身体质量指数与败血症患者的死亡率有关吗?
Milo Engoren1, Cynthia Arslanian-Engoren2
1Department of Anesthesiology, University of Michigan, Ann Arbor, MI, 48109, USA.
Heart & lung : the journal of critical care
|September 18, 2025
概括
体重指数 (BMI) 和败血症死亡率之间的关联在考虑到体重减轻和并发病后是最小的. 这一发现表明,BMI不是毒症患者生存的强有力的预测指标.
科学领域:
- 关键护理医学 关键护理医学
- 流行病学 流行病学
- 公共卫生 公共卫生
背景情况:
- 关于较高的体重指数 (BMI) 和败血症患者的生存率之间的关系存在争议.
- 之前的研究对BMI对败血症结果的影响产生了相互矛盾的结果.
研究的目的:
- 调查BMI与败血症死亡率之间的关联.
- 为了确定这种关联是否在调整体重减轻,并发病症和营养状况后仍然存在.
主要方法:
- 一个单一中心的回顾性研究包括从2009年到2019年满足败血症-3标准的患者.
- 使用后勤回归和分数多项式来调整BMI以考虑各种临床因素.
- 敏感性分析使用世界卫生组织的分类来对BMI进行分类.
主要成果:
- 在20990名患者中,25%的人在90天内死亡.
- 未调整的死亡率在BMI为32kg/m2的最低.
- 经过调整后,BMI与90天死亡率的关联很小,体重不足的人的风险略有增加,肥胖的人的风险略有减少.
结论:
- 体重指数 (BMI) 在调整并发病症和营养状况后,与90天死亡率的关联很小.
- 这些发现表明,BMI不是毒症生存的显著独立预测指标.
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