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  • 1
    Online Resource
    Online Resource
    Ovid Technologies (Wolters Kluwer Health) ; 2013
    In:  Stroke Vol. 44, No. suppl_1 ( 2013-02)
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 44, No. suppl_1 ( 2013-02)
    Abstract: Background: Intravenous tissue plasminogen activator (IV-tPA) is the only FDA approved drug treatment for Acute Ischemic Stroke (AIS) within 3 hours or less from onset of stroke symptoms. The guidelines also recommend that stroke centers be able to administer IV-tPA in less than 60 minutes from the time the patients arrive, door-to-needle (DTN) time. Since less than one third of hospitals achieve this DTN goal, the American Stroke Association developed a national initiative to reduce the door to needle time called “Target Stroke” (TS). Methods: A retrospective analysis was conducted of DTN times on 59 consecutive patients receiving IV-tPA at the University of Louisville Hospital from January 2009 to July, 2012. TS was instituted the fourth quarter of 2011. The percentage of patients meeting the target DTN time of less than 60 minutes was compared before and after TS was instituted (Quarter 1 and 2, 2011 vs Q1-2, 2012). Q1-2, 2010 and Q1-2, 2009 were also compared to Q1-2, 2012. Data were analyzed using 2X2 Fisher’s exact test. A two-tailed probability value of p 〈 0.05 was considered significant. Results: The data show a statistically significant association between DTN time in less than 60 minutes and target stroke implementation ( p 〈 0.001, Q1-2, 2011 vs Q1-2, 2012; p 〈 0.001, Q1-2, 2010 vs Q1-2, 2012 and p 〈 0.020 Q1-2, 2009 vs Q1-2, 2012). Conclusions/Discussion: More patients received IV-tPA in less than 60 minutes after implementation of TS than before. Utilization of TS significantly improved DTN times at University of Louisville Hospital. Our next step will be to compare outcomes for the same data set using discharge modified Rankin Scale and discharge disposition.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2013
    detail.hit.zdb_id: 1467823-8
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  • 2
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 47, No. suppl_1 ( 2016-02)
    Abstract: Introduction: Drip and ship (DS) thrombolysis provides immediate acute ischemic stroke treatment and follow-up tertiary stroke care at a certified Comprehensive Stroke Center (CSC) for one quarter of the US population living in rural areas. Studies reveal that patients with stroke mimic (SM) inadvertently receive treatment due to lack of immediate access to specialists and the limited treatment time window. Hypothesis: We hypothesized that a higher percentage of SM would receive thrombolysis via the DS paradigm than those directly presenting to the CSC. Methods: We reviewed consecutive DS tPA cases transferred to the University of Louisville Hospital (ULH) and tPA cases originating at ULH from January, 2013 to June, 2015. ULH is a CSC that provides rural Kentucky and Southern Indiana hospitals with 24-hour telephone access to stroke specialists. We compared the percentage of SMs via a DS paradigm to those originating at ULH. SM data collected included demographics, medical history, NIHSS, complications, discharge diagnosis, discharge disposition, and the length of hospitalization. Etiology of SM was evaluated in the Old (≥ 65 years old) and the Young ( 〈 65 years old) group, respectively. Comparative analyses with t-tests and Fisher Exact tests were performed. Results: Total numbers of tPA cases were similar between the DS (201) and the ULH (200) groups, but the percentage of SM in the DS group was double the ULH group (27.4% vs 13.5%). Clinical features, NIHSS on admission, and percentage of SM patients who were 65 years or older were similar in both groups. None of SM had intracranial hemorrhage or severe adverse events. One patient in the DS had minor hematemesis without transfusion. All except one patient returned home or to an assisted living facility. One patient who was from home was discharged to a nursing home due to Parkinson’s disease. Psychiatric disease was more common in the Young SM than the old (45.3% vs 7.4%, p 〈 0.05). Encephalopathy for various reasons (25.9%) and seizures (22.2%) were the two most common causes in the Old SM. Conclusions: SMs are treated with tPA more often in the DS paradigm than when presenting to a CSC. Although the thrombolysis caused no harm, adequate access to specialists (i.e telestroke) may decrease unnecessary treatment with tPA.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2016
    detail.hit.zdb_id: 1467823-8
    Location Call Number Limitation Availability
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  • 3
    In: Stroke, Ovid Technologies (Wolters Kluwer Health), Vol. 47, No. suppl_1 ( 2016-02)
    Abstract: Introduction: People aged 90 years or older are the fastest growing group in North America. This group was excluded from traditional clinical trials of intravenous tissue plasminogen activator (iv tPA) thrombolysis. IV tPA is the most beneficial emergent therapy in acute ischemic stroke (AIS). We have compassionately treated AIS patients in this age group with iv tPA in recent years. Hypothesis: Our aim is to evaluate the safety and outcome of iv tPA use in nonagenarian patients with AIS Methods: Consecutively iv tPA-treated AIS patients who were older than 90 years and were admitted at our institution from January 2004-June 2015 were included. The administration of iv tPA was within 3 hours after the stroke onset. We reviewed the clinical features of the patients at presentation, complications, and outcomes. Outcome measures at discharge included improvement of NIHSS, mRS, symptomatic intracranial hemorrhage (sICH), and discharge disposition. We also assessed the rate of complications of iv tPA. Multiple logistic regression analysis was used to evaluate association between the outcome versus the severity of stroke, or versus pre-stroke dependence. Results: A total of 35 AIS patients who were 90 years or older (female 80%; and median age 93 years old) were treated with iv tPA. At baseline twenty-two patients (62.9%) had a history of atrial fibrillation without anticoagulation, and more than half (20/35) patients needed assistance for gait instability, but they were otherwise functional. Median NIHSS on admission was 16 (IQR 9-22). Two patients (5.7%) had symptomatic intracerebral hemorrhage. At discharge the median NIHSS was 10 (IQR 1-19). Ten patients (28.6%) had favorable outcome (mRS ≤ 2) while sixteen patients (45.7%) had good outcome (mRS ≤ 3). Four patients were discharged home and 16 patients went to rehabilitation facility. Fifteen patients (42.9%) succumbed to cardio-pulmonary failure or were discharged to hospice. Mild AIS patients (NIHSS 〈 7) had better outcomes (p 〈 0.05). The pre-existing dependence (mRS ≥3) did not predict poor outcome. Conclusion: It is safe to administer iv tPA to AIS patients who are 90 years or older although the benefits are less robust compared to younger patients. Patients with milder deficits had more favorable outcomes.
    Type of Medium: Online Resource
    ISSN: 0039-2499 , 1524-4628
    RVK:
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2016
    detail.hit.zdb_id: 1467823-8
    Location Call Number Limitation Availability
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