Research Topics
| Niaz AhmedSummaryAffiliation: Karolinska University Hospital Country: Sweden Publications
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Detail Information
Publications
Relationship of blood pressure, antihypertensive therapy, and outcome in ischemic stroke treated with intravenous thrombolysis: retrospective analysis from Safe Implementation of Thrombolysis in Stroke-International Stroke Thrombolysis Register (SITS-ISTRNiaz Ahmed
SITS International Coordination Office, Karolinska Stroke Research, Department of Neurology, Karolinska University Hospital Solna, Stockholm, Sweden
Stroke 40:2442-9. 2009..We determined retrospectively the association of BP and antihypertensive therapy with clinical outcomes after stroke thrombolysis...- Association of admission blood glucose and outcome in patients treated with intravenous thrombolysis: results from the Safe Implementation of Treatments in Stroke International Stroke Thrombolysis Register (SITS-ISTR)Niaz Ahmed
Karolinska Stroke Research Unit, Department of Neurology, Karolinska University Hospital Solna, Stockholm, Sweden
Arch Neurol 67:1123-30. 2010..To determine the association between admission blood glucose and outcome in ischemic stroke patients treated with thrombolysis... - Predicting the risk of symptomatic intracerebral hemorrhage in ischemic stroke treated with intravenous alteplase: safe Implementation of Treatments in Stroke (SITS) symptomatic intracerebral hemorrhage risk scoreMichael Mazya
Department of Neurology, Karolinska University Hospital Solna, Karolinska Stroke Research, Stockholm, Sweden
Stroke 43:1524-31. 2012..Symptomatic intracerebral hemorrhage (SICH) is a serious complication in patients with acute ischemic stroke treated with intravenous thrombolysis. We aimed to develop a clinical score that can easily be applied to predict the risk of SICH... - Multivariable analysis of outcome predictors and adjustment of main outcome results to baseline data profile in randomized controlled trials: Safe Implementation of Thrombolysis in Stroke-MOnitoring STudy (SITS-MOST)Nils Wahlgren
Department of Neurology, Karolinska University Hospital Solna, Karolinska Institutet, Stockholm, Sweden
Stroke 39:3316-22. 2008..We aimed to identify outcome predictors and adjust the outcomes of the SITS-MOST to the baseline characteristics of RCTs... - Implementation and outcome of thrombolysis with alteplase 3-4.5 h after an acute stroke: an updated analysis from SITS-ISTRNiaz Ahmed
Department of Neurology, Karolinska University Hospital, and Department of Clinical Neurosciences, Karolinska Institutet, Stockholm, Sweden
Lancet Neurol 9:866-74. 2010..5 h after stroke onset. We aimed to assess the implementation of the wider time window, its effect on the admission-to-treatment time, and safety and functional outcome in patients recorded in SITS-ISTR... - Thrombolysis with alteplase 3-4.5 h after acute ischaemic stroke (SITS-ISTR): an observational studyNils Wahlgren
Department of Clinical Neurosciences, Karolinska Institutet, Stockholm, Sweden
Lancet 372:1303-9. 2008..5 h versus those treated within 3 h, who were recorded in the in the Safe Implementation of Treatments in Stroke (SITS), a prospective internet-based audit of the International Stroke Thrombolysis Registry (ISTR)... 
Thrombolysis with alteplase for acute ischaemic stroke in the Safe Implementation of Thrombolysis in Stroke-Monitoring Study (SITS-MOST): an observational studyNils Wahlgren
Department of Neurology, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
Lancet 369:275-82. 2007..Under European Union regulations, SITS-MOST was required to assess the safety profile of alteplase in clinical practice by comparison with results in randomised controlled trials...- Hyperdense middle cerebral artery sign on admission CT scan--prognostic significance for ischaemic stroke patients treated with intravenous thrombolysis in the safe implementation of thrombolysis in Stroke International Stroke Thrombolysis RegisterTatiana Kharitonova
Department of Neurology, Karolinska Stroke Research Unit, SITS International Coordination Office, Karolinska University Hospital Solna, Stockholm, Sweden
Cerebrovasc Dis 27:51-9. 2009..Hyperdense middle cerebral artery sign (HMCAS) on CT scan before stroke thrombolysis is associated with increased risk for haemorrhage and unfavourable outcome in several small studies... - Salivary cortisol, a biological marker of stress, is positively associated with 24-hour systolic blood pressure in patients with acute ischaemic strokeNiaz Ahmed
Stroke Research Unit, Department of Neurology, Karolinska University Hospital, Stockholm, Sweden
Cerebrovasc Dis 18:206-13. 2004..The cause of elevated blood pressure (BP) in acute stroke is unknown. Stress is often suggested as a main contributing factor. We aimed to investigate the relationship between BP and stress in patients with acute stroke... - Association of early National Institutes of Health Stroke Scale improvement with vessel recanalization and functional outcome after intravenous thrombolysis in ischemic strokeTatiana Kharitonova
Karolinska Stroke Research Unit, Department of Neurology, Karolinska University Hospital, Sweden
Stroke 42:1638-43. 2011.... - Is the maximum dose of 90 mg alteplase sufficient for patients with ischemic stroke weighing >100 kg?Jennifer Diedler
Department of Neurology, University of Heidelberg, Heidelberg, Germany
Stroke 42:1615-20. 2011..We investigated if the lower per-kilogram dose is associated with poor early neurological improvement and worse outcome after thrombolysis... - Neuroprotection in cerebral ischaemia: facts and fancies--the need for new approachesNils Gunnar Wahlgren
Stroke Research Unit, Department of Neurology, Karolinska Hospital, Stockholm, Sweden
Cerebrovasc Dis 17:153-66. 2004..Trials should use randomization techniques, which reduce imbalances of prognostically important baseline variables, and the estimated sample size of a trial should be based on expectations of a modest clinical effect... - Effects of blood pressure lowering in the acute phase of total anterior circulation infarcts and other stroke subtypesNiaz Ahmed
Stroke Research Unit, Department of Neurology, Karolinska Hospital, Stockholm, Sweden
Cerebrovasc Dis 15:235-43. 2003..To investigate whether heterogeneity exists between stroke subtypes in the response to BP lowering, we analysed data from the Intravenous Nimodipine West European Stroke Trial (INWEST)... - Safety of intravenous thrombolysis for acute ischemic stroke in patients receiving antiplatelet therapy at stroke onsetJennifer Diedler
Department of Neurology, University of Heidelberg, Heidelberg, Germany
Stroke 41:288-94. 2010..Antiplatelets (APs) may increase the risk of symptomatic intracerebral hemorrhage (ICH) following intravenous thrombolysis after ischemic stroke...