Ultrasound-Guided Continuous Sciatic Nerve Blocks: Popliteal Versus Subgluteal Catheters

Ultrasound-Guided Continuous Sciatic Nerve Blocks: Popliteal Versus Subgluteal Catheters

To determine the relationship between perineural catheter location along the sciatic nerve (popliteal versus subgluteal placement) and infusion effects for ultrasound-guided continuous sciatic nerve blocks.

Inclusion Criteria:

• undergoing foot surgery with a sciatic perineural catheter for postoperative analgesia
• spending the first postoperative night hospitalized
• age 18 years or older

Exclusion Criteria:

• pregnancy
• inability to communicate with the investigators and hospital staff
• incarceration
• clinical neuropathy in the surgical extremity