[P02-33] [International Session]Anesthesia-related 2:International　Session

[P02-33-03] The effect of intraoperative colloid on postoperative bleeding in patients undergoing spine surgery – retrospective study

〇Jeong-Hyun Choi¹, Sangho Lee¹, Anhee You¹, Sang-Eun Ahn¹, Keon Sik Kim¹ (1. Department of Anesthesiology and Pain Medicine, College of Medicine, Kyung Hee University, Seoul, Korea)