of intraoperative hemodynamic events;Post-anesthesia recovery score (Aldrete score);Dosage of rescue analgesics;Postoperative nausea and vomiting occurrence;Postoperative delirium occurrence;Patient Satisfaction Score;Postoperative hospital stay duration;Post Anesthesia Care Unit stay time; | — |
Countries
China
Contacts
China-Japan Friendship Hospital