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  • Ovid Technologies (Wolters Kluwer Health)  (5)
  • Yagita, Yoshiki  (5)
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  • Ovid Technologies (Wolters Kluwer Health)  (5)
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  • 1
    Online Resource
    Online Resource
    Practical “1-2-3-4-Day” Rule for Starting Direct Oral Anticoagulants After Ischemic Stroke With Atrial Fibrillation: Combined Hospital-Based Cohort Study
    Ovid Technologies (Wolters Kluwer Health) ; 2022
    In:  Stroke Vol. 53, No. 5 ( 2022-05), p. 1540-1549
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 53, No. 5 ( 2022-05), p. 1540-1549
    Abstract: The “1-3-6-12-day rule” for starting direct oral anticoagulants (DOACs) in patients with nonvalvular atrial fibrillation after acute ischemic stroke or transient ischemic attack recommends timings that may be later than used in clinical practice. We investigated more practical optimal timing of DOAC initiation according to stroke severity. Methods: The combined data of prospective registries in Japan, Stroke Acute Management with Urgent Risk-factor Assessment and Improvement-nonvalvular atrial fibrillation (September 2011 to March 2014) and RELAXED (February 2014 to April 2016) were used. Patients were divided into transient ischemic attack and 3 stroke subgroups by the National Institutes of Health Stroke Scale score: mild (0–7), moderate (8–15), and severe (≥16). The early treatment group was defined as patients starting DOACs earlier than the median initiation day in each subgroup. Outcomes included a composite of recurrent stroke or systemic embolism, ischemic stroke, and severe bleeding within 90 days. Six European prospective registries were used for validation. Results: In the 1797 derivation cohort patients, DOACs were started at median 2 days after transient ischemic attack and 3, 4, and 5 days after mild, moderate, and severe strokes, respectively. Stroke or systemic embolism was less common in Early Group (n=785)—initiating DOACS within 1, 2, 3, and 4 days, respectively—than Late Group (n=1012) (1.9% versus 3.9%; adjusted hazard ratio, 0.50 [95% CI, 0.27–0.89]), as was ischemic stroke (1.7% versus 3.2%, 0.54 [0.27–0.999] ). Major bleeding was similarly common in the 2 groups (0.8% versus 1.0%). On validation, both ischemic stroke (2.4% versus 2.2%) and intracranial hemorrhage (0.2% versus 0.6%) were similarly common in Early (n=547) and Late (n=1483) Groups defined using derivation data. Conclusions: In Japanese and European populations, early DOAC initiation within 1, 2, 3, or 4 days according to stroke severity seemed to be feasible to decrease the risk of recurrent stroke or systemic embolism and no increase in major bleeding. These findings support ongoing randomized trials to better establish the optimal timing of DOAC initiation.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/STROKEAHA.121.036695
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2022
    detail.hit.zdb_id: 1467823-8
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  • 2
    Online Resource
    Online Resource
    Abstract WP115: Cilostazol Addition to Aspirin Does Not Alter the Short-Term Neurological Outcome in Each Clinical Subtype of Acute Stroke
    Ovid Technologies (Wolters Kluwer Health) ; 2020
    In:  Stroke Vol. 51, No. Suppl_1 ( 2020-02)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 51, No. Suppl_1 ( 2020-02)
    Abstract: Hypothesis: Our previous study, ADS reported that dual antiplatelet therapy (DAPT) using cilostazol and aspirin did not reduce the rate of short-term neurological worsening in non-cardioembolic stroke patients. The aim of the present study is to investigate 1) whether the impact of cilostazol addition to aspirin differ among each stroke subtype, and 2) factors associated with neurological deterioration and/or stroke recurrence in order to find therapeutic target. Methods: This is a retrospective analysis using the ADS databank. Neurological worsening and the rates of stroke recurrence within 14 day of onset were evaluated. Stroke subtype included large-artery atherosclerosis (LAA), lacunae infarct (LI), branch atheromatous disease (BAD), other, and undetermined. Results: Data on 1,160 patients (773 [67%] men; median age, 69 [61-77] years, NIHSS score was 2 [1-4]) were analyzed. At discharge, 167 (14%) were diagnoses as having LAA; LI, 532 (46%); BAD, 173 (15%); other, 132 (11%); and undetermined, 156 (14%). Neurological deterioration and/or recurrence were seen in 130 (11%) patients, and the rates were not different between patients treated with DAPT and aspirin in any stroke subtypes: LAA, 19% (DAPT) vs. 11% (aspirin alone), (p=0.185); LI, 4% vs. 3% (p=0.645); BAD, 33% vs.34%, (p=0.872), other, 8% vs.14% (p=0.272); undetermined, 13% vs. 8% (p=0.301). When we evaluated factors related to the deterioration/recurrence, age (p 〈 0.001), NIHSS score (p 〈 0.001), systolic and diastolic blood pressures (p 〈 0.001, and 0.025), whiter matter change (p=0.002), large infarcts 〉 1.5cm (p 〈 0.001), and intracranial stenosis/occlusion (p 〈 0.001) were found. Multivariate regression analysis revealed older age (p=0.003), systolic blood pressure (p=0.013), larger infarct (p=0.001), intracranial stenosis/occlusion (p 〈 0.035) were the independent factors associated with neurological deterioration/stroke recurrence. Conclusions: Dual antiplatelet therapy using cilostazol and aspirin does not reduce the rate of short-term neurological worsening in each clinical stroke subtype. Improvement of hyperacute therapy targeting the elder patients with elevated blood pressure, large infarct and intracranial stenosis/occlusion should be required.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.51.suppl_1.WP115
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2020
    detail.hit.zdb_id: 1467823-8
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Higher Risk of Ischemic Events in Secondary Prevention for Patients With Persistent Than Those With Paroxysmal Atrial Fibrillation
    Ovid Technologies (Wolters Kluwer Health) ; 2016
    In:  Stroke Vol. 47, No. 10 ( 2016-10), p. 2582-2588
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 47, No. 10 ( 2016-10), p. 2582-2588
    Abstract: The discrimination between paroxysmal and sustained (persistent or permanent) atrial fibrillation (AF) has not been considered in the approach to secondary stroke prevention. We aimed to assess the differences in clinical outcomes between mostly anticoagulated patients with sustained and paroxysmal AF who had previous ischemic stroke or transient ischemic attack. Methods— Using data from 1192 nonvalvular AF patients with acute ischemic stroke or transient ischemic attack who were registered in the SAMURAI-NVAF study (Stroke Management With Urgent Risk-Factor Assessment and Improvement-Nonvalvular AF; a prospective, multicenter, observational study), we divided patients into those with paroxysmal AF and those with sustained AF. We compared clinical outcomes between the 2 groups. Results— The median follow-up period was 1.8 (interquartile range, 0.93–2.0) years. Of the 1192 patients, 758 (336 women; 77.9±9.9 years old) and 434 (191 women; 77.3±10.0 years old) were assigned to the sustained AF group and paroxysmal AF groups, respectively. After adjusting for sex, age, previous anticoagulation, and initial National Institutes of Health Stroke Scale score, sustained AF was negatively associated with 3-month independence (multivariable-adjusted odds ratio, 0.61; 95% confidence interval, 0.43–0.87; P =0.006). The annual rate of stroke or systemic embolism was 8.3 and 4.6 per 100 person-years, respectively (multivariable-adjusted hazard ratio, 1.95; 95% confidence interval, 1.26–3.14) and that of major bleeding events was 3.4 and 3.1, respectively (hazard ratio, 1.13; 95% confidence interval, 0.63–2.08). Conclusions— Among patients with previous ischemic stroke or transient ischemic attack, those with sustained AF had a higher risk of stroke or systemic embolism compared with those with paroxysmal AF. Clinical Trial Registration— URL: http://www.clinicaltrials.gov . Unique identifier: NCT01581502.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/STROKEAHA.116.013746
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2016
    detail.hit.zdb_id: 1467823-8
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    Online Resource
  • 4
    Online Resource
    Online Resource
    Prior Anticoagulation and Short‐ or Long‐Term Clinical Outcomes in Ischemic Stroke or Transient Ischemic Attack Patients With Nonvalvular Atrial Fibrillation
    Ovid Technologies (Wolters Kluwer Health) ; 2019
    In:  Journal of the American Heart Association Vol. 8, No. 3 ( 2019-02-05)
    Details
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 8, No. 3 ( 2019-02-05)
    Abstract: We aimed to clarify associations between prior anticoagulation and short‐ or long‐term clinical outcomes in ischemic stroke or transient ischemic attack patients with nonvalvular atrial fibrillation. Methods and Results A total of 1189 ischemic stroke or transient ischemic attack patients with nonvalvular atrial fibrillation who were hospitalized within 7 days after onset were analyzed. Of these, 813 patients (68.4%) received no prior anticoagulation, 310 (26.1%) received prior warfarin treatment with an international normalized ratio ( INR ) 〈 2 on admission, 28 (2.4%) received prior warfarin treatment with an INR ≥2 on admission, and the remaining 38 (3.2%) received prior direct oral anticoagulant treatment. Prior warfarin treatment was associated with a lower risk of death or disability at 3 months compared with no prior anticoagulation ( INR 〈 2: adjusted odds ratio: 0.58; 95% CI, 0.42–0.81; P =0.001; INR ≥2: adjusted odds ratio: 0.40; 95% CI, 0.16–0.97; P =0.043) but was not associated with a lower risk of death or disability at 2 years. Prior warfarin treatment with an INR ≥2 on admission was associated with a higher risk of ischemic events within 2 years compared with no prior anticoagulation (adjusted hazard ratio: 2.94; 95% CI, 1.20–6.15; P =0.021). Conclusions Prior warfarin treatment was associated with a lower risk of death or disability at 3 months but was not associated with a lower risk of death or disability at 2 years in ischemic stroke or transient ischemic attack patients with nonvalvular atrial fibrillation. Prior warfarin treatment with an INR ≥2 on admission was associated with a higher risk of ischemic events within 2 years. Clinical Trial Registration URL : http://www.clinicaltrials.gov . Unique identifier: NCT 01581502.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    URL: Article
    DOI: 10.1161/JAHA.118.010593
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2019
    detail.hit.zdb_id: 2653953-6
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  • 5
    Online Resource
    Online Resource
    Acute Aspirin Plus Cilostazol Dual Therapy for Noncardioembolic Stroke Patients Within 48 Hours of Symptom Onset
    Ovid Technologies (Wolters Kluwer Health) ; 2019
    In:  Journal of the American Heart Association Vol. 8, No. 15 ( 2019-08-06)
    Details
    In: Journal of the American Heart Association, Ovid Technologies (Wolters Kluwer Health), Vol. 8, No. 15 ( 2019-08-06)
    Abstract: The aim of the present study was to investigate the efficacy and safety of antiplatelet (aspirin plus cilostazol) dual therapy for patients with noncardioembolic stroke within 48 hours of symptom onset. Methods and Results The ADS (Acute Aspirin Plus Cilostazol Dual Therapy for Non‐Cardiogenic Stroke Patients Within 48 Hours of Symptom Onset ) study is an investigator‐initiated, prospective, multicenter (34 hospitals in Japan), randomized, open‐label, and aspirin‐controlled trial. Acute stroke patients with noncardioembolic stroke within 48 hours of onset were studied. The subjects were randomly allocated to combination therapy with aspirin 81 to 200 mg plus cilostazol 200 mg (dual group) and single therapy with aspirin 81 to 200 mg (aspirin group) for 14 days. After the 14 days, all patients took the cilostazol 200 mg for 3 months. A primary efficacy outcome was defined as any one of the following occurring (neurological deterioration, symptomatic stroke recurrence, or transient ischemic attack) within 14 days. A primary safety outcome included intracerebral hemorrhage and subarachnoid hemorrhage. Between May 2011 and June 2017, 1201 patients (796 [66%] men; median age, 69 [61–77] years) randomized 1:1 to either the dual group or the aspirin group were analyzed. Initial National Institutes of Health Stroke Scale score was 2 (1–4) in both groups ( P =0.830). A primary efficacy outcome was observed in 11% in the dual group and 11% in the aspirin group ( P =0.853). A primary safety outcome occurred in 2 (0.3%) in the dual group and in 1 (0.2%) in the aspirin group ( P =0.624). Conclusions Dual antiplatelet therapy using cilostazol and aspirin was safe but did not reduce the rate of short‐term neurological worsening. Clinical Trial Registration URL : umin.ac.jp/ctr/index/htm. Unique identifier: UMIN 000004950.
    Type of Medium: Online Resource
    ISSN: 2047-9980
    URL: Article
    DOI: 10.1161/JAHA.119.012652
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2019
    detail.hit.zdb_id: 2653953-6
    Location Call Number Limitation Availability
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