Standard efficiency is an important functional parameters of membrane oxygenators. Standard efficiency of membrane oxygenators is determined, for example, by the AAMI Standard [5], and it is estimated by the amount of oxygen absorbed by blood or by the carbon dioxide removal from blood, whichever is the rate-limiting process. Study of processes both in individual gas channels and in the oxygenator as a whole [1, 2, 4] revealed that oxygen transport is the rate-limiting process in modern membrane oxygenators with continuous homogeneous high-permeability separating membranes. However, in experimental
Low-flow membrane oxygenation of donor blood stored for 3 days significantly increases the number of T cells (total and active populations) and stimulates the enzyme activity of neutrophils. Clinical trials (a purulent-septic abdominal disorder) show that membrane oxygenation of autologous blood is promising for the treatment of secondary immunodeficiency.
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