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Al Raizah A, Alayoubi F, Abdelnaby GH, Alzahrani H, Bakheet MF, Alskaini MA, Buhumaid R, Al Awadhi S, Kazim SN, Jaiganesh T, Naguib MHH, Al Aseri Z. Clinical Care Pathway and Management of Major Bleeding Associated with Nonvitamin K Antagonist Oral Anticoagulants: A Modified Delphi Consensus from Saudi Arabia and UAE. Mediterr J Hematol Infect Dis 2024; 16:e2024038. [PMID: 38882457 PMCID: PMC11178050 DOI: 10.4084/mjhid.2024.038] [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: 12/13/2023] [Accepted: 04/13/2024] [Indexed: 06/18/2024] Open
Abstract
Background The nonvitamin K antagonist oral anticoagulants (NOACs) have become the mainstay anticoagulation therapy for patients requiring oral anticoagulants (OACs) in the Gulf Council Cooperation (GCC) countries. The frequency of NOAC-associated major bleeding is expected to increase in the Emergency Department (ED). Nonetheless, we still lack local guidelines and recommendations for bleeding management in the region. The present Delphi-based consensus aims to establish a standardized and evidence-based clinical care pathway for managing NOAC-associated major bleeding in the Kingdom of Saudi Arabia (KSA) and the United Arab Emirates (UAE). Methods We adopted a three-step modified Delphi method to develop evidence-based recommendations through two voting rounds and an advisory meeting between the two rounds. A panel of 11 experts from the KSA and UAE participated in the consensus development. Results Twenty-eight statements reached the consensus level. These statements addressed key aspects of managing major bleeding events associated with NOACs, including the increased use of NOAC in clinical practice, clinical care pathways, and treatment options. Conclusion The present Delphi consensus provides evidence-based recommendations and protocols for the management of NOAC-associated bleeding in the region. Patients with major DOAC-induced bleeding should be referred to a well-equipped ED with standardized management protocols. A multidisciplinary approach is recommended for establishing the association between NOAC use and major bleeding. Treating physicians should have prompt access to specific reversal agents to optimize patient outcomes. Real-world evidence and national guidelines are needed to aid all stakeholders involved in NOAC-induced bleeding management.
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Affiliation(s)
- Abdulrahman Al Raizah
- Division of Adult Hematology, Department of Oncology, King Abdulaziz Medical City, Ministry of National Guard Health Affairs, PO Box. 22490, 11426, Riyadh, Saudi Arabia
| | | | | | - Hazzaa Alzahrani
- King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | | | - Mohammed A Alskaini
- Department of Neurology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Rasha Buhumaid
- Mohammed Bin Rashid University of Medicine and Health Science, Dubai, United Arab Emirates
| | - Sameer Al Awadhi
- Digestive Diseases Unit, Rashid Hospital, Dubai, United Arab Emirates
| | - Sara Nooruddin Kazim
- Department of Emergency Medicine, Rashid Hospital and Trauma Centre, Dubai Health Authority, Dubai, United Arab Emirates
| | | | | | - Zohair Al Aseri
- Department Emergency Medicine and Critical Care, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Department of Clinical Sciences, College of Medicine and Riyadh Hospital, Dar Al Uloom University, Riyadh, Saudi Arabia
- Therapeutic Deputyship, Ministry of Health, Riyadh, Saudi Arabia
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Al Aseri Z, AlGahtani FH, Bakheet MF, Al-Jedai AH, Almubrik S. Evidence-based Management of Major Bleeding in Patients Receiving Direct Oral Anticoagulants: An Updated Narrative Review on the Role of Specific Reversal Agents. J Cardiovasc Pharmacol Ther 2023; 28:10742484231202655. [PMID: 37872658 DOI: 10.1177/10742484231202655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
The indications of direct oral anticoagulants (DOACs) have expanded over the past 15 years. DOACs are effective and safe oral anticoagulants associated with lower bleeding risks and mortality than vitamin K antagonists. However, DOAC users are prone to a considerable bleeding risk, which can occur at critical sites or lead to severe life-threatening conditions. Recent statistics indicated that major bleeding occurs in up to 6.62 DOAC users per 100 treatment years. With the increased use of DOACs in clinical practice, DOAC-associated major bleeding is expected to be encountered more frequently in the emergency department. The current international guidelines recommend specific reversal agents for the management of DOAC users with severe bleeding to reverse the anticoagulant effect and restore normal hemostasis. An individualized assessment was incorporated in specific clinical situations to guide the decision pathway of major bleeding management. However, specific reversal agents are unavailable or have limited availability in many countries, which is expected to negatively impact the clinical outcomes of DOAC-associated major bleeding. Limited real-world evidence is available from these countries regarding the clinical outcomes of patients with DOAC-associated major bleeding. This narrative review provided an updated assessment of the evidence-based approaches for the management of major bleeding in DOAC users. We also explored the clinical outcomes of patients with major bleeding from clinical settings where specific reversal agents are unavailable.
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Affiliation(s)
- Zohair Al Aseri
- Departments of Emergency Medicine and Critical Care, College of Medicine, King Saud University, Riyadh, Saudi Arabia
- Adult Critical Care, Therapeutic Affairs Deputyship, Ministry of Health, Riyadh, Saudi Arabia
- Riyadh Hospital & Dar Al Uloom University, Riyadh, Saudi Arabia
| | - Farjah H AlGahtani
- Division of Hematology/Oncology, Oncology Center, Medicine Department, King Saud University, Riyadh, Saudi Arabia
| | - Majid F Bakheet
- Therapeutic Affairs Deputyship, Ministry of Health, Riyadh, Saudi Arabia
- Colleges of Medicine and Pharmacy, Al-Faisal University, Riyadh, Saudi Arabia
| | - Ahmed H Al-Jedai
- Therapeutic Affairs Deputyship, Ministry of Health, Riyadh, Saudi Arabia
- Colleges of Medicine and Pharmacy, Al-Faisal University, Riyadh, Saudi Arabia
| | - Sarah Almubrik
- Emergency Medicine, King Saud University Medical City, Riyadh, Saudi Arabia
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Turcato G, Zaboli A, Tenci A, Ricci G, Zannoni M, Scheurer C, Wieser A, Maccagnani A, Bonora A, Pfeifer N. Safety and differences between direct oral anticoagulants and vitamin K antagonists in the risk of post-traumatic intrathoracic bleeding after rib fractures in elderly patients. EMERGENCY CARE JOURNAL 2021. [DOI: 10.4081/ecj.2021.10284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Closed chest traumas are frequent consequences of falls in the elderly. The presence of concomitant oral anticoagulant therapy can increase the risk of post-traumatic bleeding even in cases of trauma with non-severe dynamics. There is limited information about the differences between vitamin K antagonists and direct oral anticoagulants in the risk of post-traumatic bleeding. To assess differences in the risk of developing intra-thoracic hemorrhages after chest trauma with at least one rib fracture caused by an accidental fall in patients over 75 years of age taking oral anticoagulant therapy. This study involved data from four emergency departments over two years. All patients on oral anticoagulant therapy and over 75 years of age who reported a closed thoracic trauma with at least one rib fracture were retrospectively evaluated. Patients were divided into two study groups according their anticoagulant therapy. Of the 342 patients included in the study, 38.9% (133/342) were treated with direct oral anticoagulants and 61.1% (209/342) were treated with vitamin K antagonist. A total of 7% (24/342) of patients presented intrathoracic bleeding, while 5% (17/342) required surgery or died as a result for the trauma. Posttraumatic intrathoracic bleeding occurred in 4.5% (6/133) of patients receiving direct oral anticoagulants and 8.6% (18/209) of patients receiving vitamin K antagonist. Logistic regression analysis, revealed no difference in the risk of intrathoracic haemorrhages between the two studied groups. Direct oral anticoagulants therapy presents a risk of post-traumatic intrathoracic haemorrhage comparable to that of vitamin K antagonist therapy.
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Alcock HMF, Nayar SK, Moppett IK. Reversal of direct oral anticoagulants in adult hip fracture patients. A systematic review and meta-analysis. Injury 2021; 52:3206-3216. [PMID: 34548147 DOI: 10.1016/j.injury.2021.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/15/2021] [Accepted: 09/05/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Increasing numbers of patients are taking Direct Oral Anticoagulants at the time of hip fracture. Evidence is limited on how and if the effects of DOAC's should be reversed before surgical fixation. Wide variations in practice exist. We conducted a systematic review to investigate outcomes for three reversal strategies. These were: "watch and wait" (also referred to as "time-reversal"), plasma product reversal and reversal with specific antidotes. METHODS A systematic search was conducted using multiple databases. Results were obtained for studies directly comparing different DOAC reversal strategies in hip fracture patients and for studies comparing DOAC-taking hip fracture patients (including patients "reversed" using any method and "non-reversed" patients) against matched controls taking either a vitamin-K antagonist or not receiving anticoagulation therapy. This allowed construction of a network meta-analysis to indirectly compare outcomes between "reversed" and "non-reversed" DOAC patients. With respect to "watch and wait"/"time-reversal", a cut-off time to surgery of 36 hours was used to distinguish between "time-reversed" and "non time-reversed" DOAC patients. The primary outcome was early/inpatient mortality, reported as Odds Ratios (OR). RESULTS No studies investigating plasma products or reversal agents specifically in hip fracture patients were obtained. Fourteen studies were suitable for analysis of "watch and wait"/"time- reversal". Two studies directly compared "time-reversed" and "non time-reversed" DOAC-taking hip fracture patients (58 "time-reversed", 62 "non time-reversed"). From 12 other studies we used indirect comparisons between "time-reversed" and "non time-reversed" DOAC patients (total, 357 "time-reversed", 282 "non time-reversed"). We found no statistically significant differences in mortality outcomes between "time-reversal" and "non time-reversal" (OR 1.48 [95%CI: 0.29-7.53]). We also did not find a statistically significant difference between "time reversal" and "non time-reversal" in terms of blood transfusion requirements (OR 1.16 [95% CI 0.42-3.23]). However, several authors described that surgical delay is associated with worse outcomes related to prolonged hospitalisation, and that operating within 36 hours is safe. CONCLUSIONS We suggested against "watch and wait" to reverse the DOAC effect in hip fractures. Further work is required to assess the optimal timing for surgery as well as the use of plasma products or specific antidotes in DOAC-taking hip fracture patients.
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Affiliation(s)
- H M F Alcock
- Academic Clinical Fellow, Anaesthesia and Critical Care, Division of Clinical Neuroscience, University of Nottingham, UK
| | - S K Nayar
- Trauma and Orthopaedic Surgical Registrar, Centre for Trauma Sciences, Blizzard Institute, Queen Mary University of London, UK
| | - I K Moppett
- Professor and Consultant Anaesthetist, Anaesthesia and Critical Care, Division of Clinical Neuroscience, University of Nottingham, UK Department of Anaesthesia, Nottingham University Hospitals, UK.
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Matarese M, Cervino G, Fiorillo L, Stelitano C, Imbesi Bellantoni M, Meto A, Greco Lucchina A, Tornello FA, Runci Anastasi M, Rengo C. A cohort study on anticoagulant therapy risks in dental patients after multiple extractions. Minerva Dent Oral Sci 2021; 70:196-205. [PMID: 34842406 DOI: 10.23736/s2724-6329.21.04551-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
BACKGROUND Due to technology and pharmaceutical science and increasing life expectancy, the patient population is continuously aging. Patients requiring dental extractions often have systemic and/or chronic diseases and are undergoing polypharmacologic therapy. Oral surgeons often interface with patients who perform anticoagulant therapy. The main aim of this study was to clarify what the contraindications and short-/long-term complications may be. METHODS A sample of 298 patients (mean age 58 years) who required multiple surgical dental extractions has been taken in consideration. Patients were divided into groups and subgroups according to the anticoagulant drug therapy. RESULTS Long-term complications represented variable bleeding between groups from 8 hours to 7 days after surgery. The One-Way ANOVA Test was used to compare the results between groups. Patients treated with direct oral anticoagulants showed fewer intraoperative problems, but further studies and further collaboration between doctors, cardiologists and oral dentists/surgeons are certainly needed to manage these patients in a predictable manner. CONCLUSIONS This study showed that using direct oral anticoagulants drugs results in few intraoperative bleeding, less postoperative hemorrhagic complications, and an easier administration of the drugs respect vitamin K antagonists, with mild and manageable complications.
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Affiliation(s)
- Marco Matarese
- School of Dentistry, Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino Polyclinic, University Hospital of Messina, Messina, Italy
- IRCCS Centro Neurolesi "Bonino-Pulejo, " Messina, Italy
| | - Gabriele Cervino
- School of Dentistry, Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino Polyclinic, University Hospital of Messina, Messina, Italy
| | - Luca Fiorillo
- School of Dentistry, Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino Polyclinic, University Hospital of Messina, Messina, Italy -
- Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, Luigi Vanvitelli University of Campania, Naples, Italy
| | - Carmelo Stelitano
- School of Dentistry, Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino Polyclinic, University Hospital of Messina, Messina, Italy
| | - Martina Imbesi Bellantoni
- School of Dentistry, Department of Biomedical and Dental Sciences, Morphological and Functional Images, G. Martino Polyclinic, University Hospital of Messina, Messina, Italy
| | - Aida Meto
- Department of Dental Therapy, Faculty of Dental Medicine, University of Medicine, Tirana, Albania
| | | | | | - Michele Runci Anastasi
- IRCCS Centro Neurolesi "Bonino-Pulejo, " Messina, Italy
- Department of Maxillo-Facial Surgery, Sapienza University, Rome, Italy
| | - Carlo Rengo
- Department of Prosthodontics and Dental Materials, University of Siena, Siena, Italy
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Sheffy N, Tellem R, Bentov I. Anesthetic Challenges in Treating the Older Adult Trauma Patient: an Update. CURRENT ANESTHESIOLOGY REPORTS 2020. [DOI: 10.1007/s40140-020-00378-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Management of Head Trauma in the Neurocritical Care Unit. Neurocrit Care 2019. [DOI: 10.1017/9781107587908.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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8
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Boriani G, Fauchier L, Aguinaga L, Beattie JM, Blomstrom Lundqvist C, Cohen A, Dan GA, Genovesi S, Israel C, Joung B, Kalarus Z, Lampert R, Malavasi VL, Mansourati J, Mont L, Potpara T, Thornton A, Lip GYH, Gorenek B, Marin F, Dagres N, Ozcan EE, Lenarczyk R, Crijns HJ, Guo Y, Proietti M, Sticherling C, Huang D, Daubert JP, Pokorney SD, Cabrera Ortega M, Chin A. European Heart Rhythm Association (EHRA) consensus document on management of arrhythmias and cardiac electronic devices in the critically ill and post-surgery patient, endorsed by Heart Rhythm Society (HRS), Asia Pacific Heart Rhythm Society (APHRS), Cardiac Arrhythmia Society of Southern Africa (CASSA), and Latin American Heart Rhythm Society (LAHRS). Europace 2018; 21:7-8. [DOI: 10.1093/europace/euy110] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 04/26/2018] [Indexed: 02/05/2023] Open
Affiliation(s)
- Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
| | - Laurent Fauchier
- Centre Hospitalier Universitaire Trousseau et Université François Rabelais, Tours, France
| | | | - James M Beattie
- Cicely Saunders Institute, King’s College London, London, UK
| | | | | | - Gheorghe-Andrei Dan
- Cardiology Department, University of Medicine and Pharmacy “Carol Davila”, Colentina University Hospital, Bucharest, Romania
| | - Simonetta Genovesi
- Department of Medicine and Surgery, University of Milano-Bicocca, Milano and Nephrology Unit, San Gerardo Hospital, Monza, Italy
| | - Carsten Israel
- Evangelisches Krankenhaus Bielefeld GmbH, Bielefeld, Germany
| | - Boyoung Joung
- Cardiology Division, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Zbigniew Kalarus
- SMDZ in Zabrze, Medical University of Silesia, Katowice; Department of Cardiology, Silesian Center for Heart Diseases, Zabrze, Poland
| | | | - Vincenzo L Malavasi
- Cardiology Division, Department of Nephrologic, Cardiac, Vascular Diseases, Azienda ospedaliero-Universitaria di Modena, Modena, Italy
| | - Jacques Mansourati
- University Hospital of Brest and University of Western Brittany, Brest, France
| | - Lluis Mont
- Arrhythmia Section, Cardiovascular Clínical Institute, Hospital Clinic, Universitat Barcelona, Barcelona, Spain
| | - Tatjana Potpara
- School of Medicine, Belgrade University, Belgrade, Serbia
- Cardiology Clinic, Clinical Centre of Serbia, Belgrade, Serbia
| | | | - Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, UK
- Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | | | | | | | | | - Radosław Lenarczyk
- Department of Cardiology, Congenital Heart Disease and Electrotherapy, Silesian Center for Heart Diseases, Zabrze, Poland
| | - Harry J Crijns
- Cardiology Maastricht UMC+ and Cardiovascular Research Institute Maastricht, Netherlands
| | - Yutao Guo
- Chinese PLA General Hospital, Beijing, People’s Republic of China
| | - Marco Proietti
- Institute of Cardiovascular Sciences, University of Birmingham, UK
- Department of Internal Medicine and Medical Specialties, Sapienza-University of Rome, Rome, Italy
| | | | - Dejia Huang
- Cardiology Division, Department of Medicine, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | | | - Sean D Pokorney
- Electrophysiology Section, Division of Cardiology, Duke University, Durham, NC, USA
| | - Michel Cabrera Ortega
- Department of Arrhythmia and Cardiac Pacing, Cardiocentro Pediatrico William Soler, Boyeros, La Havana Cuba
| | - Ashley Chin
- Department of Medicine, Groote Schuur Hospital, University of Cape Town, South Africa
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9
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Management of the Trauma Patient on Direct Oral
Anticoagulants. CURRENT ANESTHESIOLOGY REPORTS 2018. [DOI: 10.1007/s40140-018-0253-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Barletta JF, Hall S, Sucher JF, Dzandu JK, Haley M, Mangram AJ. The impact of pre-injury direct oral anticoagulants compared to warfarin in geriatric G-60 trauma patients. Eur J Trauma Emerg Surg 2017; 43:445-449. [DOI: 10.1007/s00068-017-0772-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 02/08/2017] [Indexed: 01/27/2023]
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12
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Körber MK, Langer E, Köhr M, Wernecke KD, Korte W, von Heymann C. In vitro and ex vivo Measurement of Prophylactic Dabigatran Concentrations with a New Ecarin-Based Thromboelastometry Test. Transfus Med Hemother 2017; 44:100-105. [PMID: 28503126 DOI: 10.1159/000470622] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 03/16/2017] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND An increasing number of oral anticoagulants has been approved, including dabigatran etexilate (DE). DE is a direct thrombin inhibitor that requires no routine monitoring, but, if necessary (e.g. urgent surgery etc.), the diluted thrombin time measured with Hemoclot® has shown reliable results. So far, no point-of-care (PoC) assay is available to measure DE effects. The EcaTEM assay uses ecarin to initiate the coagulation cascade at the step of thrombin generation and measures the clotting time (CT) by thromboelastometry. METHODS This study investigated the correlation of the EcaTEM with standard laboratory assays in dabigatran-treated patients. Ten patients undergoing total hip or knee arthroplasty were included in the study. DE for thromboprophylaxis was started 4 h after surgery. Blood samples were taken before surgery as well as 2, 6 and 12 h after ingestion on the 3rd postoperative day. Dabigatran concentration (Hemoclot), activated partial thromboplastin time, thrombin time and CT EcaTEM were measured. RESULTS Only CT EcaTEM and Hemoclot showed a correlation > 0.75 for all measurements. CONCLUSION CT EcaTEM appears a valid PoC method parameter to detect thrombin inhibition and thus the presence of dabigatran beside diluted thrombin time at different concentration levels. This may represent an opportunity to identify the presence of dabigatran, e.g., in emergency situations.
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Affiliation(s)
- Mareike Kristina Körber
- Department of Anesthesiology and Intensive Care Medicine, Charité -Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
| | - Elisabeth Langer
- Labor Berlin - Charite Vivantes GmbH Berlin, Berlin, Germany.,Institute for Laboratory Medicine, Clinical Chemistry and Pathobiochemistry, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
| | - Martin Köhr
- Department of Anesthesiology and Intensive Care Medicine, Charité -Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
| | | | - Wolfgang Korte
- Center for Laboratory Medicine; and Hemostasis and Hemophilia Center St. Gallen, Switzerland
| | - Christian von Heymann
- Department of Anesthesiology and Intensive Care Medicine, Charité -Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany.,Department of Anesthesiology, Intensive Care Medicine, Emergency Medicine and Pain Therapy, Vivantes Netzwerk für Gesundheit GmbH, Klinikum im Friedrichshain, Berlin, Germany
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