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Chanthong S, Choed-Amphai C, Manowong S, Tuntivate P, Tansriratanawong S, Makonkawkeyoon K, Natesirinilkul R. Rotational Thromboelastometry and Clot Waveform Analysis as Point-of-Care Tests for Diagnosis of Disseminated Intravascular Coagulation in Critically Ill Children in Thailand. Pediatr Crit Care Med 2024; 25:e221-e231. [PMID: 38299935 DOI: 10.1097/pcc.0000000000003452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
OBJECTIVES This study aimed to determine the test performances of rotational thromboelastometry (ROTEM) and activated partial thromboplastin time-based clot waveform analysis (aPTT-CWA) compared with the International Society on Thrombosis and Hemostasis disseminated intravascular coagulation (ISTH-DIC) score for diagnosis of overt disseminated intravascular coagulation (ODIC) in critically ill children. Prognostic indicators of DIC complications were also evaluated. DESIGN A prospective cross-sectional observational study was conducted. ROTEM and aPTT-CWA were assessed alongside standard parameters based on the ISTH-DIC score and natural anticoagulants. Both conventional and global hemostatic tests were repeated on days 3-5 for nonovert DIC. SETTING PICU of the Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand. SUBJECTS Infants and children who were admitted to PICU with underlying diseases predisposed to DIC, such as sepsis, malignancy, major surgery, trauma, or severe illness, were included in the study between July 1, 2021, and November 30, 2022. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Sixty-four children were enrolled in this study. The prevalence of ODIC was 20.3%. Regarding ROTEM parameters, using EXTEM clot formation time (CFT) cutoff of greater than 102 seconds provided sensitivity and specificity of 90.9% and 80.9%, respectively, for diagnosing ODIC, with the area under the curve (AUC) of 0.86. In the case of aPTT-CWA performance, no biphasic waveform was observed, whereas both maximum coagulation acceleration (Min2) of less than 0.35%/s 2 and maximum coagulation deceleration of less than 0.25%/s 2 demonstrated identical sensitivities of 76.9% and specificities of 79.6%. Combining two global hemostatic tests significantly improved the diagnostic performance (INTEM CFT + EXTEM CFT + Min2 AUC 0.92 [95% CI, 0.80-1.00] vs. EXTEM CFT AUC 0.86 [95% CI, 0.75-0.96], p = 0.034). Bleeding was the most common consequence. In multivariable logistic regression analysis, Min2 of less than 0.36%/s 2 was an independent risk factor for bleeding complications, with an adjusted odds ratio of 15.08 (95% CI, 1.08-211.15, p = 0.044). CONCLUSIONS ROTEM and aPTT-CWA were valuable diagnostic tools in critically ill children who might require point-of-care tests. Min2 showed significant clinical implications for predicting bleeding events in this population.
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Affiliation(s)
- Supapitch Chanthong
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Chane Choed-Amphai
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Suphara Manowong
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Pakinee Tuntivate
- Hematology Laboratory, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | | | - Krit Makonkawkeyoon
- Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Kim SM, Sohn CH, Kwon H, Ryoo SM, Ahn S, Seo DW, Kim WY. Prognostic Role of Initial Thromboelastography in Emergency Department Patients with Primary Postpartum Hemorrhage: Association with Massive Transfusion. J Pers Med 2024; 14:422. [PMID: 38673049 PMCID: PMC11050950 DOI: 10.3390/jpm14040422] [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: 03/25/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND The early prediction of the need for massive transfusions (MTs) and the preparation of blood products are essential for managing patients with primary postpartum hemorrhage (PPH). Thromboelastography (TEG) enables a thorough evaluation of coagulation status and is useful for guiding the treatment of hemorrhagic events in various diseases. We investigated the role of TEG in predicting the need for MT in patients with primary PPH. METHODS A retrospective observational study was conducted in the emergency department (ED) of a university-affiliated, tertiary referral center between November 2015 and August 2023. TEG was performed upon admission. We defined MT as the requirement for transfusion of more than 10 units of packed red blood cells within the first 24 h. The primary outcome was the need for MT. RESULTS Among the 184 patients with initial TEG, 34 (18.5%) required MT. Except for lysis after 30 min, the MT and non-MT groups had significantly different TEG values. Based on multivariate analysis, an angle < 60 was an independent predictor of MT (odds ratio (OR) 7.769; 95% confidence interval (CI), 2.736-22.062), along with lactate (OR, 1.674; 95% CI, 1.218-2.300) and shock index > 0.9 (OR, 4.638; 95% CI, 1.784-12.056). Alpha angle < 60 degrees indicated the need for MT with 73.5% sensitivity, 72.0% specificity, and 92.3% negative predictive value. CONCLUSIONS Point-of-care testing of TEG has the potential to be a useful tool in accurately predicting the necessity for MT in ED patients with primary PPH at an early stage.
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Affiliation(s)
| | - Chang Hwan Sohn
- Department of Emergency Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul 05519, Republic of Korea; (S.M.K.); (H.K.); (S.M.R.); (S.A.); (D.W.S.); (W.Y.K.)
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Sepsis-Induced Coagulopathy: An Update on Pathophysiology, Biomarkers, and Current Guidelines. Life (Basel) 2023; 13:life13020350. [PMID: 36836706 PMCID: PMC9961497 DOI: 10.3390/life13020350] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 02/03/2023] Open
Abstract
Significant cross talk occurs between inflammation and coagulation. Thus, coagulopathy is common in sepsis, potentially aggravating the prognosis. Initially, septic patients tend to exhibit a prothrombotic state through extrinsic pathway activation, cytokine-induced coagulation amplification, anticoagulant pathways suppression, and fibrinolysis impairment. In late sepsis stages, with the establishment of disseminated intravascular coagulation (DIC), hypocoagulability ensues. Traditional laboratory findings of sepsis, including thrombocytopenia, increased prothrombin time (PT) and fibrin degradation products (FDPs), and decreased fibrinogen, only present late in the course of sepsis. A recently introduced definition of sepsis-induced coagulopathy (SIC) aims to identify patients at an earlier stage when changes to coagulation status are still reversible. Nonconventional assays, such as the measurement of anticoagulant proteins and nuclear material levels, and viscoelastic studies, have shown promising sensitivity and specificity in detecting patients at risk for DIC, allowing for timely therapeutic interventions. This review outlines current insights into the pathophysiological mechanisms and diagnostic options of SIC.
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Breel JS, Wensing AGCL, Eberl S, Preckel B, Schober P, Müller MCA, Klautz RJM, Hollmann MW, Hermanns H. Patients with infective endocarditis undergoing cardiac surgery have distinct ROTEM profiles and more bleeding complications compared to patients without infective endocarditis. PLoS One 2023; 18:e0284329. [PMID: 37053130 PMCID: PMC10101476 DOI: 10.1371/journal.pone.0284329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/28/2023] [Indexed: 04/14/2023] Open
Abstract
BACKGROUND The coagulation system is crucial in the pathogenesis of infective endocarditis and undergoes significant changes during course of the disease. However, little is known about the implications of those changes in the perioperative period. Aim of the present study was to delineate the specific coagulation patterns and their clinical consequence in patients undergoing cardiac surgery due to infective endocarditis. METHODS In this single-centre, exploratory, prospective observational study, we investigated the incidence and degree of coagulopathy in patients with (n = 31) and without infective endocarditis (n = 39) undergoing cardiac valve surgery. The primary outcome was the differences between these two groups in rotational thromboelastometry (ROTEM) results before, during and after surgery. The secondary outcomes were the differences between the groups in heparin sensitivity, bleeding complications, and transfusion requirements. RESULTS Most ROTEM parameters in EXTEM, INTEM and FIBTEM assays were significantly altered in patients with infective endocarditis. Clotting time in the EXTEM assay was significantly prolonged in the endocarditis group at all time-points, while all clot firmness parameters (A5, A10 and MCF) were significantly increased. The heparin sensitivity index was significantly lower in the endocarditis group (median index 0.99 vs 1.17s. IU-1.kg-1, p = .008), indicating increased heparin resistance. Patients with infective endocarditis had more bleeding complications as assessed by the universal definition of perioperative bleeding score (OR 3.0, p = .018), and more patients with endocarditis underwent early re-exploration (p = .018). CONCLUSIONS The findings of this exploratory investigation show significantly altered coagulation profiles in patients with infective endocarditis, with concomitant hyper- and hypocoagulability. Furthermore, the incidence of bleeding complications and transfusion requirements were increased in patients with endocarditis. These results show the potential of ROTEM to detect coagulation abnormalities in patients with infective endocarditis. Existing point-of-care coagulation testing guided algorithms for optimizing perioperative coagulation management possibly need to be adjusted for these high-risk patients undergoing cardiac surgery.
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Affiliation(s)
- Jennifer S Breel
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Agnes G C L Wensing
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Susanne Eberl
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Benedikt Preckel
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Patrick Schober
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Marcella C A Müller
- Department of Intensive Care, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Robert J M Klautz
- Department of Cardiac Surgery, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Markus W Hollmann
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
| | - Henning Hermanns
- Department of Anaesthesiology, Amsterdam University Medical Centres, Amsterdam, the Netherlands
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Qiao Y, Lu X. Thromboelastography Parameters in Urosepsis: A Retrospective Study. CONTRAST MEDIA & MOLECULAR IMAGING 2022; 2022:9142489. [PMID: 36072616 PMCID: PMC9402385 DOI: 10.1155/2022/9142489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 12/05/2022]
Abstract
Thromboelastography (TEG) is usually used to monitor coagulation disorder clinically. It is unclear whether TEG has association with urosepsis and sepsis-induced coagulopathy (SIC). The purpose of this study was to investigate the clinical significance of TEG parameters in urosepsis. 90 patients who were admitted to the Emergency Ward and Emergency Intensive Care Unit (EICU) of Ren Ji Hospital affiliated to Shanghai Jiao Tong University School of Medicine due to urinary infection from February 2014 to February 2022 were retrospectively studied. Urosepsis patients and non-sepsis patients were separately investigated according to the final discharge diagnosis and Sepsis 3.0. At the same time, patients with urosepsis were further divided into groups of SIC and non-SIC based on the definition of SIC. The data of clinical features, laboratory biomarkers, and TEG parameters were collected and analyzed. There were significant differences in white blood cell count, C-reactive protein (CRP), platelet count, procalcitonin (PCT), fibrinogen (FIB), international normalized ratio (INR), prothrombin time (PT), D-dimer, and incidence of urinary tract obstruction between the urosepsis group and non-sepsis group (P < 0.05). In the comparison with non-sepsis group, K value was significantly lower (P = 0.006), while α-angle (P = 0.003) and clot index (CI) (P = 0.048) were significantly higher in urosepsis group. The area under the K value curve excluding urosepsis was 0.667. The areas under CI and α-angle curves for diagnosing urosepsis were 0.682 and 0.621, respectively. The patients in SIC group had significantly higher K value, lower α-angle, and maximum amplitude (MA) than those in non-SIC group (P < 0.05). Coagulopathy is prone to occur in patients with urosepsis. TEG is helpful for assessment of hypercoagulable state in urosepsis and prediction of hypocoagulability in SIC patients implying the dynamic process of DIC.
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Affiliation(s)
- Yun Qiao
- Department of Emergency Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Xiaoye Lu
- Department of Emergency Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
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Which Septic Shock Patients With Non-Overt DIC Progress to DIC After Admission? Point-of-Care Thromboelastography Testing. Shock 2022; 57:168-174. [PMID: 35025842 DOI: 10.1097/shk.0000000000001847] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Disseminated intravascular coagulation (DIC) is a life-threatening complication of septic shock; however, risk factors for its development after admission are unknown. Thromboelastography (TEG) can reflect coagulation disturbances in early non-overt DIC that are not detected by standard coagulation tests. This study investigated the risk factors including TEG findings as early predictors for DIC development after admission in septic shock patients with non-overt DIC. METHODS This retrospective observation study included 295 consecutive septic shock patients with non-overt DIC at admission between January 2016 and December 2019. DIC was defined as an International Society on Thrombosis and Hemostasis (ISTH) score ≥ 5. The primary outcome was non-overt DIC at admission that met the ISTH DIC criteria within 3 days after admission. RESULTS Of the 295 patients with non-overt DIC, 89 (30.2%) developed DIC after admission. The DIC group showed a higher ISTH score and 28-day mortality rate than the non-DIC group (2 vs. 3, P < 0.001; 13.6% vs. 27.0%, P = 0.008, respectively). The DIC rate increased with the ISTH score (7.7%, 13.3%, 15.8%, 36.5%, and 61.4% for scores of 0, 1, 2, 3, and 4, respectively). Among TEG values, the maximum amplitude (MA) was higher in the non-DIC group (P < 0.001). On multivariate analysis, an MA < 64 mm was independently associated with DIC development (odds ratio, 2.311; 95% confidence interval, 1.298-4.115). CONCLUSIONS DIC more often developed among those with admission ISTH scores ≥ 3 and was associated with higher mortality rates. An MA < 64 mm was independently associated with DIC development in septic shock patients.
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Fibrinolytic Impairment and Mortality in Pediatric Septic Shock: A Single-Center Prospective Observational Study. Pediatr Crit Care Med 2021; 22:969-977. [PMID: 33965991 DOI: 10.1097/pcc.0000000000002759] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Fibrinolytic shutdown is associated with poor prognosis in adult sepsis, but data in the pediatric population are sparse. This study aimed to identify the association between impaired fibrinolysis and mortality in pediatric septic shock. DESIGN A prospective, observational study conducted between August 2019 and August 2020. SETTING PICU at a pediatric tertiary hospital in Hanoi, Vietnam. PATIENTS Fifty-six pediatric patients who met septic shock criteria were enrolled. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Conventional coagulation tests and rotational thromboelastometry were performed at diagnosis. The fibrinolytic activity on extrinsic pathway thromboelastometry was negatively correlated with the Vasoactive-Inotropic Score at 24 hours post-PICU admission, peak lactate level during the first 24 hours, Pediatric Logistic Organ Dysfunction-2 score, and Pediatric Risk of Mortality-III score (all p < 0.05). Compared with patients with nonovert disseminated intravascular coagulation, dysfunction of less than two organs, and who survived, patients with overt disseminated intravascular coagulation, dysfunction of greater than two organs, and who died showed significantly lower fibrinolytic activity, represented by significantly higher lysis indexes (%) and lower maximum lysis (%) (all p < 0.05). The threshold values for prediction of mortality were lysis index 60 minutes greater than 97.5 (area under the curve = 0.86; sensitivity = 73%; specificity = 90%), maximum lysis less than 6.5 (area under the curve = 0.83; sensitivity = 73%; specificity = 87%), and lysis index 45 minutes greater than 99.5 (area under the curve = 0.83; sensitivity = 73%; specificity = 85%). Hypofibrinolysis was associated with prolonged PICU length of stay in survivors and with early mortality in nonsurvivors. CONCLUSIONS Fibrinolytic shutdown in pediatric septic shock is associated with an increase in disease severity and mortality. This highlights the need for further investigations regarding whether fibrinolytic therapy improved the outcome of pediatric septic shock.
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Larsen JB, Hvas AM. Fibrinolytic Alterations in Sepsis: Biomarkers and Future Treatment Targets. Semin Thromb Hemost 2021; 47:589-600. [PMID: 33878784 DOI: 10.1055/s-0041-1725096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Sepsis is a life-threatening condition which develops as a dysregulated immune response in the face of infection and which is associated with profound hemostatic disturbances and in the most extreme cases disseminated intravascular coagulation (DIC). In addition, the fibrinolytic system is subject to alterations during infection and sepsis, and impaired fibrinolysis is currently considered a key player in sepsis-related microthrombus formation and DIC. However, we still lack reliable biomarkers to assess fibrinolysis in the clinical setting. Furthermore, drugs targeting the fibrinolytic system have potential value in sepsis patients with severe fibrinolytic disturbances, but these are still being tested in the preclinical stage. The present review provides an overview of key fibrinolytic changes in sepsis, reviews the current literature on potential laboratory markers of altered fibrinolysis in adult sepsis patients, and discusses future perspectives for diagnosis and treatment of fibrinolytic disturbances in sepsis patients.
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Affiliation(s)
- Julie Brogaard Larsen
- Thrombosis and Haemostasis Research Unit, Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark
| | - Anne-Mette Hvas
- Thrombosis and Haemostasis Research Unit, Department of Clinical Biochemistry, Aarhus University Hospital, Aarhus, Denmark.,Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Standard and derived rotational thromboelastometry parameters for prediction of disseminated intravascular coagulation in septic patients. Blood Coagul Fibrinolysis 2021; 31:317-323. [PMID: 32398464 DOI: 10.1097/mbc.0000000000000919] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
: Waiting for lab tests results for the calculation of disseminated intravascular coagulation (DIC) scores leads to unwanted delays in diagnosis. The use of rotational thromboelastometry (ROTEM) for this purpose would allow for a more rapid DIC diagnosis at the bedside. The aim of this study was to assess the ability of standard ROTEM parameters and calculated parameters from the ROTEM velocity curve to predict DIC. The retrospective observational study included 97 septic patients. Japanese Association for Acute Medicine score was used for DIC diagnosis and whole-blood ROTEM was performed at study inclusion. Univariate analysis revealed delayed coagulation initiation and propagation and reduced clot firmness and maximum elasticity in DIC patients compared with patients without DIC. To adjust for confounders, multivariable logistic regression models were created and fibrinogen levels, prothrombin time and ROTEM parameters such as maximum clot firmness, maximum clot elasticity (MCE) and total thrombus formation [area under the curve (AUC)] were identified as significant predictors of DIC. According to receiver operating characteristics analysis, MCE and total thrombus formation (AUC) were the most useful ROTEM parameters for DIC prediction. MCE less than 158 (73% sensitive, 80% specific) and AUC less than 6175 mm × 100 (73% sensitive, 76% specific) predicted DIC in septic patients. Both standard and derived ROTEM parameters are useful for rapid DIC prediction in septic patients, allowing the timely identification of patients with higher mortality risk which might benefit from additional therapies. Further studies are needed to assess the clinical relevance of these findings.
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Hu YL, McRae HL, Refaai MA. Efficacy of viscoelastic hemostatic assay testing in patients with sepsis-induced disseminated intravascular coagulation. Eur J Haematol 2021; 106:873-875. [PMID: 33682140 DOI: 10.1111/ejh.13617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 11/26/2022]
Affiliation(s)
- Yue Lin Hu
- Department of Pathology and Laboratory Medicine, Transfusion Medicine Division, University of Rochester Medical Center, Rochester, NY, USA
| | - Hannah L McRae
- Department of Pathology and Laboratory Medicine, Transfusion Medicine Division, University of Rochester Medical Center, Rochester, NY, USA
| | - Majed A Refaai
- Department of Pathology and Laboratory Medicine, Transfusion Medicine Division, University of Rochester Medical Center, Rochester, NY, USA
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Hypercoagulability and coronavirus disease 2019-associated hypoxemic respiratory failure: Mechanisms and emerging management paradigms. J Trauma Acute Care Surg 2020; 89:e177-e181. [PMID: 32890338 PMCID: PMC7687878 DOI: 10.1097/ta.0000000000002938] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Role of Thromboelastography as an Early Predictor of Disseminated Intravascular Coagulation in Patients with Septic Shock. J Clin Med 2020; 9:jcm9123883. [PMID: 33260354 PMCID: PMC7760761 DOI: 10.3390/jcm9123883] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 02/03/2023] Open
Abstract
(1) Background: The currently proposed criteria for diagnosing overt disseminated intravascular coagulation (DIC) are not suitable for early detection of DIC. Thromboelastography (TEG) rapidly provides a comprehensive assessment of the entire coagulation process and is helpful as a guide for correcting consumptive coagulopathy in sepsis-induced DIC. This study aimed to investigate the role of TEG in the prediction of DIC in patients with septic shock. (2) Methods: TEG was conducted prospectively in 1294 patients with septic shock at the emergency department (ED) between January 2016 and December 2019. After exclusion of 405 patients with “do not attempt resuscitation” orders, those refusing enrollment, and those developing septic shock after ED presentation, 889 patients were included. DIC was defined as an International Society on Thrombosis and Hemostasis score ≥ 5 points within 24 h. (3) Results: Of the 889 patients with septic shock (mean age 65.6 ± 12.7 years, 58.6% male), 158 (17.8%) developed DIC. TEG values, except lysis after 30 min, were significantly different between the DIC and non-DIC groups. Among the TEG values, the maximal amplitude (MA) had the highest discriminating power for DIC, with an area under the curve of 0.814. An MA < 60 indicated DIC with 79% sensitivity, 73% specificity, and 94% negative predictive value. Based on multivariable analysis, MA < 60 was an independent predictor of DIC (odds ratio 5.616 (95% confidence interval: 3.213–9.818)). (4) Conclusions: In patients with septic shock, the MA value in TEG could be a valuable tool for early prediction of DIC.
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Scala E, Coutaz C, Gomez F, Alberio L, Marcucci C. Comparison of ROTEM Sigma to Standard Laboratory Tests and Development of an Algorithm for the Management of Coagulopathic Bleeding in a Tertiary Center. J Cardiothorac Vasc Anesth 2020; 34:640-649. [DOI: 10.1053/j.jvca.2019.10.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/03/2019] [Accepted: 10/07/2019] [Indexed: 01/17/2023]
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Sabljić N, Mitrović M. Clinical utility of rotational thromboelastometry in detecting hemostatic disorders. MEDICINSKI PODMLADAK 2020. [DOI: 10.5937/mp71-27853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Hemostasis represents an equilibrium between procoagulant and anticoagulant processes, but once this balance is shifted to one side, it leads to coagulopathy presented by pathological bleeding or thrombosis. Many conditions could cause coagulopathy. The most common are sepsis, severe traumas and malignancies. Widely used conventional coagulation tests (CCTs), focused only on clot initiation, are primary used to detect hypocoagulability. Viscoelastographic tests (VET), like rotational thromboelastometry (ROTEM), can detect problems in different stages of coagulation, from initiation thought clot elongation and propagation, to the clot lysis and might reveal both, hypercoagulability and hypocoagulability. Rotational thromboelastometry have gained popularity in the care of patients with TIC, as a tool to guide transfusion support. Nowadays it is widely used in other medical specialties, as well. Several studies in septic patients pointed out hypocoagulable ROTEM pattern as a predictor of poor prognosis. Additionally, there is great interest of ROTEM usage in malignancies, although limited research is currently available. It suggests ROTEM have the ability to identify a patient in high risk of thrombosis. Further investigation trough randomized studies is needed to confirm ROTEM utility and to help in making a consensus about its use in different medical occasions.
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Müller MCA, Meijers JC, van Meenen DM, Thachil J, Juffermans NP. Thromboelastometry in critically ill patients with disseminated intravascular coagulation. Blood Coagul Fibrinolysis 2019; 30:181-187. [PMID: 31157682 DOI: 10.1097/mbc.0000000000000808] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
: Coagulopathy has a high incidence in critically ill patients and is often caused by disseminated intravascular coagulation (DIC). Although the clinical picture of DIC ranges from a prothrombotic state to severe consumption coagulopathy with an increased bleeding tendency, there are no clinical tests that reflect of in-vivo hemostatic profile. Rotational thromboelastometry (ROTEM) may be able to indicate whether a patient has a hypocoagulable or hypercoagulable profile and possibly be able to discriminate patients with and without DIC. The aim of this article was to study the diagnostic ability of thromboelastometry to detect DIC. A predefined subgroup analysis of a clinical trial in critically ill patients with a coagulopathy was done. ROTEM and markers of coagulation and levels of natural anticoagulants were measured in patients with and without DIC. Twenty-three patients were included, 13 fulfilled criteria for overt DIC. Patients with DIC had lower platelet count, lower levels of fibrinogen, factors II, VII and VIII compared with those without DIC. Antithrombin, protein C and S were also reduced in DIC patients. Receiver operator characteristic analyses showed that EXTEM CFT, alpha angle and MCF were capable of discriminating patients with and without DIC. Combination of ROTEM values with protein C or antithrombin further improved discriminatory ability. In patients with DIC, thromboelastometry profiles were more hypocoagulable compared with those without DIC. ROTEM correlates well with ISTH DIC score, diagnostic strength improves when ROTEM values are combined with antithrombin or protein C levels. Thereby, ROTEM may be a useful tool in diagnosing DIC in the critically ill.
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Affiliation(s)
| | - Joost C Meijers
- Department of Experimental Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam UMC, University of Amsterdam.,Department of Molecular and Cellular Hemostasis, Sanquin, Amsterdam, the Netherlands
| | | | - Jecko Thachil
- Department of Haematology, Manchester Royal Infirmary, Manchester, United Kingdom
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Scarlatescu E, Juffermans NP, Thachil J. The current status of viscoelastic testing in septic coagulopathy. Thromb Res 2019; 183:146-152. [PMID: 31678709 DOI: 10.1016/j.thromres.2019.09.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 08/11/2019] [Accepted: 09/16/2019] [Indexed: 12/26/2022]
Abstract
Sepsis can be associated with different degrees of coagulopathy, ranging from a mild activation of the coagulation system to disseminated intravascular coagulation (DIC). The evaluation of haemostasis in the context of sepsis is important since it has been shown that anticoagulant therapies were beneficial mainly in patients with sepsis-induced DIC, but not in the general population of septic patients. Sepsis-induced haemostatic disturbances are not adequately reflected by standard coagulation tests (SCTs) which only consider the plasmatic components of the haemostatic system and not the cellular components. In addition, SCTs only assess the initiation phase of coagulation and reflect the activity of pro-coagulant factors, but lack sensitivity for the anticoagulant drive and the fibrinolytic activity. Viscoelastic tests (VET) are whole-blood tests which can assess clot formation and dissociation, and the contribution of both plasmatic and cellular components with a shorter turnaround time compared to SCTs. The use of VET in septic patients has proved useful for the assessment of the fibrinolytic activity, detecting hypercoagulable status and for the diagnosis of DIC and mortality risk prediction. While having relevant advantages over SCTs, the VET also present some blind spots or limitations leaving space for future improvement by the development of new reagents or new viscoelastic parameters.
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Affiliation(s)
- Ecaterina Scarlatescu
- Department of Anaesthesia and Intensive Care, Fundeni Clinical Institute, Bucharest, Romania.
| | - Nicole P Juffermans
- Department of Intensive Care, Amsterdam University Medical Center, location AMC, Amsterdam, the Netherlands
| | - Jecko Thachil
- Department of Haematology, Manchester Royal Infirmary, Manchester, United Kingdom
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17
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Advance in the Management of Sepsis-Induced Coagulopathy and Disseminated Intravascular Coagulation. J Clin Med 2019; 8:jcm8050728. [PMID: 31121897 PMCID: PMC6572234 DOI: 10.3390/jcm8050728] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 05/17/2019] [Accepted: 05/20/2019] [Indexed: 12/18/2022] Open
Abstract
Coagulopathy commonly occurs in sepsis as a critical host response to infection that can progress to disseminated intravascular coagulation (DIC) with an increased mortality. Recent studies have further defined factors responsible for the thromboinflammatory response and intravascular thrombosis, including neutrophil extracellular traps, extracellular vesicles, damage-associated molecular patterns, and endothelial glycocalyx shedding. Diagnosing DIC facilitates sepsis management, and is associated with improved outcomes. Although the International Society on Thrombosis and Haemostasis (ISTH) has proposed criteria for diagnosing overt DIC, these criteria are not suitable for early detection. Accordingly, the ISTH DIC Scientific Standardization Committee has proposed a new category termed “sepsis-induced coagulopathy (SIC)” to facilitate earlier diagnosis of DIC and potentially more rapid interventions in these critically ill patients. Therapy of SIC includes both treatment of the underlying infection and correcting the coagulopathy, with most therapeutic approaches focusing on anticoagulant therapy. Recently, a phase III trial of recombinant thrombomodulin was performed in coagulopathic patients. Although the 28-day mortality was improved by 2.6% (absolute difference), it did not reach statistical significance. However, in patients who met entry criteria for SIC at baseline, the mortality difference was approximately 5% without increased risk of bleeding. In this review, we discuss current advances in managing SIC and DIC.
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18
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Papageorgiou C, Jourdi G, Adjambri E, Walborn A, Patel P, Fareed J, Elalamy I, Hoppensteadt D, Gerotziafas GT. Disseminated Intravascular Coagulation: An Update on Pathogenesis, Diagnosis, and Therapeutic Strategies. Clin Appl Thromb Hemost 2018; 24:8S-28S. [PMID: 30296833 PMCID: PMC6710154 DOI: 10.1177/1076029618806424] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Disseminated intravascular coagulation (DIC) is an acquired clinicobiological
syndrome characterized by widespread activation of coagulation leading to fibrin
deposition in the vasculature, organ dysfunction, consumption of clotting
factors and platelets, and life-threatening hemorrhage. Disseminated
intravascular coagulation is provoked by several underlying disorders (sepsis,
cancer, trauma, and pregnancy complicated with eclampsia or other calamities).
Treatment of the underlying disease and elimination of the trigger mechanism are
the cornerstone therapeutic approaches. Therapeutic strategies specific for DIC
aim to control activation of blood coagulation and bleeding risk. The clinical
trials using DIC as entry criterion are limited. Large randomized, phase III
clinical trials have investigated the efficacy of antithrombin (AT), activated
protein C (APC), tissue factor pathway inhibitor (TFPI), and thrombomodulin (TM)
in patients with sepsis, but the diagnosis of DIC was not part of the inclusion
criteria. Treatment with APC reduced 28-day mortality of patients with severe
sepsis, including patients retrospectively assigned to a subgroup with
sepsis-associated DIC. Treatment with APC did not have any positive effects in
other patient groups. The APC treatment increased the bleeding risk in patients
with sepsis, which led to the withdrawal of this drug from the market. Treatment
with AT failed to reduce 28-day mortality in patients with severe sepsis, but a
retrospective subgroup analysis suggested possible efficacy in patients with
DIC. Clinical studies with recombinant TFPI or TM have been carried out showing
promising results. The efficacy and safety of other anticoagulants (ie,
unfractionated heparin, low-molecular-weight heparin) or transfusion of platelet
concentrates or clotting factor concentrates have not been objectively
assessed.
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Affiliation(s)
- Chrysoula Papageorgiou
- Service Anesthésie, Réanimation Hôpital Tenon, Hôpitaux Universitaires Est Parisien, Assistance Publique Hôpitaux de Paris, Paris, France
| | - Georges Jourdi
- INSERM UMRS1140, Université Paris Descartes, Paris, France.,Service d'Hématologie Biologique, Hôpital Cochin, Assistance Publique des Hôpitaux de Paris, France
| | - Eusebe Adjambri
- Département d'Hématologie, Faculté de Pharmacie, Université Félix Houphouët Boigny, Abidjan, Côte d'Ivoire
| | - Amanda Walborn
- Department of Pathology, Cardiovascular Institute Loyola University Chicago, Maywood, IL, USA
| | - Priya Patel
- Department of Pathology, Cardiovascular Institute Loyola University Chicago, Maywood, IL, USA
| | - Jawed Fareed
- Department of Pathology, Cardiovascular Institute Loyola University Chicago, Maywood, IL, USA
| | - Ismail Elalamy
- Service d'Hématologie Biologique Hôpital Tenon, Hôpitaux Universitaires Est Parisien, Assistance Publique Hoôpitaux de Paris, Paris, France.,Cancer Biology and Therapeutics, Centre de Recherche Saint-Antoine, Institut National de la Santé et de la Recherche Médicale, INSERM U938 and Faculté de Médecine Pierre et Marie Curie (UPMC), Sorbonne Universities, Paris, France
| | - Debra Hoppensteadt
- Department of Pathology, Cardiovascular Institute Loyola University Chicago, Maywood, IL, USA
| | - Grigoris T Gerotziafas
- Service d'Hématologie Biologique Hôpital Tenon, Hôpitaux Universitaires Est Parisien, Assistance Publique Hoôpitaux de Paris, Paris, France.,Cancer Biology and Therapeutics, Centre de Recherche Saint-Antoine, Institut National de la Santé et de la Recherche Médicale, INSERM U938 and Faculté de Médecine Pierre et Marie Curie (UPMC), Sorbonne Universities, Paris, France
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19
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Shin HJ, Min BH, Na HS. FIBTEM as a predictor of intra- and postoperative blood loss in revision total hip arthroplasty: A prospective observational study. Medicine (Baltimore) 2018; 97:e10929. [PMID: 29851830 PMCID: PMC6392916 DOI: 10.1097/md.0000000000010929] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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
Revision total hip arthroplasty (THA) may cause intra- and postoperative massive bleeding. This prospective observational study evaluated if the maximum clot firmness of FIBTEM (MCFFIB) could act as a predictor of perioperative massive bleeding in revision THA.Fifty-eight adult patients undergoing revision THA were included. Pre- and postoperative MCFFIB, hematological and hemostatic laboratory data, as well as the amount of intra- and postoperative blood loss (IBL and PBL) were obtained.The change rate (MCFFIB-C) between the pre- and postoperative MCFFIB had a significant correlation with IBL (ρ = 0.431, P = .001). Moreover, PBL had a significant correlation with MCFFIB-C (ρ = 0.292, P = .026). The MCFFIB-C cut-off value of ≥ 29% showed the highest sensitivity and specificity for predicting IBL ≥ 1000 mL or PBL ≥500 mL. The incidence of red blood cell transfusion in the postoperative period was higher in patients showing MCFFIB-C ≥ 29% (34% vs 8%, P = .015).The change rate between pre- and postoperative MCFFIB values was correlated well with the amount of IBL or PBL. Moreover, particular change rate of MCFFIB could predict massive bleeding in revision THA.
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20
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Walborn A, Williams M, Fareed J, Hoppensteadt D. International Normalized Ratio Relevance to the Observed Coagulation Abnormalities in Warfarin Treatment and Disseminated Intravascular Coagulation. Clin Appl Thromb Hemost 2018; 24:1033-1041. [PMID: 29848060 PMCID: PMC6714745 DOI: 10.1177/1076029618772353] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The development of coagulation abnormalities is common in patients with sepsis. Sepsis-associated coagulopathy (SAC) is typically diagnosed by prothrombin time (PT) prolongation or elevated international normalized ratio (INR) in conjunction with reduced platelet count. INR is also used to monitor warfarin-treated patients. However, due to the different natures of SAC and warfarin anticoagulation, it is likely that the same INR value provides different information in these two patient populations. The purpose of this study was to compare measures of coagulation function and clotting factor levels in patients with SAC to those observed in patients receiving warfarin anticoagulation. Deidentified plasma samples were collected at baseline from patients diagnosed with SAC and from patients receiving warfarin. These plasma samples were evaluated for PT/INR, activated partial thromboplastin time (aPTT), fibrinogen, and functional and immunologic levels of factors VII, IX, and X. Both aPTT and fibrinogen correlated with INR in patients with SAC, but not in patients treated with warfarin. Factors VII, IX, and X showed an inverse relationship with INR in the anticoagulated patients; however, no relationship between factor level and INR was observed in patients with SAC. Distinct patterns of coagulopathy were observed in patients with SAC and patients receiving warfarin anticoagulation, and equivalent INR values were associated with distinct coagulation profiles in the two patient groups. These results suggest that an abnormal INR provides different information about the coagulation status in patients with disseminated intravascular coagulation than in patients receiving warfarin. This may indicate that an equivalently increased INR predicts different bleeding risks in these two patient groups.
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Affiliation(s)
- Amanda Walborn
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA.,2 Department of Pharmacology, Loyola University Medical Center, Maywood, IL, USA
| | - Mark Williams
- 3 Division of Pulmonary and Critical Care Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Jawed Fareed
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA.,2 Department of Pharmacology, Loyola University Medical Center, Maywood, IL, USA
| | - Debra Hoppensteadt
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA.,2 Department of Pharmacology, Loyola University Medical Center, Maywood, IL, USA
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21
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Sakamoto Y, Koami H, Miike T. Monitoring the coagulation status of trauma patients with viscoelastic devices. J Intensive Care 2017; 5:7. [PMID: 34798696 PMCID: PMC8600748 DOI: 10.1186/s40560-016-0198-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 12/17/2016] [Indexed: 11/17/2022] Open
Abstract
Coagulopathy is a physiological response to massive bleeding that frequently occurs after severe trauma and is an independent predictive factor for mortality. Therefore, it is very important to grasp the coagulation status of patients with severe trauma quickly and accurately in order to establish the therapeutic strategy. Judging from the description in the European guidelines, the importance of viscoelastic devices in understanding the disease condition of patients with traumatic coagulopathy has been widely recognized in Europe. In the USA, the ACS TQIP Massive Transfusion in Trauma Guidelines proposed by the American College of Surgeons in 2013 presented the test results obtained by the viscoelastic devices, TEG® 5000 and ROTEM®, as the standard for transfusion or injection of blood plasma, cryoprecipitate, platelet concentrate, or anti-fibrinolytic agents in the treatment strategy for traumatic coagulopathy and hemorrhagic shock. However, some studies have reported limitations of these viscoelastic devices. A review in the Cochrane Library published in 2015 pointed out the presence of biases in the abovementioned reports in trauma patients and the absence of a quality study in this field thus far. A quality study on the relationship between traumatic coagulopathy and viscoelastic devices is needed.
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Affiliation(s)
- Yuichiro Sakamoto
- Department of Emergency and Critical Care Medicine, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga City, Saga, 849-8501, Japan.
| | - Hiroyuki Koami
- Department of Emergency and Critical Care Medicine, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga City, Saga, 849-8501, Japan
| | - Toru Miike
- Department of Emergency and Critical Care Medicine, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga City, Saga, 849-8501, Japan
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22
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Shin HJ, Na HS, Jeon YT, Park HP, Nam SW, Hwang JW. The impact of irrigating fluid absorption on blood coagulation in patients undergoing transurethral resection of the prostate: A prospective observational study using rotational thromboelastometry. Medicine (Baltimore) 2017; 96:e5468. [PMID: 28079789 PMCID: PMC5266151 DOI: 10.1097/md.0000000000005468] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [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
Although endoscopic transurethral resection of the prostate (TURP) is a well-established procedure as a treatment for benign prostatic hyperplasia, its complications remain a concern. Among these, coagulopathy may be caused by the absorption of irrigating fluid. This study aimed to evaluate such phenomenon using a rotational thromboelastometry (ROTEM).A total of 20 patients undergoing TURP participated in this study. A mixture of 2.7% sorbitol-0.54% mannitol solution and 1% ethanol was used as an irrigating fluid, and fluid absorption was measured via the ethanol concentration in expired breath. The effects on coagulation were assessed by pre- and postoperative laboratory blood tests, including hemoglobin, hematocrit, platelet count, international normalized ratio of prothrombin time (PT-INR), activated partial thromboplastin time, electrolyte, and ROTEM.INTEM-clotting time (INTEM-CT) was significantly lengthened by 14% (P = 0.001). INTEM-α-angle was significantly decreased by 3% (P = 0.011). EXTEM-clot formation time was significantly prolonged by 18% (P = 0.008), and EXTEM-maximum clot firmness (EXTEM-MCF) was significantly decreased by 4% (P = 0.010). FIBTEM-MCF was also significantly decreased by 13% (P = 0.015). Moreover, hemoglobin (P < 0.001), hematocrit (P < 0.001), platelet counts (P < 0.001), potassium (P = 0.024), and ionized calcium (P = 0.004) were significantly decreased, while PT-INR (P = 0.001) was significantly increased after surgery. The amount of irrigating fluid absorbed was significantly associated with the weight of resected prostatic tissue (P = 0.001) and change of INTEM-CT (P < 0.001).As shown by the ROTEM analysis, the irrigating fluid absorbed during TURP impaired the blood coagulation cascade by creating a disruption in the coagulation factor activity or by lowering the coagulation factor concentration via dilution.
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Affiliation(s)
- Hyun-Jung Shin
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Hyo-Seok Na
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Young-Tae Jeon
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Hee-Pyoung Park
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, South Korea
| | - Sun-Woo Nam
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Jung-Won Hwang
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
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23
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Shin HJ, Na HS, Lee S, Lee GW, Do SH. The effect of hyperglycemia on blood coagulation: In vitro, observational healthy-volunteer study using rotational thromboelastometry (ROTEM). Medicine (Baltimore) 2016; 95:e4703. [PMID: 27583903 PMCID: PMC5008587 DOI: 10.1097/md.0000000000004703] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [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
We performed a study to investigate whether contamination of hemostasis samples with a glucose-containing solution might generate spurious results in rotational thromboelastometry (ROTEM) tests.Venous blood was taken from 12 healthy volunteers and divided into 4 specimen bottles, which were contaminated with different concentrations (0%, 5%, 10%, and 20%) of glucose solution.Significant lengthening of INTEMCT was observed in the 10% and 20% groups compared with baseline values (7.7% and 9%, P = 0.041 and P = 0.037, respectively). INTEMCFT increased by 20.1% in the 20% group (P = 0.005). INTEMα-angle and INTEMMCF decreased by 3.9% and 2.7%, respectively, in the 20% group (P = 0.010 and P = 0.049, respectively). EXTEMCFT was prolonged significantly, by 10.2%, 15.5%, and 25.6%, in the 5%, 10%, and 20% groups, respectively (P = 0.004, P < 0.001, and P < 0.001, respectively). EXTEMα-angle decreased significantly by 1.9%, 3.2%, and 4.0% in the 5%, 10%, and 20% groups, respectively (P = 0.014, P = 0.001, and P = 0.005, respectively). EXTEMMCF decreased by 3.4% in the 20% group (P = 0.023). FIBTEMMCF decreased by 9.2% and 17.5% in the 10% and 20% groups, respectively (P = 0.019 and P = 0.021, respectively). A significant correlation was observed between standard glucose solution contamination in the specimens and percentage variation of EXTEMCFT, EXTEMMCF, and FIBTEMMCF.To obtain accurate data from the ROTEM test regarding the hemostatic status of patients, specimens with suspected or known contamination should not be analyzed.
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Affiliation(s)
- Hyun-Jung Shin
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Hyo-Seok Na
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Soowon Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
| | - Gwan-Woo Lee
- Department of Anesthesiology and Pain Medicine, Dankook University Hospital, Cheonan-si, Chungcheongnam-do, South Korea
| | - Sang-Hwan Do
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam-si
- Correspondence: Sang-Hwan Do, Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, 82, Gumi-ro 173 Beon-gil, Bundang-gu, Seongnam-si, Gyeonggi-do 13620, South Korea (e-mail: )
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