Diaphragm-sparing regional anesthesia for shoulder surgery

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized trial compares two regional anesthesia approaches for elective shoulder surgery in adults 65 and older. One group receives the conventional interscalene brachial plexus block, while the other receives a combination of suprascapular nerve block and infraclavicular brachial plexus block. Diaphragmatic function will be measured with ultrasound before and after block placement, alongside outcomes such as pain, opioid use, pulmonary function, complications, length of stay, and patient satisfaction. All participants receive ultrasound-guided blocks and ropivacaine for each technique. The study aims to determine if the diaphragm-sparing approach maintains analgesia while reducing diaphragmatic impairment.

Why it matters

Who can join: the full rules

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

Where it's running

• Poznan University of Medical Sciences
  Poznan, Poland Recruiting

Study contacts

• Study coordinator: Malgorzata Reysner, MD PhD
• Email: mreysner@ump.edu.pl
• Phone: +48618738313

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.