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Effect of contrast agent administration on water equivalent diameter in CT
Medical Physics ( IF 3.2 ) Pub Date : 2021-01-13 , DOI: 10.1002/mp.14721
Benjamin Viggiano 1 , Sean Rose 2 , Timothy P. Szczykutowicz 3
Affiliation  

Water equivalent diameter (WED) is the preferred surrogate for patient size in computed tomography (CT). It is better than geometric size surrogates and patient weight/height/BMI/age because it correlates the best with x‐ray attenuation. The administration of oral/IV contrast agents increases a patient’s attenuation and should therefore increase WED. Here we study the clinically relevant effect of oral and IV contrast agent on WED.

中文翻译:

造影剂给药对CT中水当量直径的影响

水等效直径(WED)是计算机断层扫描(CT)中患者体型的首选替代指标。它比几何尺寸替代物和患者体重/身高/ BMI /年龄更好,因为它与X射线衰减最相关。口服/静脉造影剂的给药会增加患者的衰减,因此应增加WED。在这里,我们研究了口服和静脉造影剂对WED的临床相关作用。
更新日期:2021-03-15
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