Preparation and Use of Dried Plasma for Transfusion.

given it is the plasma element that produces the desired effect; the red cells play a secondary part. The main constituent of plasma is the plasma proteins, and it is the administration of these, combined with fluid, which appears to be responsible for the resuscitative action in wound shock, post-operative shock, and burns. Further advantages of plasma are that it will keep indefinitely as compared with stored blood, which has a useful life of fourteen to twenty-eight days only, and that for the administration of plasma no grouping of the recipient is