Clinical Efficacy of Supraclavicular Block for Arthroscopic Shoulder Surgery

Not Applicable

Completed

• Conditions: Horner's Syndrome
• Interventions: Other: Supraclavicular block; Other: Interscalene block

• Registration Number: NCT01958801
• Lead Sponsor: Daegu Catholic University Medical Center

Brief Summary

The aim of this study is to compare the efficacy of supraclavicular and interscalene brachial plexus blocks in the patients undergoing arthroscopic shoulder surgery.

Detailed Description

This study aims to compare supraclavicular brachial plexus block to interscalene brachial plexus block with regard to degree of sensory and motor blockades, side effects and complications of the blocks, and frequency of intraoperative analgesics or antihypertensives use.

Study Timeline

• Study Start: 2013-09
• Study First Submitted: 2013-10-07
• Study First Submitted QC: 2013-10-07
• Study First Posted: 2013-10-09
• Primary Completion: 2014-03
• Study Completion: 2014-03
• Status Verified: 2014-04
• Last Update Submitted: 2014-04-06
• Last Update Posted: 2014-04-08

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 104

Inclusion Criteria

• American Society of Anesthesiologists physical status I-II
• Body mass index < 35 kg/m2

Exclusion Criteria

• Neurologic deficits on the side to be blocked
• Infection or inflammation at the puncture site for brachial plexus block
• Psychiatric disorders
• Patient refusal
• Difficulty to communicate
• Coagulation deficiencies

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Supraclavicular block	Supraclavicular block	Supraclavicular block is performed under ultrasound guidance. Linear probe is placed on the ipsilateral supraclavicular fossa visualizing the brachial plexus located lateral to the subclavian artery. Using in-plane technique, nerve stimulation needle is advanced into the brachial plexus sheath, into which 25 ml of 1.5% mepivacaine is injected.
Interscalene block	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, nerve stimulation needle is advanced into the brachial plexus sheath, into which 25 ml of 1.5% mepivacaine is injected.

Primary Outcome Measures

Name	Time	Method
Degree of sensory blockade	20 minutes after the end of local anesthetics injection	Sensory blockade of the C5 to T1 dermatomes was assessed by rating the absence of cold sensation between 100 (intact sensation) and 0 (no sensation) with an alcohol swab.

Secondary Outcome Measures

Name	Time	Method
Side effects	20 minutes after the end of local anethetics injection	Horner's syndrome (ptosis, miosis, anhidrosis) Subjective dyspnea Hoarseness
Frequency of intraoperative analgesics or antihypertensives use	At the end of the surgery	Frequency of intraoperative use of opioids (fentanyl) or antihypertensives (hydralazine)
Degree of motor blockade	20 minutes after the end of local anethetics injection	Motor blockade was evaluated by elbow and wrist extension (radial nerve), finger abduction (ulnar nerve), wrist flexion (median nerve), and elbow flexion (musculocutaneous nerve). The muscle force was rated on a scale of 0 to 6 as follows (6: normal muscle force; 5: slightly reduced muscle force; 4: greatly reduced muscle force; 3: slightly impaired mobility; 2: greatly impaired mobility; 1: near complete paralysis; 0: complete paralysis).

Trial Locations

Locations (1)

Daegu Catholic University Medical Center; 🇰🇷 Daegu, Korea, Republic of