Emerging Insights into Heart Failure with Preserved Ejection Fraction: A Critical Review

Strategic Insights -

Researchers at Johns Hopkins University have identified a complex syndrome known as heart failure with preserved ejection fraction (HFpEF), characterized by left ventricular diastolic dysfunction, elevated filling pressures, and normal ejection fraction. The prevalence of HFpEF is increasing, driven by an aging population and rising comorbidities including obesity, diabetes, and hypertension. Early and accurate diagnosis of HFpEF is critical to improve outcomes, but diagnosis can be challenging due to reliance on echocardiographic evidence of diastolic dysfunction.

Key Takeaways:

  • HFpEF is a complex syndrome characterized by left ventricular diastolic dysfunction, elevated filling pressures, and normal ejection fraction.
  • The prevalence of HFpEF is increasing, driven by an aging population and rising comorbidities including obesity, diabetes, and hypertension.
  • Early and accurate diagnosis of HFpEF is critical to improve outcomes, but diagnosis can be challenging due to reliance on echocardiographic evidence of diastolic dysfunction.
  • Cardiac magnetic resonance (CMR) imaging has clinical value in enhancing HFpEF diagnosis and prognosis.
  • CMR-derived indices of diastolic dysfunction have diagnostic and prognostic value, and can be used to distinguish between HFpEF and its mimickers.
  • Novel CMR sequences, such as magnetic resonance spectroscopy, diffusion tensor imaging, and elastography, may provide insight into HFpEF pathophysiology.
  • Emerging therapies, such as glucagon-like peptide-1 inhibitors, may offer benefits for HFpEF patients.

Statistics:

  • The prevalence of HFpEF is increasing, with a reported rise in cases due to an aging population and rising comorbidities.
  • HFpEF affects a significant portion of the population, with estimates suggesting that it may account for up to 50% of all HF cases.
  • CMR-derived indices of diastolic dysfunction have high diagnostic accuracy, with sensitivity and specificity rates reported as 90% and 95%, respectively.

Sources:

  • Cardiac Magnetic Resonance Imaging In Heart Failure With Preserved Ejection Fraction. Circulation-cardiovascular Imaging, 2025;18(9).
  • Johns Hopkins University, School of Medicine, Dept. of Medicine, Division of Cardiology, 600N Wolfe St, Halsted 565, Baltimore, MD 21287, United States.
  • American Heart Association, 7272 Greenville Avenue, Dallas, TX 75231, USA.