Gorcsan J, Reddy S C, Armitage J M, Griffith B P
Division of Cardiology, University of Pittsburgh Medical Center, PA 15213.
J Am Soc Echocardiogr. 1993 May-Jun;6(3 Pt 1):324-6. doi: 10.1016/s0894-7317(14)80071-0.
Acute reduction in pulmonary pressures after lung transplantation for severe chronic pulmonary hypertension may produce a sudden decrease in cavity size of a hypertrophied right ventricle resulting in acquired right ventricular outflow tract obstruction. This case illustrates the utility of transesophageal echocardiography with continuous-wave Doppler to make a morphologic as well as hemodynamic diagnosis of acquired right ventricular outflow tract obstruction in a patient after lung transplantation.
对于严重慢性肺动脉高压患者，肺移植后肺动脉压力急性降低可能导致肥厚的右心室腔大小突然减小，从而造成获得性右心室流出道梗阻。本病例说明了经食管超声心动图结合连续波多普勒在对肺移植术后患者获得性右心室流出道梗阻进行形态学及血流动力学诊断方面的实用性。
