Abstract
A new hollow-fiber oxygenator has become available for clinical cardiopulmonary bypass. It is available in three sizes for adult use, ranging from 3.3 to 5.4 m2. The surface area is dependent on the number of fibers, with blood and oxygen effecting very efficient gas transfer throughout the length of each of the fibers. The clinical experience now covers 100 patients, using the 3.3-m2 device in 16 patients, the 4.3-m2 device in 12 patients, and the 5.4-m2 device in 72 patients. In all cases, the oxygenator has proven highly efficient in gas transfer. The addition of an oxygen-blending unit was found to be necessary to prevent overoxygenation. It is a safe and effective device to use in routine clinical practice.
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