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All Outputs (43)

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
Ritzmann, T. A., Chapman, R. J., Macarthur, D., Mallucci, C., Kilday, J.-P., 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.

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.

Multiparametric cerebellar imaging and clinical phenotype in childhood ataxia telangiectasia (2019)
Journal Article
Dineen, R. A., Raschke, F., McGlashan, H. L., Pszczolkowski, S., Hack, L., Cooper, A. D., …Auer, D. P. (2020). Multiparametric cerebellar imaging and clinical phenotype in childhood ataxia telangiectasia. NeuroImage: Clinical, 25, Article 102110. https://doi.org/10.1016/j.nicl.2019.102110

Background Ataxia Telangiectasia (A-T) is an inherited multisystem disorder with cerebellar neurodegeneration. The relationships between imaging metrics of cerebellar health and neurological function across childhood in A-T are unknown, but may be i... Read More about Multiparametric cerebellar imaging and clinical phenotype in childhood ataxia telangiectasia.

Switching from linear to macrocyclic gadolinium‐based contrast agents halts the relative T 1 ‐Weighted signal increase in deep gray matter of children with brain tumors: A retrospective study (2019)
Journal Article
Rowe, S. K., Rodriguez, D., Cohen, E., Grundy, R., Morgan, P. S., Jaspan, T., & Dineen, R. A. (2019). Switching from linear to macrocyclic gadolinium‐based contrast agents halts the relative T 1 ‐Weighted signal increase in deep gray matter of children with brain tumors: A retrospective study. Journal of Magnetic Resonance Imaging, https://doi.org/10.1002/jmri.26831

Background Studies have shown signal intensity (SI) changes in the brains of children exposed to repeated doses of a gadolinium‐based contrast agent (GBCA). Hypothesis The trajectory of changes in relative dentate nucleus (DN) and globus pal... Read More about Switching from linear to macrocyclic gadolinium‐based contrast agents halts the relative T 1 ‐Weighted signal increase in deep gray matter of children with brain tumors: A retrospective study.

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.

Recruitment challenges in MRI studies of acute intracerebral haemorrhage: experience from the TICH-2 MRI substudy (2018)
Presentation / Conference Contribution
Pszczolkowski, S., Bath, P. M., Sprigg, N., & Dineen, R. A. (2018). Recruitment challenges in MRI studies of acute intracerebral haemorrhage: experience from the TICH-2 MRI substudy.

BACKGROUND AND AIMS Magnetic Resonance Imaging (MRI) is widely used in clinical practice and in trials for ischaemic stroke; however, relatively few large multicentre trials for intracerebral haemorrhage have used MRI. We describe the main recruitme... Read More about Recruitment challenges in MRI studies of acute intracerebral haemorrhage: experience from the TICH-2 MRI substudy.

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.

Animated educational video to prepare children for MRI without sedation: evaluation of the appeal and value (2016)
Journal Article
Szeszak, S., Man, R., Love, A., Langmack, G., Wharrad, H., & Dineen, R. A. (2016). Animated educational video to prepare children for MRI without sedation: evaluation of the appeal and value. Pediatric Radiology, 46(12), 1744-1750. https://doi.org/10.1007/s00247-016-3661-4

Background: MRI scans can be distressing for children and often require sedation. Educating children about what to expect reduces anxiety and increases likelihood of successful non-sedated MRI scans. Multimedia tools are a popular means of education.... Read More about Animated educational video to prepare children for MRI without sedation: evaluation of the appeal and value.

Development and clinical acceptability of a pre-operative risk stratification tool of cerebellar mutism syndrome in children with posterior fossa tumour (2016)
Presentation / Conference Contribution
Dineen, R. A., Avula, S., Chambers, T., Dutta, M., Liu, J., Soria, D., …Walker, D. (2016). Development and clinical acceptability of a pre-operative risk stratification tool of cerebellar mutism syndrome in children with posterior fossa tumour.

Aims: Despite identification of numerous pre-operative cerebellar mutism syndrome (CMS) clinical and radiological predictors, a unifying pre-operative risk stratification model for use during surgical consent is currently lacking. The aims of the pro... Read More about Development and clinical acceptability of a pre-operative risk stratification tool of cerebellar mutism syndrome in children with posterior fossa tumour.

Performance characteristics of methods for quantifying spontaneous intracerebral haemorrhage: data from the Efficacy of Nitric Oxide in Stroke (ENOS) trial (2015)
Journal Article

Background: Poor prognosis after intracerebral haemorrhage (ICH) is related to haemorrhage characteristics. Along with developing therapeutic interventions, we sought to understand the performance of haemorrhage descriptors in large clinical trials.... Read More about Performance characteristics of methods for quantifying spontaneous intracerebral haemorrhage: data from the Efficacy of Nitric Oxide in Stroke (ENOS) trial.