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Efficacy of high-protein diet protocol and education after distal gastrectomy for gastric cancer patients to prevent loss of lean body mass in Korea: a non-randomized controlled study
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Hee Kyung Yoon, Sun Ae Kim, Ji Yoon Han, Dong Jin Kim
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Ann Clin Nutr Metab 2024;16(1):10-19. Published online April 1, 2024
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DOI: https://doi.org/10.15747/ACNM.2024.16.1.10
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 Abstract
 PDF Supplementary Material
- Purpose: We studied whether active education of patients about the importance of a high-protein diet can prevent lean body mass loss after gastrectomy for gastric cancer.
Methods: In the study group, intensive high protein diet education and monitoring was performed immediate post operative, 1, 3, and 6 months after surgery. Study group patients were compared with data from the control group formed using propensity matching with the study group for age, sex, resection extent, and TNM stage. Clinicopathologic factors were compared between the groups, and changes in quality of life (QOL) and lean body mass between preoperative levels and 6 months after surgery were assessed.
Results: Among the 100 patients, 31 patients from each group were matched with propensity matching. The groups had no significant clinicopathologic differences. Although the changes in QOL scale and body composition did not differ statistically between the groups, a favorable trend was observed in the study group. Six months after surgery, the mean change in the QOL scale, which measured physical, role, emotional, cognitive, and social functioning, decreased less than the control group or even increased in the study group. In the body composition analysis, the study group showed greater reductions in weight, body mass index, fat mass, and body fat percentage than the control group, and their lean body mass and skeletal muscle mass decreased less.
Conclusion: A high-protein diet protocol and education might increase patient QOL and prevent a decrease in lean body weight 6 months after distal gastric resection.
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