Myocardial Adaptation to Short-term High-intensity Exercise in Highly Trained Athletes

Tomas G. Neilan; Thanh Thao Ton-Nu; Davinder S. Jassal; Zoran B. Popovic; Pamela S. Douglas; Elkan F. Halpern; Jane E. Marshall; James D. Thomas; Michael H. Picard; Danita M. Yoerger; Malissa J. Wood

doi:10.1016/j.echo.2006.05.001

Myocardial Adaptation to Short-term High-intensity Exercise in Highly Trained Athletes

Tomas G. Neilan, Thanh Thao Ton-Nu, Davinder S. Jassal, Zoran B. Popovic, Pamela S. Douglas, Elkan F. Halpern, Jane E. Marshall, James D. Thomas, Michael H. Picard, Danita M. Yoerger, Malissa J. Wood^*

^*Corresponding author for this work

Medicine, Cardiology Division

Research output: Contribution to journal › Article › peer-review

61 Scopus citations

Abstract

We aimed to clarify the myocardial adaptation to short-term high-intensity exercise among trained athletes. We screened 17 participants in the 2004 World Indoor Rowing Championships before and after a 2000-m sprint. Echocardiography included standard measurements and tissue Doppler-derived strain (ε), strain rate, and 2-dimensionally derived speckle-tracking imaging for left ventricular (LV) torsion. LV volumes and ejection fraction were unchanged after exercise. There was a reduction in early and an increase in late diastolic filling velocities and a decrease in the flow propagation velocity. Annular systolic velocities, slope of the systolic acceleration, septal and lateral ε, and speckle tracking-derived torsion were increased. The increased LV torsion was a result of increased basal and apical rotation. Right ventricular apical ε decreased. In conclusion, maximal intensity short-duration exercise was associated with attenuation of LV diastolic function, augmentation of LV systolic function, and a reduction in apical right ventricular contractility.

Original language	English (US)
Pages (from-to)	1280-1285
Number of pages	6
Journal	Journal of the American Society of Echocardiography
Volume	19
Issue number	10
DOIs	https://doi.org/10.1016/j.echo.2006.05.001
State	Published - Oct 2006

Funding

Supported by an Irish Board for Training in Cardiovascular Medicine and Department of Health and Children Cardiovascular Health Strategy Travelling Fellowship and an American Society of Echocardiography Research Fellowship Award (Dr Neilan).

ASJC Scopus subject areas

Cardiology and Cardiovascular Medicine
Radiology Nuclear Medicine and imaging

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10.1016/j.echo.2006.05.001

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Neilan, T. G., Ton-Nu, T. T., Jassal, D. S., Popovic, Z. B., Douglas, P. S., Halpern, E. F., Marshall, J. E., Thomas, J. D., Picard, M. H., Yoerger, D. M., & Wood, M. J. (2006). Myocardial Adaptation to Short-term High-intensity Exercise in Highly Trained Athletes. Journal of the American Society of Echocardiography, 19(10), 1280-1285. https://doi.org/10.1016/j.echo.2006.05.001

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title = "Myocardial Adaptation to Short-term High-intensity Exercise in Highly Trained Athletes",

abstract = "We aimed to clarify the myocardial adaptation to short-term high-intensity exercise among trained athletes. We screened 17 participants in the 2004 World Indoor Rowing Championships before and after a 2000-m sprint. Echocardiography included standard measurements and tissue Doppler-derived strain (ε), strain rate, and 2-dimensionally derived speckle-tracking imaging for left ventricular (LV) torsion. LV volumes and ejection fraction were unchanged after exercise. There was a reduction in early and an increase in late diastolic filling velocities and a decrease in the flow propagation velocity. Annular systolic velocities, slope of the systolic acceleration, septal and lateral ε, and speckle tracking-derived torsion were increased. The increased LV torsion was a result of increased basal and apical rotation. Right ventricular apical ε decreased. In conclusion, maximal intensity short-duration exercise was associated with attenuation of LV diastolic function, augmentation of LV systolic function, and a reduction in apical right ventricular contractility.",

author = "Neilan, {Tomas G.} and Ton-Nu, {Thanh Thao} and Jassal, {Davinder S.} and Popovic, {Zoran B.} and Douglas, {Pamela S.} and Halpern, {Elkan F.} and Marshall, {Jane E.} and Thomas, {James D.} and Picard, {Michael H.} and Yoerger, {Danita M.} and Wood, {Malissa J.}",

note = "Funding Information: Supported by an Irish Board for Training in Cardiovascular Medicine and Department of Health and Children Cardiovascular Health Strategy Travelling Fellowship and an American Society of Echocardiography Research Fellowship Award (Dr Neilan). ",

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AU - Popovic, Zoran B.

AU - Douglas, Pamela S.

AU - Halpern, Elkan F.

AU - Marshall, Jane E.

AU - Thomas, James D.

AU - Picard, Michael H.

AU - Yoerger, Danita M.

AU - Wood, Malissa J.

N1 - Funding Information: Supported by an Irish Board for Training in Cardiovascular Medicine and Department of Health and Children Cardiovascular Health Strategy Travelling Fellowship and an American Society of Echocardiography Research Fellowship Award (Dr Neilan).

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N2 - We aimed to clarify the myocardial adaptation to short-term high-intensity exercise among trained athletes. We screened 17 participants in the 2004 World Indoor Rowing Championships before and after a 2000-m sprint. Echocardiography included standard measurements and tissue Doppler-derived strain (ε), strain rate, and 2-dimensionally derived speckle-tracking imaging for left ventricular (LV) torsion. LV volumes and ejection fraction were unchanged after exercise. There was a reduction in early and an increase in late diastolic filling velocities and a decrease in the flow propagation velocity. Annular systolic velocities, slope of the systolic acceleration, septal and lateral ε, and speckle tracking-derived torsion were increased. The increased LV torsion was a result of increased basal and apical rotation. Right ventricular apical ε decreased. In conclusion, maximal intensity short-duration exercise was associated with attenuation of LV diastolic function, augmentation of LV systolic function, and a reduction in apical right ventricular contractility.

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Myocardial Adaptation to Short-term High-intensity Exercise in Highly Trained Athletes

Abstract

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