Faculty of Medicine

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A prognostic score to identify women at increased risk for abnormal uterine bleeding during anticoagulation for venous thromboembolism,
(Elsevier, 2023)
Gabrielle Sarlon-Bartoli,
;
Juan Criado,
;
Saskia Middeldorp,
;
José Antonio Nieto,
;
María del Carmen Díaz-Pedroche,
Introduction Little is known about the clinical characteristics of women at increased risk for abnormal uterine bleeding (UB) during anticoagulation for venous thromboembolism (VTE). Methods We used the RIETE registry to identify the baseline characteristics of women developing abnormal UB during anticoagulation. We used logistic regression analysis to identify independent predictors for abnormal UB. Then, we built a prognostic score to identify at-risk women. Results From March 2001 through October 2022, there were 54,372 women with VTE. During anticoagulation (median, 181 days), 318 (0.6%) developed abnormal UB (major bleeding = 88, clinically relevant non-major (CRNM) = 230). On multivariable analysis, women aged <50 years, weighing >70 kg, with uterine cancer, recent UB, anemia, estrogen-related VTE, or receiving rivaroxaban or apixaban were at increased risk for abnormal UB. Using the prognostic score, 42,273 women (78%) were at low-risk, 8,828 (16%) intermediate-, and 3,271 (6.1%) at high-risk for abnormal UB. Their rates of abnormal UB were: 0.28 (95%CI: 0.23–0.35), 1.32 (95%CI: 1.07–1.61) and 7.12 (95%CI: 5.98–8.41) bleeds per 100 patient-years, respectively. The c-statistic was 0.80 (95%CI: 0.77–0.83). The rates of major UB were: 0.06 (95%CI: 0.04–0.09), 0.43 (95%CI: 0.30–0.60) and 1.85 (95%CI: 1.31–2.53) per 100 patient-years, respectively (c-statistic: 0.84; 95%CI: 0.80–0.89). The rates of CRNM uterine bleeding were: 0.21 (95%CI: 0.17–0.26), 0.85 (95%CI: 0.65–1.08), and 5.02 (95%CI: 4.09–6.10) bleeds per 100 patient-years, respectively (c-statistic: 0.78; 95%CI: 0.75–0.82). Conclusions Using 7 variables easily available at admission, we built a prognostic score that reliably identified women with VTE at increased risk for abnormal UB during anticoagulation.
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Venous thromboembolism in radiation therapy cancer patients: Findings from the RIETE registry,.
(Elsevier, 2017)
Jean-Baptiste Guy,
;
Laurent Bertoletti,
;
Nicolas Magné,
;
Chloé Rancoule,
;
Ihloé Rancoule,
Background: Cancer patients are at high risk of venous thromboembolism, particularly during cancer treatment. Conversely to chemotherapy, data on the epidemiology and clinical features of venous thromboembolism during radiation therapy are scarce. There is lack of evidence on the influence of radiation therapy (RT) on outcome in cancer patients with acute venous thromboembolism (VTE). Methods: We used the RIETE (Registro Informatizado de Enfermedad ThromboEmbolica) database to assess the clinical characteristics and outcome of prospectively-collected consecutive patients with cancer-associated thrombosis occurred during the course of radiation therapy for cancer. Death, venous thromboembolism recurrences and major bleeding rates during long-term follow-up according to cancer site and treatment were compared RESULTS: 9284 Patients with active cancer and VTE were enrolled in RIETE: 4605 with pulmonary embolism (PE) and 4679 with deep vein thrombosis (DVT). In all, 1202 (13%) were receiving RT. This last sub-population had a higher rate of PE recurrences and a similar rate of DVT recurrences or major bleeding than those not receiving RT. Patients on RT had a higher rate of cerebral bleeding. Conclusions: In this cohort of cancer patients with VTE, a significant proportion of them received RT before VTE, the latter experienced a higher risk of cerebral bleeding.
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Outcome after discontinuing anticoagulant therapy in women with venous thromboembolism during hormonal use
(Elsevier, 2017)
Ángeles Blanco-Molina,
;
Javier Trujillo-Santos,
;
Raffaele Pesavento,
;
Vladimir Rosa,
;
Conxita Falgá,
Introduction: Whether women developing venous thromboembolism (VTE) while using hormonal therapy should be classified as having "unprovoked" or "provoked" VTE is controversial. Methods: We used the RIETE (Registro Informatizado Enfermedad TromboEmbólica) database to compare the rate of symptomatic VTE recurrences after discontinuing anticoagulation in 3 subgroups of women aged ≤50years without cancer, pregnancy or puerperium: (1) those with hormonal therapy and no additional risk factors (hormonal users only); (2) those with unprovoked VTE; and (3) those with additional risk factors, with or without hormonal therapy. Results: As of March 2016, 1513 women had been followed-up for at least one month after discontinuing anticoagulation. Of these, 654 (43%) were hormonal users only, 390 (26%) had unprovoked VTE and 469 (31%) had transient risk factors with or without hormonal therapy. After discontinuing anticoagulation, the rate of VTE recurrences in women with hormonal use only (2.44 per 100 patient-years; 95% CI: 1.53-3.69) was significantly lower than in those with unprovoked VTE (6.03; 95% CI: 3.97-8.77) and similar to those with transient risk factors (2.58; 95% CI: 1.50-4.13). Interestingly, the rate of VTE recurrences presenting as pulmonary embolism in women with hormonal use only (0.55 per 100 patient-years; 95% CI: 0.18-1.29) was similar to those with transient risk factors (0.46; 95% CI: 0.09-1.33) and 4-fold lower than in women with unprovoked VTE (2.23; 95% CI: 1.07-4.10). Conclusions: After discontinuing anticoagulation, the rate of VTE recurrences in hormonal users only was significantly lower than in women with unprovoked VTE and similar to the rate in women with additional risk factors.
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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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