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        Non-Vitamin K Oral Anticoagulants in Stroke Patients: Practical Issues

        Hans-Christoph Diener,Christoph Kleinschnitz 대한뇌졸중학회 2016 Journal of stroke Vol.18 No.2

        Non-vitamin-K oral anticoagulants (NOACs) represent a major advance in the prevention of stroke in patients with atrial fibrillation (AF), offering a similar, if not superior, efficacy and safety profile and several practical advantages over oral vitamin K antagonists (VKAs). The rapid onset of action of the NOACs, their relatively short half-live, and the availability of specific reversal agents may be advantageous when managing acute ischemic strokes, and in the post-stroke, post-transient ischemic attack, and post-intracranial hemorrhage settings. In this review article, we offer practical guidance on the use of NOACs in these settings, focusing on managing the acute event and on initiating or resuming anticoagulation for secondary prevention. We also assess the use of NOACs to prevent stroke and bleeding in patients with AF who have chronic kidney disease, are elderly, or cognitively impaired, and we offer guidance on optimizing the use of NOACs and VKAs in these patient groups in the absence of evidence-based guidelines.

      • Telmisartan to prevent recurrent stroke and cardiovascular events.

        Yusuf, Salim,Diener, Hans-Christoph,Sacco, Ralph L,Cotton, Daniel,Ounpuu, Stephanie,Lawton, William A,Palesch, Yuko,Martin, Reneé,H,Albers, Gregory W,Bath, Philip,Bornstein, Natan,Chan, Bernard Massachusetts Medical Society 2008 The New England journal of medicine Vol.359 No.12

        <P>BACKGROUND: Prolonged lowering of blood pressure after a stroke reduces the risk of recurrent stroke. In addition, inhibition of the renin-angiotensin system in high-risk patients reduces the rate of subsequent cardiovascular events, including stroke. However, the effect of lowering of blood pressure with a renin-angiotensin system inhibitor soon after a stroke has not been clearly established. We evaluated the effects of therapy with an angiotensin-receptor blocker, telmisartan, initiated early after a stroke. METHODS: In a multicenter trial involving 20,332 patients who recently had an ischemic stroke, we randomly assigned 10,146 to receive telmisartan (80 mg daily) and 10,186 to receive placebo. The primary outcome was recurrent stroke. Secondary outcomes were major cardiovascular events (death from cardiovascular causes, recurrent stroke, myocardial infarction, or new or worsening heart failure) and new-onset diabetes. RESULTS: The median interval from stroke to randomization was 15 days. During a mean follow-up of 2.5 years, the mean blood pressure was 3.8/2.0 mm Hg lower in the telmisartan group than in the placebo group. A total of 880 patients (8.7%) in the telmisartan group and 934 patients (9.2%) in the placebo group had a subsequent stroke (hazard ratio in the telmisartan group, 0.95; 95% confidence interval [CI], 0.86 to 1.04; P=0.23). Major cardiovascular events occurred in 1367 patients (13.5%) in the telmisartan group and 1463 patients (14.4%) in the placebo group (hazard ratio, 0.94; 95% CI, 0.87 to 1.01; P=0.11). New-onset diabetes occurred in 1.7% of the telmisartan group and 2.1% of the placebo group (hazard ratio, 0.82; 95% CI, 0.65 to 1.04; P=0.10). CONCLUSIONS: Therapy with telmisartan initiated soon after an ischemic stroke and continued for 2.5 years did not significantly lower the rate of recurrent stroke, major cardiovascular events, or diabetes. (ClinicalTrials.gov number, NCT00153062.)</P>

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        Establishment of the Heart and Brain Team for Patent Foramen Ovale Closure in Stroke Patients: An Expert Opinion

        Jong S. Kim,Vincent Thijs,Matias Yudi,Kazunori Toyoda,Masayuki Shiozawa,Jin Zening,Brian Clapp,Bert Albers,Hans-Christoph Diener 대한뇌졸중학회 2022 Journal of stroke Vol.24 No.3

        The online 2021 Asian-Pacific Heart and Brain Summit was organized to present and discuss experiences within leading Asian-Pacific centers with regard to institutional heart and brain teams managing the diagnosis, treatment, and follow-up of cryptogenic stroke (CS) patients with patent foramen ovale (PFO). This manuscript presents a narrative review of presentations and discussions during the summit meeting. Percutaneous PFO closure is an established therapy for CS patients in whom PFO is considered to be causal. Guidelines and consensus statements emphasize the importance of multidisciplinary clinical decision-making regarding PFO closure with the involvement of several clinical specialties, including neurology, cardiology, and hematology. It is also recommended that the patient be closely involved in this process. The heart and brain team is a collaborative platform that facilitates such a multidisciplinary decision-making process and patient involvement. It also creates opportunities for education and evaluation of the healthcare provided to patients with CS. This review provides insights into the implementation, composition, organization, and operation of a heart and brain team. Methods and metrics are suggested to evaluate the team’s role. We suggest that an efficient heart and brain team can implement guideline-recommended multidisciplinary clinical decision-making with regard to PFO closure in CS patients and play an important role in the management of these patients.

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