Chronic Postoperative Pain Clinical Trial
Official title:
A Comparative Effect of Echogenic Needle for Nerve Block on Acute and Chronic Postoperative Pain
NCT number | NCT06281431 |
Other study ID # | CPSP |
Secondary ID | |
Status | Recruiting |
Phase | N/A |
First received | |
Last updated | |
Start date | June 12, 2023 |
Est. completion date | September 30, 2025 |
Surgical pain is a common complication after surgery, affecting patient recovery and treatment quality. >20% of patients suffer from chronic postoperative pain. China has >70 million surgeries yearly. Nerve block manages postoperative pain, with developing nerve block needles now used in clinics. Developed needles may have better pain management effects than non-developed ones, but their effect on reducing chronic pain remains unclear. This study aims to explore the effect of developed nerve block needles on postoperative pain and compare them to non-developed needles, providing new ideas and methods for pain management.
Status | Recruiting |
Enrollment | 1000 |
Est. completion date | September 30, 2025 |
Est. primary completion date | September 30, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 70 Years |
Eligibility | Inclusion Criteria: 1. The age is above 18 years old and below 70 years old. 2. patients whose surgical sites were in the chest, abdomen, upper limbs or lower limbs, including lobectomy, cholecystectomy, gastrointestinal resection, hysterectomy and other elective operations. 3. This operation was the first operation during the hospitalization. 4. Consent to participate in this study and sign an informed consent form. Exclusion Criteria: 1. Patients with a history of alcohol or drug addiction. 2. Patients with disturbance of consciousness before operation. 3. Other conditions considered by the attending physician or researcher to be inappropriate for the study; 4. History of chronic pain. 5. Abnormal coagulation function. |
Country | Name | City | State |
---|---|---|---|
China | He Huang | Chongqing | Chongqing |
Lead Sponsor | Collaborator |
---|---|
The Second Affiliated Hospital of Chongqing Medical University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Chronic postoperative pain | Incidence of Chronic pain assessment from 3 months after surgery | The third month after surgery. | |
Primary | Moderate to severe pain | Pain intensity (assessed by number rating scale, 0 represents no pain, 10 represents intolerable pain) more than 4 | from end of surgery to 24 hours after surgery. | |
Secondary | Acute postoperative pain | Pain intensity (assessed by number rating scale, 0 represents no pain, 10 represents intolerable pain) more than 4 | From the ending of surgery to leaving the postanesthesia care unit, an average of 30 minutes | |
Secondary | Acute postoperative pain | Pain intensity (assessed by number rating scale, 0 represents no pain, 10 represents intolerable pain) more than 4 | From return to the ward to 12 hours after return to the ward | |
Secondary | Acute postoperative pain | Pain intensity (assessed by number rating scale, 0 represents no pain, 10 represents intolerable pain) more than 4 | From 12 hours after return to the ward to 24 hours after return to the ward | |
Secondary | Puncture operation time | Time from needle insertion to needle extraction | From the ending of surgery to leaving the postanesthesia care unit, an average of 30 minutes | |
Secondary | Number of needle passes | The number of times the needle is withdrawn more than 2 cm and resited | From the ending of surgery to leaving the postanesthesia care unit, an average of 30 minutes |
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