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    Effect of emergent magnetic resonance imaging on alteplase utilization for acute ischemic stroke

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    Author
    Munoz, Jonis
    Reyes, Dana
    Affiliation
    College of Pharmacy, The University of Arizona
    Issue Date
    2018
    Keywords
    alteplase
    tPA
    MRI
    ischemic stroke
    MeSH Subjects
    Tissue Plasminogen Activator
    Magnetic Resonance Imaging
    Stroke
    Ischemia
    Advisor
    Patanwala, Asad
    
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    Rights
    Copyright © is held by the author.
    Collection Information
    This item is part of the Pharmacy Student Research Projects collection, made available by the College of Pharmacy and the University Libraries at the University of Arizona. For more information about items in this collection, please contact Jennifer Martin, Librarian and Clinical Instructor, Pharmacy Practice and Science, jenmartin@email.arizona.edu.
    Publisher
    The University of Arizona.
    Abstract
    Objectives: The purpose of this project was to assess appropriateness of alteplase (tPA) administration in patients undergoing magnetic resonance imaging (MRI) at Banner-University Medical Center Tucson (BUMC-T) and identify interruptions in therapy that could have been prevented. Methods: This descriptive quality improvement project evaluated retrospective data from the electronic health records at BUMC-T. Data was collected from patient charts using Epic. The data collection form included items based on demographics, tPA, symptoms and severity, utilization of computerized tomography, MRI, interventional radiology (IR), and complications. Wilcoxon Rank-sum test was used to compare the door-to-needle times if patients did or did not receive an MRI. Fisher’s exact test was used to compare the proportion of patients with interruption of infusion with or without emergent MRI (P<0.050). Main Results: Ninety-six patients received tPA for acute ischemic stroke with 13 having an interruption in infusion. Reasons documented were placed into 4 categories: MRI related, blood pressure related, adverse reactions related to tPA, or other. Four of 13 interruptions were related to an emergent MRI. This was not statistically significant (p>0.050). The remainder were not preventable as tPA was discontinued because of an adverse event. Patients that received an MRI received tPA faster than those patients who did not receive an MRI (48 minutes versus 63 minutes, respectively) (P=0.006). Conclusions: Alteplase interruptions did not occur more frequently in patients who received MRI. However, all preventable interruptions were due to MRI. Alteplase administration logistics should be optimized to minimize any preventable interruptions in therapy.
    Description
    Class of 2018 Abstract
    Collections
    Pharmacy Student Research Projects

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