Nikolaou Konstantin, Weis Marion, Schoenberg Stefan O, Reichart Bruno, Reiser Maximilian F
Department of Clinical Radiology, University of Munich, Grosshadern, Germany.
Ann Thorac Surg. 2004 Sep;78(3):1064-6. doi: 10.1016/S0003-4975(03)01382-1.
In patients with severe congestive heart failure, a marked elevation in pulmonary vascular resistance limits the success of orthotopic cardiac transplantation, providing the rationale for heterotopic transplantation. In the case reported, cardiac anatomy and function of two hearts in the same chest were imaged using magnetic resonance imaging (MRI). MRI offers a high-resolution, three-dimensional, noninvasive technique to visualize the complex anatomy after heterotopic heart transplantation, providing information of morphologic and functional parameters at the same time. The challenge of sufficient electrocardiogram triggering, hindered by two hearts with electrophysiological activity in the same chest, can be overcome using new real-time techniques.
在严重充血性心力衰竭患者中，肺血管阻力显著升高限制了原位心脏移植的成功率，这为异位移植提供了理论依据。在本报告的病例中，使用磁共振成像（MRI）对同一胸腔内两颗心脏的心脏解剖结构和功能进行了成像。MRI提供了一种高分辨率、三维、非侵入性技术，可在异位心脏移植后可视化复杂的解剖结构，同时提供形态学和功能参数信息。同一胸腔内两颗具有电生理活动的心脏会阻碍充分的心电图触发，利用新的实时技术可以克服这一挑战。
