| English |
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| Title | Hemodilution Has an Important Role in Femoral-to-Radial Artery Pressure Gradient after Cardiopulmonary Bypass |
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| Subtitle | |
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| Authors | Yukiko Goda*, Koichi Takita**, Satoshi Gando*, Hiroshi Kawahigashi*, Hiroshi Sakamoto**, Yoshitada Ito*, Osamu Kemmotsu** |
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| Authors(kana) | |
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| Organization | *Department of Anesthesia, Sapporo City General Hospital, **Department of Anesthesiology and Intensive Care, Hokkaido University School of Medicine |
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| Journal | Circulation Control |
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| Volume | 16 |
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| Number | 2 |
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| Page | 223-228 |
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| Year/Month | 1995/ |
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| Article | Original article |
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| Publisher | Japan Society of Circulation Control |
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| Abstract | 「Abstract」We evaluated the relation between hematocrit values and femoral-to-radial artery pressure differences in patients undergoing coronary artery bypass graft surgery to confirm whether the reduction in hand vascular resistance is caused by hemodilution. Anesthesia management and monitoring followed the standard method for cardiac surgery. Radial and femoral artery pressures through catheters were measured using disposable transducers and a monitoring system. Hematocrit and blood viscosity from the femoral artery were measured before and after CPB, and radial and femoral artery pressures were recorded simultaneously. Spearman rank regression analysis was performed between changes of hematocrit from the baseline values (ΔHt) and systolic, mean and diastolie values of femoral-to-radial artery pressure differences (ΔP). ΔHt and ΔP of systolic arterial pressure showed a good correlation with a correlation coefficient (r) of 0.716. Although there was a correlation between ΔHt and ΔP of mean arterial pressure (r=0.617), no correlation was obtained between ΔHt and ΔP of diastolic arterial pressure. There was correlation between blood viscosity and either ΔP of systolic or mean arterial pressures (r=-0.810 and -0.713, respectively). These results indicate that hemodilution has an important role responsible for the femoral-to-radial artery pressure gradient after CPB. |
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| Practice | Basic medicine |
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| Keywords | Hemodilution, Hematocrit, Viscosity, Femoral-to-radial artery pressure gradient, Cardiopulmonary bypass |
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