All Outputs (195)

Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning (2022)
Journal Article
Kok, Y. E., Pszczolkowski, S., Law, Z. K., Ali, A., Krishnan, K., Bath, P., …French, A. P. (2022). Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning. Radiology: Artificial Intelligence, 4(6), https://doi.org/10.1148/ryai.220096

This study evaluated deep learning algorithms for semantic segmentation and quantification of intracerebral hemorrhage (ICH), perihematomal edema (PHE), and intraventricular hemorrhage (IVH) on noncontrast CT scans of patients with spontaneous ICH. M... Read More about Semantic Segmentation of Spontaneous Intracerebral Hemorrhage, Intraventricular Hemorrhage, and Associated Edema on CT Images Using Deep Learning.

External validation of e-ASPECTS software for interpreting brain CT in stroke (2022)
Journal Article
Mair, G., White, P., Bath, P. M., Muir, K. W., Salman, R. A.-S., Martin, C., …Wardlaw, J. M. (2022). External validation of e-ASPECTS software for interpreting brain CT in stroke. Annals of Neurology, 92(6), 943-957. https://doi.org/10.1002/ana.26495

Objective To test e-ASPECTS software in patients with stroke. Marketed as a decision-support tool, e-ASPECTS may detect features of ischemia or hemorrhage on computed tomography (CT) imaging and quantify ischemic extent using ASPECTS (Alberta Strok... Read More about External validation of e-ASPECTS software for interpreting brain CT in stroke.

Cilostazol and isosorbide mononitrate for the prevention of progression of cerebral small vessel disease: baseline data and statistical analysis plan for the Lacunar Intervention Trial-2 (LACI-2) (ISRCTN14911850) (2022)
Journal Article
Bath, P. M., Mhlanga, I., Woodhouse, L. J., Doubal, F., Oatey, K., Montgomery, A. A., … LACI-2 Trial Investigators. (2023). Cilostazol and isosorbide mononitrate for the prevention of progression of cerebral small vessel disease: baseline data and statistical analysis plan for the Lacunar Intervention Trial-2 (LACI-2) (ISRCTN14911850). Stroke and Vascular Neurology, 8, Article e001816. https://doi.org/10.1136/svn-2022-001816

Background: Cerebral small vessel disease (SVD) causes lacunar strokes (25% of all ischaemic strokes), physical frailty and cognitive impairment and vascular and mixed dementia. There is no specific treatment to prevent progression of SVD. Methods: T... Read More about Cilostazol and isosorbide mononitrate for the prevention of progression of cerebral small vessel disease: baseline data and statistical analysis plan for the Lacunar Intervention Trial-2 (LACI-2) (ISRCTN14911850).

Development of a core outcome set for the evaluation of interventions to prevent COVID-19 in care homes (COS-COVID-PCARE Study) (2022)
Journal Article
Shepherd, V., Islam, I., Wood, F., Williamson, P. R., Goodman, C., Bath, P. M., …Hood, K. (2022). Development of a core outcome set for the evaluation of interventions to prevent COVID-19 in care homes (COS-COVID-PCARE Study). BMC Geriatrics, 22(1), Article 710. https://doi.org/10.1186/s12877-022-03395-8

Background: People living in care homes have experienced devastating impact from COVID-19. As interventions to prevent the transmission of COVID-19 are developed and evaluated, there is an urgent need for researchers to agree on the outcomes used whe... Read More about Development of a core outcome set for the evaluation of interventions to prevent COVID-19 in care homes (COS-COVID-PCARE Study).

Cerebral Amyloid Angiopathy and the Risk of Hematoma Expansion (2022)
Journal Article
Seiffge, D. J., Polymeris, A. A., Law, Z. K., Krishnan, K., Zietz, A., Thilemann, S., …Peters, N. (2022). Cerebral Amyloid Angiopathy and the Risk of Hematoma Expansion. Annals of Neurology, 92(6), 921-930. https://doi.org/10.1002/ana.26481

Objective: We assessed whether hematoma expansion (HE) and favorable outcome differ according to type of intracerebral hemorrhage (ICH). Methods: Among participants with ICH enrolled in the TICH-2 (Tranexamic Acid for Hyperacute Primary Intracerebral... Read More about Cerebral Amyloid Angiopathy and the Risk of Hematoma Expansion.

Framework for Clinical Trials in Cerebral Small Vessel Disease (FINESSE): A Review (2022)
Journal Article
Markus, H. S., Van Der Flier, W. M., Smith, E. E., Bath, P., Biessels, G. J., Briceno, E., …Dichgans, M. (2022). Framework for Clinical Trials in Cerebral Small Vessel Disease (FINESSE): A Review. JAMA Neurology, https://doi.org/10.1001/jamaneurol.2022.2262

Importance: Cerebral small vessel disease (SVD) causes a quarter of strokes and is the most common pathology underlying vascular cognitive impairment and dementia. An important step to developing new treatments is better trial methodology. Disease me... Read More about Framework for Clinical Trials in Cerebral Small Vessel Disease (FINESSE): A Review.

The role of CYP2C19 genotyping to guide antiplatelet therapy following ischemic stroke or transient ischemic attack (2022)
Journal Article
McDermott, J. H., Leach, M., Sen, D., Smith, C. J., Newman, W. G., & Bath, P. M. (2022). The role of CYP2C19 genotyping to guide antiplatelet therapy following ischemic stroke or transient ischemic attack. Expert Review of Clinical Pharmacology, 15, 811-825. https://doi.org/10.1080/17512433.2022.2108401

Introduction: Clopidogrel is an antiplatelet agent recommended for secondary prevention of ischemic stroke (IS) and transient ischemic attack (TIA). Conversion of clopidogrel to its active metabolite by hepatic cytochrome P450-2C19 (CYP2C19) is essen... Read More about The role of CYP2C19 genotyping to guide antiplatelet therapy following ischemic stroke or transient ischemic attack.

Time Course for Benefit and Risk with Ticagrelor and Aspirin in Individuals with Acute Ischemic Stroke or Transient Ischemic Attack Who Carry CYP2C19 Loss-of-Function Alleles: A Secondary Analysis of the CHANCE-2 Randomized Clinical Trial (2022)
Journal Article
Pan, Y., Meng, X., Jin, A., Johnston, S. C., Li, H., Bath, P. M., …Wang, Y. (2022). Time Course for Benefit and Risk with Ticagrelor and Aspirin in Individuals with Acute Ischemic Stroke or Transient Ischemic Attack Who Carry CYP2C19 Loss-of-Function Alleles: A Secondary Analysis of the CHANCE-2 Randomized Clinical Trial. JAMA Neurology, https://doi.org/10.1001/jamaneurol.2022.1457

Importance: Dual antiplatelet therapy (DAPT) with ticagrelor and aspirin has been found to be effective for secondary prevention after minor ischemic stroke or transient ischemic attack (TIA) in individuals who carry CYP2C19 loss-of-function (LOF) al... Read More about Time Course for Benefit and Risk with Ticagrelor and Aspirin in Individuals with Acute Ischemic Stroke or Transient Ischemic Attack Who Carry CYP2C19 Loss-of-Function Alleles: A Secondary Analysis of the CHANCE-2 Randomized Clinical Trial.

Association Between Use of a Flying Intervention Team vs Patient Interhospital Transfer and Time to Endovascular Thrombectomy Among Patients With Acute Ischemic Stroke in Nonurban Germany (2022)
Journal Article
Hubert, G. J., Hubert, N. D., Maegerlein, C., Kraus, F., Wiestler, H., Müller-Barna, P., …Haberl, R. L. (2022). Association Between Use of a Flying Intervention Team vs Patient Interhospital Transfer and Time to Endovascular Thrombectomy Among Patients With Acute Ischemic Stroke in Nonurban Germany. Journal of the American Medical Association, 327(18), 1795-1805. https://doi.org/10.1001/jama.2022.5948

Importance: The benefit of endovascular thrombectomy (EVT) for acute ischemic stroke is highly time-dependent, and it is challenging to expedite treatment for patients in remote areas. Objective: To determine whether deployment of a flying interventi... Read More about Association Between Use of a Flying Intervention Team vs Patient Interhospital Transfer and Time to Endovascular Thrombectomy Among Patients With Acute Ischemic Stroke in Nonurban Germany.

Perfusion Imaging for Endovascular Thrombectomy in Acute Ischemic Stroke Is Associated With Improved Functional Outcomes in the Early and Late Time Windows (2022)
Journal Article
Dhillon, P. S., Butt, W., Podlasek, A., McConachie, N., Lenthall, R., Nair, S., …England, T. J. (2022). Perfusion Imaging for Endovascular Thrombectomy in Acute Ischemic Stroke Is Associated With Improved Functional Outcomes in the Early and Late Time Windows. Stroke, 53(9), 2770–2778. https://doi.org/10.1161/STROKEAHA.121.038010

Background: The impact on clinical outcomes of patient selection using perfusion imaging for endovascular thrombectomy (EVT) in patients with acute ischemic stroke presenting beyond 6 hours from onset remains undetermined in routine clinical practice... Read More about Perfusion Imaging for Endovascular Thrombectomy in Acute Ischemic Stroke Is Associated With Improved Functional Outcomes in the Early and Late Time Windows.

Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial (2022)
Journal Article
Pszczolkowski, S., Sprigg, N., Woodhouse, L. J., Gallagher, R., Swienton, D., Law, Z. K., …Dineen, R. A. (2022). Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial. JAMA Neurology, 79(5), 468-477. https://doi.org/10.1001/jamaneurol.2022.0217

Importance: Hyperintense foci on diffusion-weighted imaging (DWI) that are spatially remote from the acute hematoma occur in 20% of people with acute spontaneous intracerebral hemorrhage (ICH). Tranexamic acid, a hemostatic agent that is under invest... Read More about Effect of Tranexamic Acid Administration on Remote Cerebral Ischemic Lesions in Acute Spontaneous Intracerebral Hemorrhage: A Substudy of a Randomized Clinical Trial.

The COVID-19 pandemic has highlighted the need to invest in care home research infrastructure (2022)
Journal Article
Gordon, A. L., Rick, C., Juszczak, E., Montgomery, A., Howard, R., Guthrie, B., …Tate, V. (2022). The COVID-19 pandemic has highlighted the need to invest in care home research infrastructure. Age and Ageing, 51(3), Article afac052. https://doi.org/10.1093/ageing/afac052

The COVID-19 pandemic resulted in catastrophic levels of morbidity and mortality for care home residents. Despite this, research platforms for COVID-19 in care homes arrived late in the pandemic compared with other care settings. The Prophylactic The... Read More about The COVID-19 pandemic has highlighted the need to invest in care home research infrastructure.

Ticagrelor versus Clopidogrel in CYP2C19 Loss-of-Function Carriers with Stroke or TIA (2021)
Journal Article
Wang, Y., Meng, X., Wang, A., Xie, X., Pan, Y., Johnston, S. C., …CHANCE-2 Investigators. (2021). Ticagrelor versus Clopidogrel in CYP2C19 Loss-of-Function Carriers with Stroke or TIA. New England Journal of Medicine, 385(27), 2520-2530. https://doi.org/10.1056/NEJMoa2111749

BACKGROUND Comparisons between ticagrelor and clopidogrel for the secondary prevention of stroke in CYP2C19 loss-of-function carriers have not been extensively performed. METHODS We conducted a randomized, double-blind, placebo-controlled trial at 20... Read More about Ticagrelor versus Clopidogrel in CYP2C19 Loss-of-Function Carriers with Stroke or TIA.

Primary stroke prevention worldwide: translating evidence into action (2021)
Journal Article
Owolabi, M. O., Thrift, A. G., Mahal, A., Ishida, M., Martins, S., Johnson, W. D., …Imran Musa, K. (2022). Primary stroke prevention worldwide: translating evidence into action. Lancet Public Health, 7(1), e74-e85. https://doi.org/10.1016/s2468-2667%2821%2900230-9

Stroke is the second leading cause of death and the third leading cause of disability worldwide and its burden is increasing rapidly in low-income and middle-income countries, many of which are unable to face the challenges it imposes. In this Health... Read More about Primary stroke prevention worldwide: translating evidence into action.

Associations of Early Systolic Blood Pressure Control and Outcome after Thrombolysis-Eligible Acute Ischemic Stroke: Results from the ENCHANTED Study (2021)
Journal Article
Wang, X., Minhas, J. S., Moullaali, T. J., Luca Di Tanna, G., Lindley, R. I., Chen, X., …Robinson, T. G. (2022). Associations of Early Systolic Blood Pressure Control and Outcome after Thrombolysis-Eligible Acute Ischemic Stroke: Results from the ENCHANTED Study. Stroke, 53(3), 779-787. https://doi.org/10.1161/strokeaha.121.034580

Background and Purpose: In thrombolysis-eligible patients with acute ischemic stroke, there is uncertainty over the most appropriate systolic blood pressure (SBP) lowering profile that provides an optimal balance of potential benefit (functional reco... Read More about Associations of Early Systolic Blood Pressure Control and Outcome after Thrombolysis-Eligible Acute Ischemic Stroke: Results from the ENCHANTED Study.

Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections (2021)
Journal Article
Bath, P. M., Coleman, C. M., Gordon, A. L., Lim, W. S., & Webb, A. J. (2021). Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections. F1000Research, 10, 1-39. https://doi.org/10.12688/f1000research.51270.2

Although the antimicrobial potential of nitric oxide (NO) is widely published, it is little used clinically. NO is a key signalling molecule modulating vascular, neuronal, inflammatory and immune responses. Endogenous antimicrobial activity is largel... Read More about Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections.

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.

Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections [version 1; peer review: 1 approved with reservations] (2021)
Journal Article
Bath, P. M., Coleman, C. M., Gordon, A. L., Lim, W. S., & Webb, A. J. (2021). Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections [version 1; peer review: 1 approved with reservations]. F1000Research, 10, 1-34. https://doi.org/10.12688/f1000research.51270.1

Although the antimicrobial potential of nitric oxide (NO) is widely published, it is little used clinically. NO is a key signalling molecule modulating vascular, neuronal, inflammatory and immune responses. Endogenous antimicrobial activity is largel... Read More about Nitric oxide for the prevention and treatment of viral, bacterial, protozoal and fungal infections [version 1; peer review: 1 approved with reservations].

Effects of Pharyngeal Electrical Stimulation on Swallow Timings, Clearance and Safety in Post-Stroke Dysphagia: Analysis from the Swallowing Treatment Using Electrical Pharyngeal Stimulation (STEPS) Trial (2021)
Journal Article
Everton, L. F., Benfield, J. K., Michou, E., Hamdy, S., & Bath, P. M. (2021). Effects of Pharyngeal Electrical Stimulation on Swallow Timings, Clearance and Safety in Post-Stroke Dysphagia: Analysis from the Swallowing Treatment Using Electrical Pharyngeal Stimulation (STEPS) Trial. Stroke Research and Treatment, 2021, Article 5520657. https://doi.org/10.1155/2021/5520657

Swallowing impairment (dysphagia) post-stroke results in poorer outcomes. Pharyngeal electrical stimulation (PES) is a potential treatment for post-stroke dysphagia. In a post hoc analysis, we investigated PES using videofluoroscopy swallow studies (... Read More about Effects of Pharyngeal Electrical Stimulation on Swallow Timings, Clearance and Safety in Post-Stroke Dysphagia: Analysis from the Swallowing Treatment Using Electrical Pharyngeal Stimulation (STEPS) Trial.

Glyceryl trinitrate for the treatment of ischaemic stroke: Determining efficacy in rodent and ovine species for enhanced clinical translation (2021)
Journal Article
Sorby-Adams, A. J., Learoyd, A. E., Bath, P. M., Burrows, F., Farr, T. D., Leonard, A. V., …Trueman, R. C. (2021). Glyceryl trinitrate for the treatment of ischaemic stroke: Determining efficacy in rodent and ovine species for enhanced clinical translation. Journal of Cerebral Blood Flow and Metabolism, 41(12), 3248-3259. https://doi.org/10.1177/0271678X211018901

Hypertension is a leading risk factor for death and dependency after ischaemic stroke. However, administering anti-hypertensive medications post-stroke remains contentious with concerns regarding deleterious effects on cerebral blood flow and infarct... Read More about Glyceryl trinitrate for the treatment of ischaemic stroke: Determining efficacy in rodent and ovine species for enhanced clinical translation.