Association of scalp block with intraoperative hemodynamic profiles and postoperative pain outcomes at 24-48 hours following craniotomy: An updated systematic review and meta-analysis of randomized controlled studies Categories: Post-Craniotomy Pain Syndromes Author: Cheuk-Kwan Sun, Chun-Ning Ho, Chung-Hsi Hsing, I-Chia Teng, I-Wen Chen, Kuo-Chuan Hung, Pei-Han Fu, Wei-Cheng Liu