方法：对32例MS患者进行肺功能和右心导管检查。
Methods: Pulmonary function and cardiac catheterization were performed in 32 patients with MS.
材料和方法：对12例合并PH的先心病患儿行右心导管检查的同时进行肺动脉IVUS成像。
Materials and Methods: IVUS and cardiac catheterization were undertaken in 12 children with CHD and PH.
肺动脉压力经典的测量方法是通过右心导管检查术，肺动脉高压其诊断的金标准也是有创性右心导管检查法。
The classic measurement of the pressure of pulmonary artery is by cardiac catheter of right heart, and the gold standard of PAH is also this method.
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