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Russo I, Brookles CG, Barale C, Melchionda E, Mousavi AH, Biolè C, Chinaglia A, Bianco M. Current Strategies to Guide the Antiplatelet Therapy in Acute Coronary Syndromes. Int J Mol Sci 2024; 25:3981. [PMID: 38612792 PMCID: PMC11011739 DOI: 10.3390/ijms25073981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 03/28/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
The role of antiplatelet therapy in patients with acute coronary syndromes is a moving target with considerable novelty in the last few years. The pathophysiological basis of the treatment depends on platelet biology and physiology, and the interplay between these aspects and clinical practice must guide the physician in determining the best therapeutic options for patients with acute coronary syndromes. In the present narrative review, we discuss the latest novelties in the antiplatelet therapy of patients with acute coronary syndromes. We start with a description of platelet biology and the role of the main platelet signal pathways involved in platelet aggregation during an acute coronary syndrome. Then, we present the latest evidence on the evaluation of platelet function, focusing on the strengths and weaknesses of each platelet's function test. We continue our review by describing the role of aspirin and P2Y12 inhibitors in the treatment of acute coronary syndromes, critically appraising the available evidence from clinical trials, and providing current international guidelines and recommendations. Finally, we describe alternative therapeutic regimens to standard dual antiplatelet therapy, in particular for patients at high bleeding risk. The aim of our review is to give a comprehensive representation of current data on antiplatelet therapy in patients with acute coronary syndromes that could be useful both for clinicians and basic science researchers to be up-to-date on this complex topic.
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Affiliation(s)
- Isabella Russo
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Carola Griffith Brookles
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
- Department of Medical Sciences, University of Turin, I-10124 Turin, Italy
| | - Cristina Barale
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Elena Melchionda
- Department of Clinical and Biological Sciences, University of Turin, I-10043 Turin, Italy; (I.R.); (C.B.); (E.M.)
| | - Amir Hassan Mousavi
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
- Department of Medical Sciences, University of Turin, I-10124 Turin, Italy
| | - Carloalberto Biolè
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
| | - Alessandra Chinaglia
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
| | - Matteo Bianco
- Cardiology Division, San Luigi Gonzaga University Hospital, I-10043 Orbassano, Italy; (C.G.B.); (A.H.M.); (C.B.); (A.C.)
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Sato T, Edanaga M, Yamakage M, Harada R, Kawaharada N. Platelet Function Testing Using Sonoclot and TEG6s as a Platelet Transfusion Prediction Tool in Open Heart Surgery. Cureus 2023; 15:e49131. [PMID: 38130528 PMCID: PMC10733611 DOI: 10.7759/cureus.49131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/19/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction The point-of-care test (POCT) is useful for blood coagulation management during cardiovascular surgery. Although thromboelastography (TEG6s) has been reported to have targeted benefits for blood transfusion in cardiac surgery, Sonoclot analysis has not yet been fully validated. In this study, we evaluated the accuracy of Sonoclot, especially platelet function (PF) as a platelet concentrate (PC) transfusion parameter, compared to TEG6s in cardiovascular surgery. Methods This single-center, prospective, randomised trial was conducted at a university hospital. Forty-two adult patients who underwent elective cardiac surgery requiring cardiopulmonary bypass were included in this study between 2017 and 2021. The participants were randomly assigned to the Sonoclot (S) or Sonoclot and TEG6s (ST) groups. The amount of intraoperative PC was determined according to the POCT parameter values at the time of protamine administration. In addition, we investigated the correlation between PF parameters of POCT and platelet count at the end of surgery. Results There was no statistically significant difference in the intraoperative PC volume between the two groups. The Sonoclot PF parameter, PF, was moderately correlated with platelet count at the end of surgery (r=0.5449, p=0.009), and the TEG6s PF parameter showed a strong correlation with platelet count at the end of surgery (r=0.7744, p<0.001). Conclusion There was no statistically significant difference in platelet transfusion volume between the Sonoclot and TEG6s in this study. The correlation between the PF of the Sonoclot and platelet count was moderate. This study suggests that PF of Sonoclot may be a potentiating indicator of PF.
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Affiliation(s)
- Tomoe Sato
- Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo, JPN
| | - Mitsutaka Edanaga
- Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo, JPN
| | - Michiaki Yamakage
- Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo, JPN
| | - Ryo Harada
- Department of Cardiovascular Surgery, Shin-Sapporo Cardiology Hospital, Sapporo, JPN
| | - Nobuyoshi Kawaharada
- Department of Cardiovascular Surgery, Sapporo Medical University School of Medicine, Sapporo, JPN
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Wool GD, Carll T. Viscoelastic testing: Critical appraisal of new methodologies and current literature. Int J Lab Hematol 2023; 45:643-658. [PMID: 37559473 DOI: 10.1111/ijlh.14144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 07/25/2023] [Indexed: 08/11/2023]
Abstract
United States Food and Drug Administration (FDA)-approved viscoelastic testing (VET) methodologies have significantly changed in the last 10 years, with the availability of cartridge-based VET. Some of these cartridge-based methodologies use harmonic resonance-based clot detection. While VET has always allowed for the evaluation of real-time clot formation, cartridge-based VET provides increased ease of use as well as greater portability and robustness of results in out-of-laboratory environments. Here we review the use of VET in a variety of clinical contexts, including cardiac surgery, trauma, liver transplant, obstetrics, and hypercoagulable states such as COVID-19. As of now, high quality randomized trial evidence for new generation VET (TEG 6s, HemoSonics Quantra, ROTEM sigma) is limited. Nevertheless, the use of VET-guided transfusion algorithms appears to result in reduced blood usage without worsening of patient outcomes. Future work comparing the new generation VET instruments and continuing to validate clinically important cut-offs will help move the field of point-of-care coagulation monitoring forward and increase the quality of transfusion management in bleeding patients.
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Affiliation(s)
- Geoffrey D Wool
- Department of Pathology, University of Chicago, Chicago, Illinois, USA
| | - Timothy Carll
- Department of Pathology, University of Chicago, Chicago, Illinois, USA
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Wojack CA, Marrocco AM, Enstrom JC, Casida J. Thromboelastography: A Novel Approach to Hemostasis in Cardiac Surgery. AACN Adv Crit Care 2023; 34:139-144. [PMID: 37289626 DOI: 10.4037/aacnacc2023957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Affiliation(s)
- Cristina A Wojack
- Cristina A. Wojack is Nurse Practitioner, Cardiac Surgery Intensive Care Unit, Henry Ford Health, 2799 West Grand Boulevard, Detroit, MI 48202
| | - Anna M Marrocco
- Anna M. Marrocco is Nurse Practitioner, Cardiac Surgery Intensive Care Unit, Henry Ford Health, and PhD student, Wayne State University, Detroit, Michigan
| | - Jeanne Caitlyn Enstrom
- Jeanne Caitlyn Enstrom is Instructor of Nursing, Vanderbilt University School of Nursing, and Nurse Practitioner, Cardiac Intensive Care Unit, Nashville, Tennessee
| | - Jesus Casida
- Jesus Casida is Endowed Professor and Executive Director, Eleanor Mann School of Nursing, University of Arkansas, Fayetteville, Arkansas
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Moresco E, Dejaco H, Humbert V, Thoma M. The use of CytoSorb® in a prasugrel-loaded patient undergoing emergent coronary artery bypass graft surgery. Clin Case Rep 2023; 11:e6990. [PMID: 36950671 PMCID: PMC10025252 DOI: 10.1002/ccr3.6990] [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: 09/07/2022] [Revised: 01/23/2023] [Accepted: 01/27/2023] [Indexed: 03/24/2023] Open
Abstract
Patients with acute coronary syndrome (ACS), failed percutaneous coronary intervention (PCI) and with an indication for emergent coronary artery bypass graft surgery (CABG) are at an increased risk of perioperative bleeding. Integration of the CytoSorb® (CS) adsorber into the cardiopulmonary bypass appears to bind prasugrel and minimize the risk of perioperative bleeding.
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Affiliation(s)
- Erich Moresco
- Department of Anesthesiology and Intensive Care MedicineMedical University of InnsbruckInnsbruckAustria
| | - Hannes Dejaco
- Department of Anesthesiology and Intensive Care MedicineMedical University of InnsbruckInnsbruckAustria
| | | | - Matthias Thoma
- Department of Anesthesiology and Intensive Care MedicineMedical University of InnsbruckInnsbruckAustria
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Baryshnikova E, Di Dedda U, Ranucci M. Are Viscoelastic Tests Clinically Useful to Identify Platelet-Dependent Bleeding in High-Risk Cardiac Surgery Patients? Anesth Analg 2022; 135:1198-1206. [PMID: 36227767 DOI: 10.1213/ane.0000000000006231] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
BACKGROUND Postoperative use of platelet function testing to rule out microvascular bleeding due to platelet dysfunction after cardiac surgery still lacks strong reference data and reliable cutoff values, yielding a clinically adequate sensitivity and specificity. The present study aims to investigate the performance of two different point-of-care viscoelastic devices and platelet aggregometry in expressing surgery-dependent platelet dysfunction and anticipating postoperative major bleeding in a cohort of high-risk patients. METHODS Prospective cohort study of 50 adult patients who were on antiplatelet drugs discontinued for no more than 7 days (clopidogrel and prasugrel) or 5 days (ticagrelor) undergoing cardiac surgery with cardiopulmonary bypass (CPB). Coagulation and platelet function testing, including QUANTRA, ROTEM, and Multiplate, were assessed preoperatively and postoperatively. Chest drain blood loss was measured in the first 12 postoperative hours. Perioperative bleeding was assessed using a modified version of the Universal Definition of Perioperative Bleeding (UDPB) in cardiac surgery, modified to not consider anemia-correcting packed red cells transfusions in the absence of bleeding >600 mL/12 h. Major bleeding was identified as UDPB class II or higher. RESULTS Multiplate adenosine diphosphate (ADPtest) was significantly ( P = .001) reduced after CPB, whereas TRAPtest was not. The platelet component (PC) as extrapolated by ROTEM data (EXTEM MCF-FIBTEM MCF) was unchanged after CPB, while the A10 PC (PC at 10 minutes) was significantly ( P = .001) reduced. The QUANTRA platelet contribution to clot stiffness (PCS) was significantly ( P = .001) reduced, as well. At the ROC analysis for the predictive ability of the post-CPB platelet function testing, the best discrimination was obtained by the QUANTRA PCS, with an area under the curve (AUC) (95% confidence interval [CI]) of 0.80 (0.66-0.91), P = .001, followed by the ROTEM A10 PC with AUC (95% CI) of 0.75 (0.51-0.99), P = .004, and PC with AUC (95% CI) of 0.74 (0.50-0.99), P = .009. The Multiplate ADPtest had an AUC (95% CI) of 0.67 (0.42-0.91), and the TRAPtest had an AUC (95% CI) of 0.62 (0.37-0.86). The cutoff values identified were 13 hPa for the QUANTRA PCS, 40 mm for the ROTEM A10, and 48.5 mm for the ROTEM PC, with negative predictive values of 84%, 81%, and 86%, respectively, and positive predictive values of 55%, 53%, and 69%, respectively. CONCLUSIONS QUANTRA PCS, ROTEM A10 PC, and Multiplate ADPtest showed a significant decrease after CPB, whereas ROTEM PC and Multiplate TRAPtest did not. Major bleeding was predicted with a moderate to good discrimination by the post-CPB viscoelastic tests (PCS, PC, and A10 PC).
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Affiliation(s)
- Ekaterina Baryshnikova
- From the Department of Cardiothoracic and Vascular Anesthesia and Intensive Care, Istituto di Ricovero e Cura a Carattere Scientifico Policlinico San Donato, Milan, Italy
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Racine-Brzostek SE, Asmis LM. Assessment of platelet function utilizing viscoelastic testing. Transfusion 2021; 60 Suppl 6:S10-S20. [PMID: 33089932 DOI: 10.1111/trf.16081] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/29/2020] [Accepted: 08/29/2020] [Indexed: 12/19/2022]
Affiliation(s)
- Sabrina E Racine-Brzostek
- Department of Pathology and Laboratory Medicine, New York-Presbyterian Hospital, Weill Cornell Medicine, New York, New York, USA
| | - Lars M Asmis
- Centre for Perioperative Thrombosis and Haemostasis, Zurich, Switzerland
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Welker C, Huang J, Ramakrishna H. Analysis of the 2020 EACTS/ELSO/STS/AATS Expert Guidelines on the Management of Adult Postcardiotomy Extracorporeal Life Support. J Cardiothorac Vasc Anesth 2021; 36:2207-2219. [PMID: 34332842 DOI: 10.1053/j.jvca.2021.06.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 02/07/2023]
Abstract
Extracorporeal life support (ECLS), also known as extracorporeal membrane oxygenation (ECMO), increasingly is used in postcardiotomy (PC) shock to facilitate a bridge to sustained recovery, long-term mechanical support, or heart transplantation. Given increasing prevalence and complexity of PC-ECLS, a joint expert consensus guideline was created in 2020 for management of adult PC-ECLS by the European Association for Cardio-Thoracic Surgery (EACTS), the Extracorporeal Life Support Organization (ELSO), the Society of Thoracic Surgeons (STS), and the American Association of Thoracic Surgery (AATS). The aim of this analysis was to comprehensively review the expert consensus guidelines, with particular emphasis on PC-ECLS candidacy, timing, cannula configuration, left ventricular distention, anticoagulation, ECLS weaning, and intensive care unit complications. This analysis finds the expert consensus guideline to be timely, pertinent, and clinically valuable, although there remains the need for larger clinical trials to codify best practices.
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Affiliation(s)
- Carson Welker
- Division of Critical Care Medicine, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN
| | - Jeffrey Huang
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN
| | - Harish Ramakrishna
- Division of Cardiovascular and Thoracic Anesthesiology, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN.
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Zhou CZ, Feng DJ, Fang Y, Zha FY, Wang EH, Li YZ, Wei MX, Wen JM. Research on clinical characteristics and prognostic analysis of heparin-induced thrombocytopenia after surgery for acute type a aortic dissection. J Cardiothorac Surg 2021; 16:96. [PMID: 33879210 PMCID: PMC8056691 DOI: 10.1186/s13019-021-01482-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 04/06/2021] [Indexed: 12/02/2022] Open
Abstract
Purpose The present study aimed to explore the clinical characteristics of heparin-induced thrombocytopenia (HIT) after surgery for acute type A aortic dissection and perform a relevant prognostic analysis. Methods After continuous observation and analysis of 204 patients who underwent acute type A aortic dissection, we found that blood platelets decreased significantly after surgery and that these patients can be suspected to suffer HIT based on relevant 4Ts scores. For these suspected HIT patients, a latex particle-enhanced immunoturbidimetric assay was conducted to detect heparin-induced antibodies. Perioperative clinical data of patients in HIT and non-HIT groups were recorded as were blood platelet counts, HIT antibody test results, 4Ts scores, thromboembolic complications, clinical prognosis and outcomes. Results In the present study, 38 suspected HIT patients, 16 HIT patients and 188 non-HIT patients were selected in the clinical setting. Among them, HIT patients were found to have prolonged cardiopulmonary bypass time (223 min on average vs. 164 min) and delayed aortic cross-clamp time (128 min on average vs. 107 min), and these differences between HIT patients and non-HIT patients were significant (P < 0.05). Additionally, the HIT group required longer operation time and higher dose of heparin, but showing no statistical differences (P > 0.05). The transfusions of blood platelets in the HIT group and non-HIT group were 18.7 ± 5.0u and 15.6 ± 7.34 u, respectively. In the HIT group, the mechanic ventilation time and the length of ICU stay were longer comparing the non-HIT group(P < 0.05), though no significant differences in total length of stay or In-hospital mortality were observed (P > 0.05). The incidence of continuous renal replacement therapy in HIT group was higher than the non-HIT group (P < 0.05). Additionally,there were no significant differences in 24-h postoperative drainage or reoperation for bleeding in both group(P > 0.05). However, the HIT antibody titer in the HIT group was significantly higher than that in the Suspected HIT group (2.7 ± 0.8 U/mL vs. 0.3 ± 0.2 U/mL) (P < 0.05). Among patients diagnosed with HIT, the incidence of thromboembolism reached 31.5%.For example, two HIT patients newly developed thromboembolism in both lower extremities,and three patients experienced cerebral infarction. Conclusions After surgery for acute type A aortic dissection, HIT patients developed postoperative complications, the duration of ventilatory support and length of ICU stay were extended, and the incidence of thromboembolism increased. HIT antibody detection and risk classification should be implemented for high-risk patients showing early clinical characteristics.
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Affiliation(s)
- Chu-Zhi Zhou
- Graduate School of Tianjin Medical University, No. 22 Qixiangtai Road, Tianjin, 300070, China.,Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China
| | - Dong-Jie Feng
- Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China
| | - Yuan Fang
- Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China
| | - Feng-Yan Zha
- Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China
| | - Er-Hui Wang
- Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China
| | - Yan-Zhen Li
- Graduate School of Tianjin Medical University, No. 22 Qixiangtai Road, Tianjin, 300070, China
| | - Min-Xin Wei
- Graduate School of Tianjin Medical University, No. 22 Qixiangtai Road, Tianjin, 300070, China.
| | - Jun-Min Wen
- Department of Critical Care Medicine ICU, Fu Wai Hospital, Chinese Academy of Medical Sciences, Shenzhen, 518057, Guangdong, China.
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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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Hranjec T, Estreicher M, Rogers B, Kohler L, Solomon R, Hennessy S, Cibulas M, Hurst D, Hegazy M, Lee J, Perez D, Doctor N, Kiffin C, Pigneri D, LaGuardia H, Shaw K, Arenas J, Rosenthal A, Katz RS, Sawyer RG, Pepe PE. Integral Use of Thromboelastography With Platelet Mapping to Guide Appropriate Treatment, Avoid Complications, and Improve Survival of Patients With Coronavirus Disease 2019-Related Coagulopathy. Crit Care Explor 2020; 2:e0287. [PMID: 33381763 PMCID: PMC7769351 DOI: 10.1097/cce.0000000000000287] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVES Coagulopathy of coronavirus disease 2019 is largely described as hypercoagulability, yet both thrombotic and hemorrhagic complications occur. Although therapeutic and prophylactic anticoagulant interventions have been recommended, empiric use of antifactor medications (heparin/enoxaparin) may result in hemorrhagic complications, including death. Furthermore, traditional (antifactor) anticoagulation does not address the impact of overactive platelets in coronavirus disease 2019. The primary aim was to evaluate if algorithm-guided thromboelastography with platelet mapping could better characterize an individual's coronavirus disease 2019-relatedcoagulopathic state and, secondarily, improve outcomes. DESIGN SETTING AND PATIENTS Coronavirus disease 2019 patients (n = 100), receiving thromboelastography with platelet mapping assay upon admission to an 800-bed tertiary-care hospital, were followed prospectively by a hospital-based thromboelastography team. Treating clinicians were provided with the option of using a pre-established algorithm for anticoagulation, including follow-up thromboelastography with platelet mapping assays. Two groups evolved: 1) patients managed by thromboelastography with platelet mapping algorithm (algorithm-guided-thromboelastography); 2) those treated without thromboelastography with platelet mapping protocols (non-algorithm-guided). Outcomes included thrombotic/hemorrhagic complications, pulmonary failure, need for mechanical ventilation, acute kidney injury, dialysis requirement, and nonsurvival. INTERVENTIONS Standard-of-care therapy with or without algorithm-guided-thromboelastography support. MEASUREMENTS AND MAIN RESULTS Although d-dimer, C-reactive protein, and ferritin were elevated significantly in critically ill (nonsurvivors, acute kidney injury, pulmonary failure), they did not distinguish between coagulopathic and noncoagulopathic patients. Platelet hyperactivity (maximum amplitude-arachidonic acid/adenosine diphosphate > 50 min), with or without thrombocytosis, was associated with thrombotic/ischemic complications, whereas severe thrombocytopenia (platelet count < 100,000/μL) was uniformly fatal. Hemorrhagic complications were observed with decreased factor activity (reaction time > 8 min). Non-algorithm-guided patients had increased risk for subsequent mechanical ventilation (relative risk = 10.9; p < 0.0001), acute kidney injury (relative risk = 2.3; p = 0.0017), dialysis (relative risk = 7.8; p < 0.0001), and death (relative risk = 7.7; p < 0.0001), with 17 of 28 non-algorithm-guided patients (60.7%) dying versus four algorithm-guided-thromboelastography patients (5.6%) (p < 0.0001). Thromboelastography with platelet mapping-guided antiplatelet treatment decreased mortality 82% (p = 0.0002), whereas non-algorithm-guided (compared with algorithm-guided-thromboelastography) use of antifactor therapy (heparin/enoxaparin) resulted in 10.3-fold increased mortality risk (p = 0.0001). CONCLUSIONS Thromboelastography with platelet mapping better characterizes the spectrum of coronavirus disease 2019 coagulation-related abnormalities and may guide more tailored, patient-specific therapies in those infected with coronavirus disease 2019.
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Affiliation(s)
- Tjasa Hranjec
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | | | | | - Lisa Kohler
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | - Rachele Solomon
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
| | - Sara Hennessy
- Department of Surgery, Division of Trauma/Acute Care/Critical Care Surgery, Bariatric Surgery, University of Texas Southwestern Medical Center, Dallas, TX
| | | | - Deborah Hurst
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | - Mohamed Hegazy
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
| | - Jieun Lee
- Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL
| | - Donny Perez
- Emergency Department, Memorial Regional Hospital, Hollywood, FL
| | | | - Chauniqua Kiffin
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | - Danielle Pigneri
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | - Heather LaGuardia
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
| | - Kathryn Shaw
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
| | - Juan Arenas
- Division of Transplantation, Memorial Regional Hospital, Hollywood, FL
| | - Andrew Rosenthal
- Division of Trauma/Acute Care/Critical Care Surgery, Memorial Regional Hospital, Hollywood, FL
| | - Randy S Katz
- Emergency Department, Memorial Regional Hospital, Hollywood, FL
| | - Robert G Sawyer
- Western Michigan University Homer Stryker MD School of Medicine, Kalamazoo, MI
| | - Paul E Pepe
- Metropolitan Emergency Medical Services Medical Directors Alliance, Dallas, TX
- Department of Management, Policy and Community Health, University of Texas Health Sciences Center, School of Public Health, Houston, TX
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Bolliger D, Lancé MD, Siegemund M. Point-of-Care Platelet Function Monitoring: Implications for Patients With Platelet Inhibitors in Cardiac Surgery. J Cardiothorac Vasc Anesth 2020; 35:1049-1059. [PMID: 32807601 DOI: 10.1053/j.jvca.2020.07.050] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/13/2020] [Accepted: 07/15/2020] [Indexed: 12/13/2022]
Abstract
Although most physicians are comfortable managing the limited anticoagulant effect of aspirin, the recent administration of potent P2Y12 receptor inhibitors in patients undergoing cardiac surgery remains a dilemma. Guidelines recommend discontinuation of potent P2Y12 inhibitors 5- to- 7 days before surgery to reduce the risk of postoperative hemorrhage. Such a strategy might not be feasible before urgent surgery, due to ongoing myocardial ischemia or in patients at high risk for thromboembolic events. Recently, different point-of-care devices to assess functional platelet quality have become available for clinical use. The aim of this narrative review was to evaluate the implications and potential benefits of platelet function monitoring in guiding perioperative management and therapeutic options in patients treated with antiplatelets, including aspirin or P2Y12 receptor inhibitors, undergoing cardiac surgery. No objective superiority of one point-of-care device over another was found in a large meta-analysis. Their accuracy and reliability are generally limited in the perioperative period. In particular, preoperative platelet function testing has been used to assess platelet contribution to bleeding after cardiac surgery. However, predictive values for postoperative hemorrhage and transfusion requirements are low, and there is a significant variability between and within these tests. Further, platelet function monitoring has been used to optimize the preoperative waiting period after cessation of dual antiplatelet therapy before urgent cardiac surgery. Furthermore, studies assessing their value in therapeutic decisions in bleeding patients after cardiac surgery are scarce. A general and liberal use of perioperative platelet function testing is not yet recommended.
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Affiliation(s)
- Daniel Bolliger
- Department for Anesthesia, Prehospital Emergency Medicine and Pain Therapy, University Hospital Basel, Basel, Switzerland.
| | - Marcus D Lancé
- Department of Anesthesiology, Intensive Care Unit and Perioperative Medicine, Weill-Cornell Medicine-Qatar, Hamad Medical Corporation, Doha, Qatar
| | - Martin Siegemund
- Intensive Care Medicine, University Hospital Basel, Basel, Switzerland
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Wang L, Valencia O, Phillips S, Sharma V. Implementation of Perioperative Point-of-Care Platelet Function Analyses Reduces Transfusion Requirements in Cardiac Surgery: A Retrospective Cohort Study. Thorac Cardiovasc Surg 2020; 69:710-718. [DOI: 10.1055/s-0040-1710582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Abstract
Background Platelet dysfunction is a common cause of bleeding, perioperative blood transfusion, and surgical re-exploration in cardiac surgical patients. We evaluated the effect of incorporating a platelet function analyzer utilizing impedance aggregometry (Multiplate, Roche, Munich, Germany) into our local transfusion algorithm on the rate of platelet transfusion and postoperative blood loss in patients undergoing coronary artery bypass grafting (CABG) surgery.
Methods Data were collected on patients undergoing CABG surgery from January 2015 to April 2017. Patients who underwent surgery before and after introduction of this algorithm were classified into prealgorithm and postalgorithm groups, respectively. The primary outcome was the rate of platelet transfusion before and after implementation of the Multiplate-based transfusion algorithm. Secondary outcomes included transfusion rate of packed red blood cells, postoperative blood loss at 12 and 24 hours, length of stay in the intensive care unit, and the hospital and mortality.
Results A total of 726 patients were included in this analysis with 360 and 366 patients in the pre- and postalgorithm groups, respectively. Transfusion rates of platelets (p = 0.01) and packed red blood cells (p = 0.0004) were significantly lower following introduction of the algorithm in patients (n = 257) who had insufficient time to withhold antiplatelet agents. Receiver operating characteristic curves defined optimal cutoff points of arachidonic acid and adenosine diphosphate assays on the Multiplate to predict future platelet transfusion were 23AU and 43AU, respectively.
Conclusions The introduction of a Multiplate-based platelet transfusion algorithm showed a statistically significant reduction in the administration of platelets to patients undergoing urgent CABG surgery.
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Affiliation(s)
- Lihui Wang
- Department of Clinical Perfusion, St George's Hospital, London, United Kingdom
| | - Oswaldo Valencia
- Department of Cardiac Surgery, St George's Hospital, London, United Kingdom
| | - Simon Phillips
- Department of Clinical Perfusion, St George's Hospital, London, United Kingdom
| | - Vivek Sharma
- Department of Anaesthesia, St George's Hospital, London, United Kingdom
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Thromboelastography and rotational thromboelastometry for the surgical intensivist: A narrative review. J Trauma Acute Care Surg 2020; 86:710-721. [PMID: 30633093 DOI: 10.1097/ta.0000000000002206] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND Viscoelastic tests (VETs), specifically thromboelastography (TEG) and rotational thromboelastometry (ROTEM), are gaining popularity in the management of critically ill surgical patients with hemorrhage or thrombosis due to their comprehensive characterization of the coagulation process and point-of-care availability in comparison to conventional coagulation tests (CCTs). We review current evidence for VET use in patients in the surgical intensive care unit (SICU). METHODS We searched PUBMED, EMBASE and the Cochrane Library through May 30, 2018 for articles that evaluated the use of VETs in patient populations and clinical scenarios germane to the surgical intensivist. Individual articles were critically evaluated for relevance and appropriate methodology using a structured technique. Information on patient characteristics, timing and methods of CCTs/VETs, and outcomes was collected and summarized in narrative form. RESULTS Of 2,589 identified articles, 36 were included. Five (14%) were interventional studies and 31 (86%) were observational. Twenty-five (69%) evaluated TEG, 11 (31%) ROTEM and 18 (50%) CCTs. Investigated outcomes included quantitative blood loss (13 (36%)), blood product transfusion (9 (25%)), thromboembolic events (9 (25%)) and mortality (6 (17%)). We identified 12 clinical scenarios with sufficient available evidence, much of which was of limited quantity and poor methodological quality. Nonetheless, research supports the use of VETs for guiding early blood product administration in severe traumatic hemorrhage and for the prediction of abstract excess bleeding following routine cardiac surgery. In contrast, evidence suggests VET-based heparin dosing strategies for venous thromboembolism prophylaxis are not superior to standard dosing in SICU patients. CONCLUSION While VETs have the potential to impact the care of critically ill surgical patients in many ways, current evidence for their use is limited, mainly because of poor methodological quality of most available studies. Further high-quality research, including several ongoing randomized controlled trials, is needed to elucidate the role of TEG/ROTEM in the SICU population. LEVEL OF EVIDENCE Systematic review, level IV.
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15
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Kjellberg G, Holm M, Lindvall G, Gryfelt G, Linden J, Wikman A. Platelet function analysed by ROTEM platelet in cardiac surgery after cardiopulmonary bypass and platelet transfusion. Transfus Med 2020; 30:369-376. [DOI: 10.1111/tme.12678] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 03/29/2019] [Accepted: 02/25/2020] [Indexed: 01/10/2023]
Affiliation(s)
- Gunilla Kjellberg
- Department of Thoracic Surgery and Anesthesia Academic Hospital Uppsala Sweden
- Department of Surgical Sciences, Anesthesiology and Intensive Care Uppsala University Uppsala Sweden
| | - Manne Holm
- Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
- Division of Perioperative Medicine and Intensive Care Karolinska University Hospital Huddinge Sweden
| | - Gabriella Lindvall
- Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
- Division of Perioperative Medicine and Intensive Care, Section Cardiothoracic Surgery and Anesthesiology Karolinska University Hospital Stockholm Sweden
| | - Gunilla Gryfelt
- Division of Clinical Immunology and Transfusion Medicine Karolinska University Hospital Sweden
| | - Jan Linden
- Department of Molecular Medicine and Surgery Karolinska Institutet Stockholm Sweden
- Division of Perioperative Medicine and Intensive Care, Section Cardiothoracic Surgery and Anesthesiology Karolinska University Hospital Stockholm Sweden
| | - Agneta Wikman
- Division of Clinical Immunology and Transfusion Medicine Karolinska University Hospital Sweden
- Department of Laboratory Medicine Karolinska Institutet Stockholm Sweden
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16
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Reduction of Preoperative Waiting Time before Urgent Surgery for Patients on P2Y 12 Inhibitors Using Multiple Electrode Aggregometry: A Retrospective Study. J Clin Med 2020; 9:jcm9020424. [PMID: 32033153 PMCID: PMC7074528 DOI: 10.3390/jcm9020424] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 12/18/2022] Open
Abstract
P2Y12 inhibitor discontinuation is essential before most surgical interventions to limit bleeding complications. Based on pharmacodynamic data, fixed discontinuation durations have been recommended. However, as platelet function recovery is highly variable among patients, a more individualized approach based on platelet function testing (PFT) has been proposed. The aim of this retrospective single-centre study was to determine whether PFT using whole blood adenosine diphosphate–multiple electrode aggregometry (ADP–MEA) was associated with a safe reduction of preoperative waiting time. Preoperative ADP–MEA was performed for 29 patients on P2Y12 inhibitors. Among those, 17 patients underwent a coronary artery bypass graft. Twenty one were operated with an ADP–MEA ≥ 19 U (quantification of the area under the aggregation curve), and the waiting time was shorter by 1.6 days (median 1.8 days, IQR 0.5–2.9), by comparison with the current recommendations (five days for clopidogrel and ticagrelor, seven days for prasugrel). Platelet function recovery was indeed highly variable among individuals. With the 19 U threshold, high residual platelet inhibition was associated with perioperative platelet transfusion. These results suggest that preoperative PFT with ADP–MEA could help reduce waiting time before urgent surgery for patients on P2Y12 inhibitors.
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Griffin BR, Bronsert M, Reece TB, Pal JD, Cleveland JC, Fullerton DA, Gist KM, Jovanovich A, Jalal D, Faubel S, Aftab M. Thrombocytopenia After Cardiopulmonary Bypass Is Associated With Increased Morbidity and Mortality. Ann Thorac Surg 2019; 110:50-57. [PMID: 31816284 DOI: 10.1016/j.athoracsur.2019.10.039] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 08/10/2019] [Accepted: 10/02/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND Thrombocytopenia is a risk factor for morbidity and mortality in critically ill patients, and is common after cardiopulmonary bypass (CPB). In this study, we evaluate whether thrombocytopenia after CPB is an independent risk factor for postoperative morbidity and mortality. METHODS We retrospectively evaluated 1364 patients requiring CPB at the University of Colorado Hospital between January 2011 and May 2016. Platelet nadir, absolute change in platelets, and percent change in platelets were modeled as continuous variables. Patients with postoperative thrombocytopenia (defined a nadir <75 × 103/μL within 72 hours) were also compared with patients without thrombocytopenia in a propensity-matched model. The primary outcome was in-hospital mortality, and secondary outcomes included postoperative infection, postoperative acute kidney injury (AKI), postoperative stroke, and prolonged intensive care unit (ICU) and hospital lengths of stay (LOS). RESULTS Postoperative thrombocytopenia occurred in 356 (26.0%) patients. In multivariable analysis, platelet nadir was significantly inversely associated with mortality (odds ratio [OR], 0.955; 95% confidence interval [CI], 0.934-0.975; P < .001), postoperative infection (OR, 0.992; 95% CI, 0.986-0.999; P = .03), AKI (all stage) (OR, 0.993; 95% CI, 0.988-0.998; P = .01), AKI (stage 3) (OR, 0.966; 95% CI, 0.951-0.982; P < .001), postoperative stroke (OR, 0.974; 95% CI, 0.956-0.992; P = .006), prolonged ICU stay (OR, 0.986; 95% CI, 0.981-0.991; P < .001), and hospital LOS (OR, 0.998; 95% CI, 0.997-0.999; P = .001). Percent change in platelets from baseline was also significantly associated with all primary and secondary outcomes. CONCLUSIONS Postoperative thrombocytopenia is independently associated with postoperative mortality, AKI, infection, stroke, and prolonged ICU and hospital LOS. Serial platelet monitoring may help identify patients at higher risk of postoperative complications. Further studies investigating strategies to reduce postoperative thrombocytopenia, including reducing CPB time, are needed.
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Affiliation(s)
- Benjamin R Griffin
- Division of Nephrology, Department of Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Michael Bronsert
- Adult and Child Consortium for Health Outcomes Research and Delivery Science and Surgical Outcomes and Applied Research, University of Colorado, Aurora, Colorado
| | - T Brett Reece
- Division of Cardiothoracic Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Jay D Pal
- Division of Cardiothoracic Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Joseph C Cleveland
- Division of Cardiothoracic Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - David A Fullerton
- Division of Cardiothoracic Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Katja M Gist
- Department of Pediatrics, Children's Hospital Colorado, The Heart Institute, Aurora, Colorado
| | - Anna Jovanovich
- Division of Nephrology, University of Colorado Anschutz Medical Campus, Aurora, Colorado; Department of Medicine, Rocky Mountain Regional VA Medical Center, Denver, Colorado
| | - Diana Jalal
- Division of Nephrology, Department of Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Sarah Faubel
- Division of Nephrology, University of Colorado Anschutz Medical Campus, Aurora, Colorado; Department of Medicine, Rocky Mountain Regional VA Medical Center, Denver, Colorado
| | - Muhammad Aftab
- Division of Cardiothoracic Surgery, University of Colorado Anschutz Medical Campus, Aurora, Colorado; Department of Medicine, Rocky Mountain Regional VA Medical Center, Denver, Colorado.
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Platelet Function Disturbance During Veno-Venous ECMO in ARDS Patients Assessed by Multiple Electrode Aggregometry-A Prospective, Observational Cohort Study. J Clin Med 2019; 8:jcm8071056. [PMID: 31330966 PMCID: PMC6678447 DOI: 10.3390/jcm8071056] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/15/2019] [Accepted: 07/16/2019] [Indexed: 12/21/2022] Open
Abstract
Extracorporeal (veno-venous) membrane oxygenation (vvECMO) has been shown to have negative effects on platelet number and function. This study aimed to gain more information about the impact of vvECMO on platelet function assessed by multiple electrode aggregometry (MEA). Twenty patients with the indication for vvECMO were included. Platelet function was analyzed using MEA (Multiplate®) before (T-1), 6 h (T0), one (T1), two (T2), three (T3), and seven (T4) days after the beginning of vvECMO. Median aggregational measurements were already below the normal reference range before vvECMO initiation. Platelet aggregation was significantly reduced 6 h after vvECMO initiation compared to T-1 and spontaneously recovered with a significant increase at T2. Platelet count dropped significantly between T-1 and T0 and continuously decreased between T0 and T4. At T4, ADP-induced platelet aggregation showed an inverse correlation with the paO2 in the oxygenator. Platelet function should be assessed by MEA before the initiation of extracorporeal circulation. Although ECMO therapy led to a further decrease in platelet aggregation after 6 h, all measurements had recovered to baseline on day two. This implies that MEA as a whole blood method might not adequately reflect the changes in platelet function in the later stages of extracorporeal circulation.
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Ranucci M, Di Dedda U, Baryshnikova E. Platelet Contribution to Clot Strength in Thromboelastometry: Count, Function, or Both? Platelets 2019; 31:88-93. [DOI: 10.1080/09537104.2019.1581920] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Marco Ranucci
- Department Of Cardiovascular Anaesthesia and Intensive Care Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Umberto Di Dedda
- Department Of Cardiovascular Anaesthesia and Intensive Care Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Ekaterina Baryshnikova
- Department Of Cardiovascular Anaesthesia and Intensive Care Unit, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
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20
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Tian WZ, Er JX, Liu L, Chen QL, Han JG. Effects of Autologous Platelet Rich Plasma on Intraoperative Transfusion and Short-Term Outcomes in Total Arch Replacement (Sun's Procedure): A Prospective, Randomized Trial. J Cardiothorac Vasc Anesth 2019; 33:2163-2169. [PMID: 31060939 DOI: 10.1053/j.jvca.2019.02.033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To observe the effect of collecting and retransfusing autologous platelet rich plasma (aPRP) on the amount of allogeneic blood usage in total arch replacement (Sun's surgery) and the outcomes 30 days after surgery. DESIGN A prospective, randomized trial. SETTING A tertiary university hospital specialized in cardiovascular diseases. PARTICIPANTS The study comprised 120 patients undergoing Sun's surgery for Stanford type A acute aortic dissection. INTERVENTIONS aPRP was harvested before incision and was re-transfused after heparin neutralization for patients in the treatment group. MEASUREMENTS AND MAIN RESULTS There was no significant difference in preoperative demographic data between the 2 study groups. Intraoperative transfusions of erythrocyte (p = 0.009), plasma (p = 0.017), cryoprecipitate (p = 0.002), and platelets (p < 0.001) in the treatment group were reduced significantly. In addition, less blood loss was observed in the treatment group (p = 0.002). The durations of postoperative mechanical ventilation (p = 0.029) and hospitalization (p = 0.002) of the treatment group were significantly shorter. There were no statistically significant differences in the length of intensive care unit stay, the incidence of complications, and mortality 30 days after surgery. CONCLUSION In total arch replacement (Sun's surgery), collecting and retransfusing aPRP reduced intraoperative transfusions of erythrocyte, plasma, and cryoprecipitate and decreased the duration of postoperative mechanical ventilation and hospitalization. This technique had no significant effect on the incidence of complications and mortality 30 days postoperatively.
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Affiliation(s)
- Wen-Zhi Tian
- Department of Anesthesiology, Tianjin Chest Hospital, Tianjin Cardiovascular Diseases Institute, Tianjin, China
| | - Jian-Xu Er
- Department of Anesthesiology, Tianjin Chest Hospital, Tianjin Cardiovascular Diseases Institute, Tianjin, China
| | - Liang Liu
- Department of Anesthesiology, Tianjin Chest Hospital, Tianjin Cardiovascular Diseases Institute, Tianjin, China
| | - Qing-Liang Chen
- Department of Cardio-Vascular Surgery, Tianjin Chest Hospital, Tianjin Cardiovascular Diseases Institute, Tianjin, China
| | - Jian-GeHan Han
- Department of Anesthesiology, Tianjin Chest Hospital, Tianjin Cardiovascular Diseases Institute, Tianjin, China.
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21
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Di Dedda U, Ranucci M, Porta A, Bari V, Ascari A, Fantinato A, Baryshnikova E, Cotza M. The combined effects of the microcirculatory status and cardiopulmonary bypass on platelet count and function during cardiac surgery. Clin Hemorheol Microcirc 2019; 70:327-337. [PMID: 29710690 DOI: 10.3233/ch-180391] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Cardiac surgery with cardiopulmonary bypass is associated with important changes in the microcirculation, usually attributed to endothelial dysfunction. Another common finding of cardiac surgery is postoperative thrombocytopenia and platelet loss of function. OBJECTIVE To investigate the association between microvascular flow pattern and postoperative changes in platelet count and function in cardiac surgery patients. METHODS Twelve adult cardiac surgery patients received microvascular circulation (sidestream darkfield sublingual mucosa analysis) and platelet count and function (multiple electrode aggregometry ADPtest and TRAPtest) assessment before and after cardiopulmonary bypass. RESULTS After cardiopulmonary bypass, sublingual microcirculation showed a significantly (P = 0.001) decreased microvascular flow index and increased heterogeneity index (P = 0.006). Platelet function significantly decrease after cardiopulmonary bypass both at ADPtest (P = 0.011) and TRAPtest (P = 0.002). Preoperative patterns of poor microvascular perfusion (low perfused vessels density and total vessels density) were significantly associated with lower values of post-cardiopulmonary bypass platelet function (ADPtest, P = 0.009, TRAPtest, P = 0.031) and count (P = 0.048). CONCLUSIONS A preoperative disturbance of the microcirculation is associated with a greater postoperative platelet dysfunction. Endothelial damage, chemical and mechanical stimuli are the possible link between the two patterns.
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Affiliation(s)
- Umberto Di Dedda
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Marco Ranucci
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Alberto Porta
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy.,Department of Biomedical Sciences for Health, University of Milan, Milan, Italy
| | - Vlasta Bari
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Alice Ascari
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Angela Fantinato
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Ekaterina Baryshnikova
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Mauro Cotza
- Department of Cardiothoracic, Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
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22
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Barker EE, Saini A, Gazit AZ, Shea SM, Baltagi S, Gage BF, Spinella PC. TEG Platelet Mapping and Impedance Aggregometry to Predict Platelet Transfusion During Cardiopulmonary Bypass in Pediatric Patients. Front Pediatr 2019; 7:509. [PMID: 31921722 PMCID: PMC6921926 DOI: 10.3389/fped.2019.00509] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 11/25/2019] [Indexed: 11/13/2022] Open
Abstract
Background: Cardiopulmonary bypass-related platelet dysfunction can increase the risk of intra- and post-operative bleeding in children undergoing cardiac surgery. More accurate laboratory tests that identify acquired platelet abnormalities could allow for rapid identification of patients at risk of bleeding and provide therapies that could reduce bleeding and platelet transfusions. We hypothesized that thromboelastography with platelet mapping (TEG-PM) and multiple electrode impedance aggregometry (MEIA) as functional measures of platelet function would predict who will require platelet transfusion. Our secondary hypothesis was that platelet aggregation at both arachidonic acid (AA) and adenosine diphosphate (ADP) receptors would correlate between TEG-PM and MEIA results. Methods: In this prospective study from August 2013 to December 2015, children from newborn to 5 years of age with congenital heart disease undergoing cardiopulmonary bypass had blood samples collected and analyzed at four time points: pre-bypass, post-bypass, post-operatively on arrival to the Cardiac Intensive Care Unit, and 24 h after arrival. Results: Of the 44 patients analyzed, the 10 patients who received peri-operative platelet transfusion were significantly younger (p = 0.05), had higher STAT (Society of Thoracic Surgeons-European Association for Cardio-Thoracic Surgery) Mortality Categories (p < 0.002) and longer cardiopulmonary bypass times (p = 0.02). In univariate analysis, four variables were associated with peri-operative platelet transfusion: pre-operative age [OR 0.95 (0.93, 0.98), p = 0.03], cardiopulmonary bypass time [1.5 (1.31, 1.68), p = 0.008], STAT Mortality Category [3.64 (3.40, 3.87), p < 0.001], and TEG-PM ADP [0.79 (0.65, 0.93), p = 0.04]. ROC analysis demonstrated moderate predictive value of TEG-PM ADP with AUC of 0.745 (0.59, 0.91). A TEG-PM ADP value of less than or equal to 21 had 85% sensitivity and 70% specificity for platelet transfusion. In the multivariate analysis, only STAT Mortality Category predicted platelet transfusion. TEG-PM and MEIA results correlated for the AA receptor at all 4 time points, but the same tests at the ADP receptors did not correlate. Conclusions: TEG-PM ADP may provide more clinically relevant information regarding platelet function compared to the MEIA at the ADP receptor in children requiring cardiopulmonary bypass. There was limited correlation between TEG-PM and MEIA results which raises a concern about the accuracy of these tests at the ADP receptor. Lower pre-operative TEG-PM ADP MA may predict intra-operative platelet transfusions; however, larger studies are needed to determine the utility of TEG-PM and MEIA in guiding platelet transfusions in this population.
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Affiliation(s)
- Erin E Barker
- Division of Pediatric Critical Care, University of Rochester, Rochester, NY, United States.,Division of Pediatric Critical Care, Washington University School of Medicine, St. Louis, MO, United States
| | - Arun Saini
- Division of Pediatric Critical Care, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, United States
| | - Avihu Z Gazit
- Division of Pediatric Critical Care, Washington University School of Medicine, St. Louis, MO, United States
| | - Susan M Shea
- Division of Pediatric Critical Care, Washington University School of Medicine, St. Louis, MO, United States
| | - Sirine Baltagi
- Department of Critical Care Medicine, Saint Joseph Children's Hospital, Tampa, FL, United States
| | - Brian F Gage
- Division of General Medical Sciences, Washington University School of Medicine, St. Louis, MO, United States
| | - Philip C Spinella
- Division of Pediatric Critical Care, Washington University School of Medicine, St. Louis, MO, United States
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23
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Ranucci M, Pistuddi V, Di Dedda U, Menicanti L, De Vincentiis C, Baryshnikova E. Platelet function after cardiac surgery and its association with severe postoperative bleeding: the PLATFORM study. Platelets 2018; 30:908-914. [PMID: 30365338 DOI: 10.1080/09537104.2018.1535706] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Platelet dysfunction after cardiac surgery is a determinant of postoperative bleeding. The existing guidelines suggest the use of desmopressin and/or platelet concentrate transfusions in case of platelet dysfunction in bleeding patients, but no cut-off values for platelet activity exist in the literature. The Platelet Function in the Operating Room (PLATFORM) study aims to identify the relationship between platelet function after cardiopulmonary bypass and severe bleeding, finding adequate predictive values of platelet function for severe bleeding. The PLATFORM is a prospective cohort study on 490 adult patients receiving cardiac surgery with cardiopulmonary bypass. Patients received platelet function tests (multiple electrode aggregometry ADPtest and TRAPtest) before surgery and after cardiopulmonary bypass, and routine coagulation tests before surgery and at the arrival in the intensive care unit. The post-cardiopulmonary bypass ADPtest and TRAPtest were significantly (P = 0.001) associated with severe bleeding, as well as the post-cardiopulmonary bypass activated partial thromboplastin time, the international normalized ratio, and the fibrinogen concentration. At a multivariable analysis, the ADPtest (odds ratio 0.962, 95% confidence interval 0.936-0.989, P = 0.005) and the activated partial thromboplastin time (odds ratio 1.097, 95% confidence interval 1.016-1.185, P = 0.017) remained independently associated with severe bleeding. The post-cardiopulmonary bypass ADPtest had the best discrimination, with an area under the curve of 0.712. The best positive predictive value (42%) was found at a cut-off ≤8 U. In conclusion, platelet function tests after cardiopulmonary bypass are significantly associated with postoperative bleeding. However, postoperative bleeding has a multifactorial nature, and the measure of platelet function alone does not provide a high positive predictive value for severe bleeding.
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Affiliation(s)
- Marco Ranucci
- Department of Cardiothoracic, Vascular Anaesthesia and Intensive Care, IRCCS Policlinico San Donato , Milan , Italy
| | - Valeria Pistuddi
- Department of Cardiothoracic, Vascular Anaesthesia and Intensive Care, IRCCS Policlinico San Donato , Milan , Italy
| | - Umberto Di Dedda
- Department of Cardiothoracic, Vascular Anaesthesia and Intensive Care, IRCCS Policlinico San Donato , Milan , Italy
| | - Lorenzo Menicanti
- Department of Cardiac Surgery, IRCCS Policlinico San Donato , Milan , Italy
| | | | - Ekaterina Baryshnikova
- Department of Cardiothoracic, Vascular Anaesthesia and Intensive Care, IRCCS Policlinico San Donato , Milan , Italy
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Ranucci M, Aloisio T, Dedda UD, La Rovere MT, De Arroyabe BML, Baryshnikova E. Platelet reactivity in overweight and obese patients undergoing cardiac surgery. Platelets 2018; 30:608-614. [PMID: 29985729 DOI: 10.1080/09537104.2018.1492108] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Body mass index (BMI) and specifically overweight and obesity have been associated with an increased platelet reactivity in different series of patients. This information is derived by different laboratory platelet function tests (PFTs) like mean platelet volume (MPV), platelet microparticles, thromboxane B2 metabolites, and others. Point-of-care PFT, which are often used in cardiac surgery, are rarely addressed. The present study aims to verify platelet reactivity using multiple-electrode aggregometry (MEA) as a function of BMI in cardiac surgery patients. One-hundred ninety-eight cardiac surgery patients free from the effects of drugs acting on the P2Y12 receptor and undergoing cardiac surgery received MEA-PFT immediately before surgery. Platelet reactivity was compared between normal weight and overweight-obese subjects. There were 99 underweight/normal (BMI < 25), 60 overweight (BMI ≥ 25) and 39 obese (BMI ≥ 30) patients. Overweight-obese patients did not show higher platelet counts nor a clear platelet hyper-reactivity, when tested with MPV and MEA ADP test. At TRAPtest, the overweight/obese patients had a significantly (P = 0.011) higher platelet reactivity (median 118, interquartile range 106-136) than controls (median 112, interquartile range 101-123) and a higher rate of platelet hyper-reactivity (odds ratio 2.19, 95% confidence interval 1.15-4.16, P = 0.016) in a multivariable model. A minor association was found between the BMI and platelet reactivity at TRAPtest, with a higher degree of activity for increasing BMI. The BMI determines an increased thrombin-dependent platelet reactivity in cardiac surgery patients. Thrombin is extensively formed during cardiac surgery, and this may explain the lower postoperative bleeding observed in obese patients in previous studies.
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Affiliation(s)
- Marco Ranucci
- a Department of Cardiothoracic-Vascular Anesthesia and Intensive Care , IRCCS Policlinico San Donato, Milan, Italy
| | - Tommaso Aloisio
- a Department of Cardiothoracic-Vascular Anesthesia and Intensive Care , IRCCS Policlinico San Donato, Milan, Italy
| | - Umberto Di Dedda
- a Department of Cardiothoracic-Vascular Anesthesia and Intensive Care , IRCCS Policlinico San Donato, Milan, Italy
| | - Maria Teresa La Rovere
- b Department of Cardiology, Fondazione Salvatore Maugeri , IRCCS Istituto Scientifico di Montescano , Montescano , Italy
| | | | - Ekaterina Baryshnikova
- a Department of Cardiothoracic-Vascular Anesthesia and Intensive Care , IRCCS Policlinico San Donato, Milan, Italy
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Olechowski B, Khanna V, Mariathas M, Ashby A, Dalton RT, Nordon I, Englyst N, Harris S, Nicholas Z, Thayalasamy K, Mahmoudi M, Curzen N. Changes in platelet function with inflammation in patients undergoing vascular surgery. Platelets 2017; 30:190-198. [DOI: 10.1080/09537104.2017.1392498] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Bartosz Olechowski
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Vikram Khanna
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Mark Mariathas
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Alexander Ashby
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Richard T Dalton
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Ian Nordon
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Nicola Englyst
- Institute of Developmental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Scott Harris
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Zoe Nicholas
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Kala Thayalasamy
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Michael Mahmoudi
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Nick Curzen
- Wessex Cardiothoracic Centre University, University Hospital Southampton NHS Foundation Trust, Southampton, UK
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Fabbro M, Winkler AM, Levy JH. Technology: Is There Sufficient Evidence to Change Practice in Point-of-Care Management of Coagulopathy? J Cardiothorac Vasc Anesth 2017; 31:1849-1856. [DOI: 10.1053/j.jvca.2017.05.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Indexed: 01/30/2023]
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Sivapalan P, Bäck AC, Ostrowski SR, Ravn HB, Johansson PI. Transfusion requirements in elective cardiopulmonary bypass surgery patients: predictive value of Multiplate and Thromboelastography (TEG) Platelet Mapping Assay. Scandinavian Journal of Clinical and Laboratory Investigation 2017; 77:345-351. [PMID: 28537454 DOI: 10.1080/00365513.2017.1325000] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Managing haemostasis in patients undergoing cardiopulmonary bypass (CPB) surgery remains a challenge. There is no established laboratory test to predict transfusion requirements in cardiac surgery. We investigated whether preoperative Thromboelastography (TEG) with Platelet Mapping Assay (PMA) or Multiple Electrode Aggrometry (MEA) could predict transfusion requirements in patients undergoing elective coronary artery bypass grafting (CABG) or combined CABG with aortic or mitral valve replacement. We prospectively investigated 199 patients undergoing elective CABG or combined procedures. PMA and MEA were performed at baseline (after anaesthesia induction), upon arrival at the intensive care unit and on the first postoperative day. Patients receiving fresh frozen plasma and/or platelets (FFP/PLT) had a lower PMA maximum amplitude (MA) for adenosine diphosphate (PMA-ADP) and arachidonic acid (PMA-AA) at baseline, at arrival in the intensive care unit and the first postoperative day compared to non-transfused patients. Receiver operating characteristic curves on PMA showed that lower values predicted FFP/PLT transfusion: PMA-ActF 0.64 (p = 0.04), PMA-ADP 0.69 (p = 0.01) and PMA-AA 0.71 (p = 0.002). In contrast, MEA values were not able to predict FFP/PLT transfusions. This study shows that preoperative PMA potentially is a better screening tool for platelet inhibition associated with transfusion requirements in patients undergoing CABG or combined procedures.
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Affiliation(s)
- Praleene Sivapalan
- a Department of Cardiothoracic Anaesthesiology , Copenhagen University Hospital , Copenhagen , Denmark
| | - Anne Caroline Bäck
- b Department of Cardiothoracic Surgery , Copenhagen University Hospital , Copenhagen , Denmark
| | - Sisse Rye Ostrowski
- c Section for Transfusion Medicine, Capital Region Blood Bank , Copenhagen University Hospital , Copenhagen , Denmark
| | - Hanne Berg Ravn
- a Department of Cardiothoracic Anaesthesiology , Copenhagen University Hospital , Copenhagen , Denmark
| | - Pär Ingemar Johansson
- d Department of Surgery , University of Texas Health Medical School , Houston , TX , USA.,e Center for Systems Biology, The School of Engineering and Natural Sciences , University of Iceland , Reykjavik , Iceland
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28
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Nagao Y, Masuda R, Ando A, Nonaka M, Nishimura A, Goto K, Maruoka Y, Iijima T. Whole Blood Platelet Aggregation Test and Prediction of Hemostatic Difficulty After Tooth Extraction in Patients Receiving Antiplatelet Therapy. Clin Appl Thromb Hemost 2017; 24:151-156. [PMID: 28511553 DOI: 10.1177/1076029617709086] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
When patients on antiplatelet therapy (APT) require minor invasive surgery, APT is usually continued to limit the risk of thrombosis. However, the possibility of hemostatic difficulties necessitates the monitoring of platelet aggregation to prevent unexpected bleeding. We examined whether whole blood aggregometry as a point-of-care testing (POCT) could be useful as a tool for predicting hemostatic difficulties. Sixty-five patients receiving APT and 15 patients who were not receiving APT were enrolled in the present study; all patients were scheduled to undergo a tooth extraction. Whole blood samples were obtained and were examined using multiple electrode aggregometry. The aggregometry was performed using arachidonic acid (AA), adenosine diphosphate (ADP), and thrombin receptor activating peptide. Hemostatic difficulty was defined as a need for more than 10 minutes of compression to achieve hemostasis. The AA test results were significantly lower in patients treated with aspirin (control: 97.7 [29.0] U, aspirin: 14.5 [7.2] U, P < .001). The ADP test results were also significantly lower in patients treated with a P2Y12 inhibitor (control: 77.7 [21.7] U, P2Y12 inhibitor: 37.3 [20.4] U, P < .01). Six of the examined cases exhibited hemostatic difficulties. The cutoff values for the prediction of hemostatic difficulty were 16.5 U for the AA test (sensitivity, 0.833; specificity, 0.508) and 21 U for the ADP test (sensitivity, 0.847; specificity, 0.500). Our study showed that whole blood aggregometry was useful as a POCT for the prediction of hemostatic difficulties after tooth extraction in patients receiving APT.
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Affiliation(s)
- Yasushi Nagao
- 1 Division of Community-Based Comprehensive Dentistry, Department of Special Needs Dentistry, Showa University, Shinagawa, Japan
| | - Rikuo Masuda
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
| | - Akane Ando
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
| | - Mutsumi Nonaka
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
| | - Akiko Nishimura
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
| | - Kinuko Goto
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
| | - Yasubumi Maruoka
- 1 Division of Community-Based Comprehensive Dentistry, Department of Special Needs Dentistry, Showa University, Shinagawa, Japan
| | - Takehiko Iijima
- 2 Division of Anesthesiology, Department of Perioperative Medicine, School of Dentistry, Showa University, Shinagawa, Japan
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29
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Ranucci M, Baryshnikova E. The interaction between preoperative platelet count and function and its relationship with postoperative bleeding in cardiac surgery. Platelets 2017; 28:794-798. [DOI: 10.1080/09537104.2017.1280148] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Marco Ranucci
- Department of Cardiothoracic – Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
| | - Ekaterina Baryshnikova
- Department of Cardiothoracic – Vascular Anesthesia and Intensive Care, IRCCS Policlinico San Donato, Milan, Italy
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30
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Truong DT, Johnson JT, Bailly DK, Clawson JR, Sheng X, Burch PT, Witte MK, LuAnn Minich L. Platelet Inhibition in Shunted Infants on Aspirin at Short and Midterm Follow-Up. Pediatr Cardiol 2017; 38:401-409. [PMID: 28039526 DOI: 10.1007/s00246-016-1529-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 11/11/2016] [Indexed: 02/04/2023]
Abstract
There are few data to guide aspirin therapy to prevent shunt thrombosis in infants. We aimed to determine if aspirin administered at conventional dosing in shunted infants resulted in ≥50% arachidonic acid (AA) inhibition in short and midterm follow-up using thromboelastography with platelet mapping (TEG-PM) and to describe bleeding and thrombotic events during follow-up. We performed a prospective observational study of infants on aspirin following Norwood procedure, aortopulmonary shunt alone, or cavopulmonary shunt surgery. We obtained TEG-PM preoperatively, after the third dose of aspirin, at the first postoperative clinic visit, and 2-8 months after surgery. The primary outcome was the proportion of subjects with ≥50% AA inhibition on aspirin. All bleeding and thrombotic events were collected. Of 24 infants analyzed, 13% had ≥50% AA inhibition at all designated time points after aspirin initiation; 38% had ≥50% AA inhibition after the third aspirin dose of aspirin, 60% at the first postoperative clinic visit, and 26% 2-8 months after surgery. Bleeding events occurred in eight subjects, and two had a thrombotic event. Bleeding events were associated with greater AA inhibition just prior to starting aspirin (p = 0.02) and after the third dose of aspirin (p = 0.04), and greater ADP inhibition before surgery (p = 0.03). The majority of infants failed to consistently have ≥50% AA inhibition when checked longitudinally postoperatively. Preoperative TEG-PM may be useful in identifying infants at higher risk of bleeding events on aspirin in the early postoperative period. Further research is needed to guide antiplatelet therapy in this population.
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Affiliation(s)
- Dongngan T Truong
- Division of Cardiology, Department of Pediatrics, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA.
| | - Joyce T Johnson
- Division of Cardiology, Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital, Northwestern University Feinberg School of Medicine, 225 E. Chicago Ave, Chicago, IL, 60611, USA
| | - David K Bailly
- Division of Critical Care, Department of Pediatrics, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
| | - Jason R Clawson
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
| | - Xiaoming Sheng
- Department of Pediatrics, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
| | - Phillip T Burch
- Division of Pediatric Cardiothoracic Surgery, Department of Surgery, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
| | - Madolin K Witte
- Division of Critical Care, Department of Pediatrics, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
| | - L LuAnn Minich
- Division of Cardiology, Department of Pediatrics, Primary Children's Hospital and University of Utah, 81 North Mario Capecchi Drive, Salt Lake City, UT, 84113, USA
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31
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Samoš M, Stančiaková L, Duraj L, Kovář F, Fedor M, Šimonová R, Bolek T, Galajda P, Staško J, Kubisz P, Mokáň M. Monitoring the hemostasis with rotation thromboelastometry in patients with acute STEMI on dual antiplatelet therapy: First experiences. Medicine (Baltimore) 2017; 96:e6045. [PMID: 28178148 PMCID: PMC5313005 DOI: 10.1097/md.0000000000006045] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Rotation thromboelastometry (ROTEM) is a viscoelastometric point-of-care-test for the complex evaluation of changes in hemostasis, performed in whole blood. However, no prospective study evaluating the efficacy of the antiplatelet therapy using ROTEM was performed.Fifty-six patients (34 men, 22 women, mean age 67.75 years, and age range 34-88 years) with acute ST-elevation myocardial infarction (STEMI), treated with dual antiplatelet therapy, undergoing urgent coronary angiography and percutaneous coronary intervention (PCI) of culprit coronary lesion were included. Three blood samples were taken (sample 1 taken before the urgent coronary angiography, sample 2 in 24 hours after the admission, and sample 3 in 30 days after acute STEMI). Twenty-one healthy blood donors (17 men, 4 women, mean age 50.38 years, and age range 40-74 years) were recruited as the control group. Blood samples were tested with ROTEM Gamma (Pentapharm GmbH, Munich, Germany) and light transmission aggregometry (LTA).Clotting time (CT) was significantly prolonged and maximum clot firmness (MCF) was significantly higher in patients compared to controls. Mean platelet aggregation after the induction with arachidonic acid (33.2% vs 74.6% in sample 1 and 21.1% vs 74.6% in sample 2), as well as adenosine diphosphate (51.4% vs 72.7% in sample 1 and 37.1% vs 72.7% in sample 2), were significantly lower in patients with acute STEMI.Significantly prolonged CT and increased MCF was found in patients with acute STEMI. This study confirmed the ability of ROTEM to identify changes in hemostasis in ACS patients on antithrombotic therapy.
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Affiliation(s)
| | - Lucia Stančiaková
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
| | - Lukáš Duraj
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
| | | | - Marián Fedor
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
| | - Radoslava Šimonová
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
| | | | | | - Ján Staško
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
| | - Peter Kubisz
- National Centre of Haemostasis and Thrombosis, Department of Hematology and Transfusiology, Comenius University in Bratislava, Jessenius Faculty of Medicine in Martin, Martin, Slovak Republic
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32
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Tranexamic acid decreases the magnitude of platelet dysfunction in aspirin-free patients undergoing cardiac surgery with cardiopulmonary bypass. Blood Coagul Fibrinolysis 2016; 27:855-861. [DOI: 10.1097/mbc.0000000000000485] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Agarwal S. Platelet function testing in cardiac surgery. Transfus Med 2016; 26:319-329. [PMID: 27535575 DOI: 10.1111/tme.12335] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 07/12/2016] [Accepted: 07/24/2016] [Indexed: 12/17/2022]
Abstract
Bleeding in cardiac surgery is known to cause increased morbidity and mortality. The rise in the use of anti-platelet medication has led to an increase in the number of patients presenting for cardiac surgery with platelet dysfunction, who are at a heightened risk of bleeding. However, the extent of platelet inhibition is well known to differ among individuals. In the past few years, a number of point-of-care platelet function testing devices, which may be able to assess platelet reactivity, have entered the market. This review will examine the devices most commonly studied and the evidence surrounding their use in cardiac surgery and their effect on blood loss.
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Affiliation(s)
- S Agarwal
- Department of Anaesthesia and Critical Care, Liverpool Heart and Chest Hospital, Liverpool, UK.
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34
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Ranucci M, Baryshnikova E. Platelet function in paediatric cardiac surgery. Br J Anaesth 2016; 116:744-6. [PMID: 27199307 DOI: 10.1093/bja/aew108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- M Ranucci
- Department of Cardiothoracic-Vascular Anesthesia and ICU, IRCCS Policlinico San Donato, Milan, Italy
| | - E Baryshnikova
- Department of Cardiothoracic-Vascular Anesthesia and ICU, IRCCS Policlinico San Donato, Milan, Italy
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35
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Murphy MF, Gill R, Moss R, Raghavan M, Stanworth SJ, Rowley M, Wallis J. Spotlight on platelets: summary of BBTS combined special interest group autumn meeting, November 2015. Transfus Med 2016; 26:8-14. [DOI: 10.1111/tme.12295] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Accepted: 02/27/2016] [Indexed: 11/28/2022]
Affiliation(s)
- M. F. Murphy
- NHS Blood & Transplant; England
- Department of Haematology; Oxford University Hospitals NHS Foundation Trust; Oxford England
- University of Oxford; Oxford UK
| | - R. Gill
- University Hospitals Southampton NHS Foundation Trust; Southampton UK
| | - R. Moss
- NHS Blood & Transplant; England
- Imperial College Healthcare NHS Trust; London UK
| | - M. Raghavan
- University Hospitals Birmingham NHS Foundation Trust; England
| | - S. J. Stanworth
- NHS Blood & Transplant; England
- Department of Haematology; Oxford University Hospitals NHS Foundation Trust; Oxford England
- University of Oxford; Oxford UK
| | - M. Rowley
- NHS Blood & Transplant; England
- Imperial College Healthcare NHS Trust; London UK
| | - J. Wallis
- Newcastle Upon Tyne NHS Foundation Trust; England
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36
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Bose E, Hravnak M. Thromboelastography: A Practice Summary for Nurse Practitioners Treating Hemorrhage. J Nurse Pract 2015; 11:702-709. [PMID: 26273234 DOI: 10.1016/j.nurpra.2015.05.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nurse practitioners may manage patients with coagulopathic bleeding which can lead to life-threatening hemorrhage. Routine plasma-based tests such as prothrombin time and activated partial thromboplastin time are inadequate in diagnosing hemorrhagic coagulopathy. Indiscriminate administration of fresh frozen plasma, platelets or cryoprecipitate for coagulopathic states can be extremely dangerous. The qualitative analysis that thromboelastography provides can facilitate the administration of the right blood product, at the right time, thereby permitting the application of goal-directed therapy for coagulopathic intervention application and patient survival.
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Affiliation(s)
- Eliezer Bose
- School of Nursing, University of Pittsburgh, 3500 Victoria St., 336 Victoria Building, Pittsburgh, PA 15261, USA
| | - Marilyn Hravnak
- School of Nursing, University of Pittsburgh, 3500 Victoria St., 336 Victoria Building, Pittsburgh, PA 15261, USA
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