منابع مشابه
Changes in potassium and sodium concentrations in stored blood
Potassium is the principal intracellular cation with sodium being the principal extracellular cation. Maintenance of the distribution of potassium and sodium between the intracellular and the extracellular compartments relies on several homeostatic mechanisms. This study analysed the effect of blood storage on the concentrations of potassium and sodium in stored blood and also determine any var...
متن کاملEffect of oxygen and temperature on the potassium efflux of irradiated, stored red blood cells.
Gamma irradiation of blood is performed to prevent transfusion-associated graft-versus-host disease and can result in an accelerated efflux of intracellular potassium (K+). The oxygen content of the blood and the temperature at which the irradiation is carried out are two variables reported to affect this shift; they were investigated in two separate studies. Study A-Four units of AS-5 red bloo...
متن کاملHemoglobin Function in Stored Blood
INTRODUCTION The ultimate aim in transfusing blood is the maintenance or restoration of a medium for the transport of oxygen to body tissues. Most often, the efficacy of transfusion therapy is evaluated by survival of the donor erythrocytes in the recipient. However, red cells may have a normal in vivo survival yet be unable to bind and unload oxygen physiologically. In 1956, Valtis and Kennedy...
متن کاملRisk of Acute Blood Potassium Elevation After Succinylcholine Injection
SUMMARY An abnormal increase in serum potassium afte-r administration of suxamethonium is known to occur in the treatment of burns, trauma, tetanus and neurological disorders. A table shows how long this abnormal reaction lasts approximately in the different categories. A few cases of cardiac arrest following suxamethonium injection are described in detail. The pa;thogenesis of this abnor...
متن کاملPotassium concentrations in irradiated blood.
Blood components are irradiated to reduce the risk of graft versus host disease induced by transfusion in a wide range of immunocompromised patients. Irradiation has been claimed to be harmless to red cells and neutrophil function and to have little effect on platelet increments.'`3 A case of fatal graft versus host disease induced by transfusion in a child prompted our paediatric oncologists t...
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ژورنال
عنوان ژورنال: BMJ
سال: 1940
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.4135.559