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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.

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.

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.

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.-P., 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.

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

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.

Desmopressin for reversal of Antiplatelet drugs in Stroke due to Haemorrhage (DASH): protocol for a phase II double blind randomised controlled feasibility trial (2020)
Journal Article
Desborough, M. J., Al-Shahi Salman, R., Stanworth, S. J., Havard, D., Brennan, P. M., Dineen, R. A., …DASH trial investigators. (2020). Desmopressin for reversal of Antiplatelet drugs in Stroke due to Haemorrhage (DASH): protocol for a phase II double blind randomised controlled feasibility trial. BMJ Open, 10(11), Article e037555. https://doi.org/10.1136/bmjopen-2020-037555

Introduction Intracerebral haemorrhage (ICH) can be devastating and is a common cause of death and disability worldwide. Pre-ICH antiplatelet drug use is associated with a 27% relative increase in 1 month case fatality compared with patients not usin... Read More about Desmopressin for reversal of Antiplatelet drugs in Stroke due to Haemorrhage (DASH): protocol for a phase II double blind randomised controlled feasibility trial.

Neuropsychological outcomes of children with Optic Pathway Glioma (2020)
Journal Article
Papini, C., Dineen, R. A., Walker, D. A., Thomas, S., & Pitchford, N. J. (2020). Neuropsychological outcomes of children with Optic Pathway Glioma. Scientific Reports, 10(1), Article 3344. https://doi.org/10.1038/s41598-020-59896-2

Optic Pathway Glioma (OPG) is a relatively common brain tumour in childhood; however, there is scarce understanding of neuropsychological sequelae in these survivors. In this study, 12 children with diagnosis of OPG before 6 years of age received a c... Read More about Neuropsychological outcomes of children with Optic Pathway Glioma.

Lifespan pigmentation changes of the substantia nigra detected by neuromelanin-sensitive MRI (2018)
Journal Article
Xing, Y., Sapuan, A., Dineen, R., & Auer, D. P. (2018). Lifespan pigmentation changes of the substantia nigra detected by neuromelanin-sensitive MRI. Movement Disorders, 33(11), 1792-1799. https://doi.org/10.1002/mds.27502

Background: Neuromelanin is a pigment with strong iron-chelating properties preferentially found in dopaminergic neurons of the substantia nigra, pars compacta (SNpc). Parkinson's disease is characterized by pronounced, MRI detectable neuromelanin lo... Read More about Lifespan pigmentation changes of the substantia nigra detected by neuromelanin-sensitive MRI.

The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD (2018)
Journal Article
Samaraweera, A. P., Falah, Y., Pitot, A., Dineen, R. A., Morgan, P. S., & Evangelou, N. (2018). The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD. Neurology, Neuroimmunology and Neuroinflammation, 5(6), Article e496. https://doi.org/10.1212/NXI.0000000000000496

© 2018 The Author(s). Objective To determine whether the assessment of brain white matter lesion (WML) central veins differentiate patients with primary progressive MS (PPMS) from relapsing-remitting MS (RRMS) and ischemic small vessel disease (SVD)... Read More about The MRI central vein marker: differentiating PPMS from RRMS and ischaemic SVD.

Evaluation of an internet-based animated preparatory video for children undergoing non-sedated MRI (2018)
Journal Article
McGlashan, H. L., Dineen, R. A., Szeszak, S., Whitehouse, W. P., Chow, G., Love, A., …Wharrad, H. (2018). Evaluation of an internet-based animated preparatory video for children undergoing non-sedated MRI. British Journal of Radiology, 91(1087), Article 20170719. https://doi.org/10.1259/bjr.20170719

Objectives: We evaluate the value of an internet-based educational animated video designed to prepare children for MRI scans, and whether this video reduces scan-related anxiety in children with a neurological disorder, and healthy controls. Meth... Read More about Evaluation of an internet-based animated preparatory video for children undergoing non-sedated MRI.

Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial (2018)
Journal Article
Dineen, R. A., Pszczolkowski, S., Flaherty, K., Law, Z. K., Morgan, P. S., Roberts, I., …Sprigg, N. (in press). Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial. BMJ Open, 8(2), Article e019930. https://doi.org/10.1136/bmjopen-2017-019930

Objectives: To test whether administration of the antifibrinolytic drug tranexamic acid (TXA) in patients with spontaneous intracerebral haemorrhage (SICH) leads to increased prevalence of diffusion-weighted MRI defined hyperintense ischaemic lesions... Read More about Does tranexamic acid lead to changes in MRI-measures of brain tissue health in patients with spontaneous intracerebral haemorrhage? An MRI sub-study nested within the double-blind randomised controlled TICH-2 trial.