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Predictive biomarkers for death and rehospitalization in comorbid frail elderly heart failure patients

机译:合并性体弱的老年心力衰竭患者死亡和再次住院的预测生物标志物

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Heart failure (HF) is associated with a high rate of readmissions within 30?days post-discharge and in the following year, especially in frail elderly patients. Biomarker data are scarce in this high-risk population. This study assessed the value of early post-discharge circulating levels of ST2, NT-proBNP, CA125, and hs-TnI for predicting 30-day and 1-year outcomes in comorbid frail elderly patients with HF with mainly?preserved ejection fraction (HFpEF). Blood samples were obtained at the first visit shortly after discharge (4.9?±?2?days). The primary endpoint was the composite of all-cause mortality or HF-related rehospitalization at 30?days and at 1?year. All-cause mortality alone at one year was also a major endpoint. HF-related rehospitalizations alone were secondary end-points. From February 2014 to November 2016, 522 consecutive patients attending the STOP-HF Clinic were included (57.1% women, age 82?±?8.7?years, mean Barthel index 70?±?25, mean Charlson comorbidity index 5.6?±?2.2). The composite endpoint occurred in 8.6% patients at 30?days and in 38.5% at 1?year. In multivariable analysis, ST2 [hazard ratio (HR) 1.53; 95% CI 1.19–1.97; p?=?0.001] was the only predictive biomarker at 30?days; at 1?year, both ST2 (HR 1.34; 95% CI 1.15–1.56; p?
机译:心力衰竭(HF)与出院后30天内以及第二年的再入院率高相关,尤其是对于年老体弱的患者。在这种高风险人群中,生物标志物数据很少。这项研究评估了ST2,NT-proBNP,CA125和hs-TnI的早期出院后循环水平对预测合并保留的射血分数(HFpEF)的年老体弱HF患者的30天和1年结局的价值)。出院后不久(4.9?±?2?天)在第一次就诊时采集血样。主要终点是30天和1年时全因死亡率或与HF相关的再次住院治疗的综合结果。仅仅一年的全因死亡率也是主要终点。仅HF相关的住院治疗是次要终点。从2014年2月至2016年11月,连续522例参加STOP-HF诊所的患者(57.1%的女性,年龄82?±?8.7?岁,平均Barthel指数70?±?25,平均Charlson合并症指数5.6?±?2.2 )。复合终点发生在30天的8.6%患者和1年的38.5%。在多变量分析中,ST2 [危险比(HR)1.53; 95%CI 1.19–1.97; p?=?0.001]是30天时唯一的预测性生物标志物;在1年时,ST2(HR 1.34; 95%CI 1.15–1.56; p <0.001)和NT-proBNP(HR 1.19; 95%CI 1.02-1.40; p = 0.03)均显着。在临床预测模型中加入ST2和NT-proBNP后,第30天的AUC值从0.70增加到0.75(p?=?0.02),在第1年的AUC从0.71增加到0.74(p?<?0.05)。对于1岁时的全因死亡,ST2(HR 1.50; 95%CI 1.26-1.80; p <0.001)和CA125(HR 1.41; 95%CI 1.21-1.63; p <0.001)保持独立多变量分析中的预测变量。在临床预测模型中加入ST2和CA125会使AUC从0.74增加到0.78(p?=?0.03)。对于HF相关的住院,无论是30天还是1年,ST2都是多变量分析中唯一的预测性生物标志物。在患有HFpEF的合并体质衰弱的老年人群中,ST2在预测全因死亡率或与HF相关的再次住院风险方面表现优于NT-proBNP。 ST2是炎症和纤维化的替代指标,可能是高危HFpEF中更好的预测指标。

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