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[Initial experience with peroperative autotransfusion in spinal surgery].

The authors describe combinations of anaesthesiological methods which enabled them during extensive spondylosurgical operations in 66 patients to reduce the consumption of homologous blood during operation to 90 ml, on the first day after operation to 300 ml and on the second day after operation to 120 ml. In six patients they used preoperative collection of the patient's own blood, in 45 patients acute normovolaemic haemodilution, in all patients controlled hypotension with sodium nitroprusside to a mean arterial pressure of 8-9 kPa and peroperative collection of blood by means of an autotransfusion apparatus Dideco Stat with a standard programme and yield higher than 50%. During and after peroperative collection they did not record any complications. Lower haemoglobin and haematocrit values and a reduced number of erythrocytes, lower than the lower normal range, during and after operation did not threaten the postoperative course in these patients. The authors draw, however, attention to the rise of the number of leucocytes immediately after operation to 19.7 x 10(9). 1(-1) which is due to their shift into the final product. Solution of this phenomenon which can produce ARDS is according to the authors the use of a programme different from the standard one.