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Changing trends in gastric disorders Mitsuru Kaise 1 , Katsuhiko Iwakiri 1 1Department of Gastroenterology, Nippon Medical School, Tokyo, Japan Keyword: gastric disorder , super aging , H. pylori infection pp.960-969
Published Date 2023/8/25
DOI https://doi.org/10.24479/endo.0000000825
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 Japan’s population will decrease to 93.87 million in 2050, but the population over 65 years old will not decrease, and the population pyramid will peak at 75-80 years old. Lifestyle-related diseases, sarcopenia, dementia, and musculoskeletal disorders will increase due to the super-aging of the population. H. pylori infection rate will decrease to about 5% in 2050, and H. pylori-related gastric diseases (gastric ulcer and atrophic gastritis) will decrease further. The prevalence of gastric cancer will peak between 2025 and 2029, then gradually decline between 2030 and 2039, and by 2050, gastric cancer will be a cancer sometimes seen in the elderly in later life. Gastric acid secretion does not decline with aging in individuals uninfected with H. pylori, and gastric mucosal defense function declines by aging. The proportion of elderly patients taking NSAIDs and low-dose aspirin is high, and drug-induced gastric ulcers and gastrointestinal bleeding are expected to increase in the near future. Gastroparesis, a complication of diabetes mellitus, is increasing in the United States and Europe. Gastroparesis will be small in prevalence in Japan, but may be a disease to watch in the near future.


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電子版ISSN 印刷版ISSN 0915-3217 東京医学社

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