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  • The Neurological Emergency Room and Pre-hospital Stroke Alert: The Whole is Greater than the Sum of its Parts

    Final Number:
    112

    Authors:
    Mandy Jo Binning MD; Erol Veznedaroglu MD, FACS; Kenneth M. Liebman MD, FACS; Mitchell Rubin MD; Michael D'Ambrosio DO; Geri Sanfilippo RN, BSN; William Rosen BA, NREMTP

    Study Design:
    Other

    Subject Category:
    Cerebrovascular

    Meeting: AANS/CNS Cerebrovascular Section 2014 Annual Meeting

    Introduction: Emergency medical service pre-notification to hospitals regarding the arrival of stroke patients is recommended to facilitate the work-up once the patient arrives. Most hospitals have the patient enter the emergency room prior to obtaining a head CT. At Capital Health, pre-hospital stroke alert patients are delivered directly to CT and met by a neurological emergency team. It is hypothesized that bypassing the emergency room will reduce the time to treatment.

    Methods: This is a prospective study evaluating 1) door-to-CT and door-to-needle time in acute stroke patients who arrive as pre-hospital stroke alerts and 2) the accuracy of EMS assessment.

    Results: Between July 2012 and July 2013, 141 pre-hospital stroke alerts were called to our emergency department and stable enough to bypass the ED and go directly to CT. EMS assessment of stroke was accurate 66% of the time and the diagnosis was neurological 89% of the time. The average time between patient arrival and acquisition of CT imaging was 11.8 minutes. Twenty-six of the 141 patients (18%) received IV tPA. The median time from arrival to IV tPA bolus was 44 minutes.

    Conclusions: Trained EMS are able to correctly identify patients who are suffering from neurological/neurosurgical emergencies and deliver patients to our comprehensive stroke center in a timely fashion after pre-notification. The Pre-hospital stroke alert protocol bypasses the ED, allowing the patient to be met in CT by the neurological ED team which has proven to decrease door-to-CT and door-to-needle times from our historical means.

    Patient Care: By improving efficiency and patient flow in patients who arrive to our ED by EMS with symptoms of acute stroke

    Learning Objectives: by the conclusion of this session, participants should be able to 1) discuss pertinent aspects of our pre-hospital stroke alert protocol 2)identify ways to improve door-to-ct and door-to-needle time in acute stroke patients

    References: 1. The National Institute of Neurological Disorders and Stroke rt-PA Stroke Study Group. Tissue plasminogen activator for acute ischemic stroke. N Engl J Med 333:1581-1587, 1995. 2. Jauch EC, Saver JL, Adams HP Jr, Bruno A, Connors JJ, Demaerschalk BM, et al. Guidelines for the Early Management of Patients With Acute Ischemic Stroke: A Guideline for Healthcare Professionals From the American Heart Association/American Stroke Association. Stroke 44:870-947,2013 3. Lees KR, Bluhmki E, von Kummer R, Brott TG, Toni D, Grotta JC, et al. Time to treatment with intravenous alteplase and outcome in stroke: an updated pooled analysis of ECASS, ATLANTIS, NINDS, and EPITHET trials. Lancet 375:1695-1703, 2010. 4. Hacke W, Kaste M, Bluhmki E, Brozman , Davalos A, Guidetti D, et al. Thrombolysis with alteplase 3 to 4.5 hours after acute ischemic stroke. N Engl J Med. 359:1317-1329, 2008. 5. Adams HP Jr, del Zoppo G, Alberts MJ, Bhatt DL, Brass L, Furlan A, et al. American Heart Association; American Stroke Association Stroke Council; Clinical Cardiology Council; Cardiovascular Radiology and Intervention Council; Atherosclerotic Peripheral Vascular Disease and Quality of Care Outcomes in Research Interdisciplinary Working Groups. Guidelines for the early management of adults with ischemic stroke: a guideline from the American Heart Association/American Stroke Association Stroke Council, Clinical Cardiology Council, Cardiovascular Radiology and Intervention Council, and the Atherosclerotic Peripheral Vascular Disease and Quality of Care Outcomes in Research Interdisciplinary Working Groups Stroke.38:1655–1711.2007. 6. McKinney JS, Mylavarapu K, Lane J, Roberts V, Ohman-Strickland P, Merlin MA. Hospital Prenotification of Stroke Patients by Emergency Medical Services Improves Stroke Time Targets. J Stroke and Cerebrovascular Diseases. 22:113-118, 2013. 7. Veznedaroglu E, Rubin M, D’Ambrosio M. The Neurological Emergency Room: The Future is Here. World Neurosurgery 75: 338-343, 2011. 8. Kothari R, Barsan W, Brott T, Broderick J, Ashbrock S. Frequency and accuracy of prehospital diagnosis of acute stroke. Stroke. Jun;26:937-41. 1995.

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