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Racial Differences in Left Ventricular Filling Pressure Following Acute Aerobic Exercise Between Chinese and Caucasians
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作者 Peng Sun Huimin Yan +6 位作者 sushant m.ranadive Abbi D.Lane Rebecca MKappus Tracy Baynard Xiaodan Sun Shichang Li Bo Fernhall 《Journal of Science in Sport and Exercise》 2022年第3期275-282,共8页
Background Left ventricular filling pressure(LVFP)is an important early indicator of heart failure that is more prevalent in Caucasians than Chinese.Exercise-induced change in LVFP may provide more incremental informa... Background Left ventricular filling pressure(LVFP)is an important early indicator of heart failure that is more prevalent in Caucasians than Chinese.Exercise-induced change in LVFP may provide more incremental information to assess dias-tolic function.But it was unknown whether there was difference in LVFP following acute exercise between Caucasians and Chinese.Purpose The purpose of this study was to investigate the change of LVFP following an acute 45-min aerobic exercise in healthy Caucasian and Chinese individuals.Methods Sixty participants(30 Caucasians and 30 Chinese,half was male,respectively)performed an acute bout of aero-bic exercise at 70%of heart rate reserve.Hemodynamics,Left ventricle(LV)morphology and function parameters were measured at baseline,then at 30-min and 60-min post-exercise.Results There was a similar LV ejection fraction,LV fraction shorten,lateral E/eʹand lateral eʹbetween Chinese and Caucasians at baseline.There was a significant race-by-time interaction in lateral E/eʹand lateral eʹbetween Chinese and Caucasians from pre-exercise to 30 min and 60 min after acute aerobic exercise.TheΔE/eʹwas significant correlated with baseline systolic blood pressure.Conclusion The change of LVFP was different between Chinese and Caucasians following acute aerobic exercise.The racial differences may be primarily caused by the changes of LV relaxation following exercise,baseline systolic blood pressure may also contribute to the differences. 展开更多
关键词 Diastolic function Left ventricular filling pressure Racial differences
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