Journal
EJSO
Volume 45, Issue 3, Pages 416-424Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejso.2018.09.017
Keywords
True cardia carcinoma; Transhiatal extended gastrectomy; Transthoracic esophagectomy
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Introduction: It is still a matter of debate whether subtotal esophagectomy via a right thoracoabdominal approach (RTA) or extended gastrectomy using a transhiatal-abdominal approach (TH) is the favorable technique in the treatment of Siewert type II esophago-gastric junction adenocarcinoma (EJA). Materials and methods: Patients undergoing RTA or TH for EJA at our institution between 2000 and 2013 were extracted from a prospective database. Of 270 patients 91 (33.7%) underwent RTA and 179 (66.3%) were treated by TH. Differences in baseline characteristics, 30d mortality and complications were investigated using the chi 2-test or exact testing. Survival analysis was performed using the Kaplan-Meier method and log rank testing. Median survival and hazard ratios were calculated and multivariable analysis of predictors was performed using a Cox model. Confounders were balanced using propensity score matching (PSM). Results: No significant difference between the two procedures was detected regarding overall-survival (OS) and disease-free survival (DFS). 30d mortality rates were 1.1% in the RTA group and 4.5% in the TH group (p = 0.134). Morbidity was 34.1% in the RTA and 24.6% in the TH group (p = 0.006). Cox regression analysis identified age, ASA class and UICC stage as independent prognostic factors for OS. After PSM survival curves (OS + PFS) showed no significant difference. Conclusion: The present study could not detect a difference between RTA and TH from the oncologic point of view; RTA was not associated with higher 30d mortality. RTA for Siewert Type II EJA is justified whenever the oral tumor margin cannot be safely reached via a transhiatal approach. (C) 2018 Elsevier Ltd, BASO similar to The Association for Cancer Surgery, and the European Society of Surgical Oncology. All rights reserved.
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