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Update from education committee

Update from education committee. Train the trainer—content reviewed from. Acute Treatment in Mild Stroke and Stroke Mimics “First Tuesdays” Lecture Series. Introduction and Goal of “First Tuesdays” . Sabreena Slavin MD – Vascular Neurologist and Neurohospitalist at KU School of Medicine

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Update from education committee

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  1. Update from education committee • Train the trainer—content reviewed from Acute Treatment in Mild Stroke and Stroke Mimics “First Tuesdays” Lecture Series

  2. Introduction and Goal of “First Tuesdays” • SabreenaSlavin MD – Vascular Neurologist and Neurohospitalist at KU School of Medicine • Craig Bloom RN, BSN, MBA – Senior Clinical Specialist Lytics, Genentech, Inc. • Didactic lecture series as part of the Kansas Initiative for Stroke Survival • Updates in Practice and FAQ’s on Acute Stroke Care • 20 minute didactic, 10 minutes for questions/discussion.

  3. Review of Acute Stroke Interventions • IV alteplase (tPA) for all patients who have disabling symptoms of acute stroke • Mechanical thrombectomy: only for large vessel occlusions (LVO). Only hospitals with capabilities (eg: comprehensive stroke center) can perform thrombectomy. • A higher NIHSS (10 or more) can be indicative of a large vessel occlusion. • Diagnosed with CTA head/neck

  4. How to define “mild” stroke • NIHSS? • mRS? • imaging? • “disability” vs no disability?

  5. Majority of strokes have lower NIHSS – Reeves et al, Stroke 2013.

  6. Disability based criteria: • NINDS rt-PA study found that regardless of definition of “mild” or “minor” stroke, patients in this category can be treated with tPA.1 • Stroke guidelines: LOE A, COR I indicating that benefit of IV alteplase is well established of adult patients with disabling stroke symptoms regardless of age and stroke severity.2 1. NINDS rt-PA Stroke Study Group, Ann Emerg Med 2005. 2. Powers et al, AHA/ASA Guideline, 2018

  7. What is “disabling”? • Hemianopsia in patient who drives/works (NIHSS 2) • Moderate-severe aphasia (NIHSS 2) • Weakness affecting ability to work (NIHSS 0 and up) • Vertigo affecting gait (NIHSS 0) Demaerschalk et al, Stroke 2016; Centers for Disease Control and Prevention, MMWR 2009

  8. Symptomatic ICH in mild stroke after tPA • Retrospective analysis of Get With The Guidelines Stroke registry revealed that for patients with NIHSS of 0-5 (mild group), rate of symptomatic ICH at 36 hours was only 2.2%1, compared to 6% from previous NINDS study2 1. Menon et al, Stroke 2012; 2. NINDS, Stroke 1997

  9. Stroke mimic examples • Seizures with postictal hemiplegia (Todd’s paralysis) • Peripheral vestibular syndromes (acute labyrinthitis, BPPV, etc.) • Encephalopathy due to toxic or metabolic causes • Conversion disorder/psychogenic • Complicated migraines with neurological deficits

  10. IV tPA in stroke mimics • In patients who were given IV tPA after cardiac MI, there was a rate of ICH in 0.72%1 • Stroke studies have found similar rates of ICH after tPA in patients who were not having acute stroke – in a meta-analysis of 9 studies hich included 392 patients with stroke mimics, symptomatic ICH occurred in 0.5%2 1. The Gusto Investigators, Stroke 1993; 2. Tsivgoulis et al, Stroke 2015

  11. sICH in Mimics vs Strokes Tsivgoulis et al, Stroke 2015

  12. Bottom Line • Guidelines and clinical practice favor giving IV tPA if patients meet inclusion criteria despite low NIHSS or concern for stroke mimic. • If giving IV tPA in these cases, always discuss the risks/benefits with the patient and family, and have them play a role in their own decision making.

  13. Questions? • Call for help anytime! • KU BAT phone: 913-588-3727 • http://www.kissnetwork.us/ • sslavin2@kumc.edu

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