大学生の運動負荷心電図評価におけるマスター試験の限界と多段階漸増負荷試験の有用性(<特集>第3回日本健康医学会総会)

張谷 秀章, 伊東 春樹

doi:10.20685/kenkouigaku.3.1_46

In many universities and colleges in Japan, double Master's step test is widely employed to detect the cardiac abnormality prior to the swimming class in healthy students. To evaluate the efficacy and the limitation of Master exercise testing, we compared the test with symptomlimited multi-stage bicycle ergometer exercise test in 43 students who are clinically free of cardiac disease. In 43 selected students (24 males and 19 females), two students (4.7%) could be classified as positive exercise responders by application of conventional ST criteria. Routine (Master) exercise testing of the students carried out before bicycle ergometer exercise testing did not show any abnormality in ECG including ST-segment depression and T change. Peak heart rate in a Master's test was 76±9 while those of a multi-stage ergometer testing was 166±11. Our results suggest that Master exercise testing for asymptomatic adults in evaluating exercise-induced cardiac disorders could gave false negative results. It is recommended that exercise testing with symptomlimited multi-stage protocol using bicycle ergometer should be used before exercise training to screen the cardiac disease in asymptomatic adults.

大学生の運動負荷心電図評価におけるマスター試験の限界と多段階漸増負荷試験の有用性(<特集>第3回日本健康医学会総会)

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