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Related Experiment Video

Updated: Jan 22, 2026

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Changes in dynamic left ventricular function, assessed by the strain-volume loop, relate to reverse remodeling after

Hugo G Hulshof1, Frederieke van Oorschot1, Arie P van Dijk2

  • 1Radboud Institute for Health Sciences, Department of Physiology, Radboud University Medical Center, Nijmegen, The Netherlands.

Journal of Applied Physiology (Bethesda, Md. : 1985)
|June 28, 2019
PubMed
Summary

Aortic valve replacement improves dynamic left ventricular (LV) function, shown by strain-volume loops. These improvements are linked to long-term LV mass reduction after surgery.

Keywords:
LV mechanicsaortic valve replacementcardiac adaptationechocardiographyultrasound

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Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Mechanics

Background:

  • Aortic valve replacement (AVR) is known to induce left ventricular (LV) remodeling.
  • Understanding dynamic LV function post-AVR is crucial for assessing cardiac adaptation.
  • Novel echocardiographic techniques can offer deeper insights into LV mechanics.

Purpose of the Study:

  • To investigate if post-AVR changes in dynamic LV function are associated with LV mass regression.
  • To explore the relationship between changes in aortic valve characteristics and LV remodeling.
  • To utilize a novel strain-volume loop analysis for assessing dynamic LV function.

Main Methods:

  • Retrospective analysis of 30 severe aortic stenosis patients undergoing AVR.
  • Transthoracic echocardiography performed pre-AVR, early post-AVR, and at follow-up.
  • Assessment of LV structure, function, aortic valve characteristics, and novel strain-volume loop analysis.

Main Results:

  • AVR caused immediate changes in valve characteristics and LV longitudinal strain (ε), with improved strain-volume loop coherence.
  • Follow-up showed decreased LV mass, improved LV ejection fraction, and enhanced LV longitudinal peak ε.
  • LV mass decline correlated significantly with improved post-AVR strain-volume loop coherence (r=0.439, P=0.03).

Conclusions:

  • Post-AVR improvements in dynamic LV function, specifically strain-volume loop coherence, are linked to long-term LV mass regression.
  • Assessing dynamic LV function offers valuable insights into cardiac adaptations following AVR.
  • Strain-volume loop analysis provides a novel method for evaluating cardiac mechanics and remodeling.