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Successful intravenous thrombolysis for ischemic stroke after reversal of dabigatran anticoagulation with idarucizumab: a case report.

ABSTRACT: Non-vitamin K antagonist oral anticoagulants, including dabigatran, are currently widely used for the prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation. Recently, idarucizumab, a monoclonal antibody fragment for immediate reversal of dabigatran-induced anticoagulation, has been introduced into the market to be used in life-threatening bleeding or urgent surgery, allowing for rapid normalization of clotting parameters. The use of idarucizumab is not yet well established in patients presenting with acute ischemic stroke on dabigatran who are candidates for thrombolytic therapy.We report the case of a 71-year-old hypertensive Caucasian woman with non-valvular atrial fibrillation treated with dabigatran 150 mg twice daily, who presented with acute ischemic stroke causing right-sided hemiparesis and aphasia. Two hours after presentation to the emergency department, a decision was made to administer idarucizumab for achieving complete reversal of any potential anticoagulant effect of dabigatran and, in the absence of any contraindications, our patient underwent successful thrombolysis. At discharge, our patient was able to walk unassisted and had only residual aphasia. Twenty days later, she had completely recovered motor function of her right side, with further progressive improvement of aphasia. Repeat cranial computed tomography confirmed the absence of hemorrhage, and anticoagulant therapy with dabigatran 150 mg twice daily was resumed.Our case report adds to the evidence that idarucizumab administration is safe in the setting of patients with atrial fibrillation treated with dabigatran who develop acute ischemic stroke requiring thrombolysis.

SUBMITTER: Agosti S

PROVIDER: S-EPMC5557536 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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Project description:Background and Purpose Acute ischemic stroke (AIS) is a major life-threatening consequence of cardiac myxoma (CM) and leads to a poor prognosis. Although intravenous thrombolysis (IVT) is the first-line treatment for AIS, its efficacy and safety in CM-AIS have not been established. Currently, there are only limited data from case reports. Our study aimed to investigate the clinical characteristics of CM-AIS and evaluate the safety and efficacy of IVT for CM-AIS patients. Methods Fourteen CM-AIS patients who received IVT between January 2016 and December 2021 were identified from our multicenter stroke registry databases. Clinical, neuroimaging and outcome data were analyzed. We then performed a pooled analysis of the published literature from inception to December 2021. Results Of the 14 CM-AIS patients, nine were treated with IVT alone, and five were treated with bridging therapy (BT). The median age was 51.5 years, and 57.1% were female. The median onset-to-needle time was 160 min. The median National Institute of Health Stroke Score (NIHSS) decreased from 15.5 at presentation to 13 24 h after IVT. Very early neurological improvement (VENI) was observed in one patient. Hemorrhagic transformation (HT) was observed in five (35.7%) patients, and only one patient was symptomatic (7.1%). Three-month favorable outcomes were achieved in six patients (66.7%) who underwent IVT alone and three patients (60%) who received BT, which resulted in a total proportion of favorable outcomes of 64.3%. None of the patients died at 3 months follow-up. Forty-seven cases (15 BT patients) were included for the pooled analysis. The median NIHSS score was 16.5, and VENI was observed in 10 (21.3%) patients. HT was detected in 11 patients (23.4%), and four (8.5%) patients were symptomatic. Favorable outcomes at 3 months were achieved in 61.7% of patients, 56.3% of patients who underwent IVT alone, and 73.3% of patients who received BT. The 3-month mortality rate was 4.3%. Conclusions IVT is a potentially safe and efficient treatment for CM-AIS patients. Further studies with larger sample sizes are required to provide more evidence on the safety and efficacy of IVT and BT in CM-AIS patients.

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Successful intravenous thrombolysis for ischemic stroke after reversal of dabigatran anticoagulation with idarucizumab: a case report.

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