Impact of Smoking on Ultrasound-Guided Infraclavicular Brachial Plexus Block Onset and Duration
NCT ID: NCT06755229
Last Updated: 2025-01-01
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
40 participants
OBSERVATIONAL
2025-01-15
2025-03-20
Brief Summary
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Using a high-frequency linear ultrasound transducer, the axillary artery, vein, and the three nerve cords will be identified in the lateral infraclavicular region. After disinfection with ethanol-chlorhexidine, a sterile drape will be placed, and the attending anesthesiologist will perform the ultrasound-guided infraclavicular brachial plexus block with a triple injection technique. A total of 10 mL of bupivacaine 0.25% and prilocaine 0.05% will be injected at all three nerve cords.
The primary outcome will be the sensory blockade onset time, while secondary outcomes will include the duration of sensory and motor blockade, motor blockade onset time, time to first postoperative rescue analgesia, and total consumption of rescue analgesia. Postoperative pain will be assessed using the Visual Analogue Scale (VAS) within the first 24 hours at intervals of 2, 4, 8, 12, 16, and 24 hours. If VAS exceeds 30 cm, rescue analgesia with 0.05 mg/kg intravenous morphine sulfate will be administered.
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Non-smoker
Never smoked in their life
No interventions assigned to this group
Smoker
≥20 cigarettes/day for\>1 year
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Scheduled for acute or elective hand or forearm surgery under the lateral infraclavicular block
Exclusion Criteria
* bleeding disorder
* coagulopathy
* medication with vitamin K antagonists
* high-dose or fractionated heparin treatment
* allergy to local anaesthetics
* infection at the site of needle insertion
* peripheral neurological disease
* pregnancy
18 Years
65 Years
ALL
No
Sponsors
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Selcuk University
OTHER
Responsible Party
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Mehmet SARGIN
Associate Professor
Other Identifiers
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2024-12-2
Identifier Type: -
Identifier Source: org_study_id
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