Thrombosis and the Antiphospholipid Syndrome

Hematology ◽  
2005 ◽  
Vol 2005 (1) ◽  
pp. 462-468 ◽  
Author(s):  
Thomas L. Ortel
Keyword(s):  
Risk Factors ◽  
Antiphospholipid Syndrome ◽  
Antiphospholipid Antibodies ◽  
Thromboembolic Event ◽  
Randomized Clinical Trials ◽  
Venous Thromboembolic Event ◽  
Thromboembolic Events ◽  
Additional Risk ◽  
Initial Event ◽  
Venous Thromboembolic

Abstract The antiphospholipid syndrome is an antibody-mediated hypercoagulable state characterized by recurrent venous and arterial thromboembolic events. Several studies have determined that the frequency of antiphospholipid syndrome in patients presenting with a venous thromboembolic event is between 4% and 14%. Because of the high risk for recurrent thromboembolism in these patients, current recommendations suggest a longer, potentially lifelong, course of antithrombotic therapy following an initial event. Although most authorities agree on an extended course of therapy, considerable controversy surrounds the optimal target therapeutic INR for patients with antiphospholipid syndrome. For an initial venous thromboembolic event, a target INR of 2.0 to 3.0 is supported by two prospective, randomized clinical trials. In contrast, relatively limited data exist for an initial arterial thromboembolic event in patients who have the antiphospholipid syndrome, and therapeutic recommendations range from aspirin to warfarin with a high target INR. Recurrent thromboembolic events can be extremely difficult to treat, and some patients may benefit from the addition of immunosuppressive therapies. Importantly, as many as 50% of the initial thromboembolic events sustained by patients with antiphospholipid antibodies occur in the setting of additional, coincident prothrombotic risk factors, indicating the importance of addressing any additional risk factors, such as hypercholesterolemia, in these patients. Prospective studies are needed to address the role of thromboprophylactic strategies in asymptomatic individuals with antiphospholipid antibodies in the absence of additional risk factors.

Evaluation of thromboembolic events in cancer patients receiving bevacizumab according to the Japanese Adverse Drug Event Report database

2016 ◽  
Vol 24 (1) ◽  
pp. 22-27 ◽  
Author(s):  
Chikako Matsumura ◽  
Yugo Chisaki ◽  
Satoko Sakimoto ◽  
Honoka Sakae ◽  
Yoshitaka Yano
Keyword(s):  
Risk Factors ◽  
Cancer Patients ◽  
Adverse Drug Event ◽  
Thromboembolic Event ◽  
Venous Thromboembolic Event ◽  
Drug Event ◽  
Thromboembolic Events ◽  
Event Report ◽  
Patients With Cancer ◽  
Venous Thromboembolic

Purpose We aimed to examine the risk factors, time of onset, incidence rates, and outcomes of thromboembolic events induced by bevacizumab in patients with cancer using the Japanese Adverse Drug Event Report (JADER) database of the Pharmaceuticals and Medical Devices Agency. Methods Adverse event data recorded in the JADER database between January 2004 and January 2015 were used. After screening the data using the generic drug name bevacizumab, patient data were classified into two groups by age and five groups by cancer type. The histories of disorders were also categorized. Arterial thromboembolic event and venous thromboembolic event were classified as “favorable” or “unfavorable” outcomes. Results In total, 6076 patients were reported to have developed adverse events during the sample period, of which 233 and 453 developed arterial thromboembolic event and venous thromboembolic event, respectively. Logistic analysis suggested that the presence of cancer was a significant risk factor for both arterial thromboembolic event and venous thromboembolic event. Age (≥70 years), histories of either hypertension or diabetes mellitus were also risk factors for arterial thromboembolic event. Median cumulative times of onset for arterial thromboembolic event and venous thromboembolic event were 60 and 80 days, respectively, and were not significantly different by the log-rank test. By the chi-square test, the rate of unfavorable outcomes was found to be higher after developing arterial thromboembolic event than after venous thromboembolic event. Conclusion Thromboembolism is a leading cause of mortality in patients with cancer. Patients should be monitored for the symptoms of thromboembolic events right from the initial stages of bevacizumab treatment.

scholarly journals MLTI-19. VENOUS THROMBOEMBOLIC EVENTS IN PATIENTS WITH BRAIN METASTASES: THE PICOS SCORE

2019 ◽  
Vol 1 (Supplement_1) ◽  
pp. i18-i18
Author(s):  
Fabian Wolpert ◽  
Bettina Grossenbacher ◽  
Anna Lareida ◽  
Patrick Roth ◽  
Marian Neidert ◽  
...  
Keyword(s):  
Risk Factors ◽  
Brain Metastasis ◽  
Odds Ratio ◽  
Thromboembolic Event ◽  
Venous Thromboembolic Event ◽  
Thromboembolic Events ◽  
Primary Tumors ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic ◽  
Score Model

Abstract BACKGROUND: Venous thromboembolic events are significant complications in patients and possibly associated with an unfavorable outcome. Thrombosis risk is poorly defined for patients with brain metastasis, and available risk calculation scores are not validated for these patients. METHODS: We identified 811 patients with brain metastasis followed at our institution and screened electronic charts retrospectively for the occurrence of venous thromboembolic events, along with candidate risk factors. Risk factors were tested in uni- and multivariate analyses and finally integrated in a score model for risk prediction. RESULTS: Venous thromboembolic events were documented in 97 of 811 patients (12.0%). Primary tumors with high thrombogenicity (p=0.02, odds ratio 1.7, 95% CI 1.1–2.8), dexamethasone (p=0.011, odds ratio 2.27, 95% CI 1.5–4.5), chemotherapy (p=0.005, odds ratio 3.4, 95% CI 1.6–7.5), BMI > 35 kg/m2 (p=0.002, odds ratio 3.4, 95% CI 1.6–7.5) and immobilization (p=0.003, odds ratio 2.4, 95% CI 1.3–4.3) were confirmed as independent predictors of VTE. We derived a score model for venous thromboembolic event prediction, the PICOS (thrombogenic Primary, Immobilization, Chemotherapy, Obesity, Steroids) score (0–7 points). Receiver Operating Characteristic Curve Analysis demonstrated its prognostic accuracy (AUC=0.71, 95% CI 0.64–0.77), and its predictive capability was superior to that of other scores proposed for the evaluation of venous thromboembolic event risk such as the Khorana (AUC=0.51) or CONKO (AUC=0.52) scores. CONCLUSIONS: We report a rate of venous thrombotic events of 12.0% in our cohort of 811 patients with brain metastasis. We define a risk model for prediction in of venous thrombotic events in patients with BM, the PICOS score. It may become a valuable tool for the identification of brain metastasis patients at high risk for venous thromboembolic events and be helpful for guidance of clinicians towards decision whether to start thrombosis prophylaxis. Further, the PICOS score might be used for stratification in controlled studies.

scholarly journals P14.25 Venous thromboembolic events in patients with brain metastases: the PICOS score

2019 ◽  
Vol 21 (Supplement_3) ◽  
pp. iii72-iii72
Author(s):  
F Wolpert ◽  
B Grossenbacher ◽  
A Lareida ◽  
P Roth ◽  
M C Neidert ◽  
...  
Keyword(s):  
Risk Factors ◽  
Brain Metastasis ◽  
Odds Ratio ◽  
Thromboembolic Event ◽  
Venous Thromboembolic Event ◽  
Thromboembolic Events ◽  
Primary Tumors ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic ◽  
Score Model

Abstract BACKGROUND Venous thromboembolic events are significant complications in patients and possibly associated with an unfavorable outcome. Thrombosis risk is poorly defined for patients with brain metastasis, and available risk calculation scores are not validated for these patients. MATERIAL AND METHODS We identified 811 patients with brain metastasis followed at our institution and screened electronic charts retrospectively for the occurrence of venous thromboembolic events, along with candidate risk factors. Risk factors were tested in uni- and multivariate analyses and finally integrated in a score model for risk prediction. RESULTS Venous thromboembolic events were documented in 97 of 811 patients (12.0%). Primary tumors with high thrombogenicity (p=0.02, odds ratio 1.7, 95% CI 1.1–2.8), dexamethasone (p=0.011, odds ratio 2.27, 95% CI 1.5–4.5), chemotherapy (p=0.005, odds ratio 3.4, 95% CI 1.6–7.5), BMI > 35 kg/m2 (p=0.002, odds ratio 3.4, 95% CI 1.6–7.5) and immobilization (p=0.003, odds ratio 2.4, 95% CI 1.3–4.3) were confirmed as independent predictors of VTE. We derived a score model for venous thromboembolic event prediction, the PICOS (thrombogenic Primary, Immobilization, Chemotherapy, Obesity, Steroids) score (0–7 points). Receiver Operating Characteristic Curve Analysis demonstrated its prognostic accuracy (AUC=0.71, 95% CI 0.64–0.77), and its predictive capability was superior to that of other scores proposed for the evaluation of venous thromboembolic event risk such as the Khorana (AUC=0.51) or CONKO (AUC=0.52) scores. CONCLUSION We report a rate of venous thrombotic events of 12.0% in our cohort of 811 patients with brain metastasis. We define a risk model for prediction in of venous thrombotic events in patients with BM, the PICOS score. It may become a valuable tool for the identification of brain metastasis patients at high risk for venous thromboembolic events and be helpful for guidance of clinicians towards decision whether to start thrombosis prophylaxis. Further, the PICOS score might be used for stratification in controlled studies.

The benefit of EXtending oral antiCOAgulation treatment (EXCOA) after acute cerebral vein thrombosis (CVT): EXCOA-CVT cluster randomized trial protocol

2018 ◽  
Vol 13 (7) ◽  
pp. 771-774 ◽  
Author(s):  
Bruno Miranda ◽  
Sanjith Aaron ◽  
Antonio Arauz ◽  
Fernando Barinagarrementeria ◽  
Afshin Borhani-Haghighi ◽  
...  
Keyword(s):  
Thromboembolic Event ◽  
Cluster Randomized Trial ◽  
Venous Thromboembolic Event ◽  
Cerebral Vein ◽  
Thromboembolic Events ◽  
Cerebral Vein Thrombosis ◽  
Vein Thrombosis ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic ◽  
Cluster Randomized

Rationale After a cerebral vein thrombosis, there is an increased risk of further venous thromboembolic events. The optimal duration of anticoagulation after cerebral vein thrombosis is unknown. Aim To compare efficacy and safety of a policy of short- (3–6 months) versus long-term (12 months) anticoagulation (any type venous thromboembolic events) after cerebral vein thrombosis for the prevention of venous thromboembolic events. Sample size estimates A sample of 1428 patients (749 per arm) allows detecting a reduction from 10 to 5% in the risk of venous thromboembolic event recurrence with 80% power at 5% significance, with 3% dropout rate. Methods and design An international multicenter, prospective cluster-randomized trial with equal allocation between both interventions (ISRCTN25644448). Each cluster is a participating center, which accepted to be randomly allocated to one of the anticoagulation policies. Eligible patients are adults with radiologically confirmed cerebral vein thrombosis within 30 days, and stable to initiate post-acute anticoagulation. Patients judged by the investigator to be an absolute indication for permanent anticoagulation are excluded. Follow-up is at 6, 12 and 24 months. Study outcomes Primary efficacy outcome is any symptomatic and confirmed fatal/nonfatal venous thromboembolic event (recurrent-cerebral vein thrombosis or non-cerebral venous thromboembolic event). Primary safety outcomes include bleeding events during treatment periods and death from any cause. Discussion This study responds to a knowledge gap in the post-acute management of cerebral vein thrombosis patients by comparing short- versus long-term anticoagulation for the prevention of venous thromboembolic event recurrence.

scholarly journals Venous Thromboembolic Events in Diffuse Large B Cell Lymphoma Patients: Risk Factors and Outcomes

Blood ◽  
2016 ◽  
Vol 128 (22) ◽  
pp. 3611-3611
Author(s):  
Sabarish Ram Ayyappan ◽  
Vinita Gupta ◽  
Akiva Diamond ◽  
Brenda Cooper ◽  
Ben K. Tomlinson ◽  
...  
Keyword(s):  
Risk Factors ◽  
Cumulative Incidence ◽  
Cell Lymphoma ◽  
Statistical Significance ◽  
B Cell Lymphoma ◽  
Thromboembolic Events ◽  
Large B Cell Lymphoma ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic ◽  
Large B Cell

Abstract Venous thromboembolic events (VTE) are common after the diagnosis of lymphoma. Although various risk factors have been associated with VTE in cancer patients, there is no specific VTE risk prediction score for diffuse large B cell lymphoma (DLBCL) patients. The Khorana score is a prediction-model of VTE in cancer patients receiving chemotherapy that incorporates clinical and laboratory parameters. We evaluated the risk factors for VTE, the effect of VTE on the outcomes of DLBCL patients and the utility of the Khorana score in DLBCL patients. Methods: We searched the Hematologic Malignancies Database of University Hospitals Seidman Cancer Center for newly diagnosed DLBCL patients between 2002 and 2014. Data on patient characteristics including risk factors, disease characteristics, treatment, outcomes and VTE was collected. The Khorana score was calculated using clinical (disease type, body mass index) and laboratory (hemoglobin level, platelet and leukocyte count) parameters. Risk factors identified as having statistical significance on univariate Cox proportional hazards analysis (p <0.05) were selected for multivariate analysis. Cumulative incidence (with death as competing risk) was used to estimate the incidence of VTE. Overall survival (OS) and progression free survival (PFS) were calculated using the Kaplan-Meier method; comparison between groups was done using the log-rank test. Results: Four hundred DLBCL patients were included for analysis. Median age at diagnosis was 63 with 235 patients above the age of 60. Two hundred and thirty seven patients (59.3 %) had advanced stage at diagnosis and 14 patients (3.5%) had a prior history of VTE. Baseline characteristics are listed in Table 1. Sixty percent of patients had a Khorana score of 1 with no risk factors in addition to the diagnosis of lymphoma. At median follow up of 33 months, 70 patients (18%) presented a VTE, with 1-year and 3-year cumulative incidence of 10.1% (95% CI 7.1-13.6) and 14% (95 % CI 10.8-18), respectively. Fifty-seven VTE (81% of all VTEs) were diagnosed in patients with active disease (at diagnosis, relapse or during active therapy). The Khorana score separated DLBCL patients in three VTE risk groups: intermediate (1 point), high (2 points) and very high (3 or more points) with 1 year cumulative incidence of VTE of 6.4%, 11.6% and 22.2%, respectively (p = 0.009) (Figure 1). On univariate analysis, bone involvement by lymphoma, elevated corrected calcium (>12g/dL), increased white cell count (>11,000/mcl), hemoglobin (<10g/dL), monocytosis (>800/mcl) and chromosomal translocations involving MYC presented statistically significant increases in hazard of VTE (Table 2). On multivariate analysis only bone involvement (p=0.017) and anemia (p=0.035) retained statistical significance as risk factors for VTE. Three-year OS for patients presenting with VTE within 1 year of DLBCL diagnosis was 46.7 % (95% CI 30-63.3) vs. 72.3% (95% CI 67.4-77.3) in subjects without early VTE (p=0.05) (Figure 2). Presence of VTE at any time after DLBCL diagnosis was also associated with worse OS rates, with estimated 3-year OS of 52.2 % (95 % CI 39.8-64.7) for subjects experiencing VTE and 74 % (95 % CI 69-79) for those without VTE after DLBCL diagnosis (p<0.0001). Conclusion: Venous thromboembolic events are common after diagnosis of DLBCL and are associated with worsened outcomes. The Khorana score is capable of identifying patient subgroups with increased risk of VTE. Additional parameters associated with aggressive disease and advanced stages could further help in VTE risk stratification for selection of patients who may benefit from antithrombotic prophylaxis. Prospective validation of VTE risk assessments and clinical trials of VTE prevention are needed in this high=risk population. Disclosures Caimi: Gilead: Consultancy; Novartis: Consultancy; Genentech: Speakers Bureau; Roche: Research Funding.

Incidence and risk factors of venous thromboembolic events after resection of various brain tumors

2021 ◽  
Vol 85 (3) ◽  
pp. 63
Author(s):  
A.V. Bervitskiy ◽  
G.I. Moisak ◽  
V.E. Guzhin ◽  
E.V. Amelina ◽  
A.V. Kalinovskiy ◽  
...  
Keyword(s):  
Risk Factors ◽  
Brain Tumors ◽  
Thromboembolic Events ◽  
Venous Thromboembolic Events ◽  
Venous Thromboembolic

Correlation between Osteoprotegerin Levels and Antiphospholipid Syndrome Parameters

2019 ◽  
Author(s):  
Simona Caraiola ◽  
Alina Dima ◽  
Ciprian Jurcut ◽  
Ruxandra Jurcut ◽  
Cristian Baicus ◽  
...  
Keyword(s):  
Risk Factors ◽  
Systemic Lupus Erythematosus ◽  
Antiphospholipid Syndrome ◽  
Lupus Erythematosus ◽  
Antiphospholipid Antibodies ◽  
High Serum ◽  
Systemic Lupus ◽  
Clinical Events ◽  
Double Stranded Dna ◽  
Female Data

Abstract Objective To identify the osteoprotegerin (OPG) correlates with antiphospholipid syndrome (APS) parameters. Methods Our cohort included 40 patients with primary APS disease associated with systemic lupus erythematosus (SLE) (mean age, 43.7 years; 87% female). Data on cardiovascular risk factors and specific clinical events in APS were collected. Then we tested OPG and 10 criteria and noncriteria antiphospholipid antibodies (aPLs) on preserved specimens in all cases. Results A total of 26 patients (65%) had high serum OPG levels. Patients with high OPG were mostly overweight. In patients with SLE, the OPG levels were associated with anti–double-stranded DNA (anti-dsDNA) and anti-Sm titers. However, we did not find significant correlations of the OPG with any of the 10 aPLs tested. Also, we found no relationship regarding venous APS events. Conclusion In APS, high OPG levels are not linked to serum aPL expression.

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