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Uterine bleeding during anticoagulation in women with venous thromboembolism.
(Elsevier, 2017)
Moustafa F,
;
Fernández S,
;
Fernández-Capitán C,
;
Nieto JA,
;
Pedrajas JM,
Background: Women presenting with uterine bleeding during the course of anticoagulant therapy for venous thromboembolism (VTE) present a difficult therapeutic dilemma due to the absence of evidence-based recommendations. Methods: We used the RIETE (Registro Informatizado Enfermedad TromboEmbólica) database to assess the clinical characteristics of women presenting with uterine bleeding during anticoagulation for VTE, its frequency, time course, management and 30-day outcomes. Results: As of October 2016, 31,951 women with VTE were recruited in RIETE. During the course of anticoagulant therapy, 53 (0.17%) developed major uterine bleeding, 118 (0.37%) non-major uterine bleeding and 948 (2.97%) had major bleeding in other sites. Median time elapsed from VTE to bleeding was: 32, 71 and 22 days, respectively. Mean age was: 56±17, 52±20 and 75±14 years, respectively. Women with major uterine bleeding more likely had cancer (51%), anemia (72%), raised platelet count (19%) or recent major bleeding (11%) at VTE presentation than those in the other subgroups. During the first 30 days after bleeding, 17%, 1.7% and 31% of women died, respectively. Of 11 women with uterine bleeding who died, 9 (82%) had cancer, two (18%) died of bleeding and one (9.1%) died of pulmonary embolism after discontinuing anticoagulation. Conclusions: Uterine bleeding during the course of anticoagulation for VTE is not uncommon and mostly affects young women. Those with cancer, anaemia, raised platelet count or recent bleeding at baseline are at an increased risk for uterine bleeding during anticoagulation.
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Vena cava filters in patients presenting with major bleeding during anticoagulation for venous thromboembolism.
(Springer, 2019)
Mellado M,
;
Trujillo-Santos J,
;
Bikdeli B,
;
Jiménez D,
;
Núñez MJ,
The association between inferior vena cava filter (IVC) use and outcome in patients presenting with major bleeding during anticoagulation for venous thromboembolism (VTE) has not been thoroughly investigated. We used the RIETE registry to compare the 30-day outcomes (death, major re-bleeding or VTE recurrences) in VTE patients who bled during the first 3 months of therapy, regarding the insertion of an IVC filter. A propensity score matched (PSM) analysis was performed to adjust for potential confounders. From January 2001 to September 2016, 1065 VTE patients had major bleeding during the first 3 months of anticoagulation (gastrointestinal 370; intracranial 124). Of these, 122 patients (11%) received an IVC filter. Patients receiving a filter restarted anticoagulation later (median, 4 vs. 2 days) and at lower doses (95 ± 52 IU/kg/day vs. 104 ± 55 of low-molecular-weight heparin) than those not receiving a filter. During the first 30 days after bleeding (after excluding 246 patients who died within the first 24 h), 283 patients (27%) died, 63 (5.9%) had non-fatal re-bleeding and 19 (1.8%) had recurrent pulmonary embolism (PE). In PSM analysis, patients receiving an IVC filter (n = 122) had a lower risk for all-cause death (HR 0.49; 95% CI 0.31-0.77) or fatal bleeding (HR 0.16; 95% CI 0.07-0.49) and a similar risk for re-bleeding (HR 0.55; 95% CI 0.23-1.40) or PE recurrences (HR 1.57; 95% CI 0.38-6.36) than those not receiving a filter (n = 429). In VTE patients experiencing major bleeding during the first 3 months, use of an IVC filter was associated with reduced mortality rates.Clinical Trial Registration NCT02832245.
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Venous thromboembolism in centenarians: Findings from the RIETE registry
(Elsevier, 2016)
Lacruz B
;
Tiberio G
;
Núñez MJ
;
López-Jiménez L
;
Riera-Mestre A
Background: The balance between the efficacy and safety of anticoagulant therapy in patients aged ≥100years receiving anticoagulant therapy for venous thromboembolism (VTE) is uncertain. Methods: We used data from the RIETE (Registro Informatizado Enfermedad TromboEmbólica) database to assess the rate of VTE recurrences, bleeding events, and mortality appearing during the course of anticoagulant therapy in VTE patients aged ≥100years. Results: Of 61,173 patients enrolled in RIETE as of January 2016, 47 (0.08%) were aged ≥100years. Of these, 10 (21%) were men, 21 (45%) presented with pulmonary embolism (PE), and 26 with deep vein thrombosis alone. Overall, 35 patients (74%) had severe renal insufficiency, 14 (30%) chronic heart failure, 30 (64%) anemia, 16 (34%) were taking antiplatelets, and 6 (13%) corticosteroids or non-steroidal anti-inflammatory drugs. Most patients (95%) were treated initially with low-molecular-weight heparin (LMWH) (mean daily dose, 168±42IU/kg). Then, 14 (30%) switched to vitamin K antagonists and 29 (62%) kept receiving long-term LMWH therapy (mean, 148±51IU/kg/day). During the course of anticoagulant therapy (mean duration, 139days), mortality was high (15/47; 32%). Two patients died of PE (initial PE one, recurrent PE one) and 5 (11%) had minor bleeding, but no major bleeding was reported. Conclusions: Among patients with acute VTE aged ≥100years, the risk of VTE recurrences during the course of anticoagulation outweighed the risk of bleeding. Our data suggest the use of standard anticoagulant therapy in this patient population, even if they have severe renal insufficiency.

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