postoperative pain after hip replacement THA by Aterior Supine Intermuscular Approach (ASI). postoperatieve pijn na een heupvervanging THA
Conditions
Interventions
This study is a randomised controlled trial, comparing the outcomes in patients with coxarthrosis after THA with the ASI technique. Patients will be randomised in an antegrade infiltration group, a re
2. Reversed - Ropivacaine/epinephrine 120 ml
3. Antegrade - Placebo/Saline 120 ml.
Infiltration with 120 ml ropivacaine/epinephrine (ropivacaine 2 mg/ml, epinephrine 1 mg/ml).
In total two syringes of 50 ml with 49,5 ml ropivacaine and 0,5 ml
2. After placing the femoral component there will be an 10 ml ropivacaine/epinephrine or saline infiltration of the gluteus minimus muscle, 20 ml ropivacaine/epinephrine or saline in the gluteus mediu
3. Just before closure of the wound, 20 ml of ropivacaine/epinephrine or saline is infiltrated in the subcutis.
Reversed infiltration:
1. Start with injection of 20 ml ropivacaine/epinephrine in the
2. Infiltration of 50 ml ropivacaine/epinephrine of the gluteus medius muscle, gluteus minimus muscle, vastus lateralis muscle and the joint capsule, followed by incision of the joint capsule
3. Just before reaming the acetabulum and placement of the cup and
Sponsors
Reinier de Graaf Groep
Department of Orthopaedics
Reinier de Graaf Groep, afdeling orthopedie
Reinier de Graafweg 3-11
2625 AD Delft
Eligibility
Inclusion criteria
Inclusion criteria: The hospital criteria and protocol for patients who are diagnosed for a total hip arthroplasty with osteoarthritis will be applied. 1. Patients aged 18 years and older; 2. Patients willing to participate; 3. ASA I and II.
Exclusion criteria
Exclusion criteria: 1. Patients unwilling to participate; 2. Mentally retarded; 3. Neurological conditions potentially influence pain perception; 4. Psychiatric conditions potentially influence pain perception; 5. ASA III, IV and V; 6. Cardiovascular impairment in the past; 7. Abuse of alcohol or drugs; 8. Known allergy for any element of the medication that is given; 9. Medical contra indication for spinal anaesthesia; 10. BMI > 40; 11. Rheumatoid arthritis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Pain score (VAS) at day 1 at multiple moments: 1, 4 and 8 hours after operation in rest, and while and direct after mobilization starting at 4-6 hours after operation. At day 2 until the day of discharge at two moments; 2. Cumulative consumption of opioid medication and pain medication; 3. Length of Hospital Stay by amount of nights and number of hours between operation and discharge. | — |
Contacts
Public ContactN.M.C. Mathijssen
Reinier de Graafweg 3-11
Outcome results
None listed