D
Derek Armstrong
Researcher at University of Toronto
Publications - 112
Citations - 6485
Derek Armstrong is an academic researcher from University of Toronto. The author has contributed to research in topics: Angiography & Stroke. The author has an hindex of 46, co-authored 110 publications receiving 6034 citations. Previous affiliations of Derek Armstrong include Hospital for Sick Children.
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Craniofacial Skeletal Measurements Based on Computed Tomography: Part II. Normal Values and Growth Trends:
TL;DR: Knowledge of the differential growth patterns and normal measurement values in the craniofacial region will help improve diagnostic accuracy, staging of reconstruction, precision of corrective surgery, and follow-up of patients.
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Dangerous extracranial-intracranial anastomoses and supply to the cranial nerves: vessels the neurointerventionalist needs to know.
TL;DR: Transarterial embolization in the external carotid artery (ECA) territory has a major role in the endovascular management of epistaxis, skull base tumors, and dural arteriovenous fistulas.
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Presumed pre‐ or perinatal arterial ischemic stroke: Risk factors and outcomes
Meredith R. Golomb,Daune MacGregor,Trish Domi,Derek Armstrong,Brian W. McCrindle,Supriya Mayank,Gabrielle deVeber +6 more
TL;DR: A subgroup of children with arterial ischemic stroke in the pre‐ or perinatal period present with delayed diagnosis of hemiparesis and/or seizures first recognized after 2 months of age, with no evidence of further stroke in any patient.
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Tonsillar herniation: the rule rather than the exception after lumboperitoneal shunting in the pediatric population
Paul Chumas,Derek Armstrong,James M. Drake,Abhaya V. Kulkarni,Harold J. Hoffman,Robin P. Humphreys,James T. Rutka,E B Hendrick +7 more
TL;DR: Although less than 5% of this study population required treatment for tonsillar herniation, the incidence of this complication was high in asymptomatic patients; MR imaging surveillance for patients with LP shunts is therefore recommended.
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Correlation between retinal abnormalities and intracranial abnormalities in the shaken baby syndrome.
TL;DR: In this paper, the authors report correlation between retinal and intracranial abnormalities and evaluate pathogenesis of retinal hemorrhages in the shaken baby syndrome (SBS) and report that retinal abnormalities are the result of mechanical shaking forces.