Successful Resolution of a Large Left Ventricular Thrombus with Rivaroxaban.
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ABSTRACT:
SUBMITTER: DeCampos D
PROVIDER: S-EPMC7451852 | biostudies-literature | 2020 Aug
REPOSITORIES: biostudies-literature
Publications
Successful Resolution of a Large Left Ventricular Thrombus with Rivaroxaban.
DeCampos Diana D Lopes João J Saleiro Carolina C Puga Luís L Sousa José Pedro JP Morgado Gomes Ana Rita AR Teixeira Rogério R Gonçalves Lino L
CASE (Philadelphia, Pa.) 20200603 4
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Project description:Background: The role of rivaroxaban in patients with heart failure (HF) combined with left ventricular (LV) thrombus remains unknown in current guideline-directed anticoagulant therapy. The aim of this study was to investigate the impact on clinical outcomes of rivaroxaban compared to vitamin K antagonists (VKAs) in patients with HF combined with LV thrombus. Methods: We retrospectively extracted clinical, echocardiographic and follow-up data of HF patients (all classifications) admitted at China-Japan Union Hospital of Jilin University from January 2017 to June 2021. A total of 198 patients with HF were identified with LV thrombus by echocardiography, 78 of them were managed with VKAs, 109 with rivaroxaban. Results: The median follow-up was 17.0 months (interquartile range: 6.0-24.0 months). High rates of major cardiovascular adverse events (MACEs) were observed in both the rivaroxaban and VKAs groups (49.5% vs. 57.7%). However, rivaroxaban versus VKAs observed a decrease in MACEs (adjusted HR:0.636; 95%CI:0.418-0.970; p = 0.035) and systemic embolism (4.6% vs. 12.8%; adjusted HR:0.318; 95%CI:0.108-0.933; p = 0.037; Gray's test p = 0.041) but was not found to have a benefit with regard to LV thrombus resolution (59.6% vs. 70.6%; adjusted HR: 1.303; 95% CI:0.898-1.890; p = 0.163; Gray's test p = 0.073). Additionally, there was no significant between-group difference in the rate of International Society on Thrombosis and Hemostasis (ISTH) bleeding events. Conclusion: Our data found that in populations with HF combined with LV thrombus, the overall prognosis in both the rivaroxaban and VKAs groups was catastrophic. Although rivaroxaban improved the prognosis to some extent, a considerable need remains for new treatments to improve their clinical course.
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Project description:Left ventricular (LV) thrombus in patients with reduced LV systolic function carries significant thromboembolic risk. Direct oral anticoagulants are an attractive alternative to warfarin for LV thrombus management. However, there are not enough data regarding the safety and efficacy of direct oral anticoagulants for the treatment of LV thrombus. (Level of Difficulty: Beginner.).
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Project description:Prosthetic valve complications are not uncommon after valve replacement. In this paper we report a female patient who presented with aortic prosthetic valve endocarditis and echocardiographic appearance of periaortic abscess. After 6 weeks of antibiotic therapy, echocardiographic examination revealed resolution of abscess cavity and replacement with a clear blood-filled anechoic sac. Diagnosis was made by cardiac computed tomography, which showed a left ventricular outflow tract (LVOT) pseudoaneurysm rather than an abscess, located just below the sewing ring of the prosthetic aortic valve. We assumed that either resolution of thrombus in LVOT pseudoaneurysm following effective warfarin therapy or clearance of infective content in pseudoaneurysm after co-administered antibiotics gave rise to change in echocardiographic characteristics in the perivalvular area.
| S-EPMC6265153 | biostudies-literature
Project description:AimsA left ventricular thrombus (LVT) is not uncommon in patients with impaired LV systolic function. However, the treatment strategy for LVT has not yet been fully established. We aimed to identify the factors influencing LVT resolution and the significance of LVT resolution on clinical outcomes.MethodsWe retrospectively investigated patients diagnosed with LVT with left ventricular ejection fraction (LVEF) < 50% on transthoracic echocardiography from January 2010 to July 2021 in a single tertiary centre. LVT resolution was monitored through serial follow-up transthoracic echocardiography. The primary clinical outcome was a composite of all-cause death, stroke, transient ischaemic attack, and arterial thromboembolic events. LVT recurrence was also evaluated in patients with LVT resolution.ResultsThere were 212 patients diagnosed with LVT (mean age, 60.5 ± 14.0 years; male, 82.5%). The mean LVEF was 33.1 ± 10.9%, and 71.7% of patients were diagnosed with ischaemic cardiomyopathy. Most patients were treated with vitamin K antagonists (86.7%), and 28 patients (13.2%) were treated with direct oral anticoagulants or low molecular weight heparin. LVT resolution was observed in 179 patients (84.4%). LVEF improvement failure within 6 months was a significant factor hindering LVT resolution (hazard ratio, HR: 0.52, 95% confidence interval, CI: 0.31-0.85, P = 0.010). During a median 4.0 years of follow-up (interquartile range, IQR: 1.9 to 7.3 years), 32 patients (15.1%) experienced primary outcomes (18 all-cause deaths, 15 strokes, and 3 arterial thromboembolisms) and 20 patients (11.2%) experienced LVT recurrence after LVT resolution. LVT resolution was independently associated with a lower risk for primary outcomes (HR: 0.45, 95% CI: 0.21-0.98, P = 0.045). In the patients with resolved LVT, discontinuation or duration of anticoagulation after resolution were not significant predictors for LVT recurrence, but LVEF improvement failure at LVT resolution was associated with a significantly higher risk of LVT recurrence (HR: 3.10, 95% CI: 1.23-7.78, P = 0.016).ConclusionsThis study suggests that LVT resolution is an important predictor for favourable clinical outcomes. LVEF improvement failure interfered with LVT resolution and appeared to be a crucial factor for LVT recurrence. After LVT resolution, continuation of anticoagulation did not seem to impact LVT recurrence and the prognosis.
| S-EPMC10192267 | biostudies-literature
Project description:RationaleLeft ventricular non-compaction cardiomyopathy (LVNC) is a rare heart disorder related to thrombosis. Anticoagulant therapy is suggested for the treatment of this disease. The success of the novel oral anticoagulant rivaroxaban as a treatment option for this disorder is unclear.Patient concernsA 43-year-old man who felt dizzy at rest was found to have an intraventricular thrombus.DiagnosesThe thrombus was confirmed by echocardiography. And LVNC was diagnosed by cardiac magnetic resonance (CMR) and echocardiography.InterventionsHe was prescribed a low dose (10 mg daily) of rivaroxaban as treatment.OutcomesAfter 3 months, the thrombus diminished, and the manifestation disappeared.LessonsLow dose of rivaroxaban may serve as a viable option for anticoagulation therapy in LVNC patients, with large clinical trials needed to determine the best course of treatment.
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Project description:Evidence on the treatment for left ventricular (LV) thrombus is limited and mainly derives from retrospective studies. The aim of R-DISSOLVE was to explore the effectiveness and safety of rivaroxaban in patients with LV thrombus. R-DISSOLVE was a prospective, interventional, single-arm study, conducted from Oct 2020 to June 2022 at Fuwai Hospital, China. Patients with a history of LV thrombus < 3 months and with systemic anticoagulation therapy < 1 month were included. The thrombus was quantitatively confirmed by contrast-enhanced echocardiography (CE) at baseline and follow-up visits. Eligible patients were assigned to rivaroxaban (20 mg once daily or 15 mg if creatinine clearance was between 30 and 49 mL/min) and its concentration was determined by detecting anti-Xa activity. The primary efficacy outcome was the rate of LV thrombus resolution at 12 weeks. The main safety outcome was the composite of ISTH major and clinically relevant non-major bleeding. A total of 64 patients with complete CE results were analyzed for efficacy outcomes. The mean LV ejection fraction was 25.4 ± 9.0%. The dose-response curve of rivaroxaban was satisfactory based on the peak and trough plasma levels and all concentrations were in the recommended treatment range according to NOAC guidelines. The incidence rate of thrombus resolution at 6 weeks was 66.1% (41/62, 95% CI 53.0-77.7%), and of thrombus resolution or reduction was 95.2% (59/62, 95% CI 86.5-99.0%). At 12 weeks, the thrombus resolution rate was 78.1% (50/64, 95% CI 66.0-87.5%) while the rate of thrombus resolution or reduction was 95.3% (61/64, 95% CI 86.9-99.0%). The main safety outcome occurred in 4 of 75 patients (5.3%) (2 ISTH major bleeding and 2 clinically relevant non-major bleeding). In patients with LV thrombus, we reported a high thrombus resolution rate with acceptable safety by rivaroxaban, which could be a potential option for further LV thrombus treatment.Trial registration This study was registered at ClinicalTrials.gov as NCT04970381.
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Project description:Left ventricular apical thrombus is a known complication following an anterior ST-elevation myocardial infarction. Although left ventriculography may suggest an apical thrombus in the presence of a filling defect, additional imaging with echocardiography and/or cardiac magnetic resonance is strongly recommended to further characterize the thrombus post myocardial infarction.
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