An observational study in Orthopedic, sponsored by Ochsner Health System. Withdrawn at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2022-04-27.
Sponsored by Ochsner Health System · Observational
The primary objective of this study is to compare ultrasound versus nerve stimulator techniques for nerve localization when performing peripheral nerve blocks. Specifically the investigators will be performing Popliteal, Femoral, and Interscalene nerve blocks. The investigators will be looking for differences in 1) time taken to locate the target nerve and inject local anesthetic 2) time from injection of local anesthetic to adequate surgical anesthesia 3) effectiveness of block 4) incidence of vascular puncture 5) incidence of adverse events 6) patient satisfaction.
After obtaining informed consent, subjects will be randomized to either the ultrasound or nerve stimulator groups as the method for nerve localization prior to peripheral block placement.
Ochsner Health System is the lead sponsor of 54 studies on the registry; 7 are open to participants now.
Of its 7 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.
Counted across the registry records on this site, refreshed daily.
Patients 18 years of age or older undergoing outpatient knee arthroscopy or lower leg/foot surgery as well as shoulder arthroscopy.
Exclusion Criteria:
Allergy to:
Subjects having orthopedic surgery requiring an interscalene peripheral nerve block and randomized to have the ultrasound used to locate the nerve.
Subjects having orthopedic surgery requiring an interscalene peripheral nerve block and randomized to have the nerve stimulator used to locate the nerve.
Subjects having orthopedic surgery requiring an popliteal peripheral nerve block and randomized to have the ultrasound used to locate the nerve.
Subjects having orthopedic surgery requiring an popliteal peripheral nerve block and randomized to have the nerve stimulator used to locate the nerve.
Subjects having orthopedic surgery requiring an femoral peripheral nerve block and randomized to have the ultrasound used to locate the nerve.
Subjects having orthopedic surgery requiring an femoral peripheral nerve block and randomized to have the nerve stimulator used to locate the nerve.
time from injection of local anesthetic to adequate surgical anesthesia
Time frame: within the first 45 minutes after injection of local anesthestic
effectiveness of block
Time frame: within 1 hour of injection
time taken to locate the target nerve and inject local anesthetic
Time frame: within 45 minutes prior to injection
incidence of vascular puncture
Time frame: within 30 minutes of injection
incidence of adverse events
Time frame: within 2 weeks of the day of surgery
patient satisfaction
Time frame: within 2 weeks of the date of surgery
This study is withdrawn, as verified in Apr 2022. You cannot join it, but the record below documents what was studied.
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Ochsner Health System