車椅子マラソンの運動負荷後の心機能への影響評価

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  • An evaluation of the influence on the cardiac function after excessive exercise is loaded at the wheelchair marathon
  • クルマイス マラソン ノ ウンドウ フカゴ ノ シンキノウ エ ノ エイキョウ

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In this paper, we examined the safety during the wheelchair marathon. By monitoring the cardiac function and the metabolic function at the same time through the blood and biochemical labo-data analysis, electrocardiogram, Holter's electrocardiogram and RR time series analysis and echocardiogram in the subjects at the wheelchair marathon. Heart rate increased significantly from 66.0±12.6 to 99.0±10.8 beat/min. Systolic blood pressure increased significantly from 117.7±18.6 to 143±12.6mmHg. Diastolic blood pressure decreased significantly from 70.0±10.4 to 45.0±8.8mmHg. No changes in left ventricular function and size on the echocardiogram. The findings of dehydration were not recognized after the race. The increase in plasma TAT complex concentrations was significantly greater from 2.2±0.4 to 4.0±0.6ng/ml. WBC was significantly increased from 7.0±1.9 to 13.3±5.6×103/μ1. No other measurement items significantly changed after the race. The findings of arrhythmias. (supraventricular premature count, ventricular premature count, or other block etc.) were not significantly recognized during the race. In this paper, it is possible that these subjects who have hardly atherosclerosis, if they enter the race after full training and with supplying water, do safely without the bad influence to the heart. But old age athlete with atherosclerosis should be done full medical check before the race in the future.

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