碘化造影剂简介:特性、静脉注射和全身分布

J. Cobos Alonso , C. Fontenla-Martínez , L. Concepción Aramendía , J.M. Bernabé García , J.J. Arenas-Jiménez
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引用次数: 0

摘要

碘化造影剂在放射学研究中能对血管和内脏结构产生更大的衰减,由于其安全性高、给药方便、耐受性可接受、分布广和排泄快等特点而被广泛使用。在 CT 研究中,造影剂的增强程度由多种因素决定,包括患者相关因素、造影剂特性、给药方法、设备和技术。在 CT 研究中,造影剂的增强程度由多种因素决定,包括患者相关因素、造影剂特性、给药方法、设备和技术。
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Introduction to iodinated contrasts: Properties, intravenous administration and distribution throughout the body
Iodinated contrast media enable greater attenuation of vascular and visceral structures in radiological studies and are widely used due to their high degree of safety, easy administration, acceptable level of tolerance, wide distribution and rapid excretion, qualities determined by their composition.
Automated power injectors are used to administer contrast media. Once injected, contrast is distributed throughout the body, remaining in the intravascular space during its first passage before reaching the organs and spreading into the extracellular interstitial space, followed by a recirculation phenomenon.
In CT studies, the level of contrast enhancement obtained is determined by multiple factors including patient-related factors, contrast medium characteristics, method of administration, equipment and technique. Different methods are available for determining the scan timing depending on the aim of the exploration.
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