NCT02342873

Nerve Stimulator Versus Ultrasound-guided Interscalene Block for Shoulder Surgery

A Randomized Comparison of Nerve Stimulator-guided and Ultrasound-guided Interscalene Block for Shoulder Surgery

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 53 (actual)
• Sponsor: Cheju Halla General Hospital · Academic / Other
• Sex: All
• Age: 18 Years – 80 Years
• Healthy volunteers: Not accepted

Summary

The investigators compared the postoperative analgesia of nerve stimulator-guided and ultrasound-guided interscalene block after shoulder surgery.

Detailed description

Ultrasound (US)-guided peripheral nerve block has increased in popularity. It has many advantages such as improved success rate, faster onset time, fewer needle passes, shorter performance time, and reduced procedural pain and vascular puncture. However, there is no information about postoperative analgesia. Therefore, the investigators tested whether nerve stimulator (NS) - guided interscalene block was inferior to ultrasound-guided block in terms of duration of postoperative analgesia for shoulder surgery.

Conditions

• Pain

Interventions

Type	Name	Description
PROCEDURE	NS-guided interscalene block	Patients received a standard single injection interscalene block using the modified lateral approach of Borgeat. The interscalene brachial plexus was identified using an insulated needle connected to a nerve stimulator. An insulated needle attached to a nerve stimulator was used to identify the brachial plexus. Placement of the needle was considered adequate if the deltoid, triceps, pectoralis, or biceps muscle motor response was still present at 0.2 - 0.5mA. Ropivacine 0.75% 20ml was used.
PROCEDURE	US-guided interscalene block	Interscalene block is performed under ultrasound guidance. Linear probe is placed on the ipsilateral interscalene groove visualizing the brachial plexus located between anterior and middle scalene muscles. Using in-plane technique, an insulated needle is advanced into the brachial plexus sheath, into which 20 ml of 0.75% ropivacaine is injected

Timeline

• Start date: 2014-03-01
• Primary completion: 2015-02-01
• Completion: 2015-02-01
• First posted: 2015-01-21
• Last updated: 2017-07-17

Locations

1 site across 1 country: South Korea