• O Habler, M Thörner, C Schmidt, P Hofmann, U Döbert, M Höhler, S Klingler, S Moog, A Oehme, M Schäufele, C Wege, and B Voß.
• Klinik für Anästhesiologie, Operative Intensivmedizin und Schmerztherapie, Krankenhaus Nordwest GmbH, Steinbacher Hohl 2-26, 60488, Frankfurt a. Main, Deutschland. habler.oliver@khnw.de.
• Anaesthesist. 2019 Jul 1; 68 (7): 444-455.

BackgroundJehovah's Witness (JW) patients strictly refuse allogeneic blood transfusion for religious reasons. Nevertheless, JW also wish to benefit from modern therapeutic concepts including major surgical procedures without facing an excessive risk of death. The Northwest Hospital in Frankfurt am Main Germany is a confidential clinic of JW and performs approximately 100 surgical interventions per year on this patient group.Material And MethodsA retrospective analysis of closed medical cases performed in the years 2008-2018 at the Northwest Hospital aimed to clarify (1) the frequency of surgical procedures in JW patients associated with a statistical allogeneic transfusion risk (presence of preoperative anemia and/or in-house transfusion probability >10%) during this time period, (2) the degree of acceptance of strategies avoiding blood transfusion by JW and (3) the anemia-related postoperative mortality rate in JW patients.ResultsIn the 11- year observation period 123 surgical procedures with a relevant allogeneic transfusion risk were performed in 105 JW patients. Anemia according to World Health Organization (WHO) criteria was present in 44% of cases on the day of surgery. Synthetic and recombinant drugs (tranexamic acid, desmopressin, erythropoetin, rFVIIa) were generally accepted, acute normovolemic hemodilution (ANH) in 92% and cell salvage in 96%. Coagulation factor concentrates extracted from human plasma and therefore generally refused by JW so far, were accepted by 83% of patients following detailed elucidation. Out of 105 JW patients 7 (6.6%) died during the postoperative hospital stay. In 4 of the 7 fatal cases the cause of death could be traced back to severe postoperative anemia.ConclusionGiven optimal management JW patients can undergo major surgery without an excessive risk of death. The 6.6% in-hospital mortality observed in this institution was in the range of the 4% generally observed after surgery in Europe. The majority of JW patients accepted a variety of blood conservation strategies following appropriate elucidation. This also included coagulation factor concentrates extracted from human plasma enabling an effective treatment of even severe bleeding complications. In this analysis postoperative hemoglobin concentrations below 6 g/dl in older JW patients were associated with a high mortality risk due to anemia.

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