生命早期饥荒暴露对老年代谢功能障碍相关脂肪性肝病(MASLD)风险的影响——基于有向无环图模型的横断面研究
Effect of Early Life Famine Exposure on the Risk of Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) in Old Age—A Cross-Sectional Study Based on Directed Acyclic Graph Model
DOI: 10.12677/hjfns.2025.142016, PDF,    科研立项经费支持
作者: 潘浩楠, 易 静*：重庆医科大学公共卫生学院卫生统计学教研室，重庆；余萍萍, 程洪锋：重庆医科大学附属第二医院健康管理中心，重庆
关键词: 脂肪肝；代谢功能障碍相关脂肪性肝病；血糖；老年人；有向无环图；Fatty Liver； MASLD； Blood Glucose； Elderly； DAG
摘要: 背景：生命早期饥荒暴露会导致代谢综合征和脂肪肝病，但对最新定义的代谢功能障碍相关脂肪性肝病(MASLD)风险的影响暂不清楚。本研究的目的是通过因果定向无环图(DAG)分析生命早期饥荒暴露MASLD患病风险的影响。方法：分析了重庆市某体检中心15,791例含腹部超声检查体检对象的数据。将研究对象按出生年份分为(1953年1月1日至1955年12月31日出生)、童年晚期暴露组(1956年1月1日至1958年12月31日出生)、幼儿暴露组、胎儿暴露组(1959年1月1日至1961年12月31日出生)和非暴露组(1962年1月1日至1964年12月31出生)。通过DAG模型获得无偏调整集。使用二元logistic和线性回归模型对结果进行调整。结果：本研究人群中MASLD患病率为38.1%。但男性和女性受饥荒暴露人群的MASLD患病风险相反。相比于非暴露组，男性胎儿饥荒暴露组(OR = 0.688, 95% CI: [0.608, 0.779], P = 0.000)和幼儿饥荒暴露组(OR = 0.673, 95% CI: [0.593, 0.764], P = 0.000)和童年晚期暴露组(OR = 0.628, 95% CI: [0.537, 0.735], P = 0.000)患MASLD风险较低。而女性的童年晚期暴露组患MASLD的风险是非暴露组约1.2倍(OR = 1.236, 95% CI: [1.089, 1.404], P = 0.001)。早年经历饥荒男性的BMI、甘油三酯(TG)和高密度脂蛋白(HDL)指标的心血管代谢相关风险都较低，而经历饥荒女性的空腹血糖较高。结论：生命早期暴露于饥荒可能会降低男性老年时患MASLD的风险，但女性在童年晚期经历饥荒可能会增加老年时MASLD的风险，不同性别的风险差异可能是由于饥荒经历对男性和女性心血管代谢风险因素相关指标的影响不同所造成的。本研究与过往研究的差异可能是由于地区间受灾程度差异和研究对象的年龄阶段不同导致的，需要进一步的队列研究探索饥荒暴露对MASLD的长期影响。
Abstract: Background: Early life famine exposure leads to metabolic syndrome and fatty liver disease, but the effect on the risk of newly defined metabolic dysfunction-associated fatty liver disease (MASLD) is unclear. The aim of this study was to analyze the impact of early life famine exposure to MASLD risk by causally oriented acyclic graph (DAG). Methods: The data of 15,791 subjects with abdominal ultrasound examination in a physical examination center in Chongqing were analyzed. Participants were divided into (born between January 1, 1953 and December 31, 1955), late childhood exposure group (born between January 1, 1956 and December 31, 1958), infant exposure group, fetal exposure group (born between January 1, 1959 and December 31, 1961) and non-exposure group (born between January 1, 1962 and December 31, 1964). The unbiased adjustment set was obtained by the DAG model. The results were adjusted using binary logistic and linear regression models. Results: The prevalence of MASLD in this population was 38.1%. However, men and women have opposite risks of MASLD in people exposed to famine. Compared with the non-exposure group, the risk of MASLD was lower in the male fetal famine exposure group (OR = 0.688, 95%CI: [0.608 to 0.779], P = 0.000) and the infant famine exposure group (OR = 0.673, 95% CI: 0.593 to 0.764, P = 0.000) and late childhood exposure group (OR = 0.628, 95% CI: [0.537 to 0.735], P = 0.000). The risk of MASLD in the late childhood exposure group of female was about 1.2 times higher than that in the non-exposure group (OR = 1.236, 95% CI: [1.089 to 1.404], P = 0.001). Men who experienced famine early in life had lower cardiometabolic risk factors for BMI, triglycerides, and high-density lipoprotein, while women who experienced famine had higher fasting blood glucose. Conclusions: Early exposure to famine may reduce the risk of MASLD in old age in men, but the experience of famine in late childhood may increase the risk of MASLD in old age in women, and the difference in risk between genders may be due to the different effects of famine experience on cardiometabolic risk factors indicators in men and women. The differences between this study and previous studies may be due to the differences in the degree of disaster damage between regions and the different age stages of the study subjects, and further longitudinal studies are needed to explore the trend of MASLD.
文章引用：潘浩楠, 余萍萍, 程洪锋, 易静. 生命早期饥荒暴露对老年代谢功能障碍相关脂肪性肝病(MASLD)风险的影响——基于有向无环图模型的横断面研究[J]. 食品与营养科学, 2025, 14(2): 118-128. https://doi.org/10.12677/hjfns.2025.142016

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