Prognostic value of diastolic dysfunction: state of the art review
Wael A AlJaroudi1, James D Thomas, L Leonardo Rodriguez
1From the *Division of Cardiovascular Medicine, American University of Beirut Medical Center, Beirut, Lebanon; and †Heart and Vascular Imaging Institute, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, Ohio.
Insights
Left ventricular diastolic dysfunction (DD) significantly impacts heart failure outcomes. Echocardiography is key for assessing this dynamic condition, with its improvement linked to better survival.
Area of Science:
- Cardiology
- Echocardiography
- Heart Failure Research
Background:
- Left ventricular diastolic dysfunction (DD) is a major factor in diastolic heart failure, increasing patient morbidity and mortality.
- Echocardiographic evaluation of diastolic function is a standard part of cardiac assessments, per major society guidelines.
- Diastolic function is dynamic, with changes correlating to patient outcomes; improvement suggests better survival.
Purpose of the Study:
- To review echocardiographic methods for assessing left ventricular diastolic function.
- To explore the clinical implications and prognostic value of diastolic dysfunction.
- To provide an integrative, practical approach to diastolic function assessment and discuss future research.
Main Methods:
- Review of current echocardiographic guidelines and techniques for diastolic function assessment.
- Analysis of studies linking diastolic dysfunction to clinical outcomes.
- Synthesis of data on the prognostic significance of left and right ventricular DD.
Main Results:
- Diastolic dysfunction is a significant predictor of adverse outcomes in heart failure.
- Improved diastolic function correlates with enhanced patient survival.
- Echocardiography provides crucial prognostic information regarding diastolic function.
Conclusions:
- Echocardiography is essential for evaluating diastolic dysfunction and guiding patient management.
- Understanding the dynamic nature of diastolic function improves prognostic accuracy.
- Further research is needed to fully elucidate the mechanisms and therapeutic targets for diastolic dysfunction.
Abstract:
Left ventricular diastolic dysfunction (DD) is recognized as an important contributor to diastolic heart failure and is associated with increased morbidity and mortality. The evaluation of diastolic function has become an integral part of a full echocardiographic study and is recommended by the current guidelines of the American Society of Echocardiography and the European Association of Cardiovascular Imaging. Recent data show that diastolic function is not static, but rather a dynamic phenomenon; worsening of diastolic function is associated with worse outcomes, whereas its improvement is associated with better survival. The purpose of this article is to review the echocardiographic assessment of diastolic function with an integrative clinical practical approach, discuss plausible mechanistic links between DD and clinical outcomes, summarize the prognostic value of left ventricular and right ventricular DD in various patient cohorts, the strengths and limitations of the data, and finally, give insight into future directions.
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