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Impact of intraoperative blood loss on long-term survival after lung cancer resection
Haruhiko Nakamura1, Hisashi Saji, Noriaki Kurimoto
1Department of Chest Surgery, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan.
Purpose:
The purpose of this study was to clarify relationships between intraoperative blood loss (IBL) and long-term postsurgical survival in lung cancer patients.
Methods:
We retrospectively analyzed 1336 patients undergoing surgery: lobectomy in 1016, sublobar resection in 174, pneumonectomy in 106, and combined resection with adjacent organs in 40. The lobectomy group was stratified further by pathologic stages; overall survival difference was examined according to amount of IBL.
Results:
Volume of IBL differed significantly according to surgical procedure when all patients were included. Within the lobectomy group, IBL differed significantly between gender, pathologic stage, histologic type (adenocarcinoma vs. non-adenocarcinoma), and year of operation (1983 to 2002 vs. 2003 to 2012). After stratification by pathologic stage, survival differed with IBL for stages IB to IIIB. Multivariate analysis identified gender, patients age (<69 vs. ≥69), pathologic stage (IA to IIB vs. IIIA to IV), year of operation, histologic type, and IBL as significant predictors of survival.
Conclusion:
Since degree of IBL is an independent predictor of overall survival after lung cancer resection, IBL should be minimized carefully during surgery.
