Research Topics
| Peter M RothwellSummaryAffiliation: University of Oxford Country: UK Publications
| Collaborators
|
Detail Information
Publications
Effect of daily aspirin on risk of cancer metastasis: a study of incident cancers during randomised controlled trialsPeter M Rothwell
Stroke Prevention Research Unit, Nuffield Department of Clinical Neuroscience, University of Oxford, UK
Lancet 379:1591-601. 2012..We established the frequency of distant metastasis in patients who developed cancer during trials of daily aspirin versus control...
Short-term effects of daily aspirin on cancer incidence, mortality, and non-vascular death: analysis of the time course of risks and benefits in 51 randomised controlled trialsPeter M Rothwell
Stroke Prevention Research Unit, Nuffield Department of Clinical Neuroscience, University of Oxford, UK
Lancet 379:1602-12. 2012..We studied cancer deaths in all trials of daily aspirin versus control and the time course of effects of low-dose aspirin on cancer incidence and other outcomes in trials in primary prevention...
Five years of TrialsDouglas G Altman
Centre for Statistics in Medicine, Wolfson College Annexe, Linton Road, Oxford OX2 6UD, UK
Trials 12:248. 2011..These include the publication of raw data, extended versions of previously published trial-related articles, descriptions of 'lessons learned', negative results, and educational articles regarding ethics and reporting bias...
Assessing and reporting heterogeneity in treatment effects in clinical trials: a proposalDavid M Kent
Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, MA, USA
Trials 11:85. 2010..A standardized and transparent approach to HTE assessment and reporting could substantially improve clinical trial utility and interpretability...
Sex difference in the effect of time from symptoms to surgery on benefit from carotid endarterectomy for transient ischemic attack and nondisabling strokeP M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Rd, Oxford, UK OX2 6HE
Stroke 35:2855-61. 2004..To determine the effect of delay to CEA on operative risk and benefit, we pooled data from the North American Symptomatic Carotid Endarterectomy Trial and the European Carotid Surgery Trial...
Current status of carotid endarterectomy and stenting for symptomatic carotid stenosisPeter M Rothwell
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 24:116-25. 2007....
Fibrinogen concentration and risk of ischemic stroke and acute coronary events in 5113 patients with transient ischemic attack and minor ischemic strokePeter M Rothwell
Stroke Prevention Research Unit, University of Oxford, UK
Stroke 35:2300-5. 2004..Fibrinogen is an independent risk factor for coronary events in population-based studies and in patients with coronary heart disease, but there is uncertainty about prediction of stroke, particularly in secondary prevention...
Carotid endarterectomy for asymptomatic carotid stenosis: asymptomatic carotid surgery trialP M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Rd, Oxford OX2 6HE
Stroke 35:2425-7. 2004
Lessons from MATCH for future randomised trials in secondary prevention of strokePeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford OX2 6HE, UK
Lancet 364:305-7. 2004
Change in stroke incidence, mortality, case-fatality, severity, and risk factors in Oxfordshire, UK from 1981 to 2004 (Oxford Vascular Study)P M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 363:1925-33. 2004..We aimed to obtain these data...
Endarterectomy for symptomatic carotid stenosis in relation to clinical subgroups and timing of surgeryP M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford OX2 6HE, UK
Lancet 363:915-24. 2004..Benefit depends on the degree of stenosis, and we aimed to see whether it might also depend on other clinical and angiographic characteristics, and on the timing of surgery...
Prognostic modelsPeter M Rothwell
University Department of Clinical Neurology, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
Pract Neurol 8:242-53. 2008..This article considers how such models are best derived, and how their reliability should be assessed, drawing on examples from various different neurological disorders...
Medical and surgical management of symptomatic carotid stenosisPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, University of Oxford, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
Int J Stroke 1:140-9. 2006..Individual risk modelling has been shown to be useful in selecting patients with the most to gain from endarterectomy for symptomatic stenosis, although timely surgery and optimal medical treatment are of equal importance...
Effective stroke prevention in patients with symptomatic carotid stenosisPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 17:89-104. 2004..Such an approach will also be useful in targeting angioplasty and stenting in patients in whom endarterectomy is not possible...
Endarterectomy for symptomatic and asymptomatic carotid stenosisPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Level 6, West Wing, John Radcliffe Hospital, Headington, Oxford OX3 9DU, United Kingdom
Neurol Clin 26:1079-97, x. 2008..Long-term benefit from endarterectomy for asymptomatic carotid stenosis is limited, and further research is required to identify individuals with asymptomatic stenosis who have the most to gain from surgery...
Relationship between blood pressure and stroke risk in patients with symptomatic carotid occlusive diseaseP M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Rd, Oxford OX2 6HE UK
Stroke 34:2583-90. 2003..Therefore, we studied the effect of carotid artery disease on the relationship between blood pressure and stroke risk in patients with recent TIA or stroke...
Effect of urgent treatment of transient ischaemic attack and minor stroke on early recurrent stroke (EXPRESS study): a prospective population-based sequential comparisonPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet 370:1432-42. 2007..Our aim was to determine the effect of more rapid treatment after TIA and minor stroke in patients who are not admitted direct to hospital...
Treating individuals 2. Subgroup analysis in randomised controlled trials: importance, indications, and interpretationPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford OX2 6HE, UK
Lancet 365:176-86. 2005..Formal rules for the planning, analysis, and reporting of subgroup analyses are proposed...
Population-based study of event-rate, incidence, case fatality, and mortality for all acute vascular events in all arterial territories (Oxford Vascular Study)P M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 366:1773-83. 2005..In the Oxford Vascular Study, we determined the comparative epidemiology of different acute vascular syndromes, their current burdens, and the potential effect of the ageing population on future rates...
Prevention of stroke in patients with diabetes mellitus and the metabolic syndromePeter M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 20:24-34. 2005..Optimization of strategies to prevent vascular complications must be a priority, given the rapid rises in the incidence and prevalence of type 2 diabetes and the metabolic syndrome in most populations across the globe...
Recent advances in management of transient ischaemic attacks and minor ischaemic strokesPeter M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet Neurol 5:323-31. 2006....
Risk modeling to identify patients with symptomatic carotid stenosis most at risk of strokePeter M Rothwell
Stroke Prevention Research Unit, University of Oxford, Radcliffe Infirmary, Oxford, UK
Neurol Res 27:S18-28. 2005..In order to take into account all of the relevant factors, a risk prediction model is considered...
Symptomatic and asymptomatic carotid stenosis: how, when, and who to treat?Peter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, United Kingdom
Curr Atheroscler Rep 8:290-7. 2006..Further research is required in order to determine the role of carotid stenting and to identify those individuals with asymptomatic stenosis who have the most to gain from intervention...
Funding for practice-oriented clinical researchPeter M Rothwell
Stroke Prevention Research Unit, University of Oxford, Radcliffe Infirmary, Oxford OX2 6HE, UK
Lancet 368:262-6. 2006
Does transient ischemic attack deserve emergency care?Peter M Rothwell
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Nat Clin Pract Neurol 2:174-5. 2006
A simple score (ABCD) to identify individuals at high early risk of stroke after transient ischaemic attackP M Rothwell
Department of Clinical Neurology, University of Oxford, Radcliffe Infirmary, Oxford, OX2 6HE, UK
Lancet 366:29-36. 2005..Effective early management of patients with transient ischaemic attacks (TIA) is undermined by an inability to predict who is at highest early risk of stroke...
Clinical trials are too often founded on poor quality pre-clinical researchP M Rothwell
Stroke Prevention Research Unit, University of Oxford, Radcliffe Infirmary, Oxford OX2 6HE, UK
J Neurol 252:1115. 2005
Observational comparisons of different clinical servicesPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford OX2 6HE, UK
Lancet 369:254-5. 2007
Timing of TIAs preceding stroke: time window for prevention is very shortPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford, OX2 6HE, UK
Neurology 64:817-20. 2005..Patients with TIA are at increased risk of ischemic stroke and require preventive treatment. However, clinical guidelines differ on how urgently patients should be assessed...
Treating individuals 3: from subgroups to individuals: general principles and the example of carotid endarterectomyPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 365:256-65. 2005....
External validity of randomised controlled trials: "to whom do the results of this trial apply?"Peter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford OX2 6HE, UK
Lancet 365:82-93. 2005..This review discusses those determinants, presents a checklist for clinicians, and makes recommendations for greater consideration of external validity in the design and reporting of RCTs...
Transient ischemic attacks: stratifying riskPeter M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, University of Oxford, Oxford, UK
Stroke 37:320-2. 2006
Is intravenous recombinant plasminogen activator effective up to 4.5 h after onset of ischemic stroke?Peter M Rothwell
University Department of Clinical Neurology, John Radcliffe Hospital, Headington, Oxford, UK
Nat Clin Pract Cardiovasc Med 6:164-5. 2009..Ongoing trials aim to determine whether eligibility for thrombolysis can be extended in other ways, such as to patients aged over 80 years, patients with severe stroke, or patients with lacunar stroke...
Effect of daily aspirin on long-term risk of death due to cancer: analysis of individual patient data from randomised trialsPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 377:31-41. 2011..We studied deaths due to cancer during and after randomised trials of daily aspirin versus control done originally for prevention of vascular events...
Effects of beta blockers and calcium-channel blockers on within-individual variability in blood pressure and risk of strokePeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Lancet Neurol 9:469-80. 2010..We aimed to investigate whether the effects of these drugs on variability in blood pressure might explain these disparities in effect on stroke risk...
Does blood pressure variability modulate cardiovascular risk?Peter M Rothwell
University Department of Clinical Neurology, John Radcliffe Hospital, Level 6, West Wing, Headington, Oxford OX3 9DU, UK
Curr Hypertens Rep 13:177-86. 2011....
Medical treatment in acute and long-term secondary prevention after transient ischaemic attack and ischaemic strokePeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 377:1681-92. 2011..We review the main medical treatments that should be considered for most patients with transient ischaemic attack or ischaemic stroke in the acute phase and the long term, and draw attention to recent developments...
Evidence of a chronic systemic cause of instability of atherosclerotic plaquesP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet 355:19-24. 2000....
Interrelation between plaque surface morphology and degree of stenosis on carotid angiograms and the risk of ischemic stroke in patients with symptomatic carotid stenosis. On behalf of the European Carotid Surgery Trialists' Collaborative GroupP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 31:615-21. 2000..We sought to determine the interrelation between plaque surface morphology, degree of carotid stenosis, and the risk of ipsilateral ischemic stroke...
Low risk of ischemic stroke in patients with reduced internal carotid artery lumen diameter distal to severe symptomatic carotid stenosis: cerebral protection due to low poststenotic flow? On behalf of the European Carotid Surgery Trialists' CollaborativeP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 31:622-30. 2000....
Analysis of agreement between measurements of continuous variables: general principles and lessons from studies of imaging of carotid stenosisP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
J Neurol 247:825-34. 2000..The advantages and disadvantages of each of the methods are discussed in a non-technical and non-mathematical manner, and illustrated using data from a study of measurement of carotid stenosis by two observers on 1001 carotid angiograms...
Carotid artery disease and the risk of ischaemic stroke and coronary vascular eventsP M Rothwell
Oxford Stroke Prevention Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 10:21-33. 2000..Future studies should also determine the relationship between the various measures of carotid wall disease and the risk of stroke for the different subtypes of ischaemic stroke...
Critical appraisal of the design and reporting of studies of imaging and measurement of carotid stenosisP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 31:1444-50. 2000..We aimed to assess the design and methods of a random sample of published studies of imaging and measurement of carotid stenosis using 9 simple criteria...
Analysis of pooled data from the randomised controlled trials of endarterectomy for symptomatic carotid stenosisP M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet 361:107-16. 2003..To accurately assess the overall effect of surgery, and to increase power for secondary analyses, we pooled trial data and reassessed carotid angiograms...
Reanalysis of the final results of the European Carotid Surgery TrialP M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 34:514-23. 2003..This disparity has led to inconsistent clinical recommendations but may have been due to differences between the trials in the methods of measurement of carotid stenosis and definitions of outcome events...
Long-term effect of aspirin on colorectal cancer incidence and mortality: 20-year follow-up of five randomised trialsPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, UK
Lancet 376:1741-50. 2010..The long-term effectiveness of lower doses (75-300 mg daily) is unknown. We assessed the effects of aspirin on incidence and mortality due to colorectal cancer in relation to dose, duration of treatment, and site of tumour...
Cerebrovascular complications of therapeutic neck manipulation. The need for reliable data on risks and risk factorsP M Rothwell
Stroke Prevention Research Unit, Departrment of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
J Neurol 249:1105-6. 2002
Prognostic significance of visit-to-visit variability, maximum systolic blood pressure, and episodic hypertensionPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, John Radcliffe Hospital, Headington, Oxford, UK
Lancet 375:895-905. 2010..We aimed to reliably establish the prognostic significance of visit-to-visit variability in blood pressure, maximum blood pressure reached, untreated episodic hypertension, and residual variability in treated patients...
Limitations of the usual blood-pressure hypothesis and importance of variability, instability, and episodic hypertensionPeter M Rothwell
Stroke Prevention Research Unit, University Department of Clinical Neurology, John Radcliffe Hospital, Headington, Oxford, UK
Lancet 375:938-48. 2010....
For severe carotid stenosis found on ultrasound, further arterial evaluation prior to carotid endarterectomy is unnecessary: the argument againstPeter M Rothwell
Radcliffe Infirmary, Stroke Prevention Research Unit, Department of Clinical Neurology, Oxford OX2 6HE, UK
Stroke 34:1817-9; discussion 1819. 2003
Reproducibility of peer review in clinical neuroscience. Is agreement between reviewers any greater than would be expected by chance alone?P M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Brain 123:1964-9. 2000....
Clinical and angiographic predictors of stroke and death from carotid endarterectomy: systematic reviewP M Rothwell
Department of Clinical Neurosciences, Western General Hospital, Edinburgh
BMJ 315:1571-7. 1997..To identify risk factors for operative stroke and death from carotid endarterectomy...
Incidence, risk factors and prognosis of stroke and TIA: the need for high-quality, large-scale epidemiological studies and meta-analysesPeter M Rothwell
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
Cerebrovasc Dis 16:2-10. 2003..In many cases, this will require meta-analysis of detailed individual patient data from multiple independent studies...
High incidence and prevalence of multiple sclerosis in south east Scotland: evidence of a genetic predispositionP M Rothwell
Department of Clinical Neurosciences, Western General Hospital, Edinburgh, Scotland
J Neurol Neurosurg Psychiatry 64:730-5. 1998..To determine the incidence and prevalence of multiple sclerosis in the Lothian and Border Health Board Regions of south east Scotland...
Prediction of benefit from carotid endarterectomy in individual patients: a risk-modelling study. European Carotid Surgery Trialists' Collaborative GroupP M Rothwell
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet 353:2105-10. 1999..We investigated whether the efficacy of endarterectomy would be improved if patients with a high risk of stroke on medical treatment and a low risk of operative stroke or death could be identified...
Poor performance of current prognostic scores for early risk of recurrence after minor strokeArvind Chandratheva
Department of Clinical Neurology, University of Oxford, on behalf of the Oxford Vascular Study, Stroke Prevention Research Unit, Oxford University Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Stroke 42:632-7. 2011..The early risk of recurrence after minor stroke is as high but the only validated prognostic scores for use in minor stroke predict long-term risk of recurrence: the Essen Stroke Risk Score and the Stroke Prognosis Instrument II...
Potential consequences for recruitment, power, and external validity of requirements for additional risk factors for eligibility in randomized controlled trials in secondary prevention of strokeSally C Howard
Department of Clinical Neurology, University of Oxford, United Kingdom
Stroke 37:209-15. 2006....
Population-based study of determinants of initial secondary care costs of acute stroke in the United KingdomRamon Luengo-Fernandez
Health Economics Research Centre, University of Oxford, Oxford, UK
Stroke 37:2579-87. 2006..CONCLUSIONS: Several patient and event-related characteristics explained the wide range of initial secondary care costs of acute stroke, but stroke severity was by far the most important independent predictor...
Family history of stroke does not predict risk of stroke after transient ischemic attackEnrico Flossmann
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford OX2 6HE, United Kingdom
Stroke 37:544-6. 2006..76) or risk of MI during follow-up. There was no bias attributable to any relationship between FHxstroke and risk factor control or medication. CONCLUSIONS: Family history of stroke does not predict risk of ischemic stroke after TIA...
Family history of stroke in patients with transient ischemic attack in relation to hypertension and other intermediate phenotypesEnrico Flossmann
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 36:830-5. 2005..This should be taken into account in studies of the genetics of ischemic stroke...
Critical cap thickness and rupture in symptomatic carotid plaques: the oxford plaque studyJessica N Redgrave
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford, UK
Stroke 39:1722-9. 2008..While a cap thickness <65 microm is the accepted definition of rupture-prone plaque in the coronary circulation, the threshold value for carotid plaques is unknown...
Substantial observer variability in the differentiation between primary intracerebral hemorrhage and hemorrhagic transformation of infarction on CT brain imagingCaroline E Lovelock
Stroke Prevention Research Unit, Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Stroke 40:3763-7. 2009..Interobserver reliability in distinguishing hemorrhagic transformation of infarction from intracerebral hemorrhage may depend on delays to CT but has not been reported previously despite the clinical importance of this distinction...
Lack of reproducibility of assessment of aspirin responsiveness by optical aggregometry and two platelet function testsPaul Harrison
Oxford Haemophilia and Thrombosis Centre, Oxford, UK
Platelets 19:119-24. 2008..Lack of consistency over time in identification of apparently non-responsiveness individuals is likely to substantially undermine any ability of these tests to predict risk of recurrent vascular events...
Relative familial clustering of cerebral versus coronary ischemic eventsAmitava Banerjee
Stroke Prevention Research Unit, University of Oxford, United Kingdom
Circ Cardiovasc Genet 4:390-6. 2011..Differences in heritability of transient ischemic attack and ischemic stroke versus acute coronary syndromes (ACS) may inform risk prediction, genetic studies, and understanding of disease mechanisms...
The need for emergency treatment of transient ischemic attack and minor strokeMatthew F Giles
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford, OX2 6HE, UK
Expert Rev Neurother 5:203-10. 2005....
Asymptomatic carotid stenosis: what to doJessica N Redgrave
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, UK
Curr Opin Neurol 20:58-64. 2007..Patients with asymptomatic carotid stenosis are at increased vascular risk but optimal treatment is controversial. We reviewed the current evidence for medical and surgical intervention in these patients...
Clinical and radiographic risk factors for operative stroke and death in the European carotid surgery trialR Bond
Stroke Prevention Research Unit, University Department of Clinical Neurology, Oxford, UK
Eur J Vasc Endovasc Surg 23:108-16. 2002..Several baseline patient characteristics predict surgical risk and it may be possible to use these characteristics to aid patient selection and surgical audit...
Differences in vascular risk factors between etiological subtypes of ischemic stroke: importance of population-based studiesU G R Schulz
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford OX2 6HE UK
Stroke 34:2050-9. 2003..Meta-analysis of population-based studies suggests that vascular risk factors differ between stroke subtypes...
Reliability of clinical diagnosis of the symptomatic vascular territory in patients with recent transient ischemic attack or minor strokeEnrico Flossmann
FRCP, Stroke Prevention Research Unit, University Department of Clinical Neurology, Level 6, West Wing, The John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
Stroke 39:2457-60. 2008..However, there are few published data on the accuracy of clinical assessment of the vascular territory...
ABCD2 score predicts severity rather than risk of early recurrent events after transient ischemic attackArvind Chandratheva
Stroke Prevention Research Unit, Oxford University Department of Clinical Neurology, John Radcliffe Hospital, Oxford, England
Stroke 41:851-6. 2010..Do patients with high scores also have more severe early recurrent strokes, perhaps further justifying hospital admission? Do patients with low scores have a low early risk of recurrent TIA as well as recurrent stroke?..
Medium-term variability of blood pressure and potential underdiagnosis of hypertension in patients with previous transient ischemic attack or minor strokeRobert L Cuffe
Stroke Prevention Research Unit, Department of Clinical Neurology, University of Oxford, Oxford, England
Stroke 37:2776-83. 2006....
Early risk of recurrence by subtype of ischemic stroke in population-based incidence studiesJ K Lovett
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Neurology 62:569-73. 2004..CONCLUSIONS: The risk of early recurrent stroke is highest in patients with LAA. This supports the need for urgent carotid imaging and prompt endarterectomy...
Long-term durability of carotid endarterectomy for symptomatic stenosis and risk factors for late postoperative strokeE J Cunningham
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 33:2658-63. 2002..This is the standard against which alternative treatments should be judged. Several risk factors may be useful in identifying patients at particularly high risk of late postoperative stroke...
Variation in surgical and anaesthetic technique and associations with operative risk in the European carotid surgery trial: implications for trials of ancillary techniquesR Bond
Stroke Prevention Research Unit, University Department of Clinical Neurology, Oxford, UK
Eur J Vasc Endovasc Surg 23:117-26. 2002....
Very early risk of stroke after a first transient ischemic attackJ K Lovett
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Rd, Oxford OX2 6HE UK
Stroke 34:e138-40. 2003..Public education about the symptoms of TIA is needed so that medical attention is sought more urgently and stroke prevention strategies are implemented sooner...
Effect of nonoptimal imaging on the relationship between the measured degree of symptomatic carotid stenosis and risk of ischemic strokeR L Cuffe
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 37:1785-91. 2006..CONCLUSIONS: The dependence of the prognostic value of CAA on the type of angiography and the number of views of the stenosis obtained has implications for the future development and validation of noninvasive methods of carotid imaging...
Population-based study of delays in carotid imaging and surgery and the risk of recurrent strokeJ F Fairhead
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, OX2 6HE, UK
Neurology 65:371-5. 2005....
The SCAN rule: a clinical rule to reduce CT misdiagnosis of intracerebral haemorrhage in minor strokeC E Lovelock
University Department of Clinical Neurosciences, Stroke Prevention Research Unit, John Radcliffe Hospital, Oxford, UK
J Neurol Neurosurg Psychiatry 81:271-5. 2010..A clinical rule is needed to identify patients who are likely to have intracerebral haemorrhage (ICH) and require urgent brain imaging and patients who can safely start antiplatelet agents before scanning...
A systematic review of the associations between age and sex and the operative risks of carotid endarterectomyR Bond
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 20:69-77. 2005..Operative risk of stroke is increased in women and operative mortality is increased in patients aged > or =75 years...
Long term risks of stroke, myocardial infarction, and vascular death in "low risk" patients with a non-recent transient ischaemic attackT G Clark
Centre for Statistics in Medicine, University of Oxford, Oxford, UK
J Neurol Neurosurg Psychiatry 74:577-80. 2003..It is important therefore that preventive treatments are continued in the long term, even in apparently "low risk" patients who have already survived free of stroke for several years...
Screening for aspirin responsiveness after transient ischemic attack and stroke: comparison of 2 point-of-care platelet function tests with optical aggregometryPaul Harrison
Oxford Haemophilia Centre and Thrombosis Unit, Churchill Hospital, Oxford, UK
Stroke 36:1001-5. 2005..Aspirin nonresponsiveness is therefore highly test-specific and large prospective studies will be required to determine the prognostic value of each of the separate tests...
Change in incidence and aetiology of intracerebral haemorrhage in Oxfordshire, UK, between 1981 and 2006: a population-based studyC E Lovelock
Stroke Prevention Research Unit, Department of Neurology, University of Oxford, Oxford, UK
Lancet Neurol 6:487-93. 2007..Trends in the older population might differ, since cause varies with age. Our aim was to investigate changes in the population-based incidence of intracerebral haemorrhage according to age and likely aetiology...
Direct assessment of completeness of ascertainment in a stroke incidence studyA J Coull
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford, UK
Stroke 35:2041-5. 2004..However, direct assessment of ascertainment suggests that the supplementary methods used in recent studies can lead to near-complete ascertainment...
Presence of acute ischaemic lesions on diffusion-weighted imaging is associated with clinical predictors of early risk of stroke after transient ischaemic attackJ N Redgrave
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 24:86-90. 2007....
Regression dilution of systolic and diastolic blood pressure in patients with established cerebrovascular diseaseS C Howard
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
J Clin Epidemiol 56:1084-91. 2003..CONCLUSION: RDRs from population-based studies cannot necessarily be applied to cohorts with established vascular disease...
Vessel wall contrast enhancement: a diagnostic sign of cerebral vasculitisWilhelm Kuker
Department of Neuroradiology, University of Oxford, John Radcliffe Hospital, Oxford, UK
Cerebrovasc Dis 26:23-9. 2008..The purpose of this study was to establish the value of contrast-enhanced MRI, proven to be sensitive to extradural arteritis, for the identification of intracranial vessel wall inflammation...
Systematic review and pooled analysis of published and unpublished validations of the ABCD and ABCD2 transient ischemic attack risk scoresMatthew F Giles
Stroke Prevention Research Unit, NIHR Biomedical Research Centre, Oxford University Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Stroke 41:667-73. 2010..Independent validations have reported conflicting results. We therefore systematically reviewed published and unpublished data to determine predictive value and generalizability to different clinical settings and users...
Prevalence, incidence, and factors associated with pre-stroke and post-stroke dementia: a systematic review and meta-analysisSarah T Pendlebury
Stroke Prevention Research Unit, University Department of Clinical Neurology, John Radcliffe Hospital, Oxford, UK
Lancet Neurol 8:1006-18. 2009..We undertook this systematic review to assess the heterogeneity in the reported rates and to identify risk factors for pre-stroke and post-stroke dementia...
Transient ischaemic attack: clinical relevance, risk prediction and urgency of secondary preventionMatthew F Giles
Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK
Curr Opin Neurol 22:46-53. 2009..We have reviewed recent evidence on the burden of TIA and prediction and prevention of stroke in the acute phase...
Mapping the modified Rankin scale (mRS) measurement into the generic EuroQol (EQ-5D) health outcomeOliver Rivero-Arias
Health Economics Research Centre, Department of Public Health, University of Oxford, UK
Med Decis Making 30:341-54. 2010..This article constructs an algorithm to translate the modified Rankin scale (mRS) into EQ-5D utility values...
Influence of general practice opening hours on delay in seeking medical attention after transient ischaemic attack (TIA) and minor stroke: prospective population based studyDaniel S Lasserson
Department of Primary Health Care, University of Oxford, Headington, Oxford OX3 7LF
BMJ 337:a1569. 2008..To assess the influence of general practice opening hours on healthcare seeking behaviour after transient ischaemic attack (TIA) and minor stroke and feasibility of clinical assessment within 24 hours of symptom onset...
Site of carotid plaque ulceration in relation to direction of blood flow: an angiographic and pathological studyJoanna K Lovett
Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Cerebrovasc Dis 16:369-75. 2003..1, 95% CI = 2.8-13.6, p < 0.001). CONCLUSIONS: Ulceration of carotid plaques, visible on angiography or on pathological examination, is seen most often in the proximal (upstream) part where shear stress is highest...
Normal cortical energy metabolism in migrainous stroke: A 31P-MR spectroscopy studyUrsula G Schulz
Stroke Prevention Research Unit, University Department of Clinical Neurology, John Radcliffe Hospital, Oxford OX2 9DU, UK
Stroke 40:3740-4. 2009..We used (31)P-MRS to determine whether migrainous stroke shows similar interictal abnormalities in cortical energy metabolism as severe, prolonged aura...
Routine or selective carotid artery shunting for carotid endarterectomy (and different methods of monitoring in selective shunting)Richard Bond
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 34:824-5. 2003
Risk of stroke early after transient ischaemic attack: a systematic review and meta-analysisMatthew F Giles
Stroke Prevention Research Unit, Oxford University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Lancet Neurol 6:1063-72. 2007..However, reliable estimation of this risk is necessary for planning effective service provision, clinical trials, and public education. We therefore did a systematic review of all studies of stroke risk early after TIA...
Systematic review of associations between the presence of acute ischemic lesions on diffusion-weighted imaging and clinical predictors of early stroke risk after transient ischemic attackJessica N E Redgrave
Stroke Prevention Research Unit, Department of Clinical Neurology, Radcliffe Infirmary, Oxford, UK
Stroke 38:1482-8. 2007....
Prediction and prevention of stroke after transient ischemic attack in the short and long termMatthew F Giles
University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, OX2 6HE, UK
Expert Rev Neurother 6:381-95. 2006..Recent data on the long-term (10 years and beyond) vascular risk after TIA demonstrate ongoing mortality from both cerebrovascular and cardiovascular causes, highlighting the need for continued secondary prevention...
Blood pressure variability and risk of new-onset atrial fibrillation: a systematic review of randomized trials of antihypertensive drugsAlastair J S Webb
Stroke Prevention Research Unit, Department of Clinical Neurology, John Radcliffe Hospital, Oxford OX39DU, UK
Stroke 41:2091-3. 2010..Increased visit-to-visit variability in blood pressure (BP) is a powerful risk factor for stroke, but the mechanism is uncertain. We hypothesized that BP variability might affect the risk of new atrial fibrillation (AF)...
Addition of brain infarction to the ABCD2 Score (ABCD2I): a collaborative analysis of unpublished data on 4574 patientsMatthew F Giles
Stroke Prevention Research Unit M F G, P M R, National Institute for Health Research Biomedical Research Centre, Oxford, UK
Stroke 41:1907-13. 2010..We therefore performed an international, multicenter collaborative study of the prognostic performance of the ABCD(2) score and brain infarction on imaging to determine the optimal weighting of infarction in the score (ABCD(2)I)...
Antithrombotic drug use, cerebral microbleeds, and intracerebral hemorrhage: a systematic review of published and unpublished studiesCaroline E Lovelock
Stroke Prevention Research Unit, University Department of Clinical Neurology, Level 6, West Wing, John Radcliffe Hospital, Headley Way, Oxford OX3 9DU
Stroke 41:1222-8. 2010..Insights could be gained by pooling data on MB frequency stratified by antithrombotic use in cohorts with ICH and ischemic stroke (IS)/transient ischemic attack (TIA)...
Costs of stroke using patient-level data: a critical review of the literatureRamon Luengo-Fernandez
Department of Public Health, Health Economics Research Centre, University of Oxford, Oxford, USA
Stroke 40:e18-23. 2009..This study reports the results from a literature review of the costs of cerebrovascular diseases, and assesses the quality of the published evidence against a set of defined criteria...
