Single Dose Adductor Canal Block vs SPANK Block for TKA
Osteo Arthritis Knee, Pain, Postoperative, Pain, Acute
About this trial
This is an interventional treatment trial for Osteo Arthritis Knee focused on measuring Total Knee Arthroplasty, SPANK Block, Adductor Canal Block, Regional Anesthesia
Eligibility Criteria
Inclusion Criteria:
- Patients between the ages of 40 and 80 years old undergoing total knee arthroplasty amenable to peripheral nerve block for perioperative analgesia.
- BMI <45
- ASA class III or less
Exclusion Criteria:
- Inability to sign consent form
- Allergy to medications used in the study
- Repeat surgery
- History of seizure disorder
- Simultaneous bilateral TKA
- History of substance abuse
- BMI >45
- Opioid consumption of greater or equal to 30mg morphine equivalents per day
- Age <40 or >80 years old
- ASA IV or greater
- Inability to use a PCA
- Inability to access the intrathecal space
- Infection at the site of injection (either for spinal or PNB)
- INR greater than or equal to 1.4
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Adductor Canal Block Alone
SPANK Block Plus Adductor Canal Block
Control arm to receive Adductor Canal Block without additional interventions Intervention: ropivacaine 0.5% 15cc injected under ultrasound guidance
Experimental arm to receive Adductor Canal Block plus SPANK Block (Sensory Posterior Articular Nerves of the Knee) without additional interventions Intervention: ropivacaine 0.5% 15cc injected under ultrasound guidance into the adductor canal plus 20cc ropivacaine 0.5% injected into the posterior tissues of the knee