Ultrasound-Guided Extrafascial Versus Intrafascial Interscalene Brachial Plexus Block in Shoulder Arthroscopy
NCT ID: NCT05222334
Last Updated: 2022-02-03
Study Results
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Basic Information
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UNKNOWN
NA
50 participants
INTERVENTIONAL
2022-02-01
2023-02-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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Intrafascial interscalene brachial plexus block group
The patients will receive 10 ml of 0.5% bupivacaine for intrafascial interscalene brachial plexus block group
Intrafascial interscalene brachial plexus block
After sterilization of skin with povidone-iodine (betadine) and skin infiltration with 1-3ml lidocaine 1%, interscalene brachial plexus block will be performed using an ultrasound machine (Phillips Cx-50,Amsterdam, Netherlands) with a linear probe (L12-3 MHz) will be used in both groups. The US transducer will be placed under aseptic fashion on the lateral side of the neck at the cricoid cartilage level to view three hypoechoic structures, that represent the roots of the brachial plexus.
The two outermost nerve roots (C5 and C6) between the anterior and the middle scalene muscles will be identified and the local anesthetic (10 ml 0.5% bupivacaine) is then injected, so that spread will be seen immediately between the C5 and the C6 nerve roots.
Bupivacaine
bupivacaine
Extrafascial interscalene brachial plexus block group
The patients will receive 10 ml of 0.5% bupivacaine for extrafascial interscalene brachial plexus block group
Extrafascial interscalene brachial plexus block group
Final needle tip position will be 4 mm lateral to the brachial plexus sheath, at a level equidistant between C5 and C6 roots. The distance of 4 mm is chosen according to the calculated success rate over 90% reported. the local anesthetic (10 ml 0.5% bupivacaine) is then injected
Bupivacaine
bupivacaine
Interventions
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Intrafascial interscalene brachial plexus block
After sterilization of skin with povidone-iodine (betadine) and skin infiltration with 1-3ml lidocaine 1%, interscalene brachial plexus block will be performed using an ultrasound machine (Phillips Cx-50,Amsterdam, Netherlands) with a linear probe (L12-3 MHz) will be used in both groups. The US transducer will be placed under aseptic fashion on the lateral side of the neck at the cricoid cartilage level to view three hypoechoic structures, that represent the roots of the brachial plexus.
The two outermost nerve roots (C5 and C6) between the anterior and the middle scalene muscles will be identified and the local anesthetic (10 ml 0.5% bupivacaine) is then injected, so that spread will be seen immediately between the C5 and the C6 nerve roots.
Extrafascial interscalene brachial plexus block group
Final needle tip position will be 4 mm lateral to the brachial plexus sheath, at a level equidistant between C5 and C6 roots. The distance of 4 mm is chosen according to the calculated success rate over 90% reported. the local anesthetic (10 ml 0.5% bupivacaine) is then injected
Bupivacaine
bupivacaine
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
2. Pre-existing (obstructive or restrictive) pulmonary disease.
3. Bleeding disorders (coagulopathy).
4. Mental dysfunction.
5. History of allergy to local anesthetics.
6. Pregnancy
7. Body mass index (BMI) \>40
21 Years
60 Years
ALL
No
Sponsors
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Tanta University
OTHER
Responsible Party
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Radwa Emad Eissa
Assistant lecturer
Other Identifiers
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33802/4/20
Identifier Type: -
Identifier Source: org_study_id
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