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Clinical Trial Summary

This study has been designed to assess the possible advantages of using ultrasound imaging to block the brachial plexus (i.e., nerves of the upper limb) in patients undergoing shoulder surgery.

The ultrasound technique will be compared with the current gold standard, electrical nerve stimulation.

The aim of this study is to define which technique is better in terms of time to onset of anesthesia.


Clinical Trial Description

The study will compare real-time ultrasound (US) guidance and electrical nerve stimulation (ENS) in terms of onset time for interscalene brachial plexus anesthesia.

The main hypothesis is that direct visualization of neural structures under US guidance will grant better local anesthetic (LA) disposition around the roots of the plexus, thus improving onset times.

Perineural catheters will be used to maintain regional analgesia for 48 hours after surgery. We hypothesize that US guidance may also help physicians place perineural catheters more precisely, thus improving analgesia in the following hours to days.

Finally, we will investigate for possible differences in minor adverse events such as vascular puncture, pain during the anesthetic procedure. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00702416
Study type Interventional
Source University of Parma
Contact
Status Completed
Phase Phase 4
Start date May 2008
Completion date November 2009

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