Obstetric Placement Study Using EST

Recruiting now · Not applicable

Conditions studied: Obstetric Pain, Anesthesia, Local

In brief

Combined spinal-epidural (CSE) is an established technique for providing labour analgesia to obstetric patients which provides rapid onset but unsustained analgesia. The epidural catheter can be used to extend and provide continuous pain relief, however during single-segment needle-through-needle CSE, the catheter is untested. This study aims to confirm placement of epidural catheters of anesthesia through the epidural stimulation test (EST) which was first described by the PI of the study for confirming placement of epidural catheters approximately 20 years ago.

Key facts

Study ID

NCT04109365

Run by

Stanford University

People needed

40

Starts

2020-12-15

Expected to finish

2025-12-01

Last updated by the study team

2025-05-01

Who can join

Age: 18 and older. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Females, 18 years and older
• American Society of Anesthesiologists physical status I or II
• Full-term pregnancy with request for epidural early in labour (i.e. Regular labor or C-Section)

You may not qualify if…

• Contraindication to regional anesthesia
• Allergy or hypersensitivity to lidocaine, bupivacaine, or fentanyl
• Use of sedatives or opioids
• Abnormal vertebrae anatomy
• Neurological disorder with lumbar involvement
• Implanted electronic devices

Where it is running

• Lucille Packard Children's Hospital — Palo Alto, California, United States (enrolling)

Full record on ClinicalTrials.gov

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