None listed
Conditions
Brief summary
This trial is looking at the analgesic efficacy of transversus abdominis plane block (TAP block) using ropivacaine following abdominal surgery.
Interventions
Transversus abdominis plane injection using ropivacaine 0.5%, 20ml bilaterally at the completion of surgery prior to waking from anaesthesia
Sponsors
Dr Elizabeth Hessian
Study design
Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Prevention
Masking
Blinded (masking used)
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
Age over 18 years Elective or semi-elective abdominal surgery requiring mid-line incision
Exclusion criteria
Patient refusal Acute abdomen A clinical history consistent with opioid tolerance including preoperative opioid consumption of longer than one week, intravenous opioid drug use Preoperative use of opioid antagonists like buprenorphine and naltrexone A clinical history of chronic pain, where patients may benefit from early commencement of agents like ketamine Renal impairment with creatinine clearance less than 60 mL/min Drug allergy or contraindication to morphine, ropivacaine, paracetamol Anaesthetist preference for placement of central neuroaxial blockade/catheter Surgeon refusal to placement of catheters Inability of patient to use patient controlled analgesia pump post-operatively or to understand grading of pain via verbal pain score
Outcome results
None listed