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Diaphragm-Sparing Regional Anesthesia Techniques for Shoulder Surgery

RecruitingNAAges 65 Years - 100 YearsAllPoznan University of Medical Sciences
NCT07474896 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

This study will compare two regional anesthesia techniques for shoulder surgery and evaluate their effects on diaphragmatic function. The standard regional anesthesia technique for shoulder surgery is the interscalene brachial plexus block (ISB), which provides effective analgesia but is frequently associated with ipsilateral hemidiaphragmatic paresis due to phrenic nerve involvement. An alternative diaphragm-sparing strategy is the combination of a suprascapular nerve block (SSNB) and an infraclavicular brachial plexus block (ICB), which may reduce the risk of diaphragmatic dysfunction while maintaining effective analgesia for shoulder surgery. All participants will receive ultrasound-guided regional anesthesia prior to surgery and will be randomly assigned to one of two groups: Group 1: Interscalene brachial plexus block Group 2: Suprascapular nerve block combined with infraclavicul

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📋 Eligibility rules (as published)
Inclusion Criteria: * Age ≥ 65 years * Elective shoulder surgery * ASA I-III * Planned use of regional anesthesia * Signed written informed consent Exclusion Criteria: * Allergy to local anesthetics * Planned continuous catheter technique * BMI \>40 kg/m² * Coagulopathy or anticoagulation * Pre-existing phrenic nerve palsy * Neurological disorder of the operative limb * Pregnancy or breastfeeding * Participation in another clinical trial within 30 days
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What it tests

  • Ropivacaine 0.2% for Interscalene Block
  • Ropivacaine 0.2% for Infraclavicular and Suprascapular Nerve Blocks
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Where

1 site
Poznan University of Medical Sciences
Poznan, Poland
🤝 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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