Canadian VIGOUR Centre, Edmonton, Alberta, Canada.
Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada.
ESC Heart Fail. 2018 Feb;5(1):19-26. doi: 10.1002/ehf2.12200. Epub 2017 Jul 25.
Heart failure with a preserved ejection fraction (HF-PEF) remains a difficult clinical diagnosis. The aim of this study was to test the utility of established criteria to classify patients with HF-PEF. We prospectively enrolled patients into one of five groups across a spectrum of cardiac disease and applied three different criteria for HF-PEF and calculated diagnostic metrics.
A total of 565 patients were included in the analysis, including 170 patients with an adjudicated diagnosis of HF-PEF, 152 patients with heart failure with reduced ejection fraction, 152 patients at risk for heart failure, and 91 age-matched healthy controls. For the diagnosis of HF-PEF, the positive likelihood ratios were 6.1, 6.9, and 4.8 for the Zile, European Society of Cardiology (ESC) 2007, and ESC 2016 criteria, respectively. The negative likelihood ratios were 0.58, 0.60, and 0.42 for the Zile, ESC 2007, and ESC 2016 criteria, respectively. All three criteria lacked sensitivity to detect HF-PEF (46.5%, 44.1%, and 51.8%, respectively) but were highly specific (92.4%, 93.9%, and 89%, respectively). We further evaluated the criteria to distinguish HF-PEF from other diagnoses after excluding heart failure with reduced ejection fraction; the results were similar.
In this community based cohort, the likelihood ratios of the existing criteria for HF-PEF were not at the level necessary to be considered diagnostic. Improved criteria for the diagnosis of patients with HF-PEF are needed.
射血分数保留的心力衰竭(HF-PEF)仍然是一种难以诊断的临床病症。本研究旨在检验现有标准对 HF-PEF 患者进行分类的效用。我们前瞻性地将患者纳入一系列心脏疾病的五个组别,并应用三种不同的 HF-PEF 标准进行分类,并计算诊断指标。
共有 565 名患者纳入分析,其中 170 名经裁定诊断为 HF-PEF,152 名患有射血分数降低的心力衰竭,152 名处于心力衰竭风险中,91 名年龄匹配的健康对照者。对于 HF-PEF 的诊断,Zile、欧洲心脏病学会(ESC)2007 年和 ESC 2016 标准的阳性似然比分别为 6.1、6.9 和 4.8。Zile、ESC 2007 和 ESC 2016 标准的阴性似然比分别为 0.58、0.60 和 0.42。这三个标准对 HF-PEF 的检出率均较低(分别为 46.5%、44.1%和 51.8%),但特异性较高(分别为 92.4%、93.9%和 89%)。我们进一步评估了排除射血分数降低的心力衰竭后这些标准来区分 HF-PEF 与其他诊断的能力,结果相似。
在这个基于社区的队列中,HF-PEF 现有标准的似然比尚未达到可被视为诊断标准的水平。需要开发更好的 HF-PEF 患者诊断标准。