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Sensorimotor Block Dynamics and Hemidiaphragmatic Palsy: Selective Trunk Block vs Supraclavicular Brachial Plexus Block

RecruitingNAAges 18 Years - 75 YearsAllChinese University of Hong Kong
NCT05649644 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Ultrasound guided supraclavicular brachial plexus block (BPB) has been extensively studied and recommended as a sole anesthetic for upper extremity surgeries. The efficacy of ultrasound-guided (USG) SeTB for surgical anesthesia of the entire upper extremity and cadaver anatomic study evaluating the spread of the injectate after a simulated SeTB is further confirmed from the results of our previous research. Although the results in our previous study are encouraging, there is a paucity of data on sensorimotor blockade and incidence of hemidiaphragmatic palsy after a SeTB, and no data comparing SeTB with a supraclavicular BPB techniques which this study aims to evaluate. We hypothesise that USG SeTB is superior to supraclavicular BPB in anesthetising the entire upper extremity from the shoulder to hand.

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📋 Eligibility rules (as published)
Inclusion Criteria: * ASA 1-3 patients * Undergoing elective or emergency upper extremity surgery involving anywhere from the proximal humerus to distal hand or surgery involving any combination of these regions Exclusion Criteria: * Patient refusal * Pregnancy * Skin infection at the site of block placement * History of allergy to local anaesthetic (LA) drugs * Bleeding tendency or with evidence of coagulopathy * Pre-existing respiratory disease * Neurological deficit or neuromuscular disease.
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What it tests

  • Selective Trunk Block (SeTB)
  • Supraclavicular Brachial Plexus Block (SC BPB)
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Where

1 site
Department of Anaesthesia & Intensive Care, Prince of Wales Hospital, Shatin, New Territories,
Hong Kong, Hong Kong
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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