目的:纳入射血分数保留心力衰竭相关肺动脉高压（pulmonary hypertension due to heart failure with preserved ejection fraction,......

背景：肺动脉高压是一种不同病因所致肺动脉阻塞,进而引起肺血管阻力增加,最终导致右心衰竭的临床综合征,其进展迅速,预后甚差。现有......