Search Results - "Verhey, Leonard H"

External ventricular drainage in the management of pediatric patients with posterior fossa tumors and hydrocephalus: a retrospective cohort study by Verhey, Leonard H., Maharaj, Arjuna, Patel, Nikunj, Manoranjan, Branavan, Ajani, Olufemi, Fleming, Adam, Farrokhyar, Forough, Singh, Sheila K., Yarascavitch, Blake

“…Purpose To determine whether intraoperative adjunctive EVD placement in patients with a posterior fossa tumor (PFT) led to improved surgical, radiographic, and…”
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MRI parameters for prediction of multiple sclerosis diagnosis in children with acute CNS demyelination: a prospective national cohort study by Verhey, Leonard H, BSc, Branson, Helen M, MBBS, Shroff, Manohar M, MD, Callen, David JA, MD, Sled, John G, PhD, Narayanan, Sridar, PhD, Sadovnick, A Dessa, Prof, Bar-Or, Amit, MD, Arnold, Douglas L, Prof, Marrie, Ruth Ann, MD, Banwell, Brenda, Dr

“…Summary Background Multiple sclerosis (MS) diagnostic criteria incorporate MRI features that can be used to predict later diagnosis of MS in adults with acute…”
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2010 McDonald criteria for diagnosing pediatric multiple sclerosis by Sadaka, Yair, Verhey, Leonard H., Shroff, Manohar M., Branson, Helen M., Arnold, Douglas L., Narayanan, Sridar, Sled, John G., Bar-Or, Amit, Sadovnick, A. Dessa, McGowan, Melissa, Marrie, Ruth Ann, Banwell, Brenda

“…Objective: The diagnosis of multiple sclerosis (MS) rests on confirmation of central nervous system inflammatory disease that is disseminated in space and…”
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Outcome Measures in Relapsing-Remitting Multiple Sclerosis: Capturing Disability and Disease Progression in Clinical Trials by Lavery, Amy M., Waldman, Amy, Verhey, Leonard H.

“…Multiple sclerosis (MS) is a chronic inflammatory and neurodegenerative disease that manifests as acute relapses and progressive disability. As a primary…”
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Advanced Magnetic Resonance Imaging in Pediatric Multiple Sclerosis by Verhey, Leonard H., PhD, Sled, John G., PhD

“…This review summarizes results from studies that have applied advanced magnetic resonance (MR) imaging techniques to patients with pediatric-onset multiple…”
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Outcomes Trajectories in Children With Epilepsy: Hypotheses and Methodology of a Canadian Longitudinal Observational Study by Ronen, Gabriel M., MD, MSc, Streiner, David L., PhD, Boyle, Michael H., PhD, Cunningham, Charles E., PhD, Lach, Lucyna, MSW PhD, Verhey, Leonard H., PhD, Fayed, Nora, PhD, Chen, Karen, BHSc, Rosenbaum, Peter L., MD

“…Abstract Background The impact of childhood epilepsy can only be appreciated by understanding that epilepsy comprises a set of complex neurobehavioral…”
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Standardized Magnetic Resonance Imaging Acquisition and Reporting in Pediatric Multiple Sclerosis by Verhey, Leonard H., PhD, Narayanan, Sridar, PhD, Banwell, Brenda, MD, FRCPC

“…Magnetic resonance (MR) imaging is one of the most important paraclinical tools for the diagnosis of multiple sclerosis (MS), and monitoring of disease…”
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True Cortical Saccular Aneurysm Presenting as an Acute Subdural Hematoma by Verhey, Leonard H., Wang, Weichen, Adel, Joseph G.

“…Subdural hematoma, without any radiographic evidence of subarachnoid hemorrhage, is a rare presentation of a ruptured intracranial aneurysm. Even more rare is…”
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Monophasic demyelination reduces brain growth in children by Aubert-Broche, Bérengère, Weier, Katrin, Longoni, Giulia, Fonov, Vladimir S, Bar-Or, Amit, Marrie, Ruth Ann, Yeh, E Ann, Narayanan, Sridar, Arnold, Douglas L, Verhey, Leonard H, Banwell, Brenda, Collins, D Louis

“…To investigate how monophasic acquired demyelinating syndromes (ADS) affect age-expected brain growth over time. We analyzed 83 pediatric patients imaged…”
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Aspiration tubing diameter is a key determinant of vacuum pressure and is associated with procedural outcome in mechanical thrombectomy for large vessel occlusion: An experimental and cohort study by Verhey, Leonard H, Lyons, Leah, Sewell, Andrea, Grandfield, Ryan M, Khan, Muhib, Mazaris, Paul, Singer, Justin A

“…We (1) evaluated the effect of aspiration tubing diameter on intraluminal pressure and (2) compared thrombectomy outcomes in patients treated using small…”
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Transradial versus transfemoral access for mechanical thrombectomy in acute ischemic stroke: A retrospective cohort study by Verhey, Leonard H., Orozco, Andres Restrepo, Oliver, Marion, Lyons, Leah, Sewell, Andrea P., Tsai, Jenny P-C, Mazaris, Paul, Khan, Muhib, Singer, Justin A.

“…The objective of this study was to compare procedural and clinical outcomes in patients with acute ischemic stroke (AIS) treated via transradial access (TRA)…”
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The Demographic, Clinical, and Magnetic Resonance Imaging (MRI) Features of Transverse Myelitis in Children by Thomas, Terrence, Branson, Helen M., Verhey, Leonard H., Shroff, Manohar, Stephens, Derek, Magalhaes, Sandra, Banwell, Brenda

“…The authors collected demographic, clinical, and neuroimaging data prospectively on 38 children with transverse myelitis. One child died during the illness…”
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Cervical carotid occlusion in acute ischemic stroke: Should we give tPA? by Elder, Theresa A., Verhey, Leonard H., Schultz, Haritha, Smith, Eleanor S., Adel, Joseph G.

“…Background: Acute ischemic stroke (AIS) due to cervical internal carotid artery (cICA) occlusion is challenging to treat, with the lower revascularization…”
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Predictive measures and outcomes of extent of resection in juvenile pilocytic astrocytoma by Maharaj, Arjuna, Manoranjan, Branavan, Verhey, Leonard H., Fleming, Adam J., Farrokhyar, Forough, Almenawer, Saleh, Singh, Sheila K., Yarascavitch, Blake

“…•Tumor location in the cerebellum is associated with higher EOR in children with JPA.•Demographic, clinical, and tumor-related variables are not associated…”
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Magnetic resonance imaging features of the spinal cord in pediatric multiple sclerosis: a preliminary study by Verhey, Leonard H., Branson, Helen M., Makhija, Monica, Shroff, Manohar, Banwell, Brenda

“…Introduction Spinal cord lesions in adults with multiple sclerosis (MS) are thought to contribute to disability. The magnetic resonance imaging (MRI)…”
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Abstract Number ‐ 135: Surpass Evolve® Flow Diversion for Embolization of Unruptured Anterior Circulation Aneurysms: 6‐month Obliteration Rates by Verhey, Leonard H, Sewell, Andrea, Lyons, Leah, Mazaris, Paul, Singer, Justin

“…Abstract only Introduction The Surpass Evolve flow diverter (FD) is a 64‐wire cobalt‐chromium device with improved ease of deployment and conformability,…”
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Clinical and MRI activity as determinants of sample size for pediatric multiple sclerosis trials by Verhey, Leonard H., Signori, Alessio, Arnold, Douglas L., Bar-Or, Amit, Sadovnick, A. Dessa, Marrie, Ruth Ann, Banwell, Brenda, Sormani, Maria Pia

“…OBJECTIVE:To estimate sample sizes for pediatric multiple sclerosis (MS) trials using new T2 lesion count, annualized relapse rate (ARR), and time to first…”
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Pediatric multiple sclerosis: pathobiological, clinical, and magnetic resonance imaging features by Verhey, Leonard H, Shroff, Manohar, Banwell, Brenda

“…In this article, the pathobiological, clinical, and treatment aspects of pediatric-onset multiple sclerosis (MS) are summarized, and the conventional magnetic…”
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Push and Fluff technique for optimization of clot integration with stent-retriever: An in vitro model by Pinheiro, Agostinho C., Nogueira, Raul G., Grandfield, Ryan M., Lin, Shao-Pow, Majjhoo, Aniel Q., Aghaebrahim, Amin Nima, Abraham, Michael G., Mazaris, Paul, Singer, Justin A., Al-Bayati, Alhamza R., Verhey, Leonard H., Lin, Eugene, Haussen, Diogo C.

“…Background For stent–retriever (SR) thrombectomy, technical developments such as the Push and Fluff technique (PFT) appear to have a significant impact on…”
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A novel case of refractory hiccups following epidural thoracic spinal cord stimulator implantation for chronic low back pain by Hatcher, Stacy, Verhey, Leonard H., Restrepo Orozco, Andres, Abouelleil, Mohamed, Boyce, Hayden M.K.

“…•Spinal cord stimulation for refractory chronic low back pain is generally associated with a low risk profile.•Intractable hiccups following implantation of a…”
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