Contrast media extravasation during dynamic CT: Detection with an extravasation detection accessory

被引：15
作者：
Nelson, RC
Anderson, FA
Birnbaum, BA
Chezmar, JL
Glick, SN
机构：
[1] Duke Univ, Med Ctr, Dept Radiol, Durham, NC 27710 USA
[2] Univ Massachusetts, Ctr Med, Dept Surg, Worchester, MA USA
[3] Hosp Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[4] Emory Univ Hosp, Dept Radiol, Atlanta, GA 30322 USA
[5] Hahneman Univ, Dept Radiol, Ctr Med, Philadelphia, PA USA
来源：
RADIOLOGY | 1998年 / 209卷 / 03期
关键词：
computed tomography (CT); contrast media; complications; interventional procedures;
D O I：
10.1148/radiology.209.3.9844684
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
To detect extravasation of contrast media during mechanical power injection at dynamic computed tomography x 8-cm pliable adhesive was applied to the skin over the intravenous cannula and connected to the power injector with a cable to monitor electrical skin impedance. If the rate of change or the slope of impedance over time indicated an extravasation event, the power injector was set into a pause mode, In animal and human studies, monitoring with the device was successful. Extravasation of ionic contrast agents decreased impedance and that of nonionic agents increased impedance.
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收藏
页码：837 / 843
页数：7
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