The author studied the effects of 139 cases of sedimented red cell transfusion and transfusion reaction on 2090 cases of whole blood transfusion, and 88 cases of Frozen plasma transfusion As well as the incidence of Bacterial contamination blood during the procedures of blood transfusion including with drawing of blood from Donor´s. The results are fallows;
1) In non-peremedicated group; Incidence of over-all side-reations following sedimented red cell transfusion was 6 out of 139 cases (4.3%), and 32 out of 412 cases (7.7%) of ordinarly whole blood transfusion.
2) In premedicated group; The incidence of over-all side-reactions of whole blood transfusion was 21 out of 1678 cases (1.25%).
The. incidence of side-reactions in that group was markedly diminished comparing that of non- . premedicated group.
3). In the culture of Donor´s skin swab at the site of needle puncture where it was disinfected with 2 % phenol sponge alone showed positive culture in 62% and 5.76% in Donor´s whose skin were disinfected with 2% phenol sponge and 3% Iodine tincture.
This result indicated a careful disinfection of the skin in blood collection procedures.
4) The sedimented red cell transfusion appeared to be much more effective in patients with hepatic damage, heart failure, and hypertension, in whom the sodium retention is not desirable.
5) A better clinical result of sedimented red cell transfusion was observed in sympomatic patients with hypoproteinemia than that of *hole blood transfusion. In some cases, however, the sedimented red cell transfusion had to be discontinued because of excessive rise of red cell counts.
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