Faculty of Medicine

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    Item type:Publication,
    Outcomes Associated With Inferior Vena Cava Filters Among Patients With Thromboembolic Recurrence During Anticoagulant Therapy.
    (Elsevier, 2016)
    Mellado M
    ;
    Pijoan JI
    ;
    Jiménez D
    ;
    Muriel A
    ;
    Aujesky D
    Objectives: The aim of this study was to assess the effectiveness of inferior vena cava (IVC) filter use among patients who develop recurrent symptomatic venous thromboembolism (VTE) on anticoagulant therapy. Background: There is a lack of efficacy evidence of IVC filter therapy in patients with VTE recurrence on anticoagulant therapy. Methods: In this cohort study of patients with acute VTE identified from the RIETE (Registro Informatizado de la Enfermedad Tromboembólica) registry, the associations between IVC filter placement for VTE recurrence in the first 3 months of anticoagulant therapy and the outcomes of all-cause mortality, pulmonary embolism (PE)-related mortality, second recurrent VTE, and major bleeding rates through 30 days after diagnosis of recurrence were assessed. Results: Among 17 patients treated with filters and 49 matched patients treated without filters for VTE recurrence that presented as deep vein thrombosis, propensity score-matched groups showed no significant differences in death for filter insertion compared with no insertion (17.7% vs. 12.2%; p = 0.56). Among 48 patients treated with filters and 91 matched patients treated without filters for VTE recurrence that presented as PE, propensity score-matched groups showed a significant decrease in all-cause death for filter insertion compared with no insertion (2.1% vs. 25.3%; p = 0.02). The PE-related mortality rate was not significantly lower for filter insertion than no insertion (2.1% vs. 17.6%; p = 0.08), though the point estimates markedly differed. Conclusions: Among patients with VTE recurrence during the first 3 months of anticoagulant therapy, IVC filter insertion was not associated with a survival benefit in patients who recurred with deep vein thrombosis, although it was associated with a lower risk for all-cause death in patients who recurred with PE.
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    Item type:Publication,
    The Clinical Course of Venous Thromboembolism May Differ According to Cancer Site.
    (Elsevier, 2016)
    Mahé I
    ;
    Chidiac J
    ;
    Bertoletti L
    ;
    Font C
    ;
    Trujillo-Santos J
    Background: We hypothesized that the clinical course of venous thromboembolism in patients with active cancer may differ according to the specificities of primary tumor site. Aim and methods: We used data from RIETE (international registry of patients with venous thromboembolism) to compare the clinical venous thromboembolism-related outcomes during the course of anticoagulation in patients with one of the 4 more frequent cancers (breast, prostate, colorectal, or lung cancer). Results: As of September 2014, 3947 cancer patients were recruited, of whom 938 had breast, 629 prostate, 1189 colorectal, and 1191 lung cancer. Overall, 55% had metastatic disease (42%, 36%, 53%, and 72%, respectively). During the course of anticoagulant therapy (mean duration, 139 days), the rate of thromboembolic recurrences was similar to the rate of major bleeding in patients with breast (5.6 [95% confidence interval (CI), 3.8-8.1] vs 4.1 [95% CI, 2.7-5.9] events per 100 patient-years) or colorectal cancer (10 [95% CI, 7.6-13] vs 12 [95% CI, 9.4-15] per 100 patient-years). In contrast, in patients with prostate cancer, the rate of venous thromboembolic recurrences was half the rate of major bleeding (6.9 [95% CI, 4.4-10] vs 13 [95% CI, 9.2-17] events per 100 patient-years), whereas in those with lung cancer, the rate of thromboembolic recurrences was twofold higher than the rate of major bleeding (27 [95% CI, 22-23] vs 11 [95% CI, 8.6-15] per 100 patient-years). Conclusions: Significant differences in the clinical profile of venous thromboembolic-related outcomes were observed according to the site of cancer. These findings suggest the development of cancer-specific anticoagulant strategies as an area for further research.