TerminatedNot Applicable

Cerebral Blood Flow Evaluation With Trancranial Doppler After Interscalene Nerve Block

Stopped: Study not properly designed for outcome measure

United States10 participantsStarted 2021-03-04

Plain-language summary

The purpose of this study is to assess cerebral blood flow velocity (CBFV) following regional anesthesia for shoulder surgery. The results of this study will help to further understand the physiologic effect of the interscalene nerve block on cerebral blood flow.

Who can participate

Age range18 Years – 85 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Patients undergoing orthopedic surgery and with an indication for preoperative insertion of interscalene nerve block * 18-85 years old * Give consent to participate in study Exclusion Criteria: * Cannot give consent * Patients who are clinically unstable or require urgent/emergent intervention

What they're measuring

Cerebral Blood Flow Velocity before and after interscalene nerve block

Timeframe: baseline, after 30 minutes

Trial details

NCT IDNCT04642612

SponsorStanford University

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2021-05-19

View on ClinicalTrials.gov More Regional Anesthesia trials