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  • Title: [The role of autologous blood transfusion in the the Federal Republic of Germany. Results of a 1993 questionnaire. 1. The reunited Germany].
    Author: Kasper SM, Kiencke P, Lynch J, Beiten D.
    Journal: Anaesthesist; 1995 Apr; 44(4):230-41. PubMed ID: 7785751.
    Abstract:
    UNLABELLED: The objective of the study was to evaluate the role of autologous blood transfusion in current clinical practice in the Federal Republic of Germany after reunification. METHODS: Questionnaires were sent to the anaesthesia departments of 684 German hospitals in January 1993. The sample consisted of 400 randomly selected hospitals from the former West Germany ("old federal states") and 284 hospitals from the former German Democratic Republic ("new federal states"). Only hospitals with more than 25 surgical beds were included in the study. The questionnaire contained 36 questions related to (1) general information on the hospital, (2) preoperative autologous blood donation (PABD), (3) preoperative plasmapheresis, (4) isovolaemic haemodilution, (5) perioperative blood salvage, and (6) general management of blood transfusion. RESULTS: A total of 502 completed questionnaires (73%) were returned, 305 from hospitals in the "old federal states" and 197 from hospitals in the former German Democratic Republic. Nine per cent of the responding hospitals were running their own transfusion services, and 56% were located in the vicinity of a regional blood bank. The overall proportion of surgical procedures requiring perioperative blood transfusion ranged from 1% to 90% (median 10%). PABD was performed "not at all" in 18%, "rarely" in 20% "occasionally" in 27%, "frequently" in 17%, and "mostly" in 16% of the responding hospitals. The principal use of PABD was in orthopaedic surgery and cardiac surgery (83% and 70% of the departments in question, respectively). In more than 50% of the hospitals reporting, the PABD service was run by the anaesthesia department. Patients not meeting the established criteria for homologous blood donors were accepted for autologous blood donation "frequently" and "mostly" in 20% and 12% of the hospitals, respectively, but at most "occasionally" in 63% of the hospitals. Preoperative plasmapheresis was performed in 12% of the responding hospitals. Autologous fresh frozen plasma predominantly was used for volume replacement, and for prevention of coagulation disorders when major blood loss was anticipated. Isovolaemic haemodilution was performed "not at all" in 28%, "rarely" in 19%, "occasionally" in 28%, "frequently" in 16%, and "mostly" in 8% of the responding hospitals. The reasons most frequently invoked for not performing haemodilution were "too time consuming" and "too little blood-saving effect". Cell separators for perioperative blood salvage were available in 30% of the responding hospitals. Of the other hospitals not equipped with cell-washing devices, 11% performed perioperative blood salvage of unprocessed blood by means of simple collection devices. Some 80% of those hospitals using intraoperative autotransfusion devices also performed blood salvage postoperatively. The principal use of perioperative blood salvage was in cardiac surgery, orthopaedics, and vascular surgery (90%, 54%, and 54% of departments, respectively). Some 48% of the responding anaesthetists "mostly" considered haemoglobin levels of 8-10 g/dl acceptable in patients without cardiopulmonary disease, but only 18% did so in patients with cardiopulmonary disease. CONCLUSIONS: Although available in the majority of hospitals surveyed, the simple techniques of both PABD and isovolaemic haemodilution are unduly neglected in routine clinical practice. The consistent use of both of these techniques, and the careful weighing up of the indication for every single blood transfusion, would not only effectively reduce homologous blood transfusions, but also enable even small hospitals to run successful autologous transfusion programmes without expensive cell-washing and plasmapheresis devices.
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