Continuous Lumbar Plexus Block With and Without Parasacral Block in Patients Undergoing Total Hip Replacement
Osteoarthritis of Hip, Regional Anesthesia, Other Acute Postoperative Pain
About this trial
This is an interventional treatment trial for Osteoarthritis of Hip focused on measuring Peripheral Nerve Block, Total Hip Replacement
Eligibility Criteria
Inclusion Criteria:
- Subject has signed and dated an Informed Consent Form.
- Subject is classified as a ASA (American Society of Anesthesiologists) status I-III
- Subject is age 18- 75 years old.
- Subject is having primary total hip arthroplasty
- No contraindication to peripheral nerve catheter ( local infection or hypocoagulable state)
- Patient willing to receive spinal anesthesia as operative anesthesia
- No known drug allergies to study medications
- Patients not expected to receive therapeutic anticoagulation in the postoperative period.
Exclusion Criteria:
- Subject inability to provide adequate informed consent.
- Age younger than 18 years or older than 75 years
- Any contraindication to the placement of lumbar plexus catheter, including local infection, hypocoagulable state.
- ASA (American Society of Anesthesiologists) physical status of IV or greater
- Any chronic painful conditions
- Preoperative opioid use
- Coagulation abnormalities or patients who are expected to be on therapeutic anticoagulants postoperatively
Sites / Locations
- UPMC Presbyterian Shadyside
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Continuous Lumbar Plexus Block with Parasacral Nerve Block
Lumbar Plexus Nerve Block
Lumbar plexus nerve block placement and activation: After subcutaneous infiltration of local anesthetic, 20 mL of Ropivacaine 0.2% will be injected; the catheter will be introduced for 5 cm past the needle tip and secured with steri strips and tegaderm. In PACU, the catheter will be connected to a pump of 0.0625% bupivacaine at 5 - 10 mL per hour at the discretion of the Acute Interventional Perioperative Pain Service (AIPPS). Additional 5mL boluses of 0.0625% bupivacaine will be given on demand once per hour prn. A single shot parasacral (sciatic) nerve block will then be place under the ultrasound guidance. Ropivacaine 0.2% 9 ml will be injected.
Lumbar plexus nerve block placement and activation: After subcutaneous infiltration of local anesthetic, 20 mL of Ropivacaine 0.2% will be injected; the catheter will be introduced for 5 cm past the needle tip and secured with steri strips and tegaderm. In PACU, the catheter will be connected to a pump of 0.0625% bupivacaine at 5 - 10 mL per hour at the discretion of the Acute Interventional Perioperative Pain Service (AIPPS). Additional 5mL boluses of 0.0625% bupivacaine will be given on demand once per hour prn. No sham/placebo parasacral (sciatic) blocks will be performed in this group.