Last updated on April 2019

Utility of Ultrasound in Identification of Midline and Placement of Epidural in Severely Obese Parturients

Brief description of study

This study will address the utility of ultrasound in the placement of an epidural catheter in severely obese parturients. Identification of midline can often be difficult using the standard method of palpation in obese patients. The Investigator will determine if the use of ultrasound decreases the amount of time and number of attempts required to place the epidural.

Detailed Study Description

The use of ultrasound has expanded into many areas of medicine including the identification of bony landmarks to facilitate epidural placement in obstetric anesthesia. Using ultrasound for epidural placement has become popular over the last decade with several studies being published on the topic. The likely increase in popularity for ultrasound use in the obstetric population is the need to more reliably locate bony landmarks as the traditional palpation technique has been shown to be an inaccurate way to accomplish this. Given the fact that the long-taught palpation technique can be inaccurate and studies have validated the use of ultrasound for epidural placement, ultrasound technique is routinely taught by the obstetric anesthesiologists to the anesthesiology residents at UAB. Also, since both techniques are considered standard practice at UAB, anesthesia providers (residents, fellows, and faculty) are free to choose either technique to locate bony structures of the back prior to epidural placement. Since no current study has specifically addressed its use in the obese pregnant patient, the investigators would like to validate its use in this population.

In this study, investigators will evaluate the use of ultrasound in the obese population to determine if its use will decrease the time it takes to place the epidural and number of attempts required when compared to the traditional palpation technique. The study will also determine the success rate of epidural placement in both the palpation and ultrasound groups.

Clinical Study Identifier: NCT03100968

Recruitment Status: Closed

Brief Description Eligibility Contact Research Team

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