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According to the 2021 updated guidelines of the American College of Chest Physicians, the location of venous thromboembolism, the severity of symptoms, the risk of thrombus extension vs that of bleeding, and comorbidities all affect the decision to treat, the choice of anti-thrombotic agent, and the duration of therapy. In patients with isolated distal deep vein thrombosis without high-risk features, monitoring progression is recommended over initiating anticoagulation. However, treatment of proximal deep vein thrombosis with anticoagulation is strongly recommended by the guidelines...

The CHEST Antithrombotic Therapy for Venous Thromboembolism Disease evidencebased guidelines are now updated in a more frequent, focused manner. Guidance statements from the most recent full guideline and two subsequent updates have not been gathered into a single source. METHODS An international panel of experts with experience in prior Antithrombotic Therapy guideline development reviewed the 2012 CHEST Antithrombotic Therapy guideline and its two subsequent updates. All guideline statements, and their associated Patient, Intervention, Comparator, Outcome questions were assembled...

Superficial venous thrombosis (SVT), an inflammatory-thrombotic process of a superficial vein, is a relatively common event that may have several different underlying causes. This phenomenon has been generally considered benign, and its prevalence has been historically underestimated; the estimated incidence ranges from about 0.3 to 1.5 event per 1000 person-years, while the prevalence is approximately 3 to 11%, with different reports depending on the population studied. However, such pathology is not free of complications; indeed, it could extend to the deep circulation and embolize to pulmonary circulation...

OBJECTIVE: To compare thrombus removal and residual venous symptoms and signs of disease following interventional treatment of iliofemoral deep vein thrombosis (DVT) with mechanical thrombectomy (MT) and pharmacomechanical catheter directed thrombolysis (PCDT). METHODS: Retrospective cohort analysis of propensity score matched subgroups from the multicentre prospective MT ClotTriever Outcomes registry and the PCDT arm of the randomised Acute Venous Thrombosis: Thrombus Removal with Adjunctive Catheter Directed Thrombolysis trial...

BACKGROUND: Patients with severe acute low iliofemoral deep vein thrombosis (DVT), such as phlegmasia cerulea dolens, benefit from catheter-directed thrombolysis (CDT). This meta-analysis investigated the effectiveness and safety of adjuvant percutaneous mechanical thrombectomy (PMT) during CDT compared with CDT alone in the treatment of acute iliofemoral DVT. METHODS: A meta-analysis was performed in accordance with the PRISMA guidelines. Medline, Embase, the Cochrane Library, China National Knowledge Internet, and Wanfang data were searched for studies on the management of acute iliofemoral DVT by means of CDT or CDT with adjuvant PMT...

BACKGROUND: Up to one half of patients with a diagnosis of deep vein thrombosis will develop post-thrombotic syndrome (PTS). Patients with PTS can develop venous leg ulcers (VLUs) due to post-thrombotic obstructions (PTOs) that contribute to prolonged ambulatory venous hypertension. The current treatments for PTS, which include chronic thrombus, synechiae, trabeculations, and inflow lesions, do not target PTOs, and such obstructions can affect stenting success. The aim of the present study was to determine whether removal of chronic PTOs using percutaneous mechanical thrombectomy would promote VLU resolution and positive outcomes...

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BACKGROUND: Venous thromboembolism (VTE) is a common complication among patients with cancer. Patients with cancer and VTE are at a markedly increased risk for morbidity and mortality. OBJECTIVE: These evidence-based guidelines of the American Society of Hematology (ASH) are intended to support patients, clinicians, and other health care professionals in their decisions about the prevention and treatment of VTE in patients with cancer. METHODS: ASH formed a multidisciplinary guideline panel balanced to minimize potential bias from conflicts of interest...

No abstract text is available yet for this article.

After acute treatment of deep vein thrombosis, not only the risk but also associated side effects of postthrombotic syndrome (PTS) are often underestimated.There are essentially two main types of PTS.1. Obstructive type-no sufficient recanalization of the deep vein.2. Refluctive type-sufficient recanalization of the deep vein, but insufficient venous valves in conjunction with venous reflux.A statement regarding deep vein recanalization and venous valve function can be made at the earliest after 6 months.PTS is often diagnosed without appropriate medical history...

Venous ultrasound is the standard imaging test for patients suspected of having acute deep venous thrombosis (DVT). There is variability and disagreement among authoritative groups regarding the necessary components of the test. Some protocols include scanning the entire lower extremity, whereas others recommend scans limited to the thigh and knee supplemented with serial testing. Some protocols use gray-scale ultrasound alone, whereas others include Doppler interrogation. Point-of-care ultrasound is recommended in some settings, and there is heterogeneity of these protocols as well...

Deep-vein thrombosis (DVT) is regarded a chronic disease as it often recurs. DVT affects most frequently the lower limbs and hence DVT of the leg will be the focus of this article. Whereas algorithms were developed and validated for the diagnosis of a first DVT, no such well-defined strategies exist in the case of recurrence of DVT. Likewise, the scientific evidence regarding the treatment of recurrent DVT is sparse, in particular when it comes to deciding on the duration of anticoagulation. Two typical cases of recurrent DVT, one with an unprovoked DVT and one with DVT during anticoagulation, will be presented...

It takes about 3 months to complete "active treatment" of venous thromboembolism (VTE), with further treatment serving to prevent new episodes of thrombosis ("pure secondary prevention"). Consequently, VTE should generally be treated for either 3 months or indefinitely (exceptions will be described in the text). The decision to stop anticoagulants at 3 months or to treat indefinitely is dominated by the long-term risk of recurrence, and secondarily influenced by the risk of bleeding and by patient preference...

Deep vein thrombosis and pulmonary embolism, collectively referred to as venous thromboembolism, constitute a major global burden of disease. The diagnostic work-up of suspected deep vein thrombosis or pulmonary embolism includes the sequential application of a clinical decision rule and D-dimer testing. Imaging and anticoagulation can be safely withheld in patients who are unlikely to have venous thromboembolism and have a normal D-dimer. All other patients should undergo ultrasonography in case of suspected deep vein thrombosis and CT in case of suspected pulmonary embolism...

No abstract text is available yet for this article.

With current clinical practice, postoperative venous thromboembolism (VTE) risk is not only well controlled, but it is steadily decreasing, especially in orthopaedic surgery, thanks to fast-track and day case procedures, new surgical techniques, and potent antithrombotic agents. Thromboprophylaxis is becoming increasingly adapted to these patients. Aspirin is also extensively prescribed in total hip replacement and total knee replacement procedures in the United States and Australia. Mechanical prophylaxis is sometimes applied alone but most often combined with anticoagulant agents...

Most physicians understand venous thromboembolism (VTE) to be an acute and time-limited disease. However, pathophysiological and epidemiological data suggest that in most patients VTE recurrence risk is not resolved after the first 6 months of anticoagulation. Recurrence rates are high and potentially life-threatening. In these cases, it would make sense to prolong anticoagulation for an undetermined length of time. However, what about the bleeding rates, induced by prolonged anticoagulation? Would they not outweigh the benefit of reducing the VTE recurrent risk? How long should anticoagulation be continued, and should all patients suffering from VTE be provided with extended anticoagulation? This review will address the most recent data concerning extended anticoagulation in VTE secondary prophylaxis...

Introduction : The emergence of the direct oral anticoagulants (DOACs) offers patients more convenient and accessible alternatives to warfarin or parenteral agents for the treatment of venous thromboembolism (VTE). Apixaban (Eliquis®) is an oral, direct factor Xa inhibitor that is approved for the acute treatment of deep-vein thrombosis (DVT) and pulmonary embolism (PE) as well as for the reduction in the risk of recurrent DVT and PE following initial therapy. Areas covered : This article reviews results from preclinical and healthy volunteer studies, large phase III trials evaluating the safety and efficacy of apixaban, as well as key studies that led to apixaban's current licensing...

Patients with cancer are at an increased risk of symptomatic venous thromboembolism (VTE). In addition, an increasing number of patients with incidental thromboembolic events have been recorded in clinical practice. Therapeutic anticoagulation is crucial to prevent thrombus progression and reduce risk of recurrence; however, this comes at the price of an increased bleeding risk, which necessitates a personalised approach to choose the most appropriate type of therapy. Over the last decade, low-molecular-weight heparin has been the preferred anticoagulant agent for patients with cancer-associated thrombosis due to better efficacy and similar safety profile compared with vitamin K antagonists...

Background Standard treatment for deep venous thromboembolism involves parenteral anticoagulation overlapping with a vitamin K antagonist, an approach that is effective but associated with limitations including the need for frequent coagulation monitoring. The direct oral anticoagulant rivaroxaban is similarly effective to standard therapy as a single-drug treatment for venous thromboembolism and does not require routine coagulation monitoring. The aim of this analysis was to project the long-term costs and outcomes for rivaroxaban compared to standard of care (tinzaparin/warfarin)...