Orthopedic Disorders Clinical Trial
Official title:
The Impact of Injection Pressure During Adductor Canal Nerve Block
Verified date | January 2020 |
Source | University of Miami |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is a prospective, randomized, single-blinded human clinical trial that will examine how injection pressure influences the spread of a given volume of injectate in the adductor canal, during adductor canal nerve block.
Status | Terminated |
Enrollment | 26 |
Est. completion date | December 9, 2016 |
Est. primary completion date | November 9, 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility |
Inclusion criteria: 1. Planned general anesthetic. 2. American Society of Anesthesia classes I, II, or III. 3. Patients aged 18-65. 4. English-speaking patients. Exclusion criteria: 1. ASA classes IV and V. 2. Patients younger than 18 or older than 65. 3. Contraindication to regional anesthesia (coagulopathy, patient refusal). 4. Allergy to local anesthetic or other study medications. 5. BMI > 35 kg/m2. 6. Chronic opioid use (daily or almost daily use for > 3 months). 7. Active illicit drug use. 8. Additional surgical site other than the limb for adductor canal block. 9. Pregnancy. 10. Preexisting neuropathy in the operative limb. 11. Inability to communicate to investigators or hospital staff. 12. Inability to speak or understand English. |
Country | Name | City | State |
---|---|---|---|
United States | University of Miami Hospital | Miami | Florida |
Lead Sponsor | Collaborator |
---|---|
University of Miami |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Spread of Injectate | Our primary endpoint is the spread of injectate, defined as the distance between the uppermost and lowermost limits of spread of local anesthetic as assessed by ultrasound. | Immediate post-procedure on day 1 | |
Secondary | Number of Events of Femoral Nerve Block 30 Minutes After Block Placement | Sensory testing will use a pinprick method in the femoral (anterior thigh), saphenous (medial calf proximal to the medial malleolus, top of the patella) and sciatic (posterolateral calf, plantar surface of the foot) nerve distributions; if patients are unable to feel the stimulus in the femoral nerve distribution, then an outcome of a femoral nerve block will be recorded. | post-procedure and postoperative on day 1 | |
Secondary | Number of Events of Sciatic Nerve Block 30 Minutes After Block Placement | Sensory testing will use a pinprick method in the femoral (anterior thigh), saphenous (medial calf proximal to the medial malleolus, top of the patella) and sciatic (posterolateral calf, plantar surface of the foot) nerve distributions; if patients are unable to feel the stimulus in the sciatic nerve distribution, then an outcome of a sciatic nerve block will be recorded. | post-procedure and postoperative on day 1 | |
Secondary | Postoperative Pain Scores (Numeric Rating Scale, 0-10) | Patients will rate their pain after surgery on a scale from 0-10, with 0 being no pain, and 10 being the worst pain of their life. | postoperative on day 1 | |
Secondary | Postoperative Physical Therapy Milestone Achievement | The patient will be evaluated by physical therapy postoperatively using the Lower Extremity Function Scale (LEFS). The LEFS is a self-reporting measure (0-80 score range, where 0 is complete disability and 80 is fully functional). | postoperative week 1 | |
Secondary | Postoperative Physical Therapy Milestone Achievement | The patient will be evaluated by physical therapy postoperatively using the Lower Extremity Function Scale (LEFS). The LEFS is a self-reporting measure (0-80 score range, where 0 is complete disability and 80 is fully functional). | postoperative week 2 | |
Secondary | Postoperative Physical Therapy Milestone Achievement | The patient will be evaluated by physical therapy postoperatively using the Lower Extremity Function Scale (LEFS). The LEFS is a self-reporting measure (0-80 score range, where 0 is complete disability and 80 is fully functional). | postoperative week 3 | |
Secondary | Postoperative Physical Therapy Milestone Achievement | The patient will be evaluated by physical therapy postoperatively using the Lower Extremity Function Scale (LEFS). The LEFS is a self-reporting measure (0-80 score range, where 0 is complete disability and 80 is fully functional). | postoperative week 4 | |
Secondary | Opioid Administration | Intraoperative and immediate postoperative opioid administration. Calculated as morphine milliequivalent (in milligrams). | day 1 |
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