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Updated: Jul 15, 2026

Pulsed Wave Doppler Assessment of Diastolic Dysfunction in the ZSF-1 Rat Model of Pulmonary Hypertension Due to Left Heart Disease
Published on: May 22, 2026
Diagnosis of diastolic heart failure
Hidekatsu Fukuta1, William C Little
1Cardiology Section, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1045, USA.
Insights
Nearly half of heart failure (HF) patients have normal ejection fraction (EF) and diastolic HF. Differentiating diastolic HF from systolic HF is crucial for tailored treatment, as clinical signs are similar but prognosis differs.
Area of Science:
- Cardiology
- Heart Failure Research
Background:
- Heart failure (HF) affects nearly half of patients with normal ejection fraction (EF), termed diastolic HF.
- Diastolic HF presents with normal EF, left ventricular hypertrophy, and impaired diastolic function.
- Distinguishing diastolic HF from HF with reduced EF (systolic HF) is critical due to differing pathophysiology and potential therapeutic strategies.
Purpose of the Study:
- To highlight the importance of differentiating diastolic HF from systolic HF.
- To emphasize the diagnostic challenges posed by similar clinical presentations.
- To underscore the prognostic significance of diastolic dysfunction.
Main Methods:
- Review of existing evidence on heart failure classification.
- Analysis of clinical characteristics differentiating diastolic and systolic HF.
- Evaluation of the relationship between diastolic dysfunction, HF severity, and prognosis.
Main Results:
- Clinical history and physical examination are insufficient to differentiate between diastolic and systolic HF.
- Diastolic dysfunction is increasingly recognized as a significant factor in HF severity and patient prognosis, independent of EF.
- Both systolic and diastolic function assessment are vital for accurate HF diagnosis and risk stratification.
Conclusions:
- Accurate differentiation between diastolic and systolic HF is essential for appropriate therapeutic management.
- Evaluating both systolic and diastolic function is crucial for identifying high-risk patients and improving HF outcomes.
- Further research into the distinct mechanisms and treatments for diastolic HF is warranted.
Abstract:
Nearly half of patients with heart failure (HF) have a normal ejection fraction (EF) and have been labeled as having diastolic HF. Diastolic HF is characterized by a normal EF, a variable amount of concentric left ventricular hypertrophy, and abnormal diastolic function. Differentiating diastolic HF from HF with a reduced EF (systolic HF) is important because these two forms of HF have different pathophysiology and thus might require different therapeutic approaches. Nevertheless, patients with diastolic HF and those with systolic HF have similar clinical symptoms and signs. Thus, clinical history and physical examination do not differentiate between diastolic and systolic HF. There is accumulating evidence that diastolic dysfunction is related to the severity of HF and prognosis regardless of EF. Thus, it is important to evaluate both systolic and diastolic function not only to differentiate between diastolic and systolic HF but also to identify high-risk patients.
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