hemorrhoids, anal fissures, anal fistulas
Conditions
Interventions
Ketamine group (D group):Inject 0.25mg/kg of ketamine intravenously before skin incision, and administer 4mg of ondansetron and 5mg of dexamethasone intravenously before surge
Sufentanil group (L group):Inject an equal amount of physiological saline intravenously before skin incision, and administer 4mg of ondansetron and 5mg of dexamethasone intraven
Sponsors
First Affiliated Hospital of Gannan Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. ASA classification: I-III levels; 2. Age range is 18-65 years old; 3. BMI is 18-28kg/?; 4. Patients undergoing elective perianal surgery; 5. Agree to sign the informed consent form for clinical research;
Exclusion criteria
Exclusion criteria: 1. There is an infected person at the puncture site; 2. Individuals with coagulation dysfunction; 3. History of lumbar or coccygeal trauma or surgery; 4. Individuals with combined immune dysfunction; 5. Those with tumor, diabetes, etc. that affect pain perception; 6. Individuals with severe heart, liver, and kidney dysfunction; 7. Individuals allergic to ropivacaine or lidocaine; 8. Long term dependence on opioid analgesics to alleviate chronic pain;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Postoperative Recovery Quality Score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain score at different time points after surgery;Hemodynamic indicators at different time points during surgery;Additional frequency of postoperative patient-controlled analgesia;Surgical physician's use of painkillers;complication;Surgical duration;Intraoperative blood loss;patient satisfaction; | — |
Countries
China
Contacts
Public ContactZhou Shubao
First Affiliated Hospital of Gannan Medical University
Outcome results
None listed