The Effectiveness of Different Techniques of Interscalene Brachial Plexus Block With General Anesthesia for Shoulder Arthroscopy

Study Overview
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Brief Summary
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There are different techniques of interscalene brachial plexus block, we aimed to evaluate the effectiveness of 3 of them as analgesia during shoulder arthroscopy surgery under general anesthesia.

Detailed Description
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Prospective randomized controlled study There were 4 groups included in our study: Group N: nerve stimulator guided interscalene brachial plexus block was done Group U: ultrasound guided interscalene brachial plexus block was done Group NU: dual guidance (using both nerve stimulator and ultrasound) Group C: control group We assessed in each group: heart rate, noninvasive blood pressure, time needed for block, onset of sensory and motor power loss and their offset, and finally patient satisfaction.

Official Title
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The Effectiveness of Different Techniques of Interscalene Brachial Plexus Block With General Anesthesia for Shoulder Arthroscopy

Conditions
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Shoulder and Upper Arm Injury

Intervention / Treatment
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* Device: ultrasound and nerve stimulator


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age: 18-65 years old. Sex: Both sexes. ASA I & II. Exclusion Criteria: - Patient refusal. Bleeding disorders. Damage or disease of the brachial plexus. ASA more than II. Pre-existing peripheral neuropathy. Patients with neuromuscular diseases. Patients with known hypersensitivity to drugs of the study. Patients with local skin infection at the site of injection. Psychiatric diseases interfering with evaluation of the block.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: NU group<br>Bth nerve stimulator and ultrasound guided interscalene brachial plexus block | Device: ultrasound and nerve stimulator<br>* nerve stimulator and ultrasound guided interscalene brachial plexus block<br>|
| Active Comparator: U group<br>Ultrasound guided interscalene brachial plexus block | Device: ultrasound and nerve stimulator<br>* nerve stimulator and ultrasound guided interscalene brachial plexus block<br>|
| Active Comparator: N group<br>Nerve stimulator guided interscalene brachial plexus block | Device: ultrasound and nerve stimulator<br>* nerve stimulator and ultrasound guided interscalene brachial plexus block<br>|
| No Intervention: C group<br>No block only IV analgesics | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Analgesic effect of each technique | using visual analogue scale for pain The patient is asked to express the degree of pain in numbers from 0-10, where 0 means no pain and 10 represents severe pain. | 12 hour | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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shoulder arthroscopy