Low dose contrast media in step-and-shoot coronary angiography with third-generation dual-source computed tomography: feasibility of using 30 mL of contrast media in patients with body surface area <1.7 m 2

Quantitative Imaging in Medicine and Surgery

article

Liang Jin¹  Bing Jie²  Yiyi Gao¹  An’qi Jiang¹  Tingwen Weng³  Ming Li¹ 

[1] Radiology Department, Huadong Hospital, Affiliated with Fudan University;Radiology Department, Shanghai Pulmonary Hospital, Affiliated with Tongji University;Cardiology Department, Huadong Hospital, Affiliated with Fudan University;Institute of Functional and Molecular Medical Imaging, Fudan University

关键词: Contrast media;    coronary angiography;    body surface area;    coronary artery disease;    computed tomography angiography;   

DOI  :  10.21037/qims-20-500

学科分类：外科医学

来源: AME Publications

【 摘 要 】

Background: Reducing contrast media volume in coronary computed tomography angiography minimizes the risk of adverse events but may compromise diagnostic image quality. We aimed to evaluate coronary computed tomography angiography’s diagnostic image quality while using 30 mL of contrast media in patients with a body surface area 0.05). A contrast media volume of 30±0 mL was used for the low-dose group, and 41.62±4.59 mL was used for the routine-dose group. The low-dose group’s computed tomography values were significantly different from those of the routine-dose group (P<0.05). The radiologists demonstrated agreement regarding diagnostic image quality and accuracy (kappa =0.91 and 0.85, respectively). Conclusions: Using 30 mL of contrast media for coronary computed tomography angiography in patients with a body surface area <1.7 m 2 provided a suitable diagnostic image quality for coronary artery disease diagnosis. Although radiation doses were similar between the groups, the decreased contrast media volume was likely beneficial for the patients.

【 授权许可】

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