Gu-Ha A-Lai , Li Lian , Yong-Sheng Zhao , Chuan Zhong , Xia Zhong , Yi- Dan Lin
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引用次数: 0
Abstract
Background
: For esophageal squamous cell carcinoma (ESCC), the role of extended LND is still controversial regarding long-term survival and complication. This study aimed to explore the role of extended lymph node dissection (LND) count in ESCC.
Methods
: A systematic literature search was conducted including Web of Science, MEDLINE and Embase. Pooled hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated via fixed-effects or random-effects model to assess the pooled survival effect of different lymph node dissection count. Beside, short-term outcomes were analyzed.
Results
: A total of 34 studies containing 26893 patients were included for analysis. For overall survival (OS) analysis, increased LND group was associated with significantly favorable OS (HR=0.69, 95% Cl: 0.63-0.77, P<0.00001), while viewing LND count as a continous variable, the pooled analysis also demonstrated significantly better OS (HR=0.98, 95% Cl: 0.98-0.99, P<0.00001) with increased LND. Compared with low LND patients, increased LND were beneficial for disease-free survival (HR=0.51, 95% Cl: 0.28-0.94, P=0.03), while no significant difference was observed in cancer specific survival (HR=0.80, 95% Cl: 0.57-1.12, P<0.00001) . Analysis of patients received neoadjuvant therapy revealed that high LND group was also related to better OS (HR=0.70, 95% Cl: 0.53-0.92, P<0.00001) than low LND group. No statistical differences were observed between low and high LND groups regarding complications (HR=1.34, 95% Cl: 0.95-1.87, P=0.09).
Conclusion
: This meta-analysis revealed increased lymph node dissection was significantly favorable for overall survival of ESCC patients without increasing postoperative complications, which was also applicable for neoadjuvant-treated patients.
期刊介绍:
Current Problems in Surgery keeps readers up-to-date on the latest surgical advances. Each month, this publication examines a single clinical problem or condition commonly seen by general surgeons. Issues also focus on topics in surgical research and emerging ideas in surgical subspecialties. Current Problems in Surgery is ideal for information too urgent to await book publication, yet too important to be summarized in a brief journal article.