修改后的VExUS:预测急性心力衰竭死亡率的动态工具
Marina Petersen Saadi1, Gustavo Paes Silvano2, Guilherme Pinheiro Machado3
1Cardiology Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS - Brazil; Postgraduate Program in Cardiology: Cardiovascular Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS - Brazil.
概括
在急性不补偿性心力衰竭患者中,修改的静脉过量超声波 (mVExUS) 评分在72小时内降低至少1分,预示着更低的住院死亡率和更好的脱血. 这种动态评估提供了宝贵的预测洞察力.
科学领域:
- 心脏病学
- 危急护理医学
- 诊断成像
背景情况:
- 在急性不补偿性心力衰竭 (ADHF) 中评估系统静脉堵塞在临床上具有挑战性.
- 静脉过量超声波 (VExUS) 评分是一种评估静脉拥堵的非侵入性工具.
- 需要进一步研究VExUS的预后意义,特别是ADHF的动态变化.
研究的目的:
- 评估重复测量VExUS得分在预测ADHF患者住院死亡率中的预后作用.
- 确定在重症监护室入院的最初72小时内VExUS得分的变化是否与脱血的临床标志物和患者的结果相关.
主要方法:
- 一项前性队列研究,涉及104名心血管ICU接受治疗的LVEF< 50%的ADHF患者.
- 修改后的VExUS (mVExUS) 评分在基线 (24小时内) 和72小时后进行评估.
- 计算了 ΔVExUS (mVExUS 分数的变化),改善定义为 ΔVExUS ≥1. 主要结局是住院死亡率.
主要成果:
- 在mVExUS改善的患者 (ΔVExUS ≥1) 尿量显著改善,体重减轻,血清肌素和血压积分降低.
- 在mVExUS改善组中,住院死亡率显著降低 (11. 1% 对比36. 4%,P = 0. 007).
- ΔVExUS ≥1与降低住院死亡率 (aOR 0. 31; P = 0. 004) 独立相关,并通过LASSO回归确定为关键预测因子.
结论:
- 在72小时内,mVExUS得分降低≥1分 (ΔVExUS≥1) 是ADHF患者住院死亡率降低的独立预测指标.
- 这种动态的mVExUS评估与良好的临床和实验室脱血标记有关.
- 重复的mVExUS测量为ADHF患者增加风险分层提供了一个实用的床边工具.
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