J Geriatr Cardiol:失代偿性心力衰竭住院患者在不同时间点收缩压与出院后事件的不同预后关联

2020-03-19 MedSci原创 MedSci原创

心力衰竭(HF)患者的收缩压(SBP)与死亡率之间的关联是矛盾的,并且在先前的研究中,基线SBP的时间点也有所不同。我们假设入院时和出院时的SBP水平与出院后事件的关联不同。

心力衰竭(HF)患者的收缩压(SBP)与死亡率之间的关联是矛盾的,并且在先前的研究中,基线SBP的时间点也有所不同。我们假设入院时和出院时的SBP水平与出院后事件的关联不同。

 

研究人群纳入2009年1月1日至2014年12月31日在阜外医院心力衰竭中心因代偿性HF住院的患者。主要结果是心血管死亡和心脏移植的复合结果。使用多变量Cox比例风险和受限三次样条分析评估不同时间点SBP与结局之间的关系。

 

研究共纳入2005例患者,平均随访48.4个月。中位年龄为59岁,男性为69.9%。多元Cox分析显示,与SBP <105 mmHg相比,入院时SBP较高与长期主要预后较好相关(105-119 mmHg,HR = 0.764,P = 0.005;120-134 mmHg,HR = 0.658,P < 0.001;≥135 mmHg,HR = 0.657,P = 0.001)。SBP高于135 mmHg的患者与SBP <105 mmHg的患者具有相似的主要结局(HR = 0.969,P = 0.867),即使校正了入院SBP(HR = 1.235,P = 0.291),结果仍保持不变)。受限三次样条分析的结果表明相似的关联。

 

总之,该研究结果表明,入院时SBP较低而非较高,与更多的CV死亡/心脏移植有关(反向的J形曲线)。相反,出院SBP与CV死亡率/心脏移植之间存在U型联系。

 

原始出处:

 

You-Nan YaoRong-Cheng Zhang, et al., Different prognostic association of systolic blood pressure at different time points with postdischarge events in patients hospitalized for decompensated heart failure. J Geriatr Cardiol. 2019 Sep; 16(9): 676–688. doi: 10.11909/j.issn.1671-5411.2019.09.009

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