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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Electrical Epidural Stimulation Test (EST) | Experimental | Laboring women are given EST test initially before local anesthetic is administered and 1 hour post-anesthetic in order to measure sensory and motor responses. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Electrical Epidural Stimulation Test (EST) | Diagnostic Test | EST measures sensory/motor responses |
|
| Measure | Description | Time Frame |
|---|---|---|
| Electrical Epidural Stimulation Test | Investigate the ability of the electrical epidural stimulation test (EST) to determine the position of the epidural catheter anesthesia for labour analgesia after low-dose anesthetic as compared to the gold standard of clinical assessment. | Duration of EST test (approximately 1-2 hours) |
| Measure | Description | Time Frame |
|---|---|---|
| Pain Scores | Patients will be asked for a pain score by research staff approximately 3 hours following placement of the epidural catheter and low-dose anesthetics are introduced. The pain scores will be on a scale from 0-10 with 0 representing no pain and 10 representing maximum pain. | Approximately 3 hours following introduction of anesthetics through the catheter. |
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Inclusion Criteria:
Exclusion Criteria:
Obstetric related study
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Chynna Villanueva, BS, RN | Contact | 6504986346 | chynnav@stanford.edu |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Lucille Packard Children's Hospital | Recruiting | Palo Alto | California | 94304 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 25501494 | Result | Carvalho JC, Khemka R, Loke J, Tsui BC. Low-dose intrathecal local anesthetic does not increase the threshold current for the epidural stimulation test: a prospective observational trial of neuraxial analgesia in labouring women. Can J Anaesth. 2015 Mar;62(3):265-70. doi: 10.1007/s12630-014-0291-x. Epub 2014 Dec 11. |
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| ID | Term |
|---|---|
| D048949 | Labor Pain |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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