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Ise H, Oyama K, Kunioka S, Shirasaka T, Kanda H, Akhyari P, Kamiya H. Hypothermic circulatory arrest does not induce coagulopathy in vitro. J Artif Organs 2022; 25:314-322. [PMID: 35303203 DOI: 10.1007/s10047-022-01324-5] [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: 09/15/2021] [Accepted: 03/03/2022] [Indexed: 11/27/2022]
Abstract
Hypothermic circulatory arrest (HCA) is an essential procedure during aortic surgery to protect organs; however, hypothermia is believed to cause coagulopathy, which is a major fatal complication. This study aimed to clarify the impact of hypothermia on coagulation by eliminating clinical biases in vitro. In the hypothermic storage study, blood samples from five healthy volunteers were stored at 37 ℃ (group N) for 3 h or at 20 ℃ for 2 h, followed by 1 h of rewarming at 37 ℃ (group H). Thromboelastography was performed before and after 3 h of storage. In the mock circulation loop (MCL) study, blood samples were placed in the MCL and (a) maintained at 37 ℃ for 4 h (group N, n = 5), or (b) cooled to 20 ℃ to simulate HCA with a 0.1 L/min flow rate for 3 h and then rewarmed to 37 ℃ (group H, n = 5). The total MCL duration was 4 h, and the flow rate was maintained at 1 L/min, except during HCA. Blood samples collected 15 min after the beginning and end of MCL were subjected to standard laboratory tests and rotational thromboelastometry analyses. Hypothermia had no impact on coagulation in both the hypothermic storage and MCL studies. MCL significantly decreased the platelet counts and clot elasticity in the INTEM and EXTEM assays; however, there was no effect on fibrinogen contribution measured by FIBTEM. Hypothermia does not cause irreversible coagulopathy in vitro; however, MCL decreases coagulation due to the deterioration of platelets.
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Affiliation(s)
- Hayato Ise
- Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan.,Department of Cardiovascular Surgery, Heinrich Heine University, Düsseldorf, Germany
| | - Kyohei Oyama
- Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan.
| | - Shingo Kunioka
- Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan
| | - Tomonori Shirasaka
- Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan
| | - Hirotsugu Kanda
- Department of Anesthesiology and Critical Care Medicine, Asahikawa Medical University, Asahikawa, Japan
| | - Payam Akhyari
- Department of Cardiovascular Surgery, Heinrich Heine University, Düsseldorf, Germany
| | - Hiroyuki Kamiya
- Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka-Higashi 2-1-1-1, Asahikawa, Hokkaido, 078-8510, Japan
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Eyileten C, Soplinska A, Pordzik J, Siller‐Matula JM, Postuła M. Effectiveness of Antiplatelet Drugs Under Therapeutic Hypothermia: A Comprehensive Review. Clin Pharmacol Ther 2019; 106:993-1005. [DOI: 10.1002/cpt.1492] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 04/12/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Ceren Eyileten
- Department of Experimental and Clinical PharmacologyCenter for Preclinical Research and Technology CEPTMedical University of Warsaw Warsaw Poland
| | - Aleksandra Soplinska
- Department of Experimental and Clinical PharmacologyCenter for Preclinical Research and Technology CEPTMedical University of Warsaw Warsaw Poland
| | - Justyna Pordzik
- Department of Experimental and Clinical PharmacologyCenter for Preclinical Research and Technology CEPTMedical University of Warsaw Warsaw Poland
| | | | - Marek Postuła
- Department of Experimental and Clinical PharmacologyCenter for Preclinical Research and Technology CEPTMedical University of Warsaw Warsaw Poland
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DeAngelis MC, Green MS. Anesthesia for Aortic Surgery. Anesthesiology 2018. [DOI: 10.1007/978-3-319-74766-8_9] [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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Correlation between laboratory coagulation testing and thromboelastometry is modified during management of trauma patients. J Trauma Acute Care Surg 2017; 81:319-27. [PMID: 27192467 DOI: 10.1097/ta.0000000000001109] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Thromboelastometry (ROTEM, Pentapharm GmbH, Munich, Germany) is increasingly being used to make a diagnosis of coagulopathy and to guide hemostatic therapy (HT). Although ROTEM parameters and standard laboratory test (SLT) correlated well before administration of HT, it is not known if this correlation persists after hemostatic resuscitation. METHODS A retrospective analysis of prospectively collected data from a trauma registry (2011-2014) was performed. All patients having a ROTEM analysis were included. ROTEM parameters (clotting time and clot amplitude at 5 minutes) were determined after activation with tissue factor (EXTEM) or platelet inhibition with cytochalasin D (FIBTEM). Spearman rank correlation coefficient was calculated for the correlation between SLT and thromboelastometry parameters, and thresholds were determined with receiver operating characteristic (ROC) curve analysis for the diagnosis of an international normalized ratio (INR) greater than 1.5, fibrinogen 1.5 g/L or less, and platelet count of less than 100.10/L. RESULTS Of the 358 patients included, 533 thromboelastometry results were obtained (335 at admission, 198 during care). Correlation between INR and EXTEM-clotting time was good at admission (r = 0.617) in the whole cohort but decreased in the subgroup of patients having an Injury Severity Score of less than 25 (r = 0.399) or a base excess of less than 6 mmol/L (r = 0.489). During care, correlation was impaired after the administration of fibrinogen concentrates in the whole cohort (r = 0.430), as well as in the subgroup of patients having an Injury Severity Score greater than 24 (r = 0.465). As well, for the diagnosis of increased INR, sensitivity and the area under the ROC curve decreased from 75% and 0.894 (no treatment) to 20% and 0.653 (fibrinogen concentrate). Areas under the ROC curve for the prediction of a fibrinogen or platelet decrease were not significantly altered regardless of the treatment group. CONCLUSIONS A decrease in the correlation between SLTs and ROTEM parameters was observed at admission or during care, which could be in relation with injury severity, base deficit, or the administration of blood products, particularly fibrinogen concentrate. Further work will be necessary to better understand which tool is the most suitable for guiding HT. LEVEL OF EVIDENCE Therapeutic study, level IV; diagnostic study, level IV.
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Gastric Mucosal Petechial Hemorrhages (Wischnewsky Lesions), Hypothermia, and Diabetic Ketoacidosis. ACTA ACUST UNITED AC 2016; 37:165-9. [DOI: 10.1097/paf.0000000000000248] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Pérez-Ferrer A, Navarro-Suay R, Viejo-Llorente A, Alcaide-Martín MJ, de Vicente-Sánchez J, Butta N, de Prádena Y Lobón JM, Povo-Castilla J. In vitro thromboelastometric evaluation of the efficacy of frozen platelet transfusion. Thromb Res 2015; 136:348-53. [PMID: 26058942 DOI: 10.1016/j.thromres.2015.05.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 05/03/2015] [Accepted: 05/30/2015] [Indexed: 01/18/2023]
Abstract
BACKGROUND Although frozen platelets are extensively used in remote locations and military environments, scientific evidence of their efficacy is scarce. The objective of this study was to evaluate the in vitro hemostatic efficacy of frozen versus fresh platelet transfusions by rotational thromboelastometry (ROTEM) to ascertain whether the freezing and thawing process impaired platelet contribution to clot strength. METHODS An experimental study was performed using platelet in vitro transfusions. Blood samples were collected from 12 patients with non-autoimmune thrombocytopenia. The samples were each transfused with one of 6 pairs of fresh platelet concentrates and platelet concentrates frozen with dimethylsulfoxyde. Optical platelet counts, coagulation studies and ROTEM (EXTEM and FIBTEM) were performed for the baseline and the post-transfusion samples. RESULTS Only fresh platelet transfusions significantly increased the EXTEM maximum clot firmness (MCF) and maximum clot elasticity (MCE) over baseline (p<0.001), achieving values within the normal range. The frozen platelet contribution to MCE was negligible. However, the EXTEM clotting time (CT) was significantly (p<0.001) shorter after the frozen platelet transfusion compared with the fresh platelet transfusion. The EXTEM clot formation time (CFT) was significantly shortened after the transfusion of fresh platelets (p=0.002). CONCLUSION The ROTEM analysis assessment indicates a dual effect in frozen platelet transfusion: it produces a hypercoagulable state (shortening of CT), and a second, more predominant effect of frozen platelets' functionality impairment compared with fresh platelets (shorter MCF/MCE and longer CFT).
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Affiliation(s)
- Antonio Pérez-Ferrer
- Department of Anaesthesia and Intensive Care, La Paz University Hospital, Madrid, Spain.
| | - Ricardo Navarro-Suay
- CMS, Department of Anaesthesia and Intensive Care, Central Hospital of Defence Gómez Ulla, IMIDEF, Madrid, Spain
| | | | | | | | - Nora Butta
- Haematology Department, La Paz University Hospital, IdiPaz, Madrid, Spain
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Durila M, Lukáš P, Astraverkhava M, Vymazal T. Evaluation of fibrinogen concentrates and prothrombin complex concentrates on coagulation changes in a hypothermic in vitro model using thromboelastometry and thromboelastography. Scand J Clin Lab Invest 2015; 75:407-14. [PMID: 25892117 DOI: 10.3109/00365513.2015.1031694] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Hypothermic coagulopathy is very challenging in bleeding trauma patients. Therefore, we decided to evaluate the efficacy of fibrinogen and prothrombin complex in 30°C hypothermia in vitro to investigate if higher levels of fibrinogen and prothrombin complex concentrate can compensate for the hypothermic effect on coagulation as measured by thromboelastometry/thromboelastography. METHODS Blood samples were obtained from 12 healthy volunteers (six men and six women) in our study. Measurements were performed at 37°C and 30°C simultaneously, then at 30°C with adding fibrinogen and prothrombin complex and in the last step samples with added coagulation factors were warmed back to 37°C. RESULTS We found that 30°C hypothermic coagulopathy can be detected both by thromboelastometry and thromboelastography. Hypothermic coagulopathy can be restored by fibrinogen to the point where the results do not significantly differ from 37°C values (p > 0.05). After warming the sample with fibrinogen to 37°C, the thrombodynamic potential index was not significantly different from baseline (p > 0.05), although there was a trend to prothrombotic status. The addition of prothrombin complex concentrate to 30°C hypothermic sample was not able to correct hypothermic coagulopathy in vitro. CONCLUSIONS Coagulopathy caused by the 30°C hypothermia in vitro model can be corrected by fibrinogen concentrate compared to prothrombin complex concentrate. In spite of a tendency to prothrombotic status, this was not significant with the use of the recommended dose of fibrinogen even after warming the blood to 37°C. However, measurement performed at 37°C seems to be safer than at 30°C.
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Affiliation(s)
- Miroslav Durila
- Department of Anaesthesiology and Intensive Care Medicine, Second Faculty of Medicine, Charles University in Prague, Motol University Hospital , Prague , Czech Republic
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Winstedt D, Thomas OD, Nilsson F, Olanders K, Schött U. Correction of hypothermic and dilutional coagulopathy with concentrates of fibrinogen and factor XIII: an in vitro study with ROTEM. Scand J Trauma Resusc Emerg Med 2014; 22:73. [PMID: 25510409 PMCID: PMC4272532 DOI: 10.1186/s13049-014-0073-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Accepted: 11/26/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Fibrinogen concentrate treatment can improve coagulation during massive traumatic bleeding. The aim of this in vitro study was to determine whether fibrinogen concentrate, or a combination of factor XIII and fibrinogen concentrates, could reverse a haemodilution-induced coagulopathy during hypothermia. METHODS Citrated venous blood from 10 healthy volunteers was diluted in vitro by 33% with 130/0.42 hydroxyethyl starch (HES) or Ringer's acetate (RAc). The effects of fibrinogen concentrate corresponding to 4 gram per 70 kg, or a combination of the same dose of fibrinogen with factor XIII (20 IU per kg), were measured using rotational thromboelastometry (ROTEM). The blood was analysed at 33°C or 37°C with ROTEM EXTEM and FIBTEM reagents. Clotting time (CT), clot formation time (CFT), alpha angle (AA) and maximal clot formation (MCF) were recorded. RESULTS Fibrinogen with or without factor XIII improved all ROTEM parameters in either solution irrespective of temperature, with the exception of EXTEM-AA and EXTEM-CFT in HES haemodilution. Fibrinogen increased FIBTEM-MCF more in the samples diluted with RAc than HES, particularly in presence of factor XIII. CONCLUSIONS Fibrinogen improved in vitro haemodilution-induced coagulopathy at both 33°C and 37°C, though more efficiently after crystalloid than HES haemodilution. Factor XIII had an additional effect on FIBTEM-MCF, but only after crystalloid dilution.
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Affiliation(s)
- Dag Winstedt
- Faculty of Medicine, Lund University, Lund, Sweden.
- Department of Anaesthesia and Intensive Care, Skåne University Hospital Lund, Lund, 221 85, Sweden.
| | - Owain D Thomas
- Faculty of Medicine, Lund University, Lund, Sweden.
- Department of Paediatric Anaesthesia and Intensive Care, Skåne University Hospital Lund, Lund, 221 85, Sweden.
| | - Fredrik Nilsson
- Research and Development Centre, Skåne, Skåne University Hospital Lund, Lund, 221 85, Sweden.
| | - Knut Olanders
- Faculty of Medicine, Lund University, Lund, Sweden.
- Department of Anaesthesia and Intensive Care, Skåne University Hospital Lund, Lund, 221 85, Sweden.
| | - Ulf Schött
- Faculty of Medicine, Lund University, Lund, Sweden.
- Department of Anaesthesia and Intensive Care, Skåne University Hospital Lund, Lund, 221 85, Sweden.
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Stockmann H, Krannich A, Schroeder T, Storm C. Therapeutic temperature management after cardiac arrest and the risk of bleeding: systematic review and meta-analysis. Resuscitation 2014; 85:1494-503. [PMID: 25132475 DOI: 10.1016/j.resuscitation.2014.07.018] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 07/23/2014] [Accepted: 07/27/2014] [Indexed: 10/24/2022]
Abstract
AIM Prognosis after cardiac arrest in the era of modern critical care is still poor with a high mortality of approximately 90%. Around 30% of the survivors have neurological impairments. Targeted temperature management (TTM) is the only treatment option which can improve mortality and neurological outcome. It is so far unclear if bleeding complications occur more often in patients undergoing TTM treatment. METHODS We conducted a systematic literature research in September 2013 including three major databases i.e. MEDLINE, EMBASE and CENTRAL. All studies were rated in respect to the ILCOR Guidelines and concerning their level of evidence and quality. We then performed a meta-analysis on bleeding disposition under TTM. RESULTS We initially found 941 studies out of which 34 matched our requirements and were thus included in our overview. Five studies including 599 patients were summarized in a meta-analysis concerning bleeding complications of all severities. There was a trend toward higher bleeding in patients treated with TTM (RR: 1.30, 95% CI: 0.97-1.74) which did not reach significance (p=0.085). Seven studies with an overall 599 patients were included in our meta-analysis on bleeding requiring transfusion. There was no significant difference in the incidence of severe bleeding with a risk ratio of 0.97 (95% CI: 0.61-1.56, p=0.909). CONCLUSIONS The data included in our meta-analysis indicate that, concerning the risk of bleeding, TTM is a safe method for patients after cardiac arrest. We did not observe a significantly higher risk for bleeding in patients undergoing TTM.
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Affiliation(s)
- Helena Stockmann
- Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Department of Nephrology and Medical Intensive Care Medicine, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Alexander Krannich
- Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Coordination Center for Clinical Trials, Department of Biostatistics, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Tim Schroeder
- Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Department of Nephrology and Medical Intensive Care Medicine, Augustenburger Platz 1, 13353 Berlin, Germany
| | - Christian Storm
- Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Department of Nephrology and Medical Intensive Care Medicine, Augustenburger Platz 1, 13353 Berlin, Germany
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Abstract
Abstract
Cardiac arrest and its treatment options are frequently associated with significant derangements in coagulation. This review article highlights coagulopathies commonly encountered in cardiac arrest and during treatment with hypothermia, thrombolysis, and extracorporeal membrane oxygenation.
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