The recent wave of enthusiasm for transfusion was initiated by the introduction of simplified methods for transferring blood, the elimination of dangers, and an increasing appreciation of the therapeutic value of the procedure. The nearer one approaches giving blood as it exists within the vessels of the donor, the nearer one attains ideal conditions. Numerous procedures have been suggested to render the technic of anastomosing vessels less difficult; but none have survived the practical test, so that indirect methods have gradually taken their place. These are of two types; those supplying whole unmodified blood, and those which add an anticoagulant. The first group is represented by the method of Kimpton and Brown,1 by that of Lindeman,2 and by the one3 described by me in this journal some years ago.4
These methods mechanically overcome the technical difficulties of direct transfusion. However, the problem has also been attacked
UNGER LJ. THE THERAPEUTIC ASPECT OF BLOOD TRANSFUSION. JAMA. 1919;73(11):815–818. doi:10.1001/jama.1919.02610370013005
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