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Kamarajah, Sivesh K.; Phillips, Alexander W.; Griffiths, Ewen A.; Ferri, Lorenzo; Hofstetter, Wayne L.; Markar, Sheraz R.
Annals of surgical oncology, 12/2021, Letnik: 28, Številka: 13Journal Article
Backgrounds Due to a lack of randomized and large studies, the optimal surgical approach for Siewert 2 gastroesophageal junctional (GEJ) adenocarcinoma remains unknown. This population-based cohort study aimed to compare survival between esophagectomy and total gastrectomy for the treatment of Siewert 2 GEJ adenocarcinoma. Methods Data from the National Cancer Database (NCDB) from 2010 to 2016 was used to identify patients with non-metastatic Siewert 2 GEJ adenocarcinoma who received either esophagectomy ( n = 999) or total gastrectomy ( n = 8595). Propensity score-matching (PSM) and multivariable analyses were used to account for treatment selection bias. Results Comparison of the unmatched cohort’s baseline demographics showed that the patients who received esophagectomy were younger, had a lower burden of medical comorbidities, and had fewer clinical positive lymph nodes. The patients in the unmatched cohort who received gastrectomy had a significantly shorter overall survival than those who received esophagectomy (median, 47 vs. 68 months p < 0.001; 5-year survival, 45 % vs. 53 %). After matching, gastrectomy was associated with significantly reduced survival compared with esophagectomy (median, 51 vs. 68 months p < 0.001; 5-year survival, 47 % vs. 53 %), which remained in the adjusted analyses (hazard ratio HR, 1.22; 95 % confidence interval CI, 1.09–1.35; p < 0.001). Conclusions In this large-scale population study with propensity-matching to adjust for confounders, esophagectomy was prognostically superior to gastrectomy for the treatment of Siewert 2 GEJ adenocarcinoma despite comparable lymph node harvest, length of stay, and 90-day mortality. Adequately powered randomized controlled trials with robust surgical quality assurance are the next step in evaluating the prognostic outcomes of these surgical strategies for GEJ cancer.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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