Use of Local Infiltration Analgesia Following Total Hip Arthroplasty

Local Infiltration Analgesia in Total Hip Arthroplasty - Efficacy of Multiple Bolus Injections With Ropivacaine and Ketorolac

The primary aim of this study is to evaluate if multiple postoperative administrations with a solution of ropivacaine, ketorolac and epinephrine into the operating field through a catheter would affect morphine consumption. Secondary end-points are pain intensity, side effects and length of stay.

Inclusion Criteria:

• Patients scheduled for total hip arthroplasty
• Patients > 18 years of age
• Signed written informed consent
• Spinal anaesthesia

Exclusion Criteria:

• Allergy towards study drugs
• Rheumatoid arthritis
• Body Mass Index > 35 (severe obesity)
• Pregnancy or nursing women
• Regular opioid use
• Patients who can not read or understand danish