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  • 1
    Online Resource
    Online Resource
    Abstract P407: Etiology And Outcomes Of Non-traumatic Intracerebral Hemorrhage - Data From The Swiss Stroke Registry
    Ovid Technologies (Wolters Kluwer Health) ; 2021
    In:  Stroke Vol. 52, No. Suppl_1 ( 2021-03)
    Details
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 52, No. Suppl_1 ( 2021-03)
    Abstract: Background: We determined the frequency of different etiologies of non-traumatic intracerebral hemorrhage (ICH) and their association with clinical characteristics and outcomes. Methods: We analyzed data from consecutive ICH patients enrolled in the prospective Swiss Stroke Registry (2014-2019). Etiology of ICH was determined according to prespecified, mutually exclusive categories. We assessed prevalence of ICH etiologies, their association with clinical characteristics, functional independence (modified Rankin Scale 0-2), mortality, recurrent ICH and ischemic stroke at 3 months. Results: We included 2584 patients (median age 72y, IQR 64-82, 46.6% female, median NIHSS 10; IQR 3-15). 2037 patients (80%) had hypertension and 553 (22.3%) were on anticoagulants. Distribution of etiologies was as follows: Hypertension (n=1216 patients; 47.1% of all / 56.3% of patients with hypertension), unknown etiology (n=542, 21.0%), antithrombotic therapy (n=225, 8.7% of all / 38% of patients on anticoagulants), cerebral amyloid angiopathy (CAA, n=211, 8.2%), macro-vascular (n=121, 4.7%), other determined etiologies (n=269, 10.4%). Patients with hypertensive ICH had significantly higher NIHSS (median 9; IQR 4-16) and blood pressure levels (median systolic 176; IQR 156-195) on admission. Patients with CAA had significantly lower NIHSS at baseline (median 5; IQR 2-12). Three month follow-up was available for 2109/2584 patients (81.6%). 820 (38.9%) were functionally independent, 658 have died (31.2%). Hypertensive ICH was associated with an increased rate of functional independence (aOR =1.42, 95%CI 1.06-1.90, p=0.02). 5.2% of patients had a cerebrovascular event within 3 months. CAA was associated with a high risk of recurrent ICH (HR 6.95, 95%CI 3.05-15.84, p 〈 0.001). The risk of ischemic stroke (2.2%) was higher than that of ICH (1.5%) in patients with hypertensive ICH. Conclusions: In Swiss Stroke Units and Centers, one of two patients has ICH from a different cause than hypertension. The rate of functionally independent patients at 3 months seems higher than mortality. Absolute and relative risks of recurrent ICH and ischemic stroke after recent ICH differ among underlying etiologies.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    URL: Article
    DOI: 10.1161/str.52.suppl_1.P407
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
    detail.hit.zdb_id: 1467823-8
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  • 2
    Online Resource
    Online Resource
    Etiology, 3-Month Functional Outcome and Recurrent Events in Non-Traumatic Intracerebral Hemorrhage
    Korean Stroke Society ; 2022
    In:  Journal of Stroke Vol. 24, No. 2 ( 2022-05-31), p. 266-277
    Details
    In: Journal of Stroke, Korean Stroke Society, Vol. 24, No. 2 ( 2022-05-31), p. 266-277
    Abstract: Background and Purpose Knowledge about different etiologies of non-traumatic intracerebral hemorrhage (ICH) and their outcomes is scarce.Methods We assessed prevalence of pre-specified ICH etiologies and their association with outcomes in consecutive ICH patients enrolled in the prospective Swiss Stroke Registry (2014 to 2019). Results We included 2,650 patients (mean±standard deviation age 72±14 years, 46.5% female, median National Institutes of Health Stroke Scale 8 [interquartile range, 3 to 15]). Etiology was as follows: hypertension, 1,238 (46.7%); unknown, 566 (21.4%); antithrombotic therapy, 227 (8.6%); cerebral amyloid angiopathy (CAA), 217 (8.2%); macrovascular cause, 128 (4.8%); other determined etiology, 274 patients (10.3%). At 3 months, 880 patients (33.2%) were functionally independent and 664 had died (25.1%). ICH due to hypertension had a higher odds of functional independence (adjusted odds ratio [aOR] , 1.33; 95% confidence interval [CI] , 1.00 to 1.77; P=0.05) and lower mortality (aOR, 0.64; 95% CI, 0.47 to 0.86; P=0.003). ICH due to antithrombotic therapy had higher mortality (aOR, 1.62; 95% CI, 1.01 to 2.61; P=0.045). Within 3 months, 4.2% of patients had cerebrovascular events. The rate of ischemic stroke was higher than that of recurrent ICH in all etiologies but CAA and unknown etiology. CAA had high odds of recurrent ICH (aOR, 3.38; 95% CI, 1.48 to 7.69; P=0.004) while the odds was lower in ICH due to hypertension (aOR, 0.42; 95% CI, 0.19 to 0.93; P=0.031).Conclusions Although hypertension is the leading etiology of ICH, other etiologies are frequent. One-third of ICH patients are functionally independent at 3 months. Except for patients with presumed CAA, the risk of ischemic stroke within 3 months of ICH was higher than the risk of recurrent hemorrhage.
    Type of Medium: Online Resource
    ISSN: 2287-6391 , 2287-6405
    URL: Article
    DOI: 10.5853/jos.2021.01823
    Language: English
    Publisher: Korean Stroke Society
    Publication Date: 2022
    detail.hit.zdb_id: 2814366-8
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  • 3
    Online Resource
    Online Resource
    Association of Time of Day When Endovascular Therapy for Stroke Starts and Functional Outcome
    Ovid Technologies (Wolters Kluwer Health) ; 2021
    In:  Neurology Vol. 96, No. 8 ( 2021-02-23), p. e1124-e1136
    Details
    In: Neurology, Ovid Technologies (Wolters Kluwer Health), Vol. 96, No. 8 ( 2021-02-23), p. e1124-e1136
    Abstract: To investigate the association between endovascular therapy (EVT) start time in acute ischemic stroke (AIS) and midterm functional outcome. Methods This retrospective cohort study included all patients with AIS treated with EVT from 2 stroke center registries from January 2012 to December 2018. The primary outcome was the score on the modified Rankin Scale (mRS) and the utility-weighted mRS (uw-mRS) at 90 days. A proportional odds model was used to calculate the common odds ratio (OR) as a measure of the likelihood that the intervention at a given EVT start time would lead to lower scores on the mRS (shift analysis). Results A total of 1,558 cases were equally allotted into 12 EVT start time periods. The primary outcome favored EVT start times in the morning at 08:00–10:20 and 10:20–11:34 (OR, 0.53; 95% confidence interval [CI], 0.38 to 0.75; p 〈 0.001; OR, 0.62; 95% CI, 0.44 to 0.87; p = 0.006, respectively), while it disfavored EVT start times at the end of the working day at 15:55–17:15 and 18:55–20:55 (OR, 1.47; 95% CI, 1.03–2.09; p = 0.034; OR, 1.49; 95% CI, 1.03–2.15; p = 0.033). Symptom onset to EVT start time was significantly higher and use of IV tissue plasminogen activator significantly lower between 10:20 and 11:34 ( p 〈 0.004 and p = 0.012, respectively). Conclusion EVT for AIS in the morning leads to better midterm functional outcome, while EVT at the end of the work day leads to poorer midterm functional outcome. Difference in baseline factors, standard workflow, and technical efficacy metrics could not be identified as potential mediators of this effect.
    Type of Medium: Online Resource
    ISSN: 0028-3878 , 1526-632X
    URL: Article
    DOI: 10.1212/WNL.0000000000011449
    RVK:
    XA 10000
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2021
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  • 4
    Online Resource
    Online Resource
    Swiss guidelines for the prehospital phase in suspected acute stroke
    MDPI AG ; 2021
    In:  Clinical and Translational Neuroscience Vol. 5, No. 1 ( 2021-01-01), p. 2514183X2199923-
    Details
    In: Clinical and Translational Neuroscience, MDPI AG, Vol. 5, No. 1 ( 2021-01-01), p. 2514183X2199923-
    Abstract: Acute stroke treatment has advanced substantially over the last years. Important milestones constitute intravenous thrombolysis, endovascular therapy (EVT), and treatment of stroke patients in dedicated units (stroke units). At present in Switzerland there are 13 certified stroke units and 10 certified EVT-capable stroke centers. Emerging challenges for the prehospital pathways are that (i) acute stroke treatment remains very time sensitive, (ii) the time window for acute stroke treatment has opened up to 24 h in selected cases, and (iii) EVT is only available in stroke centers. The goal of the current guideline is to standardize the prehospital phase of patients with acute stroke for them to receive the optimal treatment without unnecessary delays. Different prehospital models exist. For patients with large vessel occlusion (LVO), the Drip and Ship model is the most commonly used in Switzerland. This model is challenged by the Mothership model where stroke patients with suspected LVO are directly transferred to the stroke center. This latter model is only effective if there is an accurate triage by paramedics, hence the patient may benefit from the right treatment in the right place, without loss of time. Although the Cincinnati Prehospital Stroke Scale is a well-established scale to detect acute stroke in the prehospital setting, it neglects nonmotor symptoms like visual impairment or severe vertigo. Therefore we suggest “acute occurrence of a focal neurological deficit” as the trigger to enter the acute stroke pathway. For the triage whether a patient has a LVO (yes/no), there are a number of scores published. Accuracy of these scores is borderline. Nevertheless, applying the Rapid Arterial Occlusion Evaluation score or a comparable score to recognize patients with LVO may help to speed up and triage prehospital pathways. Ultimately, the decision of which model to use in which stroke network will depend on local (e.g. geographical) characteristics.
    Type of Medium: Online Resource
    ISSN: 2514-183X , 2514-183X
    URL: Article
    DOI: 10.1177/2514183X21999230
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2917391-7
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