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Lester W, Bent C, Alikhan R, Roberts L, Gordon-Walker T, Trenfield S, White R, Forde C, Arachchillage DJ. A British Society for Haematology guideline on the assessment and management of bleeding risk prior to invasive procedures. Br J Haematol 2024; 204:1697-1713. [PMID: 38517351 DOI: 10.1111/bjh.19360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 03/23/2024]
Affiliation(s)
- Will Lester
- Department of Haematology, University Hospitals Birmingham, Birmingham, UK
| | - Clare Bent
- Department of Radiology, University Hospitals Dorset, Dorset, UK
| | - Raza Alikhan
- Department of Haematology, University Hospitals of Cardiff, Cardiff, UK
| | - Lara Roberts
- Department of Haematology, King College London, London, UK
| | - Tim Gordon-Walker
- Scottish Liver Transplant Unit, Royal Infirmary of Edinburgh, Edinburgh, UK
| | - Sarah Trenfield
- Department of Anaesthesia and Critical Care, Royal Brompton Hospital, London, UK
| | - Richard White
- Department of Radiology, Cardiff and Vale UHB, Cardiff, UK
| | - Colm Forde
- Department of Radiology, University Hospitals Birmingham, Birmingham, UK
| | - Deepa J Arachchillage
- Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, UK
- Department of Haematology, Imperial College Healthcare NHS Trust, London, UK
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2
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Zhou X, Xu L, Chang X, Sun L, Guo Z. Blood protection of autologous platelet-rich plasma in long-time aortic root reconstruction: A retrospective study. Perfusion 2023:2676591231177900. [PMID: 37201917 DOI: 10.1177/02676591231177900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
OBJECTIVE This study aimed to investigate the blood protective effect of autologous platelet-rich plasma in aortic root reconstruction under longtime cardiopulmonary bypass. METHOD Patients who underwent aortic root reconstruction between August 2018 and August 2022 were included and divided into experimental and control groups according to whether autologous platelet-rich plasmapheresis was used or not. The experimental group included 112 patients (90 males aged 39.00 [28.75-49.00] years), and the control group included 112 patients (90 males aged 37.00 [27.00-46.25] years). The clinical data for example EuroSCORE II cardiovascular surgery risk score, blood routine and other indicators were collected from the two groups. RESULTS The transfusion volume of allogeneic red blood cells in the experimental group (52 cases without blood transfusion, 23 cases with 1-2 units, 15 cases with 3-4 units, and 22 cases with 5 units and above) was significantly lower than that in the control group (32 cases without transfusion, 34 cases with 1-2 units, 22 cases with 3-4 units, and 24 cases with 5 units or more) (Z = -2.06, p < 0.05). Resternotomy/thoracotomy occurred in 11 cases (9.8%) in the experimental group and 23 cases (20.5%) in the control group (RR = 2.37, 95% CI: 1.1-5.14, p < 0.05). The number of bleeding events in the experimental group (18 cases, 16.1%) was significantly less than that in the control group (33 cases, 29.5%) (RR = 2.18, 95% CI: 1.14-4.17, p < 0.05). CONCLUSIONS The application of autologous platelet-rich plasma in a long-time cardiopulmonary bypass aortic root reconstruction can reduce the amount of allogeneic blood transfusion and the occurrence of bleeding events, which is beneficial for blood protection.
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Affiliation(s)
- Xiaoyu Zhou
- Department of Cardiac Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School Of Medicine, Shanghai, China
| | - Lingfeng Xu
- Department of Cardiac Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School Of Medicine, Shanghai, China
| | - Xin Chang
- Department of Cardiac Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School Of Medicine, Shanghai, China
| | - Lin Sun
- Department of Cardiac Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School Of Medicine, Shanghai, China
| | - Zhen Guo
- Department of Cardiac Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School Of Medicine, Shanghai, China
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Xu FWX, Lim NA, Sim MA, Lean LL, Loh NHW, Ng KT, Chua VTY, Chew STH, Ti LK. Point-of-care platelet function testing for guided transfusion in neurosurgical management of intracranial hemorrhage: a systematic review. Eur J Med Res 2022; 27:191. [PMID: 36182926 PMCID: PMC9526957 DOI: 10.1186/s40001-022-00819-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/06/2022] [Indexed: 11/14/2022] Open
Abstract
Given the rising prevalence of antiplatelet therapy, rapid preoperative identification of patients with bleeding diathesis is necessary for the guidance of blood product administration. This is especially relevant in neurosurgery for intracranial hemorrhage (ICH), where indiscriminate transfusions may lead to further hemorrhagic or thromboembolic injury. Point-of-care (POC) testing of platelet function is a promising solution to this dilemma, as it has been proven effective in cardiac surgery. However, to date, POC platelet function testing in neurosurgery has not been extensively evaluated. This systematic review appraises the use of POC platelet function test (PFT) in emergency neurosurgery in terms of its impact on patient outcomes. A comprehensive search was conducted on four electronic databases (Pubmed, MEDLINE, Embase, and Cochrane) for relevant English language articles from their respective inceptions until 1 June 2022. We included all randomized controlled trials and cohort studies that met the following inclusion criteria: (i) involved adult patients undergoing neurosurgery for ICH; (ii) evaluated platelet function via POC PFT; (iii) reported a change in perioperative blood loss; and/or (iv) reported data on treatment-related adverse events and mortality. Assessment of study quality was conducted using the Newcastle Ottawa Quality Assessment Scale for Cohort Studies and Case–Control Studies, and the JBI Critical Appraisal Checklist for Case Series. The search yielded 2,835 studies, of which seven observational studies comprising 849 patients met the inclusion criteria for this review. Overall, there is evidence that the use of POC PFT to assess bleeding risk reduced bleeding events, thromboembolic adverse outcomes, and the length of hospitalization. However, there is currently insufficient evidence to suggest that using POC PFT improves blood product use, functional outcomes or mortality.
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Affiliation(s)
- Flora Wen Xin Xu
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Nicole-Ann Lim
- Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Ming Ann Sim
- Department of Anesthesia, Singapore General Hospital, Singapore, Singapore
| | - Lyn Li Lean
- Department of Anesthesia, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Ne-Hooi Will Loh
- Department of Anesthesia, National University Hospital, Singapore, Singapore
| | - Ka Ting Ng
- Department of Anesthesiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Vanessa Tze Yuh Chua
- Department of Anesthesia, Singapore General Hospital, Singapore, Singapore.,Department of Anesthesia, National University Hospital, Singapore, Singapore
| | | | - Lian Kah Ti
- Department of Anesthesia, National University Hospital, Singapore, Singapore. .,Department of Anesthesia, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
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4
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Perek B, Rzymski P, Komosa A, Olasińska-Wiśniewska A, Puślecki M, Jemielity M, Lesiak M, Aboul-Hassan SS, Stankowski T, Xia Z, Stelmark K, Siller-Matula J, Poniedziałek B. Mean platelet volume-to-platelet count ratio after elective cardiac surgical procedures is superior in reflecting platelets metabolic hyperactivity compared to other routine morphological platelet indices: A preliminary report. Cardiol J 2021; 30:VM/OJS/J/83339. [PMID: 34787889 PMCID: PMC10713209 DOI: 10.5603/cj.a2021.0150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 10/19/2021] [Accepted: 10/19/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Excessive metabolic excitation of platelets after cardiac procedures may be related to some adverse events but assessment of their metabolic activity is not routine. The purpose of this study was to evaluate which of the basic platelet morphological parameters best reflects their metabolic status. METHODS The blood samples of 22cardiac surgical patients (mean age of 62.3 ± 10.3 years) were taken before surgery (BS), and 1, 24 and 48 hours after the operation. Correlations between morphological platelet parameters (platelet count [PLT], mean platelet volume [MPV], platelet distribution width [PDW] and MPV/PLT) and their metabolic activity (total concentration of malondialdehyde [MDA] and MDA/PLT) were estimated. RESULTS Significant decline in PLT after operation (from 223 ± 44 × 10¹²/L to 166 ± 57 × 10¹²/L) was accompanied by marked increase in MPV (from 8.4 ± 0.9 fL to 9.1 ± 1.2 fL) and no change of PDW. Consequently, MPV/PLT index increased significantly after procedures from (median with IQR) 0.038 (0.030-0.043) to 0.053 (0.043-0.078). Simultaneously, a significant increase in total platelet MDA content and MDA/PLT was noted reaching peak levels soon after operation. The strongest correlation was observed between MPV/PLT and MDA/PLT (r = 0.56; p < 0.001), although the others were also found to be significant (MDA/PLT vs. MPV; r = 0.35; MDA/PLT vs. PDW; r = 0.34). CONCLUSIONS Among basic morphological parameters and indices, the MPV-to-PLT ratio reflects the best metabolic status of platelets in cardiac surgical patients.
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Affiliation(s)
- Bartłomiej Perek
- Department of Cardiac Surgery and Transplantology, Chair of Cardio-Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland.
| | - Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznan, Poland
- Integrated Science Association (ISA), Universal Scientific Education and Research Network (USERN)
| | - Anna Komosa
- 1st Department of Cardiology, Poznan University of Medical Sciences, Poland
| | - Anna Olasińska-Wiśniewska
- Department of Cardiac Surgery and Transplantology, Chair of Cardio-Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Mateusz Puślecki
- Department of Cardiac Surgery and Transplantology, Chair of Cardio-Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
- Department of Medical Rescue, Poznan University of Medical Sciences, Poland
| | - Marek Jemielity
- Department of Cardiac Surgery and Transplantology, Chair of Cardio-Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Maciej Lesiak
- 1st Department of Cardiology, Poznan University of Medical Sciences, Poland
| | - Sleiman Sebastian Aboul-Hassan
- Department of Cardiac Surgery, Medinet Heart Center Ltd, Nowa Sol, Poland
- Department of Cardiac Surgery and Interventional Cardiology, Faculty of Medicine and Medical Sciences, University of Zielona Gora, Zielona Gora, Poland
| | | | - Zhengyuan Xia
- Shenzhen Institute of Research and Innovation, The University of Hong Kong, China
| | - Konrad Stelmark
- Department of Cardiac Surgery and Transplantology, Chair of Cardio-Thoracic Surgery, Poznan University of Medical Sciences, Poznan, Poland
| | - Jolanta Siller-Matula
- Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Austria
| | - Barbara Poniedziałek
- Department of Environmental Medicine, Poznan University of Medical Sciences, Poznan, Poland
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5
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Mason GA, Rabbolini DJ. The Current Role of Platelet Function Testing in Clinical Practice. Semin Thromb Hemost 2021; 47:843-854. [PMID: 34130344 DOI: 10.1055/s-0041-1728786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Platelet dysfunction, whether hereditary or acquired, may increase an individual's risk of spontaneous, posttraumatic, or postoperative bleeding. Conversely, increased platelet reactivity on antiplatelet agents following vascular (in particular, coronary vascular) intervention may increase the risk of thrombosis and adverse vascular events. The aim of platelet function testing is to identify and characterize platelet dysfunction in these settings to inform bleeding/ thrombosis risk and guide perioperative prophylactic management strategies. A vast array of screening and diagnostic tests is available for this purpose. The successful clinical application of platelet function tests depends on the knowledge of their analytical strengths and limitations and the correct extrapolation of derived results to a particular clinical scenario. This review critically appraises traditional and contemporary platelet function testing focusing on their role in clinical practice.
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Affiliation(s)
- George A Mason
- Department of Haematology and Transfusion Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - David J Rabbolini
- Lismore Cancer and Haematology Unit, Lismore Base Hospital, Lismore, New South Wales, Australia.,The University of Sydney Northern Clinical School and the Rural Clinical School, Sydney, Australia
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Vlot EA, van Dongen EPA, Willemsen LM, Berg JMT, Hackeng CM, Loer SA, Noordzij PG. Association of Plasma Fibrinogen and Thromboelastography With Blood Loss in Complex Cardiac Surgery. Clin Appl Thromb Hemost 2021; 27:10760296211016541. [PMID: 34013768 PMCID: PMC8142233 DOI: 10.1177/10760296211016541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Postoperative coagulopathic bleeding is common in cardiac surgery and is
associated with increased morbidity and mortality. Ideally, real-time
information on in-vivo coagulation should be available. However, up to now it is
unclear which perioperative coagulation parameters can be used best to
accurately identify patients at increased risk of bleeding. The present study
analyzed the associations of perioperative fibrinogen concentrations and whole
blood viscoelastic tests with postoperative bleeding in 89 patients undergoing
combined cardiac surgery procedures. Postoperative bleeding was recorded until
24 hours after surgery. Regression analyses were performed to establish
associations between blood loss and coagulation parameters after cardiopulmonary
bypass including a prediction model with known confounding factors for bleeding.
Coagulation tests show large changes over the perioperative course with the
strongest coagulopathic deviations from baseline after cardiopulmonary bypass.
After adjustment for multiple confounders, viscoelastic clot strength instead of
fibrinogen concentration showed a similar performance for 24 hour blood loss and
a better performance for 6 hour blood loss. This makes intraoperative
viscoelastic testing a useful tool to strengthen early clinical decision-making
with the potential to reduce perioperative blood transfusions.
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Affiliation(s)
- Eline A Vlot
- Department of Anaesthesia, Intensive Care and Pain Medicine, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Eric P A van Dongen
- Department of Anaesthesia, Intensive Care and Pain Medicine, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Laura M Willemsen
- Department of Cardiology, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Jur M Ten Berg
- Department of Cardiology, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Christian M Hackeng
- Department of Clinical Chemistry, St Antonius Hospital, Nieuwegein, The Netherlands
| | - Stephan A Loer
- Department of Anaesthesia, Intensive Care and Pain Medicine, Amsterdam UMC, The Netherlands
| | - Peter G Noordzij
- Department of Anaesthesia, Intensive Care and Pain Medicine, St Antonius Hospital, Nieuwegein, The Netherlands
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Viscoelastic Hemostatic Assays and Platelet Function Testing in Patients with Atherosclerotic Vascular Diseases. Diagnostics (Basel) 2021; 11:diagnostics11010143. [PMID: 33478051 PMCID: PMC7835760 DOI: 10.3390/diagnostics11010143] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/14/2021] [Accepted: 01/18/2021] [Indexed: 11/16/2022] Open
Abstract
Platelets play crucial role in acute vascular atherosclerotic diseases, including myocardial infarction and stroke. Additionally, platelet aggregation is a key target of antiplatelet agents, forming the keystone of pharmacotherapy of various atherosclerotic cardiovascular diseases. Thromboelastography and thromboelastometry, representing currently available viscoelastic hemostatic assays (VHA), are designed as whole blood, real-time analyzers of clot formation and clot resolution. These assays could, in theory, overcome some limitations of currently available platelet function testing assays. This article reviews the current experience with the use of VHA for platelet function testing and for monitoring of the response to antiplatelet therapy.
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McCARTHY C, Spray D, Zilhani G, Fletcher N. Perioperative care in cardiac surgery. Minerva Anestesiol 2020; 87:591-603. [PMID: 33174405 DOI: 10.23736/s0375-9393.20.14690-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
As mortality is now low for many cardiac surgical procedures, there has been an increasing focus on patient centered outcomes such as recovery and quality of life. The Enhanced Recovery After Surgery (ERAS) cardiac society recently published the first set of guidelines for cardiac surgery which will be useful as a starting point to help translate this philosophy for the benefit of those undergoing cardiac surgery. At the same time there are many advances in other areas such as mechanical circulation, diagnostics and quality metrics. We intend here to present a balanced and evidenced based review of selected aspects of current practice, encompassing both UK and international perioperative care with a focus on recent advances. For the convenience of the reader we will adopt the conventional perioperative preoperative, intraoperative and postoperative phases of care. The focus of cardiac surgical practice needs to evolve from mortality to recovery. Those specialists who work in cardiac anaesthesia and critical care are well placed to contribute to these changes. Accompanying this work is the development of technologies to improve recognition of and intervention to prevent early organ dysfunction. Measuring, benchmarking and publishing quality outcomes from cardiac surgical centres is likely to improve services and benefit our patients.
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Affiliation(s)
| | | | | | - Nick Fletcher
- St Georges University Hospitals, London, UK.,Institute of Anesthesia and Critical Care, Cleveland Clinic London, London, UK
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9
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Platelet Dysfunction Diseases and Conditions: Clinical Implications and Considerations. Adv Ther 2020; 37:3707-3722. [PMID: 32729008 DOI: 10.1007/s12325-020-01453-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Platelet diseases and dysfunction are taught early in medical school to all future physicians. Understanding of the coagulation cascade and hemostatic mechanisms has allowed for targeted pharmacological therapies that have been significantly impactful in clinical practice. Platelets are an early participant in hemostasis physiologically and under pathophysiological states. METHODS A review of literature involving platelet disfunction. RESULTS Various presentations of platelet diseases and dysfunction challenge clinicians and require a firm understanding of normal platelet function, drugs that mediate or modulate platelet effectiveness, and nonpharmacologic etiologies of platelet diseases and dysfunction with corresponding best practice treatment approaches. CONCLUSION This review summarizes normal and abnormal states associated with platelets and treatment strategies.
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