COVID-19 Imaging: What We Know Now and What Remains Unknown.
COVID-19 Imaging: What We Know Now and What Remains Unknown.
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DOI：
10.1148/radiol.2021204522
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发表时间：
2021-06
期刊：
影响因子：
19.7
通讯作者：
Sverzellati N
中科院分区：
文献类型：
--
作者：
Kanne JP;Bai H;Bernheim A;Chung M;Haramati LB;Kallmes DF;Little BP;Rubin GD;Sverzellati N
SARS-CoV-2病毒的感染范围从无症状到严重甚至致命的疾病，最常见的是急性肺损伤。在大流行期间，影像学的作用发生了变化，最初CT是替代性的，与RT-PCR相比可能是上级的检测方法，根据特定的适应症，其作用更加有限。在大流行期间早期为疑似COVID-19患者的胸部成像制定了几个分类和报告方案，以在RT-PCR检测的可用性有限且其性能不明确时帮助分诊。在多项研究中，观察者对具有COVID-19典型结果的类别和那些表明替代诊断的类别的一致性很高。此外，一些研究在胸部X线摄影和CT上观察肺部受累程度，显示与危重疾病和机械通气需求相关。除了肺部表现外，血栓栓塞和心肌炎等心血管并发症也被归因于COVID-19，有时还导致神经系统和腹部表现。最后，人工智能在诊断和预后COVID-19肺炎方面显示出了前景，无论是在X射线摄影还是CT方面。
Infection by SARS-CoV-2 virus ranges from asymptomatic to severe and sometimes fatal disease, most frequently the result of acute lung injury. The role of imaging has evolved during the pandemic, initially with CT as alternative and possibly superior test compared to RT-PCR, to a more limited role based on specific indications. Several classification and reporting schemes were developed for chest imaging early during the pandemic for patients with suspected COVID-19 to aid in triage when the availability of RT-PCR testing was limited and its performance unclear. Interobserver agreement for categories with findings typical of COVID-19 and those suggesting an alternative diagnosis is high across multiple studies. Furthermore, some studies looking at the extent of lung involvement on chest radiography and CT showed correlations with critical illness and need for mechanical ventilation. In addition to pulmonary manifestations, cardiovascular complications such as thromboembolism and myocarditis have been ascribed to COVID-19, sometimes contributing to neurologic and abdominal manifestations. Finally, artificial intelligence has shown promise in both diagnosis and prognosis of COVID-19 pneumonia both with respect to radiography and CT.
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