Department of Radiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany.
Eur Radiol. 2012 Jan;22(1):59-72. doi: 10.1007/s00330-011-2239-7. Epub 2011 Aug 16.
To obtain an overview of the current clinical practice of cardiac computed tomography (CT).
A 32-item questionnaire was mailed to a total of 750 providers of cardiac CT in 57 countries.
A total of 169 questionnaires from 38 countries were available for analysis (23%). Most CT systems used (94%, 207/221) were of the latest generation (64-row or dual-source CT). The most common indications for cardiac CT was exclusion of coronary artery disease (97%, 164/169). Most centres used beta blockade (91%, 151/166) and sublingual nitroglycerine (80%, 134/168). A median slice thickness of 0.625 mm with a 0.5-mm increment and an 18-cm reconstruction field of view was used. Interpretation was most often done using source images in orthogonal planes (92%, 155/169). Ninety percent of sites routinely evaluate extracardiac structures on a large (70%) or cardiac field of view (20%). Radiology sites were significantly more interested in jointly performing cardiac CT together with cardiology than cardiologists. The mean examination time was 18.6 ± 8.4 min, and reading took on average 28.7 ± 17.8 min.
Cardiac CT has rapidly become established in clinical practice, and there is emerging consensus regarding indications, conduct of the acquisition, and reading.
了解心脏 CT 检查的临床应用现状。
向 57 个国家的 750 名心脏 CT 检查医师邮寄了一份 32 项内容的调查问卷。
共收到来自 38 个国家的 169 份有效问卷（23%）。94%（207/221）的 CT 系统为最新一代设备（64 排或双源 CT）。97%（164/169）的心脏 CT 检查用于排除冠心病，最常采用的检查前准备方案为β受体阻滞剂（91%，151/166）和舌下含服硝酸甘油（80%，134/168）。扫描时采用的层厚中位数为 0.625mm，层间距为 0.5mm，重建视野为 18cm。92%（155/169）的中心采用多平面重组图像进行诊断。90%（148/164）的中心常规在大视野（70%）或心脏视野（20%）上评估心脏外结构。放射科医师比心内科医师更倾向于与心内科医师共同进行心脏 CT 检查。平均检查时间为 18.6±8.4 分钟，平均阅读时间为 28.7±17.8 分钟。
心脏 CT 检查已迅速在临床实践中得到广泛应用，在适应证、采集方法和阅读方法等方面已达成共识。
