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Clinical Outcomes of Gastric Cancer Patients Who Underwent Proximal or Total Gastrectomy: A Propensity Score-Matched Analysis

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Total gastrectomy (TG) and proximal gastrectomy (PG) are used to treat upper-third early gastric cancer. To date, no consensus has been reached regarding which procedure should be selected. The aim of this study was to validate the usefulness of preserving the stomach in early upper-third gastric cancer.


Between 2004 and 2013, 201 patients underwent PG or TG at our institution for treatment of upper-third early gastric cancer. According to the defined inclusion and exclusion criteria, 192 cases were enrolled in this study. One-to-one propensity score matching was performed to compare the outcomes between the two groups.


The operation time was shorter in the PG group. Although no significant difference was observed, the PG group had less bleeding and fewer postoperative complications. R0 resection rate was 100%, and no surgery-related deaths were observed. The frequencies of reflux symptoms and anastomotic stenosis were significantly higher in the PG group, but could be controlled by balloon dilation and drug therapy. The maintenance rates of body mass index and lean body mass were significantly higher in patients who underwent PG than TG. The total protein and serum albumin values were higher in the PG group than in the TG group and remained statistically superior.


PG group exhibited better perioperative performance. Furthermore, better nutritional results were obtained in the PG group. Although the late stenosis and reflux symptoms must be addressed, the PG is a preferable surgical procedure for the treatment of early proximal gastric cancer.

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Correspondence to Yoshiyuki Fujiwara.

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Drs. Yuki Ushimaru, Yoshiyuki Fujiwara, Yuji Shishido, Yoshitomo Yanagimoto, Jeong-Ho Moon, Keijiro Sugimura, Takeshi Omori, Hiroshi Miyata, and Masahiko Yano have no conflicts of interest or financial ties to declare.

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Ushimaru, Y., Fujiwara, Y., Shishido, Y. et al. Clinical Outcomes of Gastric Cancer Patients Who Underwent Proximal or Total Gastrectomy: A Propensity Score-Matched Analysis. World J Surg 42, 1477–1484 (2018).

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