The cause of dyspnea may be pulmonary disease, circulatory disease, or both.
呼吸困难的原因可能是肺部疾病,循环系统疾病或者两者并存。
2
The effects of ligation instead of traditional LVRS were evaluated by comparing the dyspnea, pulmonary function, living state before operation and 6-months, 12-months, 24-months after operation.