Continuous Popliteal Nerve Blocks: Effect of Perineural Catheter Tip Location Relative to the Sciatic Nerve Bifurcation on Postoperative Analgesia
| Status: | Completed |
|---|---|
| Conditions: | Orthopedic |
| Therapuetic Areas: | Orthopedics / Podiatry |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/21/2016 |
| Start Date: | October 2010 |
| End Date: | June 2015 |
Research study to determine the relationship between perineural catheter tip location
relative to the sciatic nerve bifurcation and postoperative analgesia for continuous
popliteal nerve blocks.
relative to the sciatic nerve bifurcation and postoperative analgesia for continuous
popliteal nerve blocks.
Hypothesis: During a continuous popliteal nerve block, postoperative analgesia will be
improved with the perineural catheter tip at the level of the sciatic nerve bifurcation
compared to when the catheter tip is 5 cm cephalad/proximal to the bifurcation.
improved with the perineural catheter tip at the level of the sciatic nerve bifurcation
compared to when the catheter tip is 5 cm cephalad/proximal to the bifurcation.
Inclusion Criteria:
- undergoing surgery with a popliteal perineural catheter for postoperative analgesia
- age 18 years or older
Exclusion Criteria:
- pregnancy
- inability to communicate with the investigators and hospital staff
- incarceration
- clinical neuropathy in the surgical extremity
- chronic high-dose opioid use
- a history of opioid abuse
- surgery outside of ipsilateral sciatic and saphenous nerve distributions
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