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Clinical Trial Summary

The investigators are interested in determining the utility of ultrasound of the spine for labor epidurals or spinal anesthesia for women in labor or having a cesarean delivery. The investigators hypothesized that in women with poor spinal landmarks that the use of ultrasound of the spine will improve the process of placing labor epidurals or spinal anesthetics


Clinical Trial Description

Ultrasound has been in use for peripheral regional anesthesia for several years and is becoming more common. It is currently routinely used here at the University of Missouri. Ultrasound for neuraxial anesthesia, however, is less common and is only being done in a few centers.. There have been several case reports of its use in obstetric anesthesia for patients with prior spinal surgery or spinal deformity. There have been even few prospective randomized studies. While its use may have significant advantages, it is not yet clear what those advantages are and in whom it may be most beneficial. The investigators seek to answer the following questions regarding the use of preprocedure ultrasound for neuraxial analgesia/anesthesia in obstetric patients:

- Are there benefits to the use of pre procedure ultrasound for neuraxial analgesia/anesthesia?

- If so, what are the benefits?

- If measurable, to what extent does the patient benefit?

- Do all patients benefit or only a specific subgroup?

- Is there a "cost" to the use of pre procedure ultrasound, i.e. extra time needed to perform the ultrasound exam vs a "savings" with the use of pre procedure ultrasound, i.e., less time to perform the epidural analgesic or spinal anesthetic as a direct result of the use of ultrasound?

- In particular the investigators hypothesize that in patients whose spinal landmarks are not palpable or are barely palpable, ultrasound will be found to be beneficial as determined by metrics described below (see item #6). In patients whose landmarks are prominent or easily palpable pre procedure ultrasound will not be of significant benefit. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label


Related Conditions & MeSH terms


NCT number NCT01243216
Study type Interventional
Source University of Missouri-Columbia
Contact
Status Withdrawn
Phase N/A
Start date October 2010
Completion date August 2014

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