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Updated: Jul 16, 2025

Control of Eating Behavior Using a Novel Feedback System
Published on: May 8, 2018
Impact on quality of life with affirmative feedback on weight loss after gastrectomy
Seung Soo Lee1, Ho Young Chung2, Oh Kyoung Kwon3
1Department of Surgery, Kyungpook National University Hospital, School of Medicine, Kyungpook National University, 130 Dongdeok-ro, Jung-gu, Daegu, 700-721, Republic of Korea.
Abstract:
This study investigated the feasibility of improving post-gastrectomy satisfaction/quality of life (QoL) of gastric cancer survivors by readjusting their expectations through patient interviews. Weight loss after gastric cancer surgery is common, and a change in the departmental policy helped in providing cancer survivors with an alternative interpretation of lost weight. Under the new policy, a group of patients who were preoperatively overweight or obese were provided with affirmative feedback, despite their postoperative weight loss. The European Organization for Research and Treatment of Cancer QoL Questionnaire-C30 and -STO22 were used to assess the QoL. The postoperative 1-year QoL was compared before (control) and after policy changes (affirmative-feedback group) in preoperatively overweight (or obese) patients who lost weight. Despite the weight loss, the affirmative-feedback group exhibited a higher percentage of "less worried" responses (90.4%) on low body weight concerns as compared to the control group (76.5%; P = 0.037). Significant QoL advantages were also observed in the affirmative-feedback group on multiple scales (global health status/QoL, nausea/vomiting, diarrhea, dysphagia, dry mouth, and body image). Patient interviews with affirmative feedback on weight loss improved weight satisfaction and QoL in gastric cancer survivors who lost weight.
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