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Assessing the Enhanced Precision: The Value of Impedance in Ultrasound-Guided Nerve Blocks (Axillary, Interscalene, Popliteal Sciatic), an Exploratory Prospective Observational Study

Recruitingn/aAges 18 Years - 90 YearsAllLebanese American University
NCT06620471 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Impedance can have an impact on nerve block during loco-regional anesthesia, particularly when using techniques such as nerve stimulation or ultrasound guidance to locate and block specific nerves. Impedance refers to the resistance to electrical current flow within tissue, and it can affect the ability to stimulate nerves or visualize them using ultrasound. The aim of this research is to assess the impedance across different tissue type during an axillary peripheral nerve block (skin, fat, fascia, muscle, nerve proximity). The results of this study would help clinicians performing nerve block to enhance the precision of needle placement, thus increase the success rate of nerve block and reduce adverse events such as intraneural or intravascular injections.

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📋 Eligibility rules (as published)
Inclusion Criteria: * Individuals aged 18 years to 90 years old * No infection at the injection site * Patient signed the study consent form * No contraindications for nerve block * No allergies to any of the drugs used * Patient able to communicate effectively Exclusion Criteria: * Patients not meeting the inclusion criteria * Patients with bleeding disorders or undergoing anticoagulation therapy * Pregnant patients * Patients with mental incapacity * Any medical conditions posing severe risks during the procedure
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What it tests

  • Not listed
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Where

1 site
Lebanese American University Rizk Hospital
Beirut, Lebanon
🤝 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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