Fiona Chatfield

Publications20
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Citations82
Highly Influential Citations3
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Los Angeles Motor Scale to Identify Large Vessel Occlusion: Prehospital Validation and Comparison With Other Screens
TLDR
The Los Angeles Motor Scale for LVO and CSC-appropriate (LVO ACI and intracranial hemorrhage patients) recognition is validated and performs comparably or better than more extended prehospital scales and the full National Institutes of Health Stroke Scale.
Abstract 83: Field Validation of Prehospital LAMS Score to Identify Large Vessel Occlusion Ischemic Stroke Patients for Direct Routing to Emergency Neuroendovascular Centers
TLDR
The Los Angeles Motor Scale score identifies LVO in acute cerebral ischemia patients as well as the current gold standard NIHSS, and in prospective field validation testing, a positive paramedic LAMS increased the likelihood ofLVO by 76% and a negative cut the chance of LVO by more than half.
Abstract 138: Assessing Disability Outcome in Acute Stroke Clinical Trials: Increased Study Power with Linear (ALDS) Compared with Ordinal (mRS) Scales
TLDR
Consecutive patients undergoing 3 month final outcome visits in the NIH FAST-MAG phase 3 trial were assessed with the modified Rankin Scale and the Academic Medical Center linear disability scale, finding that the mRS lacks granularity and is ordinal, constraining study power.
Abstract W P328: Comparative Analysis of Two Methods to Score the modified Rankin Scale: Rankin Focused Assessment and Simple modified Rankin Scale Questionnaire
TLDR
3 month mRS scores are obtained using the RFA and smRSq in consecutive patients enrolled in the NIH FAST-MAG trial and the mean age was 66.9, and stroke subtype was ischemic in 70.6%.
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TLDR
The unique challenges and opportunity for advancement in current stroke networks’ routine delivery of care created by these trials are discussed and recommendations to change current national stroke system guidelines are proposed.
155 Door to Blood Pressure Goal Achievement in Community Management of Hyperacute Intracerebral Hemorrhage
Abstract 118: Paramedic-Administered Los Angeles Motor Scale identifies Ischemic Stroke with Large Vessel Occlusion and Intracranial Hemorrhage for Routing to Comprehensive Stroke Centers and…
TLDR
There is an urgent need to develop tools to treat patients with intracranial hemorrhage with urgent need of endovascular thrombectomy and advances in neurocritical care of patients with intrusion-related hemorrhage.
Abstract 66: Ischemic Lesion Evolution and Hemorrhagic Transformation After Thrombolysis with Neuroprotection in FAST-MAG
TLDR
Serial imaging of patients treated with field neuroprotective therapies followed by post-arrival thrombolysis is often informative at initial and follow-up time points and has potential as biomarkers to interrogate treatment effects in prehospital neuroprotection studies.
Abstract T MP92: Patient Valuation of Each Level of the Modified Rankin Global Disability Scale: Insights from the Stroke Impact Scale
TLDR
Mild scores on the modified Rankin Scale are particularly associated with quality of life deficits in the domains of strength, emotion, activities of daily living, and social participation, while more severe mRS abnormalities compromise QOL across all domains of functioning.
Abstract 195: Beneficial Impact of EMS Routing to Certified Stroke Centers on Door to Imaging Times
TLDR
Rapid brain imaging for ischemic and hemorrhagic stroke is an important component of high quality stroke care and should be part of routine care, according to a national guideline.
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