CONCLUSION: Respiratory exercise is an effective method for reducing the pulmonary complications of patients with heart double valve replacement.

结论呼吸运动训练是减少心脏双瓣膜置换手术患者肺部并发症的有效措施。

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AIM: to instruct the respiratory exercise in patients with heart double valve replacement, so as to prevent the occurrence of pulmonary complications.

目的指导心脏双瓣膜置换术患者进行呼吸运动训练，预防肺部并发症。

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Cardiorespiratory fitness, or aerobic fitness, is the ability of the circulatory and respiratory systems to deliver oxygen to skeletal muscles during sustained physical activity or exercise.

心肺适能，或有氧适能，是指持续体力活动或锻炼时机体循环系统和呼吸系统向骨骼肌供氧的能力。

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Still, many parents, sports coaches and doctors who aren't respiratory specialists either don't know that exercise can be helpful for kids with asthma, or they don't routinely talk about exercise with their patients.

WSJ: Kids With Asthma Play Hard, Too

Asthma attacks can be brought on by exercise, cold and other triggers, says Shawna Strickland, a respiratory therapist and an associate executive director of the American Association for Respiratory Care.

WSJ: Kids With Asthma Play Hard, Too

Engaging in new behaviors to enhance our health like regular exercise will lead to improved muscle tone, cardiac function, stronger bones, better respiratory function, more balanced emotions and calmer nerves, greater mental clarity and a better night's sleep.

CNN: Manage your brain -- it's your most important asset