尿液输出和急性损伤在败血症的发展:一个多中心观察性研究
Ryo Yamamoto1, Kazuma Yamakawa2, Jo Yoshizawa1
1Department of Emergency and Critical Care Medicine, Keio University School of Medicine, Tokyo, Japan.
Journal of intensive care medicine
|August 2, 2024
概括
败血症患者的尿量较高 (> 1.0 mL/kg/h) 与急性损伤 (AKI) 发生率的减少有关. 这一发现挑战了标准的AKI诊断值,表明AKI发展的值高于死亡风险.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 关键护理医学 关键护理医学
- 败血症研究 败血症研究
背景情况:
- 急性损伤 (AKI) 是败血症的常见并发症,显著增加死亡率.
- 目前的AKI诊断通常使用尿液输出值<0.5mL/kg/h,这可能无法完全捕捉风险.
- 确定精确的尿液输出值对于早期AKI检测和血症的干预至关重要.
研究的目的:
- 确定与败血症患者AKI发病率增加相关的特定尿量值.
- 测试假设,比标准0.5毫升/公斤/小时更高的尿液输出值与AKI发病率的增加有关.
- 为了比较AKI发生率,替代疗法 (RRT) 的需求,以及不同尿量类别的存活率.
主要方法:
- 一项全国性前性观察性研究的后期分析,涉及需要重症监护的成年败血症患者.
- 每日尿量分为低 (<0.5毫升/公斤/小时),中等 (0.5-1.0毫升/公斤/小时) 和高 (>1.0毫升/公斤/小时) 的组.
- 较量AKI发病率,RRT要求和28天存活率,根据患者特征和液体管理进行调整.
主要成果:
- 在低尿量组中,AKI发生率为53.1%,在中度尿量组中为48.3%,在高尿量组中为46.3%.
- 高尿量 (>1.0毫升/公斤/小时) 与低尿量相比 (43.6%对56.5%,P=.028) 与明显较低的AKI概率相关.
- 在尿量较高的患者中,RRT要求 (11.7% vs 49.1%) 和28天死亡风险显著降低.
结论:
- 在败血症诊断之日,尿液输出超过1.0毫升/千克/小时,与AKI发病率降低相关.
- AKI发展的尿量值似乎高于脏替代疗法或死亡风险的值.
- 这些发现表明,在败血症诱导的AKI管理中,对尿液输出值的理解有所改进.
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