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Perioperative red cell salvage (PCS) is a technique that has been widely used in the USA and Europe for over twenty years. It is usually employed as one of a number of measures aimed at conserving or avoiding the use of allogeneic blood. The available technology for PCS has been considerably refined over the last twenty years both in terms of safety and ease of use. By far the most extensively documented method for performing PCS is the technique known as centrifugal cell separation. This technique employs a machine to process the blood spilt into the wound during operation, concentrating the
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