AUTHOR=Bai Lili , Zhao Lina , Jia Fang , Liu Ying , Li Ping TITLE=Effects of dexmedetomidine-ropivacaine assisted combined spinal-epidural anesthesia on neutrophil-lymphocyte ratio and postoperative delirium in elderly patients with intertrochanteric femoral fracture JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1454452 DOI=10.3389/fphar.2024.1454452 ISSN=1663-9812