Skip to main content

Research Repository

Advanced Search

All Outputs (46)

Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial (2022)
Journal Article
Tunnage, B., Woodhouse, L. J., Dixon, M., Anderson, C. S., Ankolekar, S., Appleton, J. P., …Bath, P. M. (2022). Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial. BMC Emergency Medicine, 22(1), Article 2. https://doi.org/10.1186/s12873-021-00560-x

Background: Prehospital stroke trials will inevitably recruit patients with non-stroke conditions, so called stroke mimics. We undertook a pre-specified analysis to determine outcomes in patients with mimics in the second Rapid Intervention with Glyc... Read More about Pre-hospital transdermal glyceryl trinitrate in patients with stroke mimics: data from the RIGHT-2 randomised-controlled ambulance trial.

Statistical reanalysis of vascular event outcomes in primary and secondary vascular prevention trials (2021)
Journal Article
Woodhouse, L. J., Montgomery, A. A., Mant, J., Davis, B. R., Algra, A., Mas, J.-L., …Bath, P. M. (2021). Statistical reanalysis of vascular event outcomes in primary and secondary vascular prevention trials. BMC Medical Research Methodology, 21, Article 218. https://doi.org/10.1186/s12874-021-01388-6

Background: Vascular prevention trials typically use dichotomous event outcomes although this may be inefficient statistically and gives no indication of event severity. We assessed whether ordinal outcomes would be more efficient and how to best ana... Read More about Statistical reanalysis of vascular event outcomes in primary and secondary vascular prevention trials.

Corrigendum: Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis (2020)
Journal Article
Appleton, J. P., Woodhouse, L. J., Sprigg, N., Wardlaw, J. M., & Bath, P. M. (2020). Corrigendum: Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis. Frontiers in Neurology, 11, Article 625572. https://doi.org/10.3389/fneur.2020.625572

Joanna M. Wardlaw was not included as an author in the published article. The corrected Author Contributions and Funding statements appear below. AUTHOR CONTRIBUTIONS JA performed the literature search, pooled analyses, statistical analysis and inter... Read More about Corrigendum: Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis.

Relationship between nitrate headache and outcome in patients with acute stroke: results from the efficacy of nitric oxide in stroke (ENOS) trial (2020)
Journal Article
Beishon, L., Woodhouse, L. J., Bereczki, D., Christensen, H. K., Collins, R., Gommans, J., …Bath, P. M. (2021). Relationship between nitrate headache and outcome in patients with acute stroke: results from the efficacy of nitric oxide in stroke (ENOS) trial. Stroke and Vascular Neurology, 6(2), 180-186. https://doi.org/10.1136/svn-2020-000498

Introduction Nitrate-induced headache is common and may signify responsive cerebral vasculature. We assessed the relationship between nitrate headache and outcome in patients with acute stroke. Materials and methods Patients were those randomised to... Read More about Relationship between nitrate headache and outcome in patients with acute stroke: results from the efficacy of nitric oxide in stroke (ENOS) trial.

Pharyngeal electrical stimulation for neurogenic dysphagia following stroke, traumatic brain injury or other causes: Main results from the PHADER cohort study (2020)
Journal Article
Bath, P. M., Woodhouse, L. J., Suntrup-Krueger, S., Likar, R., Koestenberger, M., Warusevitane, A., …Dziewas, R. (2020). Pharyngeal electrical stimulation for neurogenic dysphagia following stroke, traumatic brain injury or other causes: Main results from the PHADER cohort study. eClinicalMedicine, 28, Article 100608. https://doi.org/10.1016/j.eclinm.2020.100608

Background: Neurogenic dysphagia is common and has no definitive treatment. We assessed whether pharyngeal electrical stimulation (PES) is associated with reduced dysphagia. Methods: The PHAryngeal electrical stimulation for treatment of neurogenic D... Read More about Pharyngeal electrical stimulation for neurogenic dysphagia following stroke, traumatic brain injury or other causes: Main results from the PHADER cohort study.

Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis (2020)
Journal Article
Appleton, J. P., Woodhouse, L. J., Sprigg, N., Wardlaw, J. M., & Bath, P. M. (2020). Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis. Frontiers in Neurology, 11, Article 584038. https://doi.org/10.3389/fneur.2020.584038

Background: Thrombolysis, with or without thrombectomy, for acute ischaemic stroke is associated with an increased risk of intracranial bleeding. We assessed whether treatment with glyceryl trinitrate (GTN), a nitric oxide donor, may influence the as... Read More about Intracranial Bleeding After Reperfusion Therapy in Acute Ischaemic Stroke Patients Randomized to Glyceryl Trinitrate vs. Control: An Individual Patient Data Meta-Analysis.

Rates, risks and routes to reduce vascular dementia (R4vad), a UK-wide multicentre prospective observational cohort study of cognition after stroke: Protocol (2020)
Journal Article
Wardlaw, J. M., Doubal, F., Brown, R., Backhouse, E., Woodhouse, L., Bath, P., …R4VaD Investigators. (2021). Rates, risks and routes to reduce vascular dementia (R4vad), a UK-wide multicentre prospective observational cohort study of cognition after stroke: Protocol. European Stroke Journal, 6(1), 89-101. https://doi.org/10.1177/2396987320953312

Background: Stroke commonly affects cognition and, by definition, much vascular dementia follows stroke. However, there are fundamental limitations in our understanding of vascular cognitive impairment, restricting understanding of prevalence, trajec... Read More about Rates, risks and routes to reduce vascular dementia (R4vad), a UK-wide multicentre prospective observational cohort study of cognition after stroke: Protocol.

Data sharing: experience of accessing individual patient data from completed randomised controlled trials in vascular and cognitive medicine (2020)
Journal Article
Scutt, P., Woodhouse, L. J., Montgomery, A. A., & Bath, P. M. .. (2020). Data sharing: experience of accessing individual patient data from completed randomised controlled trials in vascular and cognitive medicine. BMJ Open, 10(9), Article e038765. https://doi.org/10.1136/bmjopen-2020-038765

Objectives
Meta-analysis based on individual patient data (IPD) from randomised trials is superior to using published summary data since it facilitates subgroup and multiple variable analyses. Guidelines and funders expect that researchers share IPD... Read More about Data sharing: experience of accessing individual patient data from completed randomised controlled trials in vascular and cognitive medicine.

Protocol: The Lacunar Intervention Trial 2 (LACI-2). A trial of two repurposed licenced drugs to prevent progression of cerebral small vessel disease (2020)
Journal Article
Wardlaw, J., Bath, P. M., Doubal, F., Heye, A., Sprigg, N., Woodhouse, L. J., …The LACI-2 Trial Investigators. (2020). Protocol: The Lacunar Intervention Trial 2 (LACI-2). A trial of two repurposed licenced drugs to prevent progression of cerebral small vessel disease. European Stroke Journal, 5(3), 297-308. https://doi.org/10.1177/2396987320920110

Background
Small vessel disease causes a quarter of ischaemic strokes (lacunar subtype), up to 45% of dementia either as vascular or mixed types, cognitive impairment and physical frailty. However, there is no specific treatment to prevent progressi... Read More about Protocol: The Lacunar Intervention Trial 2 (LACI-2). A trial of two repurposed licenced drugs to prevent progression of cerebral small vessel disease.

Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage (2019)
Journal Article
Bath, P. M., Woodhouse, L. J., Krishnan, K., Appleton, J. P., Anderson, C. S., Berge, E., …Sprigg, N. (2019). Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage. Stroke, 50(11), 3064-3071. https://doi.org/10.1161/STROKEAHA.119.026389

Background and Purpose—
Pilot trials suggest that glyceryl trinitrate (GTN; nitroglycerin) may improve outcome when administered early after stroke onset.

Methods—
We undertook a multicentre, paramedic-delivered, ambulance-based, prospective ran... Read More about Prehospital Transdermal Glyceryl Trinitrate for Ultra-Acute Intracerebral Hemorrhage.

Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial (2019)
Journal Article
Bath, P. M., Scutt, P., Anderson, C. S., Appleton, J. P., Berge, E., Cala, L., …Mir, R. (2019). Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial. Lancet, 393(10175), 1009-1020. https://doi.org/10.1016/S0140-6736%2819%2930194-1

© 2019 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license Background: High blood pressure is common in acute stroke and is a predictor of poor outcome; however, large trials of lowering blood pressure... Read More about Prehospital transdermal glyceryl trinitrate in patients with ultra-acute presumed stroke (RIGHT-2): an ambulance-based, randomised, sham-controlled, blinded, phase 3 trial.

Impact of ultra/hyper-acute administration of glyceryl trinitrate on secondary outcome after acute stroke: a meta-analysis of individual patient data from randomised trials (2018)
Presentation / Conference Contribution
Bath, P. M., Woodhouse, L. J., & Sprigg, N. (2018). Impact of ultra/hyper-acute administration of glyceryl trinitrate on secondary outcome after acute stroke: a meta-analysis of individual patient data from randomised trials.

Background Glyceryl trinitrate (GTN) is a candidate reperfusion and hypotensive treatment for hyperacute stroke. We assessed the effect of early administration of GTN (within 6 hours) on secondary outcomes (taken at 3 months post randomisation), acro... Read More about Impact of ultra/hyper-acute administration of glyceryl trinitrate on secondary outcome after acute stroke: a meta-analysis of individual patient data from randomised trials.

Baseline predictors of on-treatment platelet activity (as P-selectin expression) in patients in the triple aniplatelets for reducing dependency in ischaemic stroke (TARDIS) trial (2018)
Presentation / Conference Contribution
Bath, P. M., Woodhouse, L. J., Dovlatova, N., May, J., & Heptinstall, S. (2018). Baseline predictors of on-treatment platelet activity (as P-selectin expression) in patients in the triple aniplatelets for reducing dependency in ischaemic stroke (TARDIS) trial.

Background: Platelet activity may be measured remotely as surface P-selectin expression. Predictors of on-treatment P-selectin expression were assessed using baseline characteristics in the TARDIS trial.
Methods: TARDIS assessed intensive (combined... Read More about Baseline predictors of on-treatment platelet activity (as P-selectin expression) in patients in the triple aniplatelets for reducing dependency in ischaemic stroke (TARDIS) trial.

Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT (2018)
Journal Article
Bath, P. M., Woodhouse, L. J., Appleton, J. P., Beridze, M., Christensen, H., Dineen, R. A., …Sprigg, N. (2018). Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT. Health Technology Assessment, 22(48), 1-75. https://doi.org/10.3310/hta22480

© Queen’s Printer and Controller of HMSO 2018. Background: Two antiplatelet agents are better than one for preventing recurrent stroke after acute ischaemic stroke or transient ischaemic attack (TIA). Therefore, intensive treatment with three agents... Read More about Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT.

Characteristics and outcomes of patients with or without a bleeding event: results from the triple antiplatelets for reducing dependency in ischaemic stroke (TARDIS) trial (2018)
Presentation / Conference Contribution
Woodhouse, L. J., Flaherty, K., Appleton, J. P., Sprigg, N., & Bath, P. M. Characteristics and outcomes of patients with or without a bleeding event: results from the triple antiplatelets for reducing dependency in ischaemic stroke (TARDIS) trial. Presented at 4th European Stroke Organisation Conference ​(ESOC 2018)

Background: Several studies showed that hyperglycaemia is associated with poorer prognosis in intracerebral haemorrhage. We explored the characteristics and outcomes of patients with hyperglycaemia in the Tranexamic acid in IntraCerebral Haemorrhage-... Read More about Characteristics and outcomes of patients with or without a bleeding event: results from the triple antiplatelets for reducing dependency in ischaemic stroke (TARDIS) trial.

The effect of transdermal glyceryl trinitrate in acute stroke patients with carotid stenosis: data from the Efficacy of Nitric Oxide in Stroke trial (2018)
Presentation / Conference Contribution
Appleton, J., Woodhouse, L., Law, Z., Sprigg, N., & Bath, P. The effect of transdermal glyceryl trinitrate in acute stroke patients with carotid stenosis: data from the Efficacy of Nitric Oxide in Stroke trial. Presented at 4th European Stroke Organisation Conference ​(ESOC 2018)

Background: There is concern that blood pressure lowering in acute stroke may compromise cerebral perfusion and worsen outcome in the context of carotid stenosis. The effect of glyceryl trinitrate (GTN) on outcome in acute stroke patients with caroti... Read More about The effect of transdermal glyceryl trinitrate in acute stroke patients with carotid stenosis: data from the Efficacy of Nitric Oxide in Stroke trial.

Impact of atrial fibrillation diagnosis or carotid enderterectomy requirement on outcome in patients from the triple antiplatelets for reducing dependency after ischaemic stroke (TARDIS) trial (2018)
Presentation / Conference Contribution
Woodhouse, L. J., Appleton, J. P., Flaherty, K., Dineen, R. A., Sprigg, N., & Bath, P. M. (2018). Impact of atrial fibrillation diagnosis or carotid enderterectomy requirement on outcome in patients from the triple antiplatelets for reducing dependency after ischaemic stroke (TARDIS) trial.

Protocol for a prospective collaborative systematic review and meta-analysis of individual patient data from randomised controlled trials of vasoactive drugs in acute stroke: the Blood pressure in Acute Stroke Collaboration, stage-3 (BASC-3) (2018)
Journal Article
Sandset, E. C., Sanossian, N., Woodhouse, L. J., Anderson, C., Berge, E., Lees, K. R., Potter, J. F., Robinson, T. G., Sprigg, N., Wardlow, J. M., & Bath, P. M. (2018). Protocol for a prospective collaborative systematic review and meta-analysis of individual patient data from randomised controlled trials of vasoactive drugs in acute stroke: the Blood pressure in Acute Stroke Collaboration, stage-3 (BASC-3). International Journal of Stroke, 13(7), 759-765. https://doi.org/10.1177/1747493018772733

Rationale
Despite several large clinical trials assessing blood pressure lowering in acute stroke, equipoise remains, particularly for ischaemic stroke. The ‘Blood pressure in Acute Stroke Collaboration’ (BASC) commenced in the mid 1990s focusing on... Read More about Protocol for a prospective collaborative systematic review and meta-analysis of individual patient data from randomised controlled trials of vasoactive drugs in acute stroke: the Blood pressure in Acute Stroke Collaboration, stage-3 (BASC-3).