Patients undergoing laparoscopic surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Patients undergoing laparoscopic surgery i)gastrectomy ii)colorectal surgery iii)hepato-biliary-pancreatic(HBP) surgery 2)The age of patients >= 20 years
Exclusion criteria
Exclusion criteria: 1)Epidural catheter can not to be inserted technically 2)Platelet counts <= 100,000 3)Bleeding tendency 4)Patients who can not express their pain (can not use patient-controlled anesthesia) 5)Patients with severe comorbidity(heart failure, renal failure, psychiatric disorder and so on) 6)Transaminase(AST, ALT) >= twofold more than normal limits 7)Patients who took another oral analgesic within preoperative 8 hours 8)Pregnancy or breast-feeding women 9)Aspirin-induced asthma 10)Patient with allergy to acetaminophen, opioid or local anesthesia 11)Others
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The amount of patient-controlled anesthesia for breakthrough analgesia at postoperative 72 hours | — |
Secondary
| Measure | Time frame |
|---|---|
| VAS(visual analogue scale) adverse effect | — |
Countries
Japan
Contacts
Wakayama Medical University 2nd Department of Surgery