Abstract
4070 Background: In the SENORITA trial, laparoscopic sentinel node navigation surgery (LSNNS) showed no significant difference in overall and disease specific survivals compared with laparoscopic standard gastrectomy (LSG). Here, we present the effect of stomach preservation surgery on QoL and nutritional outcomes, and identify risk factors affecting QoL in stomach preservation surgery. Methods: SENORITA was a prospective multicenter randomized trial. Patients diagnosed with early gastric cancer of 3 cm or less were randomly allocated (1:1) to LSNNS or LSG. The primary endpoint was 3-year disease-free survival. This analysis focuses on long-term quality of life and nutritional outcomes of patients who finally underwent stomach-preservation surgery in the LSNNS group. QoL was assessed using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and stomach module (STO22) at 3, 12, 24, and 36 months after surgery. Linear mixed model analyses were used to evaluate differences between treatment groups. This trial is registered with ClinicalTrials.gov, NCT01804998. Results: From March 2013 to March 2017, a total of 580 patients were randomly assigned in the SENROTA trial. Among them, 258 patients underwent sentinel node navigation surgery and 198 finally underwent stomach preservation surgery. QoL data was available in 194 patients and compared with those of 257 patients who underwent standard gastrectomy. The stomach-preservation group had better QoL in physical function, dyspnea, and appetite loss of C30 and dysphagia, pain, reflux symptoms, eating restriction, anxiety, taste change, body image, and total score of STO22. Regarding nutritional outcomes, body mass index, hemoglobin, protein, and albumin levels were significantly higher in the stomach-preservation group than in the gastrectomy group. In multivariate analyses, tumor location (greater curvature) was an independent favorable factor affecting global health status, reflux symptoms, eating restriction, and total score of STO22 at 3 months in the stomach-preservation group. Segmental resection was a risk factor for diarrhea and eating restriction at postoperative 3 year. Conclusions: The stomach-preservation surgery had better long-term QoL and nutritional outcomes compared with standard gastrectomy. These findings can help decision making about treatment for patients with early gastric cancer, especially or elderly or nutritionally high risk patients. Clinical trial information: NCT01804998 .
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