Does Ultrasound Improve Procedural Time in the Lateral Popliteal Approach to the Sciatic Nerve in Obese Patients

Completed · Phase 4

Conditions studied: Postoperative Pain

In brief

Ultrasound have been shown to improve the time needed to locate and block nerves in the non obese population. However, its utility is still unknown in the obese population. Ultrasound is known to produce poorer quality images in the obese population. This study aims to find out if it is a better tool for nerve localization compared to the traditional nerve stimulation technique.

Key facts

Study ID

NCT01579747

Run by

University of New Mexico

People needed

25

Starts

2012-07-01

Expected to finish

2013-03-01

Last updated by the study team

2014-01-24

Who can join

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

You may qualify if…

• ASA 1-3
• Age 18 and above
• BMI >30
• Operations requiring lateral popliteal approach to the sciatic nerve block

You may not qualify if…

• Diabetes
• Injection site deformities
• infection at the injection site
• existing peripheral neuropathy
• allergy to LA agents
• Dementia or communication problems
• Inability to understand or discern temperature difference
• Any other contraindication to lower limb peripheral nerve block

Where it is running

• University of New Mexico Hospital — Albuquerque, New Mexico, United States

Full record on ClinicalTrials.gov

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