Lateral thigh pain after direct anterior approach (DAA) total hip arthroplasty.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.>=18 years old. 2. Patients who are scheduled to undergo hip replacement. 3. The first unilateral replacement surgery was performed. 4. Patients with an American Society of Anesthesiologists (ASA) functional status of I-III. 5. Voluntarily participate in this study and sign the informed consent form. If the subjects are unable to read and sign due to reasons such as incapacity for conduct For informed consent forms, or if the subject is a minor, their guardian must act as the agent for the informed process and sign the informed consent form. If the subjects are unable to read the informed consent form (e.g., illiterate subjects), the informed process needs to be witnessed and signed by a witness Informed consent form
Exclusion criteria
Exclusion criteria: 1.Those who already have peripheral neuropathy, such as diabetic peripheral neuropathy, lumbar intervertebral disc protrusion, spinal cord injury, etc. Chronic People with pain syndrome (such as fibromyalgia), those who have been using opioids or glucocorticoids for a long time. Previous surgical history of the hip joint on the surgical side Or a history of trauma (such as after internal fixation of fractures). 2. Those who are known to be allergic to compound betamethasone and ropivacaine. 3. Before the operation, there was pain, numbness or abnormal sensation in the area innervated by the lateral femoral cutaneous nerve (the anterolateral side of the thigh). 4. Vulnerable groups other than the elderly and illiterates include people with mental disorders, those with cognitive impairments, critically ill patients, pregnant women, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain Score;Hip joint function and activity level;The time when the subjects were able to raise their legs straight for the first time after the operation;Frequency and dosage of rescue analgesia administered in addition to the routine postoperative analgesia regimen.;Quadriceps strength; | — |
Secondary
| Measure | Time frame |
|---|---|
| Postoperative recovery quality;Length of hospitliztion; | — |
Countries
China
Contacts
Sir Run Run Shaw Hospital, Zhejiang University School of Medicine