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Safety and Efficacy of Pressure-Limited Power Injection of Iodinated Contrast Medium Through Central Lines in Children

Cynthia K. Rigsby1,2, Eric Gasber1, Roopa Seshadri3,4, Christine Sullivan4, Mary Wyers1,2 and Tamar Ben-Ami1,2

1 Department of Medical Imaging, Children's Memorial Hospital, 2300 Children's Plaza, Box 9, Chicago, IL 60614.
2 Department of Radiology, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611.
3 Department of Pediatrics and Preventive Medicine, Children's Memorial Hospital, Chicago, IL 60614.
4 Mary Ann and J. Milburn Smith Child Health Research Program, Children's Memorial Hospital, Chicago, IL 60614.


Figure 1
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  		Fig. 1A —CT studies of chest. 18-year-old, 98-kg boy with osteosarcoma. Contrast injection rate of 1.1 mL/s through port. Adequacy score, 1.

 

Figure 2
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  		Fig. 1B —CT studies of chest. 10-year-old, 32-kg girl with Hodgkin's disease. Contrast injection rate of 1.1 mL/s through port. Adequacy score, 3.

 

Figure 3
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  		Fig. 1C —CT studies of chest. 7-month-old, 8.5-kg boy with congenital heart disease and bronchomalacia. Contrast injection rate of 0.3 mL/s through dual-lumen peripherally inserted central catheter. Adequacy score, 5.

 

Figure 4
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  		Fig. 2A —Abdominal CT studies. 16-year-old, 47-kg boy with T-cell lymphoma. Contrast injection rate of 0.3 mL/s through port. Adequacy score, 1.

 

Figure 5
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  		Fig. 2B —Abdominal CT studies. 1-year-old, 10-kg boy with cystic fibrosis status post bowel surgery. Contrast injection rate of 0.3 mL/s through dual-lumen peripherally inserted central catheter. Adequacy score, 3.

 

Figure 6
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  		Fig. 2C —Abdominal CT studies. 6-year-old, 28-kg girl with Wilm's tumor. Contrast injection rate of 2 mL/s through tunneled line. Adequacy score, 5.

 

Figure 7
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  		Fig. 3A —Receiver operating characteristic curves for examinations with weight as predictor variable. Points of best combination of sensitivity and specificity and resultant weight cutoff values are labeled on each curve. Curves show rating in examinations of chest (A), abdomen (B), and pelvis (C).

 

Figure 8
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  		Fig. 3B —Receiver operating characteristic curves for examinations with weight as predictor variable. Points of best combination of sensitivity and specificity and resultant weight cutoff values are labeled on each curve. Curves show rating in examinations of chest (A), abdomen (B), and pelvis (C).

 

Figure 9
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  		Fig. 3C —Receiver operating characteristic curves for examinations with weight as predictor variable. Points of best combination of sensitivity and specificity and resultant weight cutoff values are labeled on each curve. Curves show rating in examinations of chest (A), abdomen (B), and pelvis (C).

 

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