Study to Test the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty
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Purpose
The hypothesis of this study is that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. Patients were randomised in the operating room to receive either a periarticular infiltration, or a placebo consisting of Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.
| Condition | Intervention | Phase |
|---|---|---|
|
Osteoarthritis |
Drug: Levobupivacaine Drug: Saline |
Phase 4 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Investigator) Primary Purpose: Treatment |
| Official Title: | A Double Blind Randomized Control Trial on the Efficacy of Periarticular Levo Bupivicaine Injection Following Primary Hip Arthroplasty |
- To determine a significant difference (p>0.05) in morphine consumption between the two treatment groups post-operatively. [ Time Frame: 1 year ] [ Designated as safety issue: No ]The modified McGill pain scale was administered to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. In addition, morphine and analgesic consumption was recorded for each patient. The results were assessed after one year, once all the information from both treatment groups was collected.
- To analyse the length of stay for between both treatment groups [ Time Frame: Average 6 days (based on precise day of discharge) ] [ Designated as safety issue: No ]
| Enrollment: | 91 |
| Study Start Date: | September 2008 |
| Study Completion Date: | September 2009 |
| Primary Completion Date: | September 2009 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Active Comparator: Levobupivacaine
Levobupivacaine is indicated for local anaesthesia including infiltration, nerve block, ophthalmic, epidural and intrathecal anaesthesia in adults; and infiltration analgesia in children
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Drug: Levobupivacaine
The treatment group received 150mg of levobupivicaine in 60mls of 0.9% saline. This was injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.
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Placebo Comparator: Saline
Saline (also saline solution) is a general term referring to a sterile solution of sodium chloride (NaCl, more commonly known as salt) in water but is only sterile when it is placed intravenously, otherwise, a saline solution is a salt water solution.
|
Drug: Saline
The placebo group received 60mls of 0.9% saline injected intra-operatively through the medial and anterior capsular spaces in the region of the obturator and femoral nerves and also around the short rotators and gluteus maximus in the region of the inferior and superior gluteal nerves. The timing of this was after insertion of the acetabular component. 10mls was then infiltrated around the tensor fascia lata and subcutaneously prior to closing the wound.
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Detailed Description:
The efficacy of periarticular injections during total knee arthroplasty is well established but there is little published data on their effect in primary hip arthroplasty. We hypothesized that isolated use of local periarticular levobupivicaine injection during primary hip arthroplasty would improve post-operative pain control. A double blinded, randomised, placebo-controlled trial on patients undergoing primary hip arthroplasty was performed. Patients were randomised in theatre to receive either a periarticular infiltration of 150mg levobupivicaine in 60mls of 0.9% Saline, or a placebo consisting of 60mls 0.9% Saline. Morphine and analgesic consumption was recorded for each patient, while the modified McGill pain scale was used to determine the adequacy of analgesia and the benefit of the peri-articular infiltration. 91 patients were recruited, with 45 patients in the treatment group and 46 controls. The results were assessed after one year, once all the information from both treatment groups was collected.
Eligibility| Ages Eligible for Study: | 18 Years and older |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Consecutive patients undergoing primary hip arthroplasty for osteoarthritis only were included in this study after giving informed consent.
Exclusion Criteria:
- Patients with cognitive impairment, neurological disorders, advanced liver or renal impairment, known ischemic heart disease, a previous diagnosis of a pain syndrome or any post-operative surgical or medical complications were excluded.
Contacts and Locations| Ireland | |
| Cappagh National Orthopaedic Hospital | |
| Dublin, Finglas, Ireland, Dublin 11 | |
| Orthopaedic Research and Innovation Foundation | |
| Dublin, Santry, Ireland, Dublin 9 | |
| Principal Investigator: | Kevin J Mulhall | Orthopaedic Research and Innovation Foundation |
More Information
Publications:
| Responsible Party: | Prof Kevin Mulhall, Orthopaedic Research and Innovation Foundation |
| ClinicalTrials.gov Identifier: | NCT01106001 History of Changes |
| Other Study ID Numbers: | KM-042008-014 |
| Study First Received: | April 12, 2010 |
| Last Updated: | April 16, 2010 |
| Health Authority: | Ireland: Medical Ethics Research Committee |
Keywords provided by Orthopaedic Research and Innovation Foundation:
|
total hip arthroplasty periarticular injection pain |
Additional relevant MeSH terms:
|
Osteoarthritis Arthritis Joint Diseases Musculoskeletal Diseases Rheumatic Diseases Bupivacaine Levobupivacaine Anesthetics, Local |
Anesthetics Central Nervous System Depressants Physiological Effects of Drugs Pharmacologic Actions Sensory System Agents Peripheral Nervous System Agents Central Nervous System Agents Therapeutic Uses |
ClinicalTrials.gov processed this record on May 19, 2013