The certain diagnosis of weaning-induced ACPE often requires pulmonary-artery catheterization since it is usually made by the demonstration of a marked increase in pulmonary-artery occlusion pressure (PAOP) during spontaneous breathing trial.

• 确诊脱机诱发的ACPE常需行肺动脉插管，在自主呼吸试验期间，肺动脉嵌压（PAOP）常显著增加。