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Related Experiment Videos

Postexercise changes in left ventricular function: the evidence so far.

Rob Shave1, Keith George, Gregory Whyte

  • 1Centre for Sports Medicine and Human Performance, Brunel University, London, United Kingdom. rob.shave@brunel.ac.uk

Medicine and Science in Sports and Exercise
|July 11, 2008
PubMed
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Prolonged exercise may temporarily decrease left ventricular (LV) function. This review synthesizes research using echocardiography and strain imaging to understand exercise

Area of Science:

  • Cardiology
  • Exercise Physiology
  • Diagnostic Imaging

Background:

  • The impact of prolonged exercise on cardiac function has been studied since the 1960s.
  • Advances in echocardiography have significantly improved the assessment of left ventricular (LV) function.
  • Existing research presents varied findings due to differences in study design and participant characteristics.

Purpose of the Study:

  • To review and synthesize existing research on the effects of prolonged exercise on left ventricular (LV) function.
  • To establish a consensus on whether prolonged exercise induces a transient depression in LV function.

Main Methods:

  • Review of studies utilizing traditional echocardiography (2D and Doppler).
  • Inclusion of data from advanced techniques like tissue Doppler imaging (TDI).

Related Experiment Videos

  • Analysis of myocardial strain and strain rate assessments in response to exercise.

    • Main Results:

    • Synthesized findings from numerous cross-sectional pre- to postexercise studies.
    • Identified common trends and discrepancies in LV function changes post-exercise.
    • Highlighted the influence of exercise duration, modality, and subject characteristics on results.

    Conclusions:

    • Prolonged exercise may lead to transient alterations in left ventricular (LV) function.
    • Echocardiographic and strain imaging techniques are crucial for evaluating these changes.
    • Further research is needed to fully elucidate the mechanisms and clinical implications.