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Magic in a bottle? A Focused review of factor concentrates for the intraoperative treatment of acquired coagulopathy - Fibrinogen concentrate, prothrombin complex concentrate, and recombinant activated factor VII.
Best Pract Res Clin Anaesthesiol
December 2023
Department of Anesthesia and Pain Management, Sinai Health System, Women's College Hospital, University Health Network, Toronto, Ontario, Canada; Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, Ontario, Canada; Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada; Interdepartmental Division of Critical Care, Department of Medicine, University of Toronto, Toronto, Ontario, Canada.
Goal-directed administration of blood components including red cells, platelets, plasma, and factor concentrates plays a critical role in the management of intraoperative coagulopathy. Increasingly commonly used, purified and recombinant factor concentrates are being recognized for their logistical advantages and potentially superior efficacy. Three- and four-factor prothrombin concentrates, fibrinogen concentrates and activated factor VII have an evolving evidence base relative to frozen plasma and cryoprecipitate.
View Article and Find Full Text PDFDoes patient blood management represent good value for money?
Best Pract Res Clin Anaesthesiol
December 2023
Transfusion Research Unit, School of Public Health and Preventive Medicine, Monash University, Australia; Department of Clinical Haematology, Monash Health, Melbourne, Australia. Electronic address:
Patient blood management is the umbrella term for a suite of initiatives designed to optimise blood product usage, minimise transfusion needs, and ensure appropriate and evidence-based transfusion practices. In this review we summarise published economic evaluations of patient blood management to determine whether they represent good value for money. We identified 54 economic evaluations of patient blood management, the majority of which had positive cost-effectiveness conclusions.
View Article and Find Full Text PDFPostoperative anaemia: Hiding in plain sight.
Best Pract Res Clin Anaesthesiol
December 2023
Department of Anesthesiology & Perioperative Medicine, Mayo Clinic, Minnesota, 200 1st St SW, Rochester, MN, 55906, USA. Electronic address:
Postoperative anaemia is common among surgical patients. While often viewed as a benign condition, postoperative anaemia is neither inevitable nor harmless, being intricately linked with adverse outcomes. In this review, we summarize the prevalence, aetiology, and outcomes of postoperative anaemia and highlight prevention and management strategies.
View Article and Find Full Text PDFHow low can you go: Restrictive transfusion strategies in major surgery and physiological triggers.
Best Pract Res Clin Anaesthesiol
December 2023
Department of Anesthesia, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada; Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Physiology, University of Toronto, Toronto, Ontario, Canada; Li Ka Shing Knowledge Institute of St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada; Institute of Medical Sciences, University of Toronto, Toronto, Ontario, Canada. Electronic address:
Anemia and red blood cell transfusion are associated with adverse outcomes. Large randomized trials have demonstrated that restrictive transfusion strategies can safely reduce patient exposure to transfusion, forming a foundational pillar of patient blood management. The restrictive transfusion thresholds in these trials ranged from 7 to 8 g/dL for different populations and this variability is reflected in recent guideline recommendations for transfusion triggers.
View Article and Find Full Text PDFDiagnosing iron deficiency: Controversies and novel metrics.
Best Pract Res Clin Anaesthesiol
December 2023
Division of Clinical Haematology, Department of Medicine, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa.
Iron deficiency, a pervasive global health issue, necessitates precise and reliable diagnostic methods, especially in clinical and surgical settings. This review examines an array of established markers of iron status, encapsulating parameters such as serum iron, ferritin, transferrin, and transferrin saturation alongside novel biomarkers like soluble transferrin receptor, zinc protoporphyrin, and hepcidin. We further scrutinise the potential and limitations of routine and novel diagnostic tools and strategies in distinguishing different anaemic conditions, such as iron deficiency anaemia, iron-restricted erythropoiesis, and anaemia of inflammation.
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