methods: 36 patients who were diagnosed as acute exacerbation period of copd and in need of ventilation were divided into observation group and control group with 18 patients respectively.
方法:将36例诊断为copd急性加重期需要通气的患者随机分为观察组和对照组,每组各18例。
objective to observe the effects of stone needle on chronic obstructive pulmonary disease in acute exacerbation period (aecopd).
目的观察砭石治疗慢性阻塞性肺疾病急性加重期的疗效。
there are two pronounced periods, including exacerbation period from 1958 to 1975, and alleviation period after 1975.
此期间经历了两个明显的时期:即1958年到1975年的侵蚀加剧时期和1975年后的侵蚀减退期。