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国外作者曾用右心导管方法研究单纯缺氧或运动以及在高原运动时肺循环变化,这些研究必须进行右心导管,对人总有一定程度损害。近年来国内外不同作者观察了慢性肺疾病、肺心病和先天心脏病病人的肺血流图变化,他们认为肺血流图可无创性了解肺部血液供应情况和肺血管张力及弹性变化,间接判定右室功能。阶梯式间断缺氧复合运动锻炼对肺血流图影响尚未见有报告。研究这些变化可以了解阶梯式间断缺氧复合运动锻炼对肺循环影响。这对
Foreign authors have used right heart catheterization method to study hypoxia or exercise alone and changes in the pulmonary circulation during exercise at the high altitude. These studies must be performed on the right heart catheterization to a certain extent, to some degree. In recent years, different authors at home and abroad observed changes in the pulmonary blood flow pattern in patients with chronic lung disease, pulmonary heart disease and congenital heart disease. They think that pulmonary blood flow diagrams can be noninvasive to understand the pulmonary blood supply and pulmonary vascular tone and elastic changes, indirectly Determine the right ventricular function. There is no report about the influence of stepped intermittent anoxia combined exercise on pulmonary blood flow diagram. Studying these changes can understand the effects of stepwise intermittent anoxia combined exercise on pulmonary circulation. This pair