The Role of Uric Acid in the Pathogenesis of Heart Failure With Preserved Ejection Fraction

Jie Tan1, Jiahan Ke, Xiaohan Qiu

  • 1From the Department of Cardiology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.

Insights

Elevated uric acid (UA) is a significant risk factor for heart failure with preserved ejection fraction (HFpEF). Lowering UA may offer therapeutic benefits for HFpEF patients.

Area of Science:

  • Cardiology
  • Metabolic Syndrome
  • Renal Physiology

Background:

  • Heart failure with preserved ejection fraction (HFpEF) is increasing due to aging and comorbidities like hypertension and diabetes.
  • Elevated serum uric acid (UA), a product of purine metabolism, is linked to metabolic syndrome and identified as an independent risk factor for HFpEF.
  • UA contributes to HFpEF pathophysiology by promoting oxidative stress, inflammation, and endothelial dysfunction.

Purpose of the Study:

  • To review the epidemiological link between UA and HFpEF.
  • To elucidate the mechanisms by which UA influences HFpEF development and progression.
  • To assess the potential of urate-lowering therapies in managing HFpEF.

Main Methods:

  • Systematic review of epidemiological studies.
  • Analysis of preclinical and clinical data on UA's role in HFpEF.
  • Evaluation of evidence for urate-lowering agents in HFpEF.

Main Results:

  • Epidemiological data confirm a strong association between high UA levels and HFpEF incidence, progression, and prognosis.
  • UA directly exacerbates HFpEF through oxidative stress, inflammasome activation, and microvascular damage.
  • Urate-lowering therapies show promise for HFpEF treatment.

Conclusions:

  • Serum UA is a critical factor in HFpEF pathogenesis.
  • Management of UA levels is crucial for HFpEF patients.
  • Further research into pharmacological interventions targeting UA is warranted.

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