综上所述，慢性心力衰竭患者血清PlGF、hs-CRP及TNF-α含量均较健康者升高，且随着心功能分级增高而升高，经对症治疗，可有效改善患者上述指标，可为临床诊治提供重要参考。

    [参考文献]

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