All Outputs (58)

Endovascular Thrombectomy vs Best Medical Therapy for Late Presentation Acute Ischaemic Stroke with Proximal Large Vessel Occlusion Selected Based on Non-Contrast CT: A Retrospective Analysis of Two Prospectively Defined Cohorts (2022)
Journal Article
Singh Dhillon, P., Butt, W., Jovin, T. G., Podlasek, A., McConachie, N., Lenthall, R., …England, T. J. (2023). Endovascular Thrombectomy vs Best Medical Therapy for Late Presentation Acute Ischaemic Stroke with Proximal Large Vessel Occlusion Selected Based on Non-Contrast CT: A Retrospective Analysis of Two Prospectively Defined Cohorts. Stroke: Vascular and Interventional Neurology, 3(2), Article e000686. https://doi.org/10.1161/SVIN.122.000686

Background: The efficacy and safety of endovascular thrombectomy (EVT) beyond 6 hours from acute ischaemic stroke (AIS) onset for patients selected without CT perfusion or MR imaging is undetermined in routine clinical practice. Methods: In this... Read More about Endovascular Thrombectomy vs Best Medical Therapy for Late Presentation Acute Ischaemic Stroke with Proximal Large Vessel Occlusion Selected Based on Non-Contrast CT: A Retrospective Analysis of Two Prospectively Defined Cohorts.

Multimodal-neuroimaging machine-learning analysis of motor disability in multiple sclerosis (2022)
Journal Article
Rehák Bučková, B., Mareš, J., Škoch, A., Kopal, J., Tintěra, J., Dineen, R., …Hlinka, J. (2023). Multimodal-neuroimaging machine-learning analysis of motor disability in multiple sclerosis. Brain Imaging and Behavior, 17, 18-34. https://doi.org/10.1007/s11682-022-00737-3

Motor disability is a dominant and restricting symptom in multiple sclerosis, yet its neuroimaging correlates are not fully understood. We apply statistical and machine learning techniques on multimodal neuroimaging data to discriminate between multi... Read More about Multimodal-neuroimaging machine-learning analysis of motor disability in multiple sclerosis.

Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2) (2022)
Journal Article
Krishnan, K., Law, Z. K., Woodhouse, L. J., Dineen, R. A., Sprigg, N., Wardlaw, J. M., & Bath, P. M. (2023). Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2). Stroke and Vascular Neurology, 8(2), 151-160. https://doi.org/10.1136/svn-2021-001375

Background and purpose: Intracerebral haemorrhage volume (ICHV) is prognostically important but does not account for intracranial volume (ICV) and cerebral parenchymal volume (CPV). We assessed measures of intracranial compartments in acute ICH using... Read More about Measures of intracranial compartments in acute intracerebral haemorrhage: data from the Rapid Intervention with Glyceryl Trinitrate in Hypertensive Stroke-2 Trial (RIGHT-2).

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.

Neonatal stroke surveillance study protocol in the United Kingdom and Republic of Ireland (2022)
Journal Article
Kwok, T. C., Dineen, R. A., Whitehouse, W., Lynn, R. M., McSweeney, N., & Sharkey, D. (2022). Neonatal stroke surveillance study protocol in the United Kingdom and Republic of Ireland. Open Medicine, 17(1), 1417-1424. https://doi.org/10.1515/med-2022-0554

Neonatal stroke is a devastating condition that causes brain injury in babies and often leads to lifelong neurological impairment. Recent prospective population studies of neonatal stroke are lacking. Neonatal strokes are different from those in olde... Read More about Neonatal stroke surveillance study protocol in the United Kingdom and Republic of Ireland.

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.

MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial (2022)
Journal Article
Rodriguez, D., Calmon, R., Aliaga, E. S., Warren, D., Warmuth-Metz, M., Jones, C., …Jaspan, T. (2022). MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial. Radiology, 304(1), 174-182. https://doi.org/10.1148/radiol.211464

Background Diffuse midline gliomas (DMG) are characterized by a high incidence of H3 K27 mutations and poorer outcome. The HERBY trial has provided one of the largest cohorts of pediatric DMGs with available radiologic, histologic-genotypic, and surv... Read More about MRI and Molecular Characterization of Pediatric High-Grade Midline Thalamic Gliomas: The HERBY Phase II Trial.

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.

Association between time to treatment and clinical outcomes in endovascular thrombectomy beyond 6 hours without advanced imaging selection (2022)
Journal Article
Dhillon, P. S., Butt, W., Podlasek, A., McConachie, N., Lenthall, R., Nair, S., …England, T. J. (2023). Association between time to treatment and clinical outcomes in endovascular thrombectomy beyond 6 hours without advanced imaging selection. Journal of NeuroInterventional Surgery, 15(4), 336-342. https://doi.org/10.1136/neurintsurg-2021-018564

Background: The effectiveness and safety of endovascular thrombectomy (EVT) in the late window (6-24 hours) for acute ischemic stroke (AIS) patients selected without advanced imaging is undetermined. We aimed to assess clinical outcomes and the relat... Read More about Association between time to treatment and clinical outcomes in endovascular thrombectomy beyond 6 hours without advanced imaging selection.

Rate and severity of radiological features of physical abuse in children during the first UK-wide COVID-19 enforced national lockdown (2022)
Journal Article
Stivaros, S. M., Paddock, M., Rajai, A., Cliffe, H., Connolly, D. J., Dineen, R. A., …Offiah, A. C. (2022). Rate and severity of radiological features of physical abuse in children during the first UK-wide COVID-19 enforced national lockdown. Archives of Disease in Childhood, 107(6), 575-581. https://doi.org/10.1136/archdischild-2021-323444

Objective To assess the number, type and outcome of radiological investigations for children presenting to hospital with suspected physical abuse (SPA; including abusive head trauma) during the first national COVID-19 enforced lockdown compared with... Read More about Rate and severity of radiological features of physical abuse in children during the first UK-wide COVID-19 enforced national lockdown.

Endovascular thrombectomy beyond 24 hours from ischemic stroke onset: A propensity score matched cohort study (2022)
Journal Article
Singh Dhillon, P., Butt, W., Podlasek, A., Barrett, E., McConachie, N., Lenthall, R., …England, T. J. (2023). Endovascular thrombectomy beyond 24 hours from ischemic stroke onset: A propensity score matched cohort study. Journal of NeuroInterventional Surgery, 15(3), 233-237. https://doi.org/10.1136/neurintsurg-2021-018591

Background: The safety and functional outcome of endovascular thrombectomy (EVT) in the very late (VL; >24 hours) time window from ischemic stroke onset remains undetermined. Methods: Using data from a national stroke registry, we used propensity sco... Read More about Endovascular thrombectomy beyond 24 hours from ischemic stroke onset: A propensity score matched cohort study.

Automated Detection of Candidate Subjects With Cerebral Microbleeds Using Machine Learning (2022)
Journal Article
Sundaresan, V., Arthofer, C., Zamboni, G., Dineen, R. A., Rothwell, P. M., Sotiropoulos, S. N., …Griffanti, L. (2022). Automated Detection of Candidate Subjects With Cerebral Microbleeds Using Machine Learning. Frontiers in Neuroinformatics, 15, Article 777828. https://doi.org/10.3389/fninf.2021.777828

Cerebral microbleeds (CMBs) appear as small, circular, well defined hypointense lesions of a few mm in size on T2*-weighted gradient recalled echo (T2*-GRE) images and appear enhanced on susceptibility weighted images (SWI). Due to their small size,... Read More about Automated Detection of Candidate Subjects With Cerebral Microbleeds Using Machine Learning.

SIOP Ependymoma I: Final results, long term follow-up and molecular analysis of the trial cohort: A BIOMECA Consortium Study (2022)
Journal Article
Ritzmann, T. A., Chapman, R. J., Kilday, J., Thorp, N., Modena, P., Dineen, R. A., …Grundy, R. G. (2022). SIOP Ependymoma I: Final results, long term follow-up and molecular analysis of the trial cohort: A BIOMECA Consortium Study. Neuro-Oncology, 24(6), 936–948. https://doi.org/10.1093/neuonc/noac012

Background SIOP Ependymoma I was a non-randomised trial assessing event free and overall survival (EFS/OS) of non-metastatic intracranial ependymoma in children aged 3 to 21 years treated with a staged management strategy. A further aim was to asses... Read More about SIOP Ependymoma I: Final results, long term follow-up and molecular analysis of the trial cohort: A BIOMECA Consortium Study.

Brief Consent Methods Enable Rapid Enrollment in Acute Stroke Trial: Results From the TICH-2 Randomized Controlled Trial (2021)
Journal Article
the TICH-2 Investigators, Law, Z. K., Appleton, J. P., Scutt, P., Roberts, I., Al-Shahi Salman, R., …Sprigg, N. (2021). Brief Consent Methods Enable Rapid Enrollment in Acute Stroke Trial: Results From the TICH-2 Randomized Controlled Trial. Stroke, 53(4), 1141-1148. https://doi.org/10.1161/STROKEAHA.121.035191

Background: Seeking consent rapidly in acute stroke trials is crucial as interventions are time sensitive. We explored the association between consent pathways and time to enrollment in the TICH-2 (Tranexamic Acid in Intracerebral Haemorrhage-2) rand... Read More about Brief Consent Methods Enable Rapid Enrollment in Acute Stroke Trial: Results From the TICH-2 Randomized Controlled Trial.

Meta-Analysis of Apparent Diffusion Coefficient in Pediatric Medulloblastoma, Ependymoma, and Pilocytic Astrocytoma (2021)
Journal Article
Dury, R. J., Lourdusamy, A., Macarthur, D. C., Peet, A. C., Auer, D. P., Grundy, R. G., & Dineen, R. A. (2022). Meta-Analysis of Apparent Diffusion Coefficient in Pediatric Medulloblastoma, Ependymoma, and Pilocytic Astrocytoma. Journal of Magnetic Resonance Imaging, 56(1), 147-157. https://doi.org/10.1002/jmri.28007

Background: Medulloblastoma, ependymoma, and pilocytic astrocytoma are common pediatric posterior fossa tumors. These tumors show overlapping characteristics on conventional MRI scans, making diagnosis difficult. Purpose: To investigate whether appar... Read More about Meta-Analysis of Apparent Diffusion Coefficient in Pediatric Medulloblastoma, Ependymoma, and Pilocytic Astrocytoma.

Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T (2021)
Journal Article
Dewey, R. S., Dineen, R. A., Clemence, M., Dick, O., Bowtell, R., & Kitterick, P. T. (2021). Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T. Otology and Neurotology, 42(10), e1449-e1456. https://doi.org/10.1097/MAO.0000000000003281

Background:Brain magnetic resonance imaging in patients with cochlear implants (CIs) is impacted by image artefacts.Hypothesis:The optimal positioning of the CI to minimize artefacts is unknown. This study aimed to characterize the dependence of the... Read More about Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T.

EPEN-04. SIOP EPENDYMOMA I: FINAL RESULTS, LONG TERM FOLLOW-UP AND MOLECULAR ANALYSIS OF THE TRIAL COHORT: A BIOMECA CONSORTIUM STUDY (2021)
Journal Article
Ritzmann, T. A., Chapman, R. J., Macarthur, D., Mallucci, C., Kilday, J., Thorp, N., …Grundy, R. G. (2021). EPEN-04. SIOP EPENDYMOMA I: FINAL RESULTS, LONG TERM FOLLOW-UP AND MOLECULAR ANALYSIS OF THE TRIAL COHORT: A BIOMECA CONSORTIUM STUDY. Neuro-Oncology, 23(Supplement 1), i14. https://doi.org/10.1093/neuonc/noab090.054

Introduction Surgery and radiotherapy are established childhood ependymoma treatments. The efficacy of chemotherapy has been debated. We report final results of the SIOP Ependymoma I trial, with 12-year follow-up, in the context of a post-hoc analys... Read More about EPEN-04. SIOP EPENDYMOMA I: FINAL RESULTS, LONG TERM FOLLOW-UP AND MOLECULAR ANALYSIS OF THE TRIAL COHORT: A BIOMECA CONSORTIUM STUDY.

Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage (2021)
Journal Article
Pszczolkowski, S., Manzano-Patron, J. P., Law, Z. K., Krishnan, K., Ali, A., Bath, P. M., …Dineen, R. A. (2021). Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage. European Radiology, 31, 7945-7959. https://doi.org/10.1007/s00330-021-07826-9

Objectives To test radiomics-based features extracted from noncontrast CT of patients with spontaneous intracerebral haemorrhage for prediction of haematoma expansion and poor functional outcome and compare them with radiological signs and clinica... Read More about Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage.

Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage (2021)
Journal Article
Pszczolkowski, S., Manzano-Patrón, J. P., Law, Z. K., Krishnan, K., Ali, A., Bath, P. M., …Dineen, R. A. (2021). Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage. European Radiology, 31, 7945-7959. https://doi.org/10.1007/s00330-021-07826-9

Objectives: To test radiomics-based features extracted from noncontrast CT of patients with spontaneous intracerebral haemorrhage for prediction of haematoma expansion and poor functional outcome and compare them with radiological signs and clinical... Read More about Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage.

Accumulation of Brain Hypointense Foci on Susceptibility-Weighted Imaging in Childhood Ataxia Telangiectasia (2021)
Journal Article
Dineen, R. A., Blanchard, C. C., Pszczolkowski, S., Paine, S., Prasad, M., Chow, G., …Auer, D. P. (2021). Accumulation of Brain Hypointense Foci on Susceptibility-Weighted Imaging in Childhood Ataxia Telangiectasia. American Journal of Neuroradiology, 42(6), 1144-1150. https://doi.org/10.3174/ajnr.a7107

Background and Purpose Susceptibility-weighted imaging (SWI) hypointense cerebral lesions have been reported in adults with the inherited cerebellar neurodegenerative disorder ataxia telangiectasia (A-T). This study aims to establish the prevalence... Read More about Accumulation of Brain Hypointense Foci on Susceptibility-Weighted Imaging in Childhood Ataxia Telangiectasia.