Key result
Kinematic modeling using the parametrized diastolic filling formalism reveals that chamber relaxation and viscoelasticity, rather than chamber stiffness, most often differentiate diastolic dysfunction.
Design
Review
Authors
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Challenges stiffness-centric models of diastolic dysfunction; hypothesis-generating for relaxation-targeted approaches pending validation.
Kinematic modeling of diastolic filling provides mechanistic insights into diastolic heart failure, suggesting that relaxation rather than stiffness is the primary differentiator of dysfunction.
Sándor J. Kovács (2009) conducted a review in Diastolic heart failure. Parametrized diastolic filling (PDF) kinematic modeling vs. Conventional shape-based Doppler waveform indices was evaluated. Kinematic modeling using the parametrized diastolic filling formalism reveals that chamber relaxation and viscoelasticity, rather than chamber stiffness, most often differentiate diastolic dysfunction.
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