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Role of blood urea nitrogen in predicting the post-discharge prognosis in elderly patients with acute decompensated heart failure

机译:血液尿素氮在老年急性失代偿性心力衰竭患者中排出后预后的作用

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Blood urea nitrogen (BUN) is a surrogate marker for neurohormonal activation, but the association between BUN and the post-discharge prognosis in elderly patients with acute decompensated heart failure (ADHF) is not well defined. We explored the association between BUN and post-discharge all-cause mortality in 652 elderly patients (73.9?±?7.8?yr) with ADHF. All patients were followed for a mean duration of 32 months (12–69 months). BUN was analyzed both as a continuous variable and according to two categories: low BUN group (BUN?
机译:血尿尿素氮(BUN)是一种用于神经异常激活的替代标志物,但老年急性失代偿性心力衰竭(ADHF)的老年患者之间的结合和放电后预后的关联并不明确。我们探讨了Bun和排放后的所有导致死亡率之间的联系,652名老年患者(73.9?7.8?7.8?YR),ADHF。所有患者均在32个月(12-69个月)的平均持续时间内。分析BUN作为连续变量,并根据两类:低质子组(BUN?<?15.35?mmol / L,n?361)和高面包组(Bun?≥?15.35?mmol / l,n?mmol / l,n ?=?291)。当BUN用作连续变量时,所有原因死亡率的风险增加1.6%,每1毫升/毫升/毫米/毫升/毫米/毫米浓度增加[危险比(HR):1.016,95%置信区间(CI):1.006-1.026, p = 0.002]。 BUN与大面包组的分类变量保持了与全导致死亡率的独立和显着的阳性相关性,以及HR:1.355,95%CI:1.023-1.794,P = 0.034)。用于预测全因死亡率的BUN C统计为0.624(95%CI:0.585-0.661)。 BUN的截止值为15.35?mmol / L,灵敏度为0.58,特异性为0.63。 BUN的预后性能与脑利钠肽(BNP)类似,用于预测全因死的死亡率(C统计:Z?= 0.044,P = 0.965)。这些结果表明,BUN是患有ADHF患者的出院后所有导致死亡率的独立预测因素,其预后性能与BNP相似。

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