A Novel Contrast Removal System From the Coronary Sinus Using an Adsorbing Column During Coronary Angiography in a Porcine Model
Ichiro Michishita, MD, PhD*,* and
Zenzo Fujii, MD, PhD
* Division of Cardiology, Department of Internal Medicine, Yokohama Sakae Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Yokohama, Japan
Division of Cardiovascular Medicine, Department of Medical Bioregulation, Yamaguchi University School of Medicine, Yamaguchi, Japan
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Figure 1 The 8-F blood-suction catheter.
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Figure 2 Effects of column use on iodine concentration. Iodine concentrations were measured in the flow at the inlet and the outlet of the column during circulation. Values are presented as mean ± SEM (n = 5). *p < 0.001; p < 0.05; inlet vs. outlet, respectively.
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Figure 3 Removal of contrast medium using the column. Values are presented as mean ± SEM (n = 5). The solid lines show the individual values.
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Figure 4 Changes of iodine concentrations in peripheral blood resulting from the use of the column. Values are presented as mean ± SEM (n = 5 or 3). *p < 0.0005; p < 0.003.
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Figure 5 Area under the curve in femoral venous blood treated with or without the column. Values are presented as mean ± SEM (n = 5 or 3); p = 0.0003. AUC0-90 = area under the curve of iodine concentrations in the femoral vein from 0 to 90 min of the extracorporeal circulation time.
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