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- W4253517319 abstract "Abstract Background: Few studies have focused on the role of hepatectomy for colorectal liver-limited metastases in elderly patients compared to matched younger patients. Methods: From January 2000 to December 2018, 724 patients underwent hepatectomy for colorectal liver-limited metastases. Based on a 1:2 propensity score matching (PSM) model, 64 elderly patients (≥70 years of age) were matched to 128 younger patients (＜70 years of age) to obtain two balanced groups with regards to demographic, therapeutic and prognostic factors. Results: There were 73 elderly and 651 younger patients in the unmatched cohort. Compared with the younger group (YG), the elderly group (EG) had significantly higher proportion of American Society of Anesthesiologists score Ⅲ and comorbidities, and lower proportion of more than 3 liver metastases and postoperative chemotherapy (p<0.05). After PSM for these factors, rat sarcoma virus proto-oncogene/B-Raf proto-oncogene (RAS/BRAF) mutation status and primary tumor sidedness, the EG had significantly less median intraoperative blood loss than the YG (175ml vs. 200ml, p=0.046), a shorter median postoperative hospital stay (8 days vs. 11 days, p=0.020) and a higher readmission rate (4.7% vs.0%, p=0.036). The EG also had longer disease-free survival (DFS), overall survival (OS) and cancer-specific survival (CSS) compared to the YG, but these findings were not statistically significant (p>0.05). Old age was not an independent factor for DFS, OS and CSS by Cox multivariate regression analysis (p>0.05). Conclusions: Hepatectomy is safe for colorectal liver-limited metastases in elderly patients, and these patients may subsequently benefit from prolonged DFS, OS and CSS." @default.
- W4253517319 created "2022-05-12" @default.
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- W4253517319 date "2020-10-21" @default.
- W4253517319 modified "2023-09-23" @default.
- W4253517319 title "Liver Resection for Colorectal Liver-limited Metastases in Elderly Patients: A Propensity Score Matching Analysis" @default.
- W4253517319 doi "https://doi.org/10.21203/rs.3.rs-53989/v3" @default.
- W4253517319 hasPublicationYear "2020" @default.
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