The primary end point was a composite of EF, distance on a 6-min walk test and Minnesota Living with Heart Failure Questionnaire (MLWHF) score.
主要终点事件是射血分数、6分钟步行实验、明尼苏达生活质量分数的复合。
Cardiac catheterization, standard lung function testing before and after iloprost inhalation, 6-min walk test, World Health Organization functional class, and hemodynamic parameters were monitored.
研究监测了吸入前后的心导管检查、标准肺功能检查，6分钟步行实验、世界卫生组织功能分级和血流动力学指标。
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