Research Topics
| S C JohnstonSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
Surgical and endovascular treatment of unruptured cerebral aneurysms at university hospitalsS C Johnston
Department of Neurology, University of California, San Francisco 94143 0114, USA
Neurology 52:1799-805. 1999..To compare complications of surgical clipping and coil embolization in the treatment of unruptured aneurysms...- C-reactive protein levels and viable Chlamydia pneumoniae in carotid artery atherosclerosisS C Johnston
Neurovascular Service, Department of Neurology, University of California, San Francisco, USA
Stroke 32:2748-52. 2001.... - Chronic dyspnea and hyperventilation in an awake patient with small subcortical infarctsS C Johnston
Neurovascular Service, Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
Neurology 57:2131-3. 2001..Central neurogenic hyperventilation was diagnosed in this alert patient. The case may illustrate a role for the thalamus in regulating ventilation, but another small infarct not visible on MRI also could be responsible... - Identifying confounding by indication through blinded prospective reviewS C Johnston
Neurovascular Service, Department of Neurology, Box 0114, University of California, San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0114, USA
Am J Epidemiol 154:276-84. 2001..Blinded prospective review may provide an unbiased observational study design with which to define a cohort that could have received any of the treatments being compared and to measure and adjust for overall perceived procedural risk... - Utilization of intravenous tissue-type plasminogen activator for ischemic stroke at academic medical centers: the influence of ethnicityS C Johnston
Neurovascular Service, Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
Stroke 32:1061-8. 2001..We sought to measure the overall rate of usage of tissue-type plasminogen activator (tPA) for ischemic stroke at academic medical centers, and to determine whether ethnicity was associated with usage... - Treatment of unruptured cerebral aneurysms in CaliforniaS C Johnston
Neurovascular Service, Department of Neurology, University of California at San Francisco, San Francisco, CA 94143 0114, USA
Stroke 32:597-605. 2001..The impact of endovascular therapy on treatment outcomes of unruptured cerebral aneurysms has not been studied in a defined geographic area... - Short-term prognosis after emergency department diagnosis of TIAS C Johnston
Department of Neurology, University of California, San Francisco 94143 0114, USA
JAMA 284:2901-6. 2000..Defining the short-term prognosis and risk factors for stroke after TIA may provide guidance in determining which patients need rapid evaluation... - Combining ecological and individual variables to reduce confounding by indication: case study--subarachnoid hemorrhage treatmentS C Johnston
Neurovascular Service, Department of Neurology, University of California, San Francisco, 505 Parnassus Ave, San Francisco, CA 94143 0114, USA
J Clin Epidemiol 53:1236-41. 2000.... - Which unruptured cerebral aneurysms should be treated? A cost-utility analysisS C Johnston
Department of Neurology, University of California, San Francisco 94143 0114, USA
Neurology 52:1806-15. 1999..To determine which unruptured cerebral aneurysms should be treated considering the risks. benefits, and costs... - Effect of endovascular services and hospital volume on cerebral aneurysm treatment outcomesS C Johnston
Neurovascular Service, Department of Neurology, University of California at San Francisco, 94143 0114, USA
Stroke 31:111-7. 2000..Whether the availability of these therapies improves outcomes at these institutions has not been evaluated... - Characteristics of academic medical centers and ischemic stroke outcomesL A Gillum
Department of Neurology, University of California, San Francisco, USA
Stroke 32:2137-42. 2001..01). CONCLUSIONS: Academic medical centers with a vascular neurologist and those with written guidelines limiting tPA administration to neurologists had lower rates of in-hospital mortality for ischemic stroke patients... - Do the Brain Attack Coalition's criteria for stroke centers improve care for ischemic stroke?V C Douglas
Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
Neurology 64:422-7. 2005..In 2000, the Brain Attack Coalition (BAC) recommended 11 major criteria for the establishment of primary stroke centers. The BAC relied heavily on expert opinion because evidence supporting the criteria was sparse... - Hormone therapy and the risk of stroke after acute myocardial infarction in postmenopausal womenB G Angeja
Department of Medicine, University of California, San Francisco, California 94143, USA
J Am Coll Cardiol 38:1297-301. 2001..We examined the association of hormone therapy (HRT) with hemorrhagic and ischemic stroke among postmenopausal women with acute myocardial infarction (AMI)... - The ICH score: a simple, reliable grading scale for intracerebral hemorrhageJ C Hemphill
Department of Neurology, University of California, San Francisco, USA
Stroke 32:891-7. 2001..Despite several existing outcome prediction models for ICH, there is no standard clinical grading scale for ICH analogous to those for traumatic brain injury, subarachnoid hemorrhage, or ischemic stroke... - Distinguishing intracerebral hemorrhages caused by arteriovenous malformationsN U Ko
Department of Neurology, University of California at San Francisco, California 94143 0114, USA
Cerebrovasc Dis 15:206-9. 2003..There is a shortage of data addressing the clinical characteristics of patients with arteriovenous malformations (AVMs) who present with intracerebral hemorrhages (ICH)... - Spinal manipulative therapy is an independent risk factor for vertebral artery dissectionW S Smith
Department of Neurology, University of California, San Francisco 94143 0114, USA
Neurology 60:1424-8. 2003..To determine whether spinal manipulative therapy (SMT) is an independent risk factor for cervical artery dissection... - Education and the cognitive decline associated with MRI-defined brain infarctJ S Elkins
Department of Neurology, University of California, San Francisco, CA 94143, USA
Neurology 67:435-40. 2006..To assess whether educational attainment, a correlate of cognitive reserve, predicts the amount of cognitive decline associated with a new brain infarct... - Evaluation of carotid stenosis using CT angiography in the initial evaluation of stroke and TIAS A Josephson
Department of Neurology, University of California, San Francisco, CA, USA
Neurology 63:457-60. 2004..CT angiography appears to be an excellent screening test for internal carotid artery stenosis, and the authors advocate its use for the initial imaging of patients with suspected stroke or TIA... 
The 5-year direct medical cost of neonatal and childhood stroke in a population-based cohortM A Gardner
Department og Pediatrics, University of California, San Francisco, Department of Neurology, San Francisco, CA 94143 0114, USA
Neurology 74:372-8. 2010..We examined acute and 5-year direct costs of neonatal and childhood stroke in a population-based cohort in Northern California...- Stroke risk factors and loss of high cognitive functionJ S Elkins
University of California, San Francisco, CA 94143-0114, USA
Neurology 63:793-9. 2004..Additional studies are needed to determine whether modification of stroke risk factors can reduce the cognitive decline that is often attributed to normal aging... - Deaths from stroke in US children, 1979 to 1998H J Fullerton
Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
Neurology 59:34-9. 2002..As these findings have been attributed to control of stroke risk factors that are less important in children, trends and demographics of childhood stroke mortality are of interest, but have not been explored... - Arterial dissection and stroke in childrenH J Fullerton
Department of Neurology, University of California, San Francisco 94143 0114, USA
Neurology 57:1155-60. 2001..To describe the clinical characteristics of dissections of cerebral arteries in children... - Incidence and mortality of generalized convulsive status epilepticus in CaliforniaY W Wu
Department of Neurology, University of California, San Francisco, 94143 0136, USA
Neurology 58:1070-6. 2002..Few population-based studies of status epilepticus have been performed in the United States... - The thickness of the temporal squama and its implication for transcranial sonographyA A Jarquin-Valdivia
Department of Neurology, Division of Neurocritical Care, Vascular Ultrasound Laboratory, University of California, San Francisco, USA
J Neuroimaging 14:139-42. 2004..The authors assessed if the thickness of the temporal bone squama as measured in the "bone window" of the head computerized tomography (CT) scan can predict the transtemporal acoustic window... 
Is mechanical clot removal or disruption a cost-effective treatment for acute stroke?M N Nguyen-Huynh
Departments of Neurology, University of California, San Francisco, 94143 0114, USA
AJNR Am J Neuroradiol 32:244-9. 2011..We examined whether interventions such as mechanical clot removal or disruption with angioplasty are cost-effective for acute ischemic stroke compared with best medical therapy...- A randomized trial of hypothesis-driven vs screening neurologic examinationHooman Kamel
Department of Neurology, University of California, San Francisco, CA, USA
Neurology 77:1395-400. 2011..We hypothesized that trainees would perform better using a hypothesis-driven rather than a traditional screening approach to the neurologic examination... - Obstacles to primary stroke prevention in children with sickle cell diseaseH J Fullerton
University of California, San Francisco, Department of Neurology, Box 0137, San Francisco, CA 94143-0137, USA
Neurology 67:1098-9. 2006 - Prevalence and knowledge of transient ischemic attack among US adultsS C Johnston
Neurovascular Service, Department of Neurology, University of California, San Francisco, CA 94143 0114, USA
Neurology 60:1429-34. 2003..Little information is available about public knowledge of TIA and prevalence of a TIA diagnosis... - Genome screen to detect linkage to common susceptibility genes for intracranial and aortic aneurysmsBradford B Worrall
University of Virginia Health System, Department of Neurology, Box 800394, Charlottesville, VA 22908, USA
Stroke 40:71-6. 2009..We performed a genomewide linkage analysis in multiplex families with both IA and AA from the Familial Intracranial Aneurysm study... - Unruptured intracranial aneurysms: the unreliability of clinical judgment, the necessity for evidence, and reasons to participate in a randomized trialJ Raymond
Interventional Neuroradiology Research Unit, Department of Radiology, , CHUM Notre-Dame Hospital, Montreal, Canada
J Neuroradiol 33:211-9. 2006