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Kietaibl S, Ahmed A, Afshari A, Albaladejo P, Aldecoa C, Barauskas G, De Robertis E, Faraoni D, Filipescu DC, Fries D, Godier A, Haas T, Jacob M, Lancé MD, Llau JV, Meier J, Molnar Z, Mora L, Rahe-Meyer N, Samama CM, Scarlatescu E, Schlimp C, Wikkelsø AJ, Zacharowski K. Management of severe peri-operative bleeding: Guidelines from the European Society of Anaesthesiology and Intensive Care: Second update 2022. Eur J Anaesthesiol 2023; 40:226-304. [PMID: 36855941 DOI: 10.1097/eja.0000000000001803] [Citation(s) in RCA: 72] [Impact Index Per Article: 72.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
BACKGROUND Management of peri-operative bleeding is complex and involves multiple assessment tools and strategies to ensure optimal patient care with the goal of reducing morbidity and mortality. These updated guidelines from the European Society of Anaesthesiology and Intensive Care (ESAIC) aim to provide an evidence-based set of recommendations for healthcare professionals to help ensure improved clinical management. DESIGN A systematic literature search from 2015 to 2021 of several electronic databases was performed without language restrictions. Grading of Recommendations, Assessment, Development and Evaluation (GRADE) was used to assess the methodological quality of the included studies and to formulate recommendations. A Delphi methodology was used to prepare a clinical practice guideline. RESULTS These searches identified 137 999 articles. All articles were assessed, and the existing 2017 guidelines were revised to incorporate new evidence. Sixteen recommendations derived from the systematic literature search, and four clinical guidances retained from previous ESAIC guidelines were formulated. Using the Delphi process on 253 sentences of guidance, strong consensus (>90% agreement) was achieved in 97% and consensus (75 to 90% agreement) in 3%. DISCUSSION Peri-operative bleeding management encompasses the patient's journey from the pre-operative state through the postoperative period. Along this journey, many features of the patient's pre-operative coagulation status, underlying comorbidities, general health and the procedures that they are undergoing need to be taken into account. Due to the many important aspects in peri-operative nontrauma bleeding management, guidance as to how best approach and treat each individual patient are key. Understanding which therapeutic approaches are most valuable at each timepoint can only enhance patient care, ensuring the best outcomes by reducing blood loss and, therefore, overall morbidity and mortality. CONCLUSION All healthcare professionals involved in the management of patients at risk for surgical bleeding should be aware of the current therapeutic options and approaches that are available to them. These guidelines aim to provide specific guidance for bleeding management in a variety of clinical situations.
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Affiliation(s)
- Sibylle Kietaibl
- From the Department of Anaesthesiology & Intensive Care, Evangelical Hospital Vienna and Sigmund Freud Private University Vienna, Austria (SK), Department of Anaesthesia and Critical Care, University Hospitals of Leicester NHS Trust (AAh), Department of Cardiovascular Sciences, University of Leicester, UK (AAh), Department of Paediatric and Obstetric Anaesthesia, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark (AAf), Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark (AAf), Department of Anaesthesiology & Critical Care, CNRS/TIMC-IMAG UMR 5525/Themas, Grenoble-Alpes University Hospital, Grenoble, France (PA), Department of Anaesthesiology & Intensive Care, Hospital Universitario Rio Hortega, Valladolid, Spain (CA), Department of Surgery, Lithuanian University of Health Sciences, Kaunas, Lithuania (GB), Division of Anaesthesia, Analgesia, and Intensive Care - Department of Medicine and Surgery, University of Perugia, Italy (EDR), Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas, USA (DFa), University of Medicine and Pharmacy Carol Davila, Department of Anaesthesiology & Intensive Care, Emergency Institute for Cardiovascular Disease, Bucharest, Romania (DCF), Department of Anaesthesia and Critical Care Medicine, Medical University Innsbruck, Innsbruck, Austria (DFr), Department of Anaesthesiology & Critical Care, APHP, Université Paris Cité, Paris, France (AG), Department of Anesthesiology, University of Florida, College of Medicine, Gainesville, Florida, USA (TH), Department of Anaesthesiology, Intensive Care and Pain Medicine, St.-Elisabeth-Hospital Straubing, Straubing, Germany (MJ), Department of Anaesthesiology, Medical College East Africa, The Aga Khan University, Nairobi, Kenya (MDL), Department of Anaesthesiology & Post-Surgical Intensive Care, University Hospital Doctor Peset, Valencia, Spain (JVL), Department of Anaesthesiology & Intensive Care, Johannes Kepler University, Linz, Austria (JM), Department of Anesthesiology & Intensive Care, Semmelweis University, Budapest, Hungary (ZM), Department of Anaesthesiology & Post-Surgical Intensive Care, University Trauma Hospital Vall d'Hebron, Barcelona, Spain (LM), Department of Anaesthesiology & Intensive Care, Franziskus Hospital, Bielefeld, Germany (NRM), Department of Anaesthesia, Intensive Care and Perioperative Medicine, GHU AP-HP. Centre - Université Paris Cité - Cochin Hospital, Paris, France (CMS), Department of Anaesthesiology and Intensive Care, Fundeni Clinical Institute, Bucharest and University of Medicine and Pharmacy Carol Davila, Bucharest, Romania (ES), Department of Anaesthesiology and Intensive Care Medicine, AUVA Trauma Centre Linz and Ludwig Boltzmann-Institute for Traumatology, The Research Centre in Co-operation with AUVA, Vienna, Austria (CS), Department of Anaesthesia and Intensive Care Medicine, Zealand University Hospital, Roskilde, Denmark (AW) and Department of Anaesthesiology, Intensive Care Medicine & Pain Therapy, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany (KZ)
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Camelo RM, Chaves DG, Zuccherato LW, Rezende SM. Predictors of the outcome of immune tolerance induction in patients with haemophilia A and inhibitors: The Brazilian Immune Tolerance (BrazIT) Study protocol. PLoS One 2021; 16:e0256265. [PMID: 34437573 PMCID: PMC8389515 DOI: 10.1371/journal.pone.0256265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/03/2021] [Indexed: 01/19/2023] Open
Abstract
The development of inhibitors is the main complication of haemophilia A (HA) treatment. Immune tolerance induction (ITI) is the treatment of choice for inhibitor eradication. We describe the methodology of the Brazilian Immune Tolerance Induction (BrazIT) Study, aimed to identify clinical, genetic, and immune biomarkers associated with response to ITI and inhibitor recurrence. This cohort study includes people with HA (PwHA) and inhibitors (a) who require bypassing agents to treat and/or prevent bleeding, and (b) who are at any stage of ITI treatment. Patients are included in each haemophilia treatment centre (HTC). Factor VIII (FVIII) and inhibitor assessments are performed at local laboratories of each HTC. The ITI regimen followed the national protocol of the Brazilian Ministry of Health. All PwHA starts with low-dose ITI (50 IU/kg three times weekly); high-dose regimen (100 IU/kg daily) is used if there is lack of response to the low-dose ITI. Outcomes are classified as total or partial success, and failure. Standardized case report forms with clinical, laboratory, and treatment data are collected from medical files and interviews. Blood samples are collected for genetic and immune biomarkers at the time of inclusion in the study and at the end of ITI. The study is ongoing and, currently, 202/250 (80.8%) PwHA from 15 HTCs have been included. BrazIT Study is the largest cohort of PwHA and inhibitor under treatment with the same ITI regimen reported to date. This study is likely to contribute with novel predictors of ITI response.
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Affiliation(s)
| | | | - Luciana Werneck Zuccherato
- Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Center of Education and Research, Instituto Mario Penna, Belo Horizonte, Brazil
| | - Suely Meireles Rezende
- Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- * E-mail: ,
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Mahlangu JN. Progress in the Development of Anti-tissue Factor Pathway Inhibitors for Haemophilia Management. Front Med (Lausanne) 2021; 8:670526. [PMID: 34026796 PMCID: PMC8131856 DOI: 10.3389/fmed.2021.670526] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 03/24/2021] [Indexed: 12/28/2022] Open
Abstract
The unprecedented progress in addressing unmet needs in haemophilia care to date includes developing several novel therapies that rebalance haemostasis by restoring thrombin generation in patients with haemophilia A or B with and without inhibitors. These novel therapies are FVIII mimetics, antithrombin interference RNA therapy and several monoclonal antibodies directed against the tissue factor pathway inhibitor (anti-TFPI). In this review, we provide an update on the progress made in developing anti-TFPI therapie. Phase 1 data from the three anti-TFPI studies showed acceptable safety profiles, and currently, available phase 2 data are encouraging. While these data support these molecules' further development progression, there is uncertainty on several aspects of their evolution. Two of the three anti-TFPIs have shown drug-related thrombosis, with one study consequently terminated. None of the thrombotic events is predictable with current monitoring tools, and none correlate with known coagulation parameters. All three anti-TFPIs undergo target mediated drug disposition, which impacts the formulation of dosing regimen fo these therapies. They would require more frequent dosing than some of the extended half-life clotting factor products and antithrombin RNAi therapy. There is no assay to measure the TFPI as the physiological levels are very low, which makes monitoring the impact of the anti-TFPI a challenge. The anti-TFPIs have several advantages, including their bioavailability when administered subcutaneously, their stable pharmacokinetics and their ability to prevent bleeds in haemophilia A or B patients with and without inhibitors. Whether these advantages can be realized will depend on the outcome of the currently ongoing studies.
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Affiliation(s)
- Johnny N. Mahlangu
- Haemophilia Comprehensive Care Centre, Charlotte Maxeke Johannesburg Academic Hospital, University of the Witwatersrand and National Health Laboratory Service, Johannesburg, South Africa
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