Kansas Initiative for Stroke Survival Case Review

Kansas Initiative for Stroke Survival Case Review

Update from education committee Train the trainercontent 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 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 FAQs on Acute Stroke Care 20 minute didactic, 10 minutes for questions/discussion. 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 How to define mild stroke

NIHSS? mRS? imaging? disability vs no disability?

Majority of strokes have lower NIHSS Reeves et al, Stroke 2013. 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 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 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 Stroke mimic examples Seizures with postictal hemiplegia (Todds paralysis)

Peripheral vestibular syndromes (acute labyrinthitis, BPPV, etc.) Encephalopathy due to toxic or metabolic causes Conversion disorder/psychogenic Complicated migraines with neurological deficits 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 sICH in Mimics vs Strokes Tsivgoulis et al, Stroke 2015

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.

Questions? Call for help anytime! KU BAT phone: 913-588-3727 http://www.kissnetwork.us/ [email protected]

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