Research Topics
| Stephen M DavisSummaryAffiliation: Royal Melbourne Hospital Country: Australia Publications
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Publications
CT screening for thrombolysis: uncertainties remainStephen M Davis
Department of Neurology, Royal Melbourne Hospital and the University of Melbourne, Parkville Victoria 3050, Australia
Stroke 34:822-3. 2003
Steroids for stroke: another potential therapy discarded prematurely?Stephen M Davis
Department of Neurology, Royal Melbourne Hospital and University of Melbourne, Parkville, Victoria, Australia 3050
Stroke 35:230-1. 2004
Stroke unit design: high tech versus low techStephen M Davis
Department of Neurology, Royal Melbourne Hospital and University of Melbourne, Parkville, Victoria, Australia 3050
Stroke 35:1021. 2004
Blood pressure reduction and ACE inhibition in secondary stroke prevention: mechanism uncertainStephen M Davis
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Australia
Stroke 34:1335-6. 2003
Advances in penumbra imaging with MRStephen M Davis
Department of Neurology, Royal Melbourne Hospital, Parkville, Vic, Australia
Cerebrovasc Dis 17:23-7. 2004..Such trials can be performed with 100-200 patients randomized between treated and control groups and provide a biological signal of efficacy with only 10% of the sample size required for a Phase III study...
Why lacunar syndromes are different and importantStephen M Davis
Department of Neurology, Royal Melbourne Hospital and University of Melbourne, Parkville, Victoria, Australia 3050
Stroke 35:1780-1. 2004
Thunderclap headache: CT and lumbar puncture but occasionally more!Stephen M Davis
Royal Melbourne Hospital, Melbourne Neuroscience Centre, Parkville, Australia
Stroke 39:1396. 2008
Selection of thrombolytic therapy beyond 3 h using magnetic resonance imagingStephen M Davis
Department of Neurology, Royal Melbourne Hospital University of Melbourne, Australia
Curr Opin Neurol 18:47-52. 2005..There are a number of current prospective trials that are testing the hypothesis that the presence of the penumbra will predict thrombolytic responders beyond 3 h...
Effects of alteplase beyond 3 h after stroke in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET): a placebo-controlled randomised trialStephen M Davis
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Australia
Lancet Neurol 7:299-309. 2008..We aimed to test whether alteplase given 3-6 h after stroke onset promotes reperfusion and attenuates infarct growth in patients who have a mismatch in perfusion-weighted MRI (PWI) and diffusion-weighted MRI (DWI)...
Using mismatch on MRI to select thrombolytic responders: an attractive hypothesis awaiting confirmationStephen M Davis
Department of Neurology, Royal Melbourne Hospital, and University of Melbourne, Parkville, Australia
Stroke 36:1106-7. 2005
Medical management of haemorrhagic strokeS M Davis
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Melbourne, VIC 3050, Australia
Crit Care Resusc 7:185-8. 2005..It is accepted that corticosteroids should not be used in ICH and may worsen outcomes. The management of acute hypertension is controversial and guidelines are based on little direct evidence...
Treating the acute stroke patient as an emergency: current practices and future opportunitiesS Davis
Department of Neurology, The Royal Melbourne Hospital and University of Melbourne, Victoria, Australia
Int J Clin Pract 60:399-407. 2006..Virtually all stroke patients would benefit from receiving multidisciplinary care in acute stroke units...
Hematoma growth is a determinant of mortality and poor outcome after intracerebral hemorrhageS M Davis
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Parkville, Australia
Neurology 66:1175-81. 2006..Although volume of intracerebral hemorrhage (ICH) is a predictor of mortality, it is unknown whether subsequent hematoma growth further increases the risk of death or poor functional outcome...
Ischemic penumbra: MRI or PETStephen M Davis
Department of Neurology, Royal Melbourne Hospital, Parkville Victoria 3050, Australia
Stroke 34:2536. 2003
Unruptured brain arteriovenous malformations: another asymptomatic conundrumStephen M Davis
Royal Melbourne Hospital, Parkville, Australia
Stroke 38:3312. 2007
The stroke-prone state: rapid assessment of transient ischemic attacksStephen M Davis
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Australia
Stroke 37:1140. 2006
Carotid stenting is unproven: randomization is a mustStephen M Davis
Department of Neurology, Royal Melbourne Hospital and the University of Melbourne, Parkville, Victoria, Australia
Stroke 33:2522-3. 2002
Persistent poststroke hyperglycemia is independently associated with infarct expansion and worse clinical outcomeTracey A Baird
Department of Neurology, Royal Melbourne Hospital, Parkville, Victoria, Australia
Stroke 34:2208-14. 2003..There is an urgent need to study normalization of blood glucose after stroke...
The benefits of intravenous thrombolysis relate to the site of baseline arterial occlusion in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)Deidre A De Silva
Department of Neurology, Royal Melbourne Hospital, Melbourne, Australia
Stroke 41:295-9. 2010..We studied the influence of site and degree of arterial obstruction patients enrolled in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)...
Fluid-attenuated inversion recovery hyperintensity in acute ischemic stroke may not predict hemorrhagic transformationBruce C V Campbell
Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, Vic, Australia
Cerebrovasc Dis 32:401-5. 2011..Given the important implications for clinical practice, we examined the prevalence of FLAIR hyperintensity in patients 3-6 h from stroke onset and its relationship to parenchymal hematoma (PH)...
Expediting MRI-based proof-of-concept stroke trials using an earlier imaging end pointMartin Ebinger
Department of Neurology, The Royal Melbourne Hospital, Grattan Street, Parkville, Australia
Stroke 40:1353-8. 2009..These trials could be expedited if subacute diffusion-weighted imaging lesion volume replaced late T2-weighted lesion volume as the primary end point...
Visual assessment of perfusion-diffusion mismatch is inadequate to select patients for thrombolysisBruce C V Campbell
Department of Medicine and Neurology, Royal Melbourne Hospital, University of Melbourne, Parkville, Vic, Australia
Cerebrovasc Dis 29:592-6. 2010..We compared the accuracy of visually rating console-generated images with offline volumetric measurements using data from the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)...
Pretreatment diffusion- and perfusion-MR lesion volumes have a crucial influence on clinical response to stroke thrombolysisMark W Parsons
Department of Neurology, John Hunter Hospital, University of Newcastle, Newcastle, New South Wales, Australia
J Cereb Blood Flow Metab 30:1214-25. 2010..Clinical responsiveness to IV-tPA, and stroke outcome, depends more on baseline DWI and PWI lesion volumes than the extent of perfusion-diffusion mismatch...
Regional very low cerebral blood volume predicts hemorrhagic transformation better than diffusion-weighted imaging volume and thresholded apparent diffusion coefficient in acute ischemic strokeBruce C V Campbell
Department of Neurology, Royal Melbourne Hospital, Grattan Street, Parkville VIC 3050, Australia
Stroke 41:82-8. 2010..Preliminary studies have suggested that very low cerebral blood volume (VLCBV) predicts HT. We compared HT prediction by VLCBV and DWI using data from the EPITHET study...
Pathophysiological determinants of worse stroke outcome in atrial fibrillationHans T H Tu
Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Grattan Street, Parkville, VIC 3050, Australia
Cerebrovasc Dis 30:389-95. 2010..We aimed to elucidate the pathophysiological determinants of poorer stroke outcome in patients with AF using systematic MRI data from the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)...
Moving beyond a single perfusion threshold to define penumbra: a novel probabilistic mismatch definitionYoshinari Nagakane
National Stroke Research Institute, Florey Neuroscience Institutes, Austin Health, University of Melbourne, Victoria 3053, Australia
Stroke 43:1548-55. 2012....
Apparent diffusion coefficient thresholds do not predict the response to acute stroke thrombolysisPoh-Sien Loh
Department of Neurology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
Stroke 36:2626-31. 2005..The fate of this tissue is variable and cannot be predicted based on the ADC alone. DWI expansion occurs in bioenergetically normal tissue, and this is attenuated by tPA in a time-dependent fashion...
The use of PWI and DWI measures in the design of "proof-of-concept" stroke trialsP Alan Barber
Department of Neurology, Royal Melbourne Hospital, Parkville, VIC 3050, Australia
J Neuroimaging 14:123-32. 2004..These measures could be used as surrogate markers of outcome in late phase II proof-of-concept stroke studies designed to provide efficacy signals before embarking on large phase III studies with definitive clinical endpoints...
EPITHET: Positive Result After Reanalysis Using Baseline Diffusion-Weighted Imaging/Perfusion-Weighted Imaging Co-RegistrationYoshinari Nagakane
National Stroke Research Institute, University of Melbourne, Australia
Stroke 42:59-64. 2011..We hypothesized that assessing the extent of mismatch by coregistration of perfusion and diffusion MRI maps may more accurately allow the effects of alteplase vs placebo to be evaluated...
Assessing response to stroke thrombolysis: validation of 24-hour multimodal magnetic resonance imagingBruce C V Campbell
BMedSc, FRACP, Department of Neurology, Royal Melbourne Hospital, Grattan Street, Parkville, Victoria 3050, Australia
Arch Neurol 69:46-50. 2012..Imaging is used as a surrogate for clinical outcome in early-phase stroke trials. Assessment of infarct growth earlier than the standard 90 days used for clinical end points may be equally accurate and more practical...
Rapid assessment of perfusion-diffusion mismatchKen Butcher
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
Stroke 39:75-81. 2008..We examined interrater variability in PWI/DWI volume measurements and developed a rapid assessment tool based on the Alberta Stroke Program Early CT Scores (ASPECTS) system...
Comparison of computed tomography perfusion and magnetic resonance imaging perfusion-diffusion mismatch in ischemic strokeBruce C V Campbell
Department of Medicine, The Melbourne Brain Centre at Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia
Stroke 43:2648-53. 2012..We tested the correspondence of computed tomography perfusion (CTP)-derived mismatch with contemporaneous perfusion-diffusion magnetic resonance imaging (MRI)...
The infarct core is well represented by the acute diffusion lesion: sustained reversal is infrequentBruce C V Campbell
Department of Medicine and Neurology, The Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia
J Cereb Blood Flow Metab 32:50-6. 2012..Clinically relevant DLR is uncommon and rarely alters perfusion-diffusion mismatch. The acute diffusion lesion is generally a reliable signature of the infarct core...
Insular cortical ischemia is independently associated with acute stress hyperglycemiaLouise E Allport
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia
Stroke 35:1886-91. 2004..Neuroendocrine dysregulation after insular ischemia may be 1 aspect of a more generalized acute stress response. Future studies of poststroke hyperglycemia should account for the effect of insular cortical ischemia...
Density and shape as CT predictors of intracerebral hemorrhage growthChristen D Barras
Department of Neurology, Royal Melbourne Hospital, Parkville, Victoria, Australia
Stroke 40:1325-31. 2009..We hypothesized that irregular hematoma shape and density heterogeneity, reflecting active, multifocal bleeding or a variable bleeding time course, would predict ICH growth...
Assessing reperfusion and recanalization as markers of clinical outcomes after intravenous thrombolysis in the echoplanar imaging thrombolytic evaluation trial (EPITHET)Deidre A De Silva
Division of Neurosciences, Royal Melbourne Hospital, Grattan Street, Parkville 3050, Victoria, Australia
Stroke 40:2872-4. 2009..We aimed to prove that the beneficial impact of recanalization with intravenous tissue plasminogen activator on clinical outcomes is attributable to reperfusion in the Echoplanar Imaging Thrombolytic Evaluation Trial (EPITHET)...
Clinical-diffusion mismatch and benefit from thrombolysis 3 to 6 hours after acute strokeMartin Ebinger
Department of Neurology, Royal Melbourne Hospital, Parkville, Australia
Stroke 40:2572-4. 2009..We hypothesized that in the 3- to 6-hour time window, the effect of tPA was significantly greater in patients with CDM than in patients without CDM...
Cerebral blood flow is the optimal CT perfusion parameter for assessing infarct coreBruce C V Campbell
Department of Medicine, The Royal Melbourne Hospital, University of Melbourne, Grattan Street, Parkville VIC 3050, Australia
Stroke 42:3435-40. 2011..Cerebral blood volume (CBV) has been proposed as the best predictor of infarct core. We tested CBV against other common CTP parameters using contemporaneous diffusion MRI...
A multicentre, randomized, double-blinded, placebo-controlled Phase III study to investigate EXtending the time for Thrombolysis in Emergency Neurological Deficits (EXTEND)Henry Ma
National Stroke Research Institute, Florey Neuroscience Institutes, Austin Health, University of Melbourne, Heidelberg Heights, Victoria, Australia
Int J Stroke 7:74-80. 2012..Imaging secondary outcomes will include symptomatic intracranial haemorrhage, reperfusion and or recanalization at 24 h and infarct growth at day 90...
Rapid neurological recovery after intravenous tissue plasminogen activator in stroke: prognostic factors and outcomeBejoy Machumpurath
Department of Neurology, Royal Melbourne Hospital, Melbourne, VIC 3050, Australia
Cerebrovasc Dis 31:278-83. 2011..This has previously not been systematically studied. We aimed to examine its incidence, predictive factors and correlation with clinical outcomes...
Fragmentation of the classical magnetic resonance mismatch "penumbral" pattern with timeHenry Ma
National Stroke Research Institute, Austin Health, University of Melbourne, 300 Waterdale Rd, Heidelberg West, VIC 3081, Australia
Stroke 40:3752-7. 2009..Because of variable rates of tissue salvage, we hypothesized that this pattern may fragment over time and may be influenced by vessel patency, mismatch volume, and infarct core location...
Acute hyperglycemia adversely affects stroke outcome: a magnetic resonance imaging and spectroscopy studyMark W Parsons
Royal Melbourne Hospital Echoplanar Imaging Stroke Study Group and Department of Medicine, University of Melbourne, Parkville VIC, Australia
Ann Neurol 52:20-8. 2002..These findings support the need for randomized controlled trials of aggressive glycemic control in acute stroke...
Examining the lacunar hypothesis with diffusion and perfusion magnetic resonance imagingRichard P Gerraty
Department of Neurology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
Stroke 33:2019-24. 2002..New MRI techniques may allow more accurate determination of the stroke mechanism soon after admission...
The hidden mismatch: an explanation for infarct growth without perfusion-weighted imaging/diffusion-weighted imaging mismatch in patients with acute ischemic strokeHenry K Ma
National Stroke Research Institute, Austin Health, University of Melbourne, 300 Waterdale Road, Heidelberg West, Victoria 3081, Australia
Stroke 42:662-8. 2011..We hypothesized that this observation may be attributable to the presence of undetected "hidden mismatch," which may become obvious when coregistration techniques are used...
Diffusion- and perfusion-weighted MRI response to thrombolysis in strokeMark W Parsons
Royal Melbourne Hospital Echoplanar Imaging Stroke Study Group, Melbourne, Australia
Ann Neurol 51:28-37. 2002..This has implications for the use of diffusion- and perfusion-weighted imaging in selecting and monitoring patients for thrombolytic therapy...
The influence of diabetes mellitus and hyperglycaemia on stroke incidence and outcomeTracey A Baird
Department of Neurology, Royal Melbourne Hospital, Melbourne, Australia
J Clin Neurosci 9:618-26. 2002..Clinicians responsible for stroke patients should be aware of the importance of adequate glycaemic control in both primary and secondary prevention of stroke...
Frequent early cardiac complications contribute to worse stroke outcome in atrial fibrillationHans T H Tu
University Department of Medicine, University of Melbourne, Melbourne, Vic, Australia
Cerebrovasc Dis 32:454-60. 2011..This might have important implications for acute stroke management in patients with AF...
Differential prognosis of isolated cortical swelling and hypoattenuation on CT in acute strokeKenneth S Butcher
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
Stroke 38:941-7. 2007..The hypothesis that these signs result from different pathophysiological processes was tested by comparing CT with diffusion and perfusion- weighted MRI...
Controversy: the essence of medical debateGeoffrey A Donnan
National Stroke Research Institute, Austin and Repatriation Medical Center and the University of Melbourne, Victoria, Australia
Stroke 34:372-3. 2003
Neuroimaging, the ischaemic penumbra, and selection of patients for acute stroke therapyGeoffrey A Donnan
National Stroke Research Institute, Austin and Repatriation Medical Centre, University of Melbourne, West Heidelberg, Victoria, Australia
Lancet Neurol 1:417-25. 2002..Future developments in imaging technologies may provide other opportunities for surrogate outcome studies...
The role of bolus delay and dispersion in predictor models for strokeLisa Willats
Melbourne Brain Centre, 245 Burgundy Street, Heidelberg, Victoria, 3084, Australia
Stroke 43:1025-31. 2012..This work investigates the infarct risk associated with delay/dispersion using multiparametric predictor models...
Hyperglycaemia and the ischaemic brain: continuous glucose monitoring and implications for therapyLouise E Allport
Department of Neurology, Royal Melbourne Hospital, Parkville, VIC 3050, Australia
Curr Diabetes Rev 4:245-57. 2008....
Acute stroke thrombolysis with intravenous tissue plasminogen activator in an Australian tertiary hospitalCassandra E I Szoeke
Department of Neurology, Royal Melbourne Hospital, Parkville, Vic
Med J Aust 178:324-8. 2003..CONCLUSION: Rates of favourable outcomes and symptomatic ICH at our hospital were similar to those achieved in international phase III and IV trials in specialised centres...
How to make better use of thrombolytic therapy in acute ischemic strokeGeoffrey A Donnan
Florey Neuroscience Institutes, University of Melbourne, Level 2, 161 Barry Street, Carlton South, VIC 3053, Australia
Nat Rev Neurol 7:400-9. 2011..Elimination of prehospital and in-hospital delays is an urgent priority...
StrokeGeoffrey A Donnan
National Stroke Research Institute, Austin Hospital, University of Melbourne, Melbourne, Victoria, Australia
Lancet 371:1612-23. 2008..These advances have exposed a worldwide shortage of stroke health-care workers, especially in developing countries...
Stroke drug development: usually, but not always, animal modelsGeoffrey A Donnan
National Stroke Research Institute, Austin and Repatriation Medical Centre, University of Melbourne, Melbourne, Australia
Stroke 36:2326. 2005
Penumbral selection of patients for trials of acute stroke therapyGeoffrey A Donnan
National Stroke Research Institute, Austin Health, University of Melbourne, Australia
Lancet Neurol 8:261-9. 2009..Recent advances in penumbral imaging technology should enable a phase III alteplase trial to be done beyond 4.5 h by use of techniques to select patients with penumbral tissue...
Salvaging the ischaemic penumbra: more than just reperfusion?Thanh G Phan
National Stroke Research Institute, West Heidelberg, Victoria, Australia
Clin Exp Pharmacol Physiol 29:1-10. 2002..Both animal and human models of cerebral ischaemia imaged using magnetic resonance and positron emission tomography techniques will be discussed...
The role of blood pressure lowering before and after strokeGeoffrey A Donnan
National Stroke Research Institute, Austin and Repatriation Medical Centre, University of Melbourne, West Heidelberg, and Department of Neurology, Royal Melbourne Hospital, Parkville, Victoria, Australia
Curr Opin Neurol 16:81-6. 2003..There have been a number of significant randomized controlled trials which may influence management in each of these three categories...
Plasminogen activation and thrombolysis for ischemic strokeRobert L Medcalf
Australian Centre for Blood Diseases, Monash University, Melbourne, Victoria, Australia
Int J Stroke 7:419-25. 2012..Furthermore, we will also provide an overview of recent and current trials assessing tissue-type plasminogen activator and related thrombolytic agents as well as novel approaches for the treatment of ischemic stroke...
Stenting for middle cerebral artery stenosis: inevitable but when and howGeoffrey A Donnan
National Stroke Research Institute, Heidelberg Heights, Victoria, Australia
Stroke 38:1422. 2007
Recommendations for the relationship between sponsors and investigators in the design and conduct of clinical stroke trialsGeoffrey A Donnan
National Stroke Research Institute, Department of Neurology, Austin and Repatriation Medical Centre, University of Melbourne, West Heidelberg, Victoria, Australia
Stroke 34:1041-5. 2003..Both parties need benchmarks or recommendations to act as a reference point when trials are initiated and conducted. These recommendations are designed to fulfill this role...
A pilot study of resistance to aspirin in stroke patientsDaniel Bennett
Departments of Neurology, Royal Melbourne Hospital and University of Melbourne, Grattan Street, Parkville, Victoria 3050, Australia
J Clin Neurosci 15:1204-9. 2008..88; 95% confidence interval 0.54-29.87; p=0.18). This study shows that aspirin resistance is prevalent within the Australian ischaemic stroke population...
Perfusion thresholds in acute stroke thrombolysisK Butcher
Department of Neurology, Royal Melbourne Hospital, Parkville, Victoria 3050, Australia
Stroke 34:2159-64. 2003..Identification of threshold perfusion measures that predict infarction may assist in the selection of patients for thrombolysis...
Refining the perfusion-diffusion mismatch hypothesisK S Butcher
Department of Neurology, Royal Melbourne Hospital, University of Melbourne, Australia
Stroke 36:1153-9. 2005..There is no accepted standardized definition of PWI-DWI mismatch. We compared common mismatch definitions in the initial 40 EPITHET patients...
Neuroprotection: still achievable in humansGeoffrey A Donnan
Royal Melbourne Hospital, University of Melbourne, Parkville, Victoria, Australia
Stroke 39:525. 2008
Brain imaging in transient ischemic attack--redefining TIAAleksandra M Pavlovic
Department of Neurology, Royal Melbourne Hospital, Grattan Street, Parkville, Melbourne, Victoria 3050, Australia
J Clin Neurosci 17:1105-10. 2010..Alongside clinical judgement, use of MRI has the potential to change the management of TIA patients and is the imaging modality of choice for this condition...
When to measure lipid profile after stroke?Bernard Yan
Department of Neurology, Royal Melbourne Hospital, Melbourne, Australia
Cerebrovasc Dis 19:234-8. 2005..We therefore aimed to determine the optimal time for lipid measurements after stroke. We hypothesized that TC would acutely decrease after stroke and return to baseline by 12 weeks...
Risk factor management and depression post-stroke: the value of an integrated model of careJacques Joubert
Department of Neurology, Royal Melbourne Hospital, Parkville, Australia
J Clin Neurosci 13:84-90. 2006....
Effective prophylaxis for deep venous thrombosis after stroke: both low-dose anticoagulation and stockings for most casesStephen M Davis
Department of Neurology, Royal Melbourne Hospital and University of Melbourne, Parkville, Victoria, Australia 3050
Stroke 35:2910. 2004
MRI and stroke: why has it taken so long?Geoffrey A Donnan
National Stroke Research Institute, Austin Hospital, University of Melbourne, Melbourne, Victoria 3081, Australia
Lancet 369:252-4. 2007
Basilar artery thrombosis: recanalization is the keyStephen M Davis
Royal Melbourne Hospital, Australia
Stroke 37:2440. 2006
Integrated care improves risk-factor modification after stroke: initial results of the Integrated Care for the Reduction of Secondary Stroke modelJ Joubert
Department of Neurology, Royal Melbourne Hospital, Melbourne, Australia
J Neurol Neurosurg Psychiatry 80:279-84. 2009..The aim was to implement and evaluate an integrated care programme in stroke...
Thrombolysis for stroke: defining the time windowStephen M Davis
Stroke 33:495-6. 2002
Patients with transient ischemic attack or minor stroke should be admitted to hospital: forGeoffrey A Donnan
Department of Clinical Neuroscience, University of Calgary, Calgary, Alberta, Canada
Stroke 37:1137-8. 2006
Determinants of intracerebral hemorrhage growth: an exploratory analysisJoseph P Broderick
Department of Neurology, The Neuroscience Institute, University of Cincinnati Medical Center, Cincinnati, OH, USA
Stroke 38:1072-5. 2007..We report an exploratory analysis from a randomized study of recombinant activated factor VII (rFVIIa) in patients with intracerebral hemorrhage (ICH) examining potential factors associated with hemorrhage growth...
NXY-059 for acute ischemic strokeKennedy R Lees
Acute Stroke Unit and Cerebrovascular Clinic, University Department of Medicine and Therapeutics, Gardiner Institute, Western Infirmary, Glasgow, United Kingdom
N Engl J Med 354:588-600. 2006..NXY-059 is a free-radical-trapping agent that is neuroprotective in animal models of stroke. We tested whether it would reduce disability in humans after acute ischemic stroke...
Additional outcomes and subgroup analyses of NXY-059 for acute ischemic stroke in the SAINT I trialKennedy R Lees
Acute Stroke Unit and Cerebrovascular Clinic, University Department of Medicine and Therapeutics, Gardiner Institute, Western Infirmary, 44 Church St, Glasgow, Scotland G11 6NT
Stroke 37:2970-8. 2006..NXY-059 is a free radical-trapping neuroprotectant demonstrated to reduce disability from ischemic stroke. We conducted analyses on additional end points and sensitivity analyses to confirm our findings...
Proof-of-principle phase II MRI studies in stroke: sample size estimates from dichotomous and continuous dataThanh G Phan
Stroke 37:2521-5. 2006..For positive studies, biologically plausible surrogates such as these may provide a rationale for proceeding to phase III trials...
Recombinant activated factor VII for acute intracerebral hemorrhage: US phase IIA trialStephan A Mayer
Department of Neurology, Columbia University College of Physicians and Surgeons, New York, NY, USA
Neurocrit Care 4:206-14. 2006..We conducted this trial to evaluate the safety of activated recombinant factor VII (rFVIIa; NovoSeven) for preventing early hematoma growth in acute ICH...
Dynamics of intraventricular hemorrhage in patients with spontaneous intracerebral hemorrhage: risk factors, clinical impact, and effect of hemostatic therapy with recombinant activated factor VIIThorsten Steiner
Department of Neurology, Univesity of Heidelberg, Heidelberg, Germany
Neurosurgery 59:767-73; discussion 773-4. 2006..To evaluate predictors of intraventricular hemorrhage (IVH) and IVH growth, impact of IVH growth on outcome, and impact of recombinant activated factor VII (rFVIIa) in patients with intracerebral hemorrhage (ICH)...
Relationship between severity of MR perfusion deficit and DWI lesion evolutionMark W Parsons
Neurology 58:1707; author reply 1707. 2002
Association between disability measures and healthcare costs after initial treatment for acute strokeJesse Dawson
Department of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
Stroke 38:1893-8. 2007....
Surgery for intracerebral hemorrhage: an evidence-poor zoneGeoffrey A Donnan
The National Stroke Research Institute, Austin and Repatriation Medical Centre, Level 1, Neuroscience Bldg, Banksia Street, Heidelberg VIC 3084 Australia
Stroke 34:1569-70. 2003
Evidence-based care and outcomes of acute stroke managed in hospital specialty unitsBrendan K Duffy
Department of Medicine, Flinders University, Bedford Park, SA
Med J Aust 178:318-23. 2003..CONCLUSIONS: Acute stroke care varies between Australian tertiary-care hospitals and types of specialty unit, with suboptimal use of many evidence-based interventions...
National healthline responses to a stroke scenario: implications for early interventionBrett Jarrell
Stroke 38:2376-8. 2007..Improved stroke education for healthline personnel may result in stroke patients arriving at an emergency department more urgently...
Serum calcium as prognosticator in ischemic strokeBruce Ovbiagele
Stroke Center and Department of Neurology, University of California at Los Angeles Medical Center, 710 Westwood Plaza, Los Angeles, CA 90095, USA
Stroke 39:2231-6. 2008..Calcium (Ca(2+)) plays a role in the cellular and molecular pathways of ischemic neuronal death. We evaluated the impact of both early and delayed Ca(2+) levels on clinical outcomes from acute ischemic stroke...
Tissue plasminogen activator for ischaemic stroke: highly effective, reasonably safe and grossly underusedStephen M Davis
Med J Aust 187:548-9. 2007..Australian health systems must rise to the challenge of providing thrombolysis to more stroke patients...
NXY-059 for the treatment of acute stroke: pooled analysis of the SAINT I and II TrialsHans Christoph Diener
Department of Neurology, University of Duisburg Essen, Hufelandstrasse 55, 45122 Essen, Germany
Stroke 39:1751-8. 2008..SAINT I and II were randomized, placebo-controlled, double-blind trials to investigate the efficacy of NXY-059 in patients with AIS...
NXY-059 for the treatment of acute ischemic strokeAshfaq Shuaib
Division of Neurology, University of Alberta, Edmonton, Canada
N Engl J Med 357:562-71. 2007..We sought confirmation of efficacy in a second, larger trial...
Can the time window for administration of thrombolytics in stroke be increased?Geoffrey A Donnan
National Stroke Research Institute, Austin and Repatriation Medical Centre, 300 Waterdale Road, West Heidelberg, Victoria 3081, Australia
CNS Drugs 17:995-1011. 2003..Should these means of extending the time window for thrombolysis prove successful, a more widespread use of this form of acute stroke therapy will be possible...
Risk of thromboembolic events in controlled trials of rFVIIa in spontaneous intracerebral hemorrhageMichael N Diringer
Department of Neurology, Campus Box 8111, Washington University School of Medicine, 660 South Euclid Ave, St Louis, MO 63110, USA
Stroke 39:850-6. 2008..Despite low incidences of such events in rFVIIa-treated hemophiliacs, the frequency in older patients with more atherosclerosis and immobility has yet to be defined...
Safety and tolerability of NXY-059 for acute intracerebral hemorrhage: the CHANT TrialPatrick D Lyden
UCSD Stroke Center, San Diego, CA 92103, USA
Stroke 38:2262-9. 2007..To facilitate prompt administration of treatment, potentially before neuroimaging, we investigated the safety of NXY-059 in patients with intracerebral hemorrhage (ICH)...
The Avoid Stroke as Soon as Possible (ASAP) general practice stroke auditJonathan W Sturm
National Stroke Research Institute and Department of Neurology, Austin and Repatriation Medical Centre, West Heidelberg, Vic
Med J Aust 176:312-6. 2002..There is considerable scope for improving management of stroke risk factors. The Avoid Stroke as Soon as Possible (ASAP) general practice stroke audit provides a baseline against which progress in risk-factor management can be measured...
Therapy for intracerebral hemorrhageStephen M Davis
J Clin Neurosci 12:219-20. 2005
Association between early returns and frequent ED visits at a rural academic medical centerJack E Riggs
Department of Emergency Medicine, West Virginia University School of Medicine, Morgantown, WV, USA
Am J Emerg Med 21:30-1. 2003..55, 95% CI 12.84-16.48; Wald chi(2), P <.000001). The high rate of early returns to this rural academic ED was significantly associated with frequent visits (4 or more times per year) to the ED by particular individual...
Atheroma of the aortic arch: an important and poorly recognised factor in the aetiology of strokeMalcolm R Macleod
Division of Clinical Neurosciences, University of Edinburgh, UK
Lancet Neurol 3:408-14. 2004..Here we review the evidence for aortic-arch atheroma as an important independent risk factor for stroke, and show that studies of the risk of stroke indicate a four times greater odds of stroke in patients with severe arch atheroma...
Predictors of stroke during 9-1-1 calls: opportunities for improving EMS responseReginald L Reginella
Department of Emergency Medicine, West Virginia University, Morgantown, WV 26506, USA
Prehosp Emerg Care 10:369-73. 2006..27). CONCLUSIONS. The majority of stroke patients in this study could be identified by 9-1-1 dispatchers if the caller reported any one of the following four complaints: stroke, facial droop, weakness/fall, or impaired communication...
Multicenter comparison of processes of care between Stroke Units and conventional care wards in AustraliaDominique A Cadilhac
National Stroke Research Institute, Level 1 Neurosciences Building, Repatriation Hospital, 300 Waterdale Road, Heidelberg Heights, Victoria, Australia 3081
Stroke 35:1035-40. 2004..Reasons may include greater adherence to processes of care (PoC). The primary hypothesis was that adherence to selected PoC is greater in SUs than in other acute care models...
Surgical decompression for malignant middle cerebral artery infarction: a challenge to conventional thinkingGeoffrey A Donnan
The National Stroke Research Institute, Austin and Repatriation Medical Centre, Level 1, Neuroscience Bldg, Banksia Street, Heidelberg VIC 3084
Stroke 34:2307. 2003
Risk of ischemic stroke among users of the oral contraceptive pill: The Melbourne Risk Factor Study (MERFS) GroupSasitorn Siritho
National Stroke Research Institute, Austin and Repatriation Medical Centre, West Heidelberg, Australia
Stroke 34:1575-80. 2003..Other modifiable risk factors such as hypertension, diabetes mellitus, and smoking are important...
