The aim of this study is the investigation of acute cardiovascular responses of marathon runners after the completion of a marathon race (42.2 km), as well as of the determinants of these changes.
Study Type
OBSERVATIONAL
Enrollment
50
Body fat measurement using skinfolds
Electrocardiographic exercise testing with ergospirometer on a treadmill
Transthoracic echocardiography
Aristotle University of Thessaloniki
Thessaloniki, Greece
Baseline left ventricular (LV) systolic function
Evaluation of LV ejection fraction
Time frame: Evaluation of athletes within 3 weeks before the marathon running race.
Baseline LV diastolic function
Evaluation of LV filling pressures
Time frame: Evaluation of athletes within 3 weeks before the marathon running race.
Baseline basal right ventricular (RV) function
Evaluation of tricuspid annular plane systolic excursion (TAPSE)
Time frame: Evaluation of athletes within 3 weeks before the marathon running race.
Baseline global RV function
Evaluation of RV fractional are change (RVFAC)
Time frame: Evaluation of athletes within 3 weeks before the marathon running race.
Post-exercise LV systolic function
Evaluation of LV ejection fraction
Time frame: Evaluation of athletes immediately after the completion of the marathon running race.
Post-exercise LV diastolic function
Evaluation of LV filling pressures
Time frame: Evaluation of athletes immediately after the completion of the marathon running race.
Post-exercise basal RV function
Evaluation of TAPSE
Time frame: Evaluation of athletes immediately after the completion of the marathon running race.
Post-exercise global RV function
Evaluation of RVFAC
Time frame: Evaluation of athletes immediately after the completion of the marathon running race.
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Blood test for measurement of haemoglobin, serum electrolytes, iron, ferritin and vitamins