AUTHOR=Hu Li , Sun Jintao , Zhang Bin , Ye Xiaoyan , Lu Jian , Zhu Zhipeng , Zhou Hongmei 

TITLE=Effectiveness of Perfusion Index ratio and End-Diastolic Velocity ratio in evaluating the efficacy of Interscalene Brachial Plexus Block: a prospective observational study

JOURNAL=Frontiers in Medicine

VOLUME=Volume 12 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1571171

DOI=10.3389/fmed.2025.1571171

ISSN=2296-858X