日本輸血学会雑誌

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The incidence of serum hepatitis after the transfusion of blood cells was clinically studied. The results obtained were as follows:
1) 28 operative cases were divided in two groups, so that one pare of cases was similar in the operative risk and the operative procedure. On the other hand 400cc whole blood of a donor was divided in two bottles. The one was transfused as the whole blood to a case in the first series and the another transfused as the sedimented blood cells to a cases of the second series. The result showed that in the 1/3-1/4 of the cases of the whole blood transfusion series an elevation of SGOT and SGPT was obserbed usually at the 3rd or 6th month in the posttransfusion periode, in the cases a latent hepatitis was suspected. The changes in the cases of the sedimented blood cells series were rare and slighter.
2) The incidence of posttransfusion jaundice in our clinic (operative cases from July 1963 to February 1964) was as TABLE.
These results show that the sedimented blood cells transfusion is benefisial to prevention of serum hepatits than the whole blood transfusion.
3) Our method of the preparation and the preservation of blood cells was discussed. As the centrifugation of whole blood and the preservation of blood cells as a “Suspended blood cells” shorten the preservable periode, we use favorably the method “Natural sedimentation of blood cells”, preservation of cells alone, not in a form of suspention and transfusion mixed with a suitable medium (plasma expander etc.) on bed side.

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