Left ventricular volume changes during supine exercise in young endurance athletes

Aim:  The primary objective of the study was to measure the relative left ventricular volumes and the changes in left ventricular ejection fraction during supine position from rest to exercise in young endurance athletes. The secondary objective was to examine if there were gender differences regard...

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Bibliographic Details
Published in:Acta physiologica Scandinavica 2003-04, Vol.177 (4), p.467-472
Main Authors: Sundstedt, M., Jonason, T., Ahrén, T., Damm, S., Wesslén, L., Henriksen, E.
Format: Article
Language:English
Subjects:
Adult
Athletes
Biological and medical sciences
Blood Pressure - physiology
exercise
Exercise - physiology
Female
Fundamental and applied biological sciences. Psychology
Heart
Heart Rate - physiology
Humans
left ventricular dynamics
Male
radionuclide ventriculography
Radionuclide Ventriculography - methods
Rest - physiology
Sports
Stroke Volume - physiology
Ventricular Function, Left - physiology
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
Vertebrates: cardiovascular system
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Summary:Aim:  The primary objective of the study was to measure the relative left ventricular volumes and the changes in left ventricular ejection fraction during supine position from rest to exercise in young endurance athletes. The secondary objective was to examine if there were gender differences regarding the volume reply and ejection fraction with exercise. Method:  Sixty‐five (35 female and 30 males) young healthy Swedish orienteers participated in the study. Left ventricular volume and ejection fraction changes between rest and submaximal supine bicycle exercise were measured with radionuclide ventriculography. Results:  The mean left ventricular end‐diastolic volume increased by 13% (P 
ISSN:0001-6772
1365-201X
1365-201X
DOI:10.1046/j.1365-201X.2003.01098.x