scholarly journals Prevention of Venous Thromboembolism in 2020 and Beyond

2020 ◽  
Vol 9 (8) ◽  
pp. 2467
Author(s):  
Matthew Nicholson ◽  
Noel Chan ◽  
Vinai Bhagirath ◽  
Jeffrey Ginsberg

Venous thromboembolism (VTE) is the third most common cause of vascular mortality worldwide and comprises deep-vein thrombosis (DVT) and pulmonary embolism (PE). In this review, we discuss how an understanding of VTE epidemiology and the results of thromboprophylaxis trials have shaped the current approach to VTE prevention. We will discuss modern thromboprophylaxis as it pertains to genetic risk factors, exogenous hormonal therapies, pregnancy, surgery, medical hospitalization, cancer, and what is known thus far about VTE in COVID-19 infection.

2021 ◽  
Author(s):  
Keisuke Miyamoto ◽  
Hiroaki Komatsu ◽  
Masayo Okawa ◽  
Yuki Iida ◽  
Daiken Osaku ◽  
...  

Abstract BackgroundVenous thromboembolism often develops after surgery and childbirth, resulting in death in some cases. Although early deep vein thrombosis (DVT) detection can predict pulmonary thromboembolism, there is no early screening method for DVT in pregnant women. Lack of consensus regarding significance or setting and cut-off value interpretation of D-dimer levels further impedes venous thromboembolism screening in pregnant women.This study aimed to examine the utility of third-trimester serum D-dimer levels for screening test for DVT during pregnancy.to determine the frequency of asymptomatic DVT using lower-limb compression ultrasonography.MethodsThis single-center retrospective study included 497 pregnant women who underwent elective cesarean section at term in our hospital between January 2013 and December 2019. Serum D-dimer levels were preoperatively measured at 32–37 gestation weeks. The presence or absence of DVT in patients with serum D-dimer levels ≥ 3.0 µg/ml, the cut-off value, was examined using compression ultrasonography. In all patients, the presence or absence of clinical venous thrombosis (symptoms such as lower-limb pain, swelling, and heat sensation) was examined within 4 postoperative weeks.The Royal College of Obstetricians and Gynecologists Guideline 2015 was referred to determine risk factors for the onset of venous thrombosis during pregnancy. Among those, we examined the risk factors for DVT that result in high D-dimer levels during pregnancy.ResultsThe median age and body mass index were 35 (20–47) years and 21.2 (16.4–41.1) kg/m2, respectively. Further, the median gestational age and D-dimer levels were 37 weeks and 2.1 (0.2–16.0) µg/ml, respectively. Compression ultrasonography was performed on 135 (26.5%) patients with a D-dimer level ≥3.0 µg/ml, with none of the patients showing DVT. All patients were followed up for 4 postoperative weeks, with none presenting with venous thromboembolism. Multivariate analysis showed that hypertensive disorders of pregnancy is an independent risk factor for venous thromboembolism that causes high D-dimer levels (odds ratio: 2.48, 95% confidence interval: 1.05–6.50, P=0.04).ConclusionThere may be low utility in screening for DVT using D-dimer levels in the third trimester. Further, prepartum asymptomatic DVT has a low frequency, indicating the low utility of compression ultrasonography.Trial registrationInstitutional Review Board of Tottori University Hospital (IRB no. 20A149).


2016 ◽  
Vol 19 (1) ◽  
pp. 43-50 ◽  
Author(s):  
A Jusić-Karić ◽  
R Terzić ◽  
Z Jerkić ◽  
A Avdić ◽  
M Pođanin

AbstractThe 1691 (G>A) factor V Leiden (FVL) and 20210 (G>A) prothrombin (PT) mutations are the two most common genetic risk factors in venous thromboembolism. The 677 (C>T) methylene tetrahydrofolate reductase (MTHFR) mutation is the most frequently mentioned as an independent genetic risk factor for venous thromboembolism. As there are limited published data on the prevalence of the 1691, 20210 and 677 mutations in our population, the aim of this study was to determine the frequencies and association of these deep vein thrombosis mutations in the Bosnian population.This study included 111 thromboembolic patients and 207 healthy subjects with absence of known risk factors for venous thromboembolism. Genotyping of the 1691, 20210 and 677 mutations was done by polymerase chain reaction (PCR), followed by restriction digestion with MnlI, HindIII and HinfI enzymes.Out of the 111 patients, 18.0% were heterozygous and 2.70% were homozygous for the 1691 mutation. Among 207 healthy controls, 3.86%, were heterozygous for the 1691 mutation. This study confirmed the association of the 1691 mutation with deep vein thrombosis in the Bosnian population odds ratio (OR) [95% confidence interval (CI)] = 6.0 (2.62-14.14); p = 0.0001). The 20210 mutation was detected in 2.70% of patients and it was totally absent in the control group. Allele and genotype frequency of 677 did not differ significantly between the cases and controls (χ2 = 1.03; p = 0.309).


2022 ◽  
Vol 22 (1) ◽  
Author(s):  
Keisuke Miyamoto ◽  
Hiroaki Komatsu ◽  
Masayo Okawa ◽  
Yuki Iida ◽  
Daiken Osaku ◽  
...  

Abstract Background Venous thromboembolism often develops after surgery and childbirth, resulting in death in some cases. Although early deep vein thrombosis (DVT) detection can predict pulmonary thromboembolism, there is no early screening method for DVT in pregnant women. Lack of consensus regarding significance or setting and cut-off value interpretation of D-dimer levels further impedes venous thromboembolism screening in pregnant women. This study aimed to examine the utility of third-trimester serum D-dimer levels as a screening test for DVT during pregnancy and to determine the frequency of asymptomatic DVT using lower-limb compression ultrasonography. Methods This single-center retrospective study included 497 pregnant women who underwent elective cesarean section at term in our hospital between January 2013 and December 2019. Serum D-dimer levels were preoperatively measured at 32–37 weeks’ gestation. The presence or absence of DVT in patients with serum D-dimer levels ≥ 3.0 µg/ml, the cut-off value, was examined using compression ultrasonography. In all patients, the presence or absence of clinical venous thrombosis (symptoms such as lower-limb pain, swelling, and heat sensation) was examined within 4 postoperative weeks. The Royal College of Obstetricians and Gynecologists Guideline 2015 was referred to determine risk factors for the onset of venous thrombosis during pregnancy. Among those, we examined the risk factors for DVT that result in high D-dimer levels during pregnancy. Results The median age and body mass index were 35 (20–47) years and 21.2 (16.4–41.1) kg/m2, respectively. Further, the median gestational age and D-dimer levels were 37 weeks and 2.1 (0.2–16.0) µg/ml, respectively. Compression ultrasonography was performed on 135 (26.5%) patients with a D-dimer level ≥ 3.0 µg/ml, with none of the patients showing DVT. All patients were followed up for 4 postoperative weeks, with none presenting with venous thromboembolism. Multivariate analysis showed that hypertensive disorders of pregnancy are an independent risk factor for venous thromboembolism that causes high D-dimer levels (odds ratio: 2.48, 95% confidence interval: 1.05–6.50, P = 0.04). Conclusion There may be low utility in screening for DVT using D-dimer levels in the third trimester. Further, prepartum asymptomatic DVT has a low frequency, indicating the low utility of compression ultrasonography. Trial registration Institutional Review Board of Tottori University Hospital (IRB no. 20A149).


2018 ◽  
Vol 16 (12) ◽  
pp. 2432-2441 ◽  
Author(s):  
H. G. de Haan ◽  
A. van Hylckama Vlieg ◽  
L. A. Lotta ◽  
M. M. Gorski ◽  
P. Bucciarelli ◽  
...  

2020 ◽  
Author(s):  
Samuel Z. Goldhaber

Venous thromboembolism, which involves venous thrombosis and pulmonary embolism, is a leading cause of morbidity and mortality in hospitalized patients and is being seen with increasing frequency in outpatients. This chapter discusses the risk factors, etiology, classification, pathophysiology, natural history, prognosis, diagnosis (including venous thrombosis, recurrent venous thrombosis, and pulmonary embolism), prophylaxis, and treatment of venous thromboembolism (including the pharmacology of antithrombotic agents), as well as venous thromboembolism in pregnancy and miscellaneous thromboembolic disorders (including thrombosis of unusual sites).  This review contains 8 figures, 16 tables, and 79 references. Keywords: Venous thromboembolism, pulmonary embolism, deep vein thrombosis, embolectomy, thrombolysis, hypercoagulability, duplex ultrasonography, D-dimer, anticoagulation


2021 ◽  
Vol 27 ◽  
Author(s):  
Stavrianna Diavati ◽  
Marios Sagris ◽  
Dimitrios Terentes-Printzios ◽  
Charalambos Vlachopoulos

: Venous thromboembolism (VTE), clinically presenting as deep-vein thrombosis (DVT) or pulmonary embolism (PE), constitutes a major global healthcare concern with severe complications, long-term morbidity and mortality. Although several clinical, genetic and acquired risk factors for VTE have been identified, the molecular pathophysiology and mechanisms of disease progression remain poorly understood. Anticoagulation has been the cornerstone of therapy for decades, but there still are uncertainties regarding primary and secondary VTE prevention, as well as optimal therapy duration. In this review we discuss the role of factor Xa in coagulation cascade and the different choices of anticoagulation therapy based on patients’ predisposing risk factors and risk of event recurrence. Further, we compare newer agents to traditional anticoagulation treatment, based on most recent studies and guidelines.


2006 ◽  
Vol 83 (3) ◽  
pp. 217-223 ◽  
Author(s):  
Toshiyuki Miyata ◽  
Rina Kimura ◽  
Yoshihiro Kokubo ◽  
Toshiyuki Sakata

TH Open ◽  
2018 ◽  
Vol 02 (04) ◽  
pp. e428-e436 ◽  
Author(s):  
Amaia Iñurrieta ◽  
José Pedrajas ◽  
Manuel Núñez ◽  
Luciano López-Jiménez ◽  
Alba Velo-García ◽  
...  

Background The ideal duration of anticoagulant therapy in elderly patients with unprovoked venous thromboembolism (VTE) has not been consistently evaluated. Methods We used the RIETE (Registro Informatizado Enfermedad TromboEmbólica) registry to compare the rate and severity of pulmonary embolism (PE) recurrences versus major bleeding beyond the third month of anticoagulation in patients >75 years with a first episode of unprovoked VTE. Results As of September 2017, 7,830 patients were recruited: 5,058 (65%) presented with PE and 2,772 with proximal deep vein thrombosis (DVT). During anticoagulant therapy beyond the third month (median, 113 days), 44 patients developed PE recurrences, 36 developed DVT recurrences, 101 had major bleeding, and 241 died (3 died of recurrent PE and 19 of bleeding). The rate of major bleeding was twofold higher than the rate of PE recurrences (2.05 [95% confidence interval, CI: 1.68–2.48] vs. 0.90 [95% CI: 0.66–1.19] events per 100 patient-years) and the rate of fatal bleeding exceeded the rate of fatal PE events (0.38 [95% CI: 0.24–0.58] vs. 0.06 [95% CI: 0.02–0.16] deaths per 100 patient-years). On multivariable analysis, patients who had bled during the first 3 months (hazard ratio [HR]: 4.32; 95% CI: 1.58–11.8) or with anemia at baseline (HR: 1.87; 95% CI: 1.24–2.81) were at increased risk for bleeding beyond the third month. Patients initially presenting with PE were at increased risk for PE recurrences (HR: 3.60; 95% CI: 1.28–10.1). Conclusion Prolonging anticoagulation beyond the third month was associated with more bleeds than PE recurrences. Prior bleeding, anemia, and initial VTE presentation may help decide when to stop therapy.


Blood ◽  
2005 ◽  
Vol 106 (11) ◽  
pp. 584-584
Author(s):  
Frederick A. Spencer3 ◽  
Robert J. Goldberg ◽  
Darleen Lessard ◽  
Cathy Emery ◽  
Apar Bains ◽  
...  

Abstract Background: Recent observations suggest that upper extremity deep vein thrombosis (DVT) has become more common over the last few decades. However the prevalence of this disorder within the community has not been established. The purpose of this study was to compare the occurrence rate, risk factor profile, management strategies, and hospital outcomes in patients with upper versus lower extremity DVT in a cohort of all Worcester residents diagnosed with venous thromboembolism (VTE) in 1999. Methods: The medical records of all residents from the Worcester, MA statistical metropolitan area (2000 census=478,000) diagnosed with ICD-9 codes consistent with possible DVT and/or pulmonary embolism at all 11 Worcester hospitals during the years 1999, 2001, and 2003 are being reviewed by trained data abstractors. Validation of each case of VTE is performed using prespecified criteria. Results: A total of 483 cases have been validated as acute DVT events - this represents all cases of DVT occurring in residents of the Worcester SMSA in 1999. For purposes of this analysis we have excluded 4 patients with both upper and lower extremity DVT. Upper extremity DVT was diagnosed in 68 (14.2%) of patients versus 411 (85.8%) cases of lower extremity DVT. Patients with upper extremity DVT were younger, more likely to be Hispanic, more likely to have renal disease and more likely to have had a recent central venous catheter, infection, surgery, ICU stay, or chemotherapy than patients with lower extremity DVT. They were less likely to have had a prior DVT or to have developed their current DVT as an outpatient. Although less likely to be treated with heparin, LMWH, or warfarin they were more likely to suffer major bleeding complications. Recurrence rates of VTE during hospitalization were very low in both groups. Conclusions: Patients with upper extremity DVT comprise a small but clinically important proportion of all patients with DVT in the community setting. Their risk profiles differs from patients with lower extremity DVT suggesting strategies for DVT prophylaxis and treatment for this group may need to be tailored. Characteristics of Patients with Upper versus Lower Extremity DVT Upper extremity (n=68) Lower extremity (n=417) P value *Recent = < 3 months Demographics Mean Age, yrs 59.3 66.5 <0.001 Male (%) 51.5 45 NS Race (%) <0.05 White 86.6 91.6 Black 1.5 3.2 Hispanic 9.0 2.0 VTE Setting (%) <0.001 Community 53.8 76.2 Hospital Acquired 46.2 23.8 Risk Factors (%) Recent Central Venous Catheter 61.8 11.9 <0.001 Recent Infection 48.5 32.4 <0.01 Recent Surgery 47.8 28.1 <0.001 Cancer 44.1 32.6 0.06 Recent Immobility 38.2 47.0 NS Recent chemotherapy 25 9.5 <0.001 Renal disease 23.5 1.7 <0.0001 Recent ICU discharge 23.5 15.1 0.07 Recent CHF 19.1 16.6 NS Previous DVT 3.0 18.7 <0.01 Anticoagulant prophylaxis (%) During hospital admission (n=125) 76.7 71.6 NS During recent prior hospital admission (n=188) 73.7 54.7 <0.05 During recent surgery (n=146) 62.5 55.3 NS Hospital therapy - treatment doses (%) Any heparin/LMWH 66.2 82 <0.01 Warfarin at discharge 53.1 71.2 <0.01 Hospital Outcomes (%) Length of stay (mean, d) 11.2 6.8 <0.01 Major bleeding 11.8 4.9 <0.05 Recurrent DVT 1.5 1.0 NS Recurrent PE 0 0.2 NS Hospital Mortality 4.5 4.1 NS


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