BACKGROUND: Few studies have evaluated the outcomes of laparoscopic-assisted total gastrectomy (LATG) for Siewert type II and III adenocarcinoma of the esophagogastric junction (AEG). Thus, aim of this study was to investigate the surgical outcomes of LATG for Siewert type II and III AEG. METHODS: Clinical data for 700 Siewert type II and III AEG patients were analyzed retrospectively. The short- and long-term outcomes were compared between the matched groups using a propensity score matching method. RESULTS: Before matching, the comorbidities, Siewert classifications and tumor invasion depths significantly differed between the LATG and open total gastrectomy (OTG) groups. After matching, the clinicopathologic characteristics were well balanced between the two groups. In addition, after matching, decreases in the operative time, amount of blood loss, time to resumption of a semifluid diet, and length of hospital stay and an increased number of lymph nodes (LNs) retrieved were observed in the LATG group compared with the OTG group. Further, a significantly higher 3-year overall survival rate (81.3 vs 66.4%; P = 0.011) and disease-free survival rate (77.5 vs 63.8%; P = 0.040) were observed for the Siewert type II AEG patients in the LATG group compared with those in the OTG group; however, the survival rates were similar for the Siewert type III AEG patients in the two groups (P = 0.853 and P = 0.844, respectively). CONCLUSIONS: LATG is associated with better short-term outcomes for Siewert type II and III AEG. In addition, it may result in an increased number of retrieved LNs and better long-term survival for Siewert type II AEG patients in particular.
BACKGROUND: Few studies have evaluated the outcomes of laparoscopic-assisted total gastrectomy (LATG) for Siewert type II and III adenocarcinoma of the esophagogastric junction (AEG). Thus, aim of this study was to investigate the surgical outcomes of LATG for Siewert type II and III AEG. METHODS: Clinical data for 700 Siewert type II and III AEG patients were analyzed retrospectively. The short- and long-term outcomes were compared between the matched groups using a propensity score matching method. RESULTS: Before matching, the comorbidities, Siewert classifications and tumor invasion depths significantly differed between the LATG and open total gastrectomy (OTG) groups. After matching, the clinicopathologic characteristics were well balanced between the two groups. In addition, after matching, decreases in the operative time, amount of blood loss, time to resumption of a semifluid diet, and length of hospital stay and an increased number of lymph nodes (LNs) retrieved were observed in the LATG group compared with the OTG group. Further, a significantly higher 3-year overall survival rate (81.3 vs 66.4%; P = 0.011) and disease-free survival rate (77.5 vs 63.8%; P = 0.040) were observed for the Siewert type II AEG patients in the LATG group compared with those in the OTG group; however, the survival rates were similar for the Siewert type III AEG patients in the two groups (P = 0.853 and P = 0.844, respectively). CONCLUSIONS:LATG is associated with better short-term outcomes for Siewert type II and III AEG. In addition, it may result in an increased number of retrieved LNs and better long-term survival for Siewert type II AEG patients in particular.
Authors: Andrew P Barbour; Nabil P Rizk; Mithat Gonen; Laura Tang; Manjit S Bains; Valerie W Rusch; Daniel G Coit; Murray F Brennan Journal: Ann Surg Date: 2007-07 Impact factor: 12.969
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