School of Medicine, University of California at Irvine, Irvine, CA, USA.
J Cardiovasc Comput Tomogr. 2012 Nov-Dec;6(6):381-92. doi: 10.1016/j.jcct.2012.10.007. Epub 2012 Nov 3.
Cardiac multidetector computed tomography (MDCT) angiography is emerging as a technique to evaluate cardiac valve structure and function. MDCT can provide insights into cardiac valve anatomy and pathologic states, including comparable efficacy in valve area and regurgitant orifice area assessment compared with echocardiography and magnetic resonance imaging. MDCT can also be useful when initial evaluation of valvular disease with echocardiography yields suboptimal images. MDCT provides concurrent visualization of coronary anatomy which may avoid the need for further invasive preoperative testing. Overall, more studies have shown the utility of MDCT in imaging of left-sided valves (aortic and mitral), whereas its ability in assessing right-sided valves (tricuspid and pulmonary) is somewhat limited. MDCT has shown promise as a valuable adjunctive imaging tool to conventional imaging modalities in providing essential anatomic and physiologic data on the sequelae of valvular dysfunction, with the potential of guiding both surgical and percutaneous management. MDCT technology continues to evolve, and more studies are indicated to further refine its precise role in the evaluation of patients with valvular pathology.
心脏多排螺旋 CT（MDCT）血管造影术正成为一种评估心脏瓣膜结构和功能的技术。MDCT 可以深入了解心脏瓣膜解剖和病理状态，在评估瓣膜面积和反流口面积方面与超声心动图和磁共振成像具有可比性。当超声心动图对瓣膜疾病的初始评估产生不理想的图像时，MDCT 也很有用。MDCT 可以同时显示冠状动脉解剖结构，从而可能避免进一步进行有创的术前检查。总的来说，越来越多的研究表明 MDCT 在左心瓣膜（主动脉瓣和二尖瓣）成像中的有用性，而其评估右心瓣膜（三尖瓣和肺动脉瓣）的能力则有些有限。MDCT 有望成为传统成像方式的有价值的辅助成像工具，为瓣膜功能障碍的后遗症提供必要的解剖学和生理学数据，有可能指导手术和经皮治疗。MDCT 技术不断发展，需要更多的研究来进一步明确其在评估瓣膜病变患者中的精确作用。
