论文部分内容阅读
老年人呼吸系统与全身其他系统一样,在衰老过程中可伴有某些功能退化,这在老年人呼吸系统疾病的处理中是个重要问题。此外,有些呼吸系统疾病极易在老年人中发生,因外本文复习肺的正常衰老过程,呼吸调节的改变和障碍以及老年人特有的呼吸系统疾病。【衰老对正常肺脏的影响】老年人由于弹性硬蛋白(Elastin)的变化使肺组织失去大部分弹性,肺组织收缩力减弱,肺气体排出不完全,周围肺组织肺泡呈不同程度的扩张即所谓老年性肺气肿,这在老年人是很常见的。随着年龄的增长,胶原成分可
The respiratory system of the elderly, like other systems in the body, may be accompanied by some degeneration of the aging process, which is an important issue in the treatment of respiratory diseases in the elderly. In addition, some respiratory diseases can easily occur in the elderly because of the review of the normal lung aging process, changes in respiratory regulation and disorders, and elderly-specific respiratory diseases. The effects of aging on normal lungs In the elderly, most of the elasticity of the lung tissue is lost due to the change of elastin, the contractility of the lung tissue is weakened, the pulmonary gas is not completely expelled, and the alveoli of the surrounding lung tissue are expanded to different degrees Senile emphysema, which is very common in the elderly. With age, collagen composition can be