Total Knee Arthroplasty Utilizing Adductor Canal Block: Effect on Quadriceps Sparing
| Status: | Terminated |
|---|---|
| Conditions: | Osteoarthritis (OA) |
| Therapuetic Areas: | Rheumatology |
| Healthy: | No |
| Age Range: | 18 - 80 |
| Updated: | 4/21/2016 |
| Start Date: | February 2014 |
| End Date: | December 2015 |
Postoperative Pain Management Following Total Knee Arthroplasty Utilizing Adductor Canal Block: Effects on Pain Management and Quadriceps Sparing
The purpose of this study is to investigate whether there is quantitative motor-sparing of
the quadriceps muscles following adductor canal nerve block versus femoral nerve block.
Patients will be randomly placed into one of three treatment groups: 1) Femoral nerve block,
2) Adductor canal nerve block - low volume, or 3) Adductor canal nerve block - high volume.
Quadriceps function will be assessed in the operating room using a skin patch and electrical
stimulation. Follow up visits with the patients will continue over the course of 2 days
during patient's stay at the hospital. A total of 60 patients will be enrolled for the
study.
the quadriceps muscles following adductor canal nerve block versus femoral nerve block.
Patients will be randomly placed into one of three treatment groups: 1) Femoral nerve block,
2) Adductor canal nerve block - low volume, or 3) Adductor canal nerve block - high volume.
Quadriceps function will be assessed in the operating room using a skin patch and electrical
stimulation. Follow up visits with the patients will continue over the course of 2 days
during patient's stay at the hospital. A total of 60 patients will be enrolled for the
study.
Inclusion Criteria:
- All patients undergoing primary unilateral total knee arthroplasty
- Planned use of combined spinal epidural (CSE) anesthesia
- Ability to follow study protocol
Exclusion Criteria:
- Contraindication to a spinal or epidural anesthetic
- Chronic opioid use (defined as daily or almost daily use of opioids for >3 months)
- Allergy to local anesthetics
- Pre-existing neuropathy or weakness of the operative limb
- Any neuromuscular disorder
- Diabetes type I and II
- Contraindication to a femoral nerve block or adductor canal nerve block
- Allergy or intolerance to any of the study medications
- BMI > 35 kg/m2
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