Postoperative pain after abdominal surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Subjects scheduled for abdominal surgery under general anesthesia, with an expected surgery duration of 1 to 6 hours; (2) Age >=18 years, of any gender; (3) ASA I–III; (4) No mental illness or cognitive impairment; (5) Informed of the study contents before enrollment and voluntarily signed the informed consent form.
Exclusion criteria
Exclusion criteria: (1) Long-term use of analgesic drugs; (2) History of chronic pain or neurological disorders; (3) Severe cardiac, hepatic, renal, or respiratory dysfunction; (4) Coagulation disorders; (5) Infection at the puncture site or systemic infection; (6) Allergy to anesthetic drugs or to the study drug and its excipients, or previous severe adverse reactions; (7) Recent history of radiotherapy or chemotherapy; (8) Pregnant or breastfeeding women; (9) Participation in another clinical trial within the past 4 weeks; (10) Any unstable condition or situation that, in the investigator's judgment, could jeopardize the safety of the subject or their compliance with the study.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Postoperative pain medication usage;Levels of pain mediators and stress hormones;Postoperative recovery condition;Occurrence of adverse reactions;Patient satisfaction; | — |
Primary
| Measure | Time frame |
|---|---|
| Pain Visual Analog Scale; | — |
Countries
China
Contacts
Qingdao Central Hospital, University of Health and Rehabilitation Sciences (Qingdao Central Hospital)