营养状况与中风患者的死亡率/神经结果之间的关联:系统性审查和元分析
概括
营养风险查2002 (NRS-2002),控制营养状况 (CONUT) 评分和老年营养风险指数 (GNRI) 识别的营养不良显著增加了中风后的3个月死亡率和不良结果. 早期的营养查可以改善患者的康复.
科学领域:
- 神经学 神经学
- 营养科学 营养科学
- 老年病的医生 老年病的医生
背景情况:
- 营养不良是中风患者普遍存在的问题,可能会影响恢复和死亡率.
- 存在几种营养查工具,但它们在预测中风结果方面的比较有效性需要系统评估.
研究的目的:
- 在中风患者中,系统地评估三个关键营养指数 - - 2002年营养风险查 (NRS-2002),控制营养状况 (CONUT) 评分和老年营养风险指数 (GNRI) - - 以及三个月死亡率和不良神经结果 (修改的兰金尺度 (mRS) ≥3) 之间的关联.
主要方法:
- 在主要数据库中进行了系统的文献搜索,截至2025年4月,确定了11项观察性研究,涉及7696名参与者.
- 使用随机效应模型计算聚合几率比率 (OR) 和95%置信区间 (CI).
- 使用纽卡斯尔-太华尺度评估研究质量,并进行异质性,敏感性和出版偏差分析. 补充预测建模使用梯度增强分类器和贝叶斯式MCMC模拟.
主要成果:
- 通过NRS-2002 (≥3,OR=3.42),CONUT (≥5,OR=3.66) 和低GNRI (<98,OR=2.68) 的风险增加与中风后的功能不良结果显著相关.
- 这些营养指数也预测了更高的3个月死亡率:NRS-2002 (≥3,OR=4.13),CONUT (≥5,OR=3.57) 和GNRI (<98,OR=2.93).
- 预测建模确定了GNRI<92,年龄≥75,NIHSS作为关键的死亡率预测指标 (AUROC = 0.81),在研究中发现了中等到高的异质性 (I2=42.1-68.9%).
结论:
- 根据NRS-2002,CONUT和GNRI值,营养不良与早死亡率增加和中风后恢复受损密切相关.
- 老年营养风险指数 (GNRI) 显示出显著的预测价值,特别是在老年中风患者中.
- 建议将常规营养查纳入急性中风护理途径,以促进及时,具有成本效益的干预措施,并改善患者的治疗结果.
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