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Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
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Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism

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[Clinical aspects of the left ventricular diastolic dysfunction at patients with coronary heart disease]

F Mitu1, M Mitu

  • 1Facultatea de Medicină, Clinica a VI-a Medicală, Universitatea de Medicină şi Farmacie Gr. T. Popa Iaşi.

Revista Medico-Chirurgicala a Societatii De Medici Si Naturalisti Din Iasi
|July 3, 2002
PubMed

Insights

Diastolic dysfunction in coronary heart disease patients is linked to older age, female sex, and hypertension. Patients with diastolic dysfunction experience more dyspnea and reduced exercise capacity.

Area of Science:

  • Cardiology
  • Echocardiography
  • Heart Failure

Background:

  • Diastolic dysfunction significantly impacts the prognosis of patients with coronary heart disease (CHD).
  • Understanding the clinical implications of diastolic dysfunction is crucial for managing CHD patients.

Purpose of the Study:

  • To investigate the influence of diastolic dysfunction on the clinical profile of CHD patients.
  • To assess the impact of diastolic dysfunction on the functional capacity of CHD patients.

Main Methods:

  • 189 patients with ischemic heart disease underwent echocardiography to assess diastolic dysfunction using the E/A velocity ratio.
  • Patients were categorized into Group A (diastolic dysfunction, E/A < 1 or > 2) and Group B (normal diastolic function, E/A 1-2).
  • Clinical evaluation and exercise testing were performed on a subset of patients.

Main Results:

  • Group A patients were older, had a higher prevalence of females, and exhibited more frequent and severe dyspnea (NYHA II-IV).
  • Group A showed higher arterial pressure and cardiac rate, along with more severe systolic dysfunction and lower ejection fraction.
  • Exercise testing revealed lower maximum exercise level (METs) and shorter duration in Group A compared to Group B.

Conclusions:

  • Diastolic dysfunction is more prevalent in older patients and those with arterial hypertension.
  • Dyspnea severity is directly correlated with the presence and severity of diastolic dysfunction.
  • Patients with diastolic dysfunction demonstrate significantly reduced exercise capacity.
Abstract

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