虚弱和癌症发生的变化:来自健康和退休研究的证据
Zhaoting Bu1,2,3, Xinying Chen1,2,3, Xiaoyue Liu1,2,3
1Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
Journal of cachexia, sarcopenia and muscle
|December 16, 2025
概括
动态虚弱状态,而不仅仅是基线虚弱,影响癌症风险. 虚弱的进展会增加癌症的风险,而从虚弱中恢复会减少癌症的风险,这凸显了动态监测的必要性.
科学领域:
- 老年学是一门学科.
- 在瘤学瘤学.
- 流行病学 流行病学
背景情况:
- 脆弱是已知的癌症风险因素,但研究通常使用单个时间点.
- 脆弱性变化与癌症发病率之间的动态关系尚未得到充分理解.
研究的目的:
- 评估基线脆弱性和脆弱性变化与随后的癌症风险之间的关联.
- 调查虚弱进展和恢复对癌症发病率的影响.
主要方法:
- 利用了来自健康和退休研究 (HRS) 的数据,这是美国国家前性队列.
- 使用29项的洛克伍德脆弱指数 (强壮,前脆弱,脆弱) 评估脆弱性.
- 使用考克斯比例危险模型分析了2年内的脆弱性变化和发生的癌症.
主要成果:
- 基线脆弱性显著增加了癌症风险 (脆弱与强壮:HR 1.61;脆弱前与强壮:HR 1.46).
- 脆弱性进展 (坚固到脆弱前/脆弱) 增加了癌症风险 (HR 2.50).
- 从脆弱性恢复 (脆弱到先脆弱/强壮或先脆弱到强壮) 降低了癌症风险 (HR分别为0.66和0.51).
- 随着时间的推移,虚弱指数的增加仍然与更高的癌症风险有关 (ΔFI的最高与最低四分位数:HR 1.35).
结论:
- 基线脆弱性和脆弱性状态的动态变化都是癌症风险的独立预测因素.
- 虚弱的进展会增加癌症的风险,而从虚弱中恢复与风险降低有关.
- 动态脆弱性监测至关重要;针对脆弱性的干预措施可能会降低癌症风险.
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