Heart failure with preserved EF: a bird eye view

Fahad Aziz1, Luqman-Arfath Thazhatauveetil-Kunhahamed1, Chijioke Enweluzo1

  • 1Wake Forest School of Medicine, 295 Chelsea Village Cir, Winston Salem, NC 27103, USA.

Insights

Diastolic heart failure, characterized by preserved ejection fraction, affects elderly patients with hypertension. Early recognition and treatment of diastolic dysfunction are crucial to prevent progression and improve outcomes.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Diastolic heart failure (DHF) is recognized in patients with heart failure symptoms but normal left ventricular ejection fraction.
  • This condition was historically attributed to impaired diastolic function, despite unclear origins of this assumption.
  • Diagnostic guidelines for DHF have been established, often utilizing Doppler echocardiography indicators of diastolic dysfunction.

Purpose of the Study:

  • To summarize the understanding and clinical implications of diastolic heart failure.
  • To highlight the importance of early recognition and management of diastolic dysfunction.

Main Methods:

  • Review of the concept and clinical presentation of diastolic heart failure.
  • Analysis of mortality and morbidity rates in comparison to systolic heart failure.
  • Discussion of current therapeutic approaches and evidence for pharmacological interventions.

Main Results:

  • Diastolic heart failure has a lower annual mortality rate (approx. 8%) compared to systolic heart failure (19%), but significant morbidity.
  • The condition is predominantly observed in elderly individuals with hypertensive heart disease.
  • No direct therapies exist to improve left ventricular diastolic function; treatment focuses on underlying conditions.

Conclusions:

  • Early identification and management of diastolic dysfunction are vital to prevent progression to DHF and reduce mortality.
  • While specific therapies for diastolic dysfunction are lacking, certain medications (calcium channel blockers, beta-blockers, ACE inhibitors, ARBs, nitric oxide donors) may offer benefits.
  • Treating the underlying causes, such as hypertension, remains the cornerstone of managing diastolic heart failure.

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