Background: Controversy exists about the benefit of additional surgery after endoscopic submucosal dissection (ESD) for early gastric cancer (EGC).
Aim: To examine risk factors for overall survival (OS) after additional surgery in patients with EGC who initially underwent ESD.
Methods: This was a retrospective analysis of patients with EGC who underwent additional surgery after ESD at the Beijing Friendship Hospital affiliated to Capital Medical University between August 2012 and August 2019. OS was the primary outcome. Lymph node metastasis and residual tumor were secondary outcomes. Logistic regression models and Kaplan-Meier curves were used for further analysis.
Results: Forty-two patients were evaluated, including 35 (83.3%) males and 7(16.7%) females. The mean age was 62 (range, 32-82) years. Male sex [hazard ratio (HR) = 21.906, 95% confidence interval (CI): 3.762-229.250; = 0.039), T1b invasion (HR = 3.965, 95%CI: 1.109-17.432; = 0.047), undifferentiated tumor (HR = 9.455, 95%CI: 0.946-29.482; = 0.049), lymph node metastasis (HR = 2.126, 95%CI: 0.002-13.266; = 0.031), and residual tumor (HR = 4.275, 95%CI: 1.049-27.420; = 0.043) were independently associated with OS. The follow-up duration was 4-81 mo (median: 50.7 mo). OS was 77.0 ± 12.1 mo (95%CI: 53.3-100.7 mo). The 3-year and 5-year OS rates were 94.1% and 85%, respectively.
Conclusion: Male sex, T1b invasion, undifferentiated tumor, lymph node metastasis, and residual tumor are independently associated with OS in patients with EGC who underwent additional surgery after ESD.
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| http://dx.doi.org/10.12998/wjcc.v9.i10.2192 | DOI Listing |
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