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Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
11:04

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

Published on: September 1, 2014

Restrictive filling pattern is associated with increased humoral activation and impaired exercise capacity in dilated

Alexander P Patrianakos1, Frangiskos I Parthenakis, Evangelos A Papadimitriou

  • 1Cardiology Department, University Hospital of Heraklion, P.O. Box 1352 Stavrakia, Heraklion Crete, Greece.

European Journal of Heart Failure
|November 16, 2004
PubMed

Insights

Diastolic dysfunction in heart failure is linked to higher inflammatory cytokines and natriuretic peptides. This condition also correlates with reduced exercise capacity in patients with non-ischemic dilated cardiomyopathy.

Area of Science:

  • Cardiology
  • Heart Failure Research
  • Diastolic Dysfunction

Background:

  • Heart failure (HF) involves elevated proinflammatory cytokines, natriuretic peptides, and reduced exercise capacity.
  • The impact of diastolic dysfunction on these HF markers remains understudied.

Purpose of the Study:

  • To investigate the relationship between diastolic dysfunction, characterized by transmitral-filling patterns, and inflammatory markers, natriuretic peptides, and exercise capacity in non-ischemic dilated cardiomyopathy (NIDC).

Main Methods:

  • Analysis of circulating IL-1, IL-6, TNF-alpha, sTNFRI, sTNFRII, Nt-ANP, and Nt-BNP in 81 NIDC patients.
  • Echocardiography to assess diastolic function (restrictive vs. non-restrictive filling patterns) and cardiopulmonary exercise testing (CPE) to evaluate exercise capacity.

Main Results:

  • Patients with restrictive filling patterns (Group I) exhibited significantly higher levels of IL-6, TNF-alpha, sTNFRII, Nt-ANP, and Nt-BNP compared to non-restrictive (Group II).
  • Group I also showed decreased exercise duration and PVO(2).
  • Nt-ANP and IL-6 were the strongest predictors of a restrictive filling pattern, while Nt-BNP predicted PVO(2).

Conclusions:

  • A restrictive filling pattern, indicative of greater diastolic dysfunction, is associated with increased cytokine production and natriuretic peptide levels in HF.
  • Diastolic dysfunction contributes to diminished exercise tolerance in heart failure patients.
Abstract

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