Oxygen consumption during recovery from exercise in children with congenital heart disease.
Oxygen consumption during recovery from exercise in children with congenital heart disease.
复制标题
先天性心脏病儿童运动恢复期间的耗氧量。
DOI：
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发表时间：
1974
期刊：
影响因子：
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通讯作者：
K. Halloran
中科院分区：
文献类型：
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作者：
A. C. Drakonakis;K. Halloran
对正常儿童和先天性心脏病失青紫型患儿进行亚极量运动后氧摄取恢复曲线的研究。运动后，正常儿童和非缺氧性心脏病患者的摄氧量迅速恢复到静息水平。在青紫型儿童中，运动后的氧气摄取量在类似的工作负荷下更大，恢复到静息水平的速度更慢。达到一定的氧气摄取所需的通气量明显大于正常儿童，而心率并不像他们的疲惫程度预期的那样高。研究结果表明，与正常儿童或患有非花青性心脏病的儿童相比，青紫型儿童的通风效率降低，运动强度占其最大工作能力的比例相对较大，有氧能力显著降低。
Recovery curves of oxygen uptake, following submaximal exercise, were studied in normal children and children with acyanotic and cyanotic congenital heart disease. Oxygen uptake in normal children and patients with acyanotic heart disease returned rapidly to resting level following exercise. In cyanotic children, O2uptake, following exercise, was greater at comparable work loads and returned to resting levels more slowly. The ventilation required to achieve a given O2uptake was significantly greater than that in normal children, while heart rate was not as high as expected for the degree of their exhaustion. The findings suggest that cyanotic children had a decreased efficiency of ventilation, exercised at a relatively greater percentage of their maximal working capacity, and had a noticeably decreased aerobic capacity compared to normal children or those with acyanotic heart disease.