All Outputs (91)

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.-P., Thorp, N., Modena, P., Giagnacovo, M., Dineen, R., Jaspan, T., Pajtler, K. W., Jacques, T. S., Paine, S. M. L., Ellison, D. W., Bouffet, E., & 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., Sprigg, N., & 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., Whitehouse, W. P., & 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.

Outcomes in Antiplatelet‐Associated Intracerebral Hemorrhage in the TICH‐2 Randomized Controlled Trial (2021)
Journal Article
Law, Z. K., Desborough, M., Roberts, I., Al‐Shahi Salman, R., England, T. J., Werring, D. J., Robinson, T., Krishnan, K., Dineen, R., Laska, A. C., Peters, N., Egea‐Guerrero, J. J., Karlinski, M., Christensen, H., Roffe, C., Bereczki, D., Ozturk, S., Thanabalan, J., Collins, R., Beridze, M., …Sprigg, N. (2021). Outcomes in Antiplatelet‐Associated Intracerebral Hemorrhage in the TICH‐2 Randomized Controlled Trial. Journal of the American Heart Association, 10(5), Article e019130. https://doi.org/10.1161/jaha.120.019130

Background
Antiplatelet therapy increases the risk of hematoma expansion in intracerebral hemorrhage (ICH) while the effect on functional outcome is uncertain.

Methods and Results
This is an exploratory analysis of the TICH‐2 (Tranexamic Acid in... Read More about Outcomes in Antiplatelet‐Associated Intracerebral Hemorrhage in the TICH‐2 Randomized Controlled Trial.

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., Coats, T. J., Hepburn, T., Bath, P. M., Sprigg, N., & 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.

Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis (2020)
Journal Article
Meng, D., Welton, T., Elsarraj, A., Morgan, P. S., das Nair, R., Constantinescu, C. S., Evangelou, N., Auer, D. P., & Dineen, R. A. (2020). Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis. Human Brain Mapping, 42(2), 495-509. https://doi.org/10.1002/hbm.25239

Three decades ago a series of parallel circuits were described involving the frontal cortex and deep grey matter structures, with putative roles in control of motor and oculomotor function, cognition, behaviour and emotion. The circuit comprising the... Read More about Dorsolateral prefrontal circuit effective connectivity mediates the relationship between white matter structure and PASAT‐3 performance in multiple sclerosis.

Predictors and outcomes of neurological deterioration in intracerebral hemorrhage: results from the TICH-2 randomised controlled trial (2020)
Journal Article
Kang Law, Z., Dineen, R., England, T. J., Cala, L., Mistri, A. K., Appleton, J. P., Ozturk, S., Bereczki, D., Ciccone, A., Bath, P. M., Sprigg, N., & TICH-2 investigators. (2021). Predictors and outcomes of neurological deterioration in intracerebral hemorrhage: results from the TICH-2 randomised controlled trial. Translational Stroke Research, 12, 275-283. https://doi.org/10.1007/s12975-020-00845-6

Neurological deterioration is common after intracerebral hemorrhage (ICH). We aimed to identify the predictors and effects of neurological deterioration and whether tranexamic acid reduced the risk of neurological deterioration. Data from the Tranexa... Read More about Predictors and outcomes of neurological deterioration in intracerebral hemorrhage: results from the TICH-2 randomised controlled 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.

Graph Theoretic Analysis of Brain Connectomics in Multiple Sclerosis: Reliability and Relationship to Cognition (2020)
Journal Article
Welton, T., Constantinescu, C. S., Auer, D. P., & Dineen, R. A. (2020). Graph Theoretic Analysis of Brain Connectomics in Multiple Sclerosis: Reliability and Relationship to Cognition. Brain Connectivity, 10(2), 95-104. https://doi.org/10.1089/brain.2019.0717

Research suggests that disruption of brain networks might explain cognitive deficits in multiple sclerosis (MS). The reliability and effectiveness of graph-theoretic network metrics as measures of cognitive performance were tested in 37 people with M... Read More about Graph Theoretic Analysis of Brain Connectomics in Multiple Sclerosis: Reliability and Relationship to Cognition.

Incidence and predictors of early seizures in intracerebral haemorrhage and the effect of tranexamic acid (2020)
Journal Article
Law, Z. K., England, T. J., Mistri, A. K., Woodhouse, L. J., Cala, L., Dineen, R., Ozturk, S., Beridze, M., Collins, R., Bath, P. M., Sprigg, N., & TICH-2 investigators. (2020). Incidence and predictors of early seizures in intracerebral haemorrhage and the effect of tranexamic acid. European Stroke Journal, 5(2), 123-129. https://doi.org/10.1177/2396987320901391

Introduction: Seizures are common after intracerebral haemorrhage. Tranexamic acid increases the risk of seizures in non-intracerebral haemorrhage population but its effect on post-intracerebral haemorrhage seizures is unknown. We explored the risk f... Read More about Incidence and predictors of early seizures in intracerebral haemorrhage and the effect of tranexamic acid.

Imaging markers of small vessel disease and ‘brain frailty’ and outcomes in acute stroke (2019)
Journal Article
Appleton, J. P., Woodhouse, L. J., Adami, A., Becker, J. L., Berge, E., Cala, L. A., Casado, A. M., Caso, V., Christensen, H. K., Dineen, R. A., Gommans, J., Koumellis, P., Szatmari, S., Sprigg, N., Bath, P. M., & Wardlaw, J. M. (2020). Imaging markers of small vessel disease and ‘brain frailty’ and outcomes in acute stroke. Neurology, 94(5), e439-e452. https://doi.org/10.1212/WNL.0000000000008881

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., Prasad, M., Chow, G., Whitehouse, W. P., & 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.

Noncontrast Computed Tomography Signs as Predictors of Hematoma Expansion, Clinical Outcome and Response to Tranexamic Acid in Acute Intracerebral Hemorrhage (2019)
Journal Article
Law, Z. K., Ali, A., Krishnan, K., Bischoff, A., Appleton, J., Scutt, P., Woodhouse, L., Pszczolkowski, S., Cala, L., Dineen, R., England, T., Ozturk, S., Roffe, C., Bereczki, D., Ciccone, A., Christensen, H., Ovesen, C., Bath, P., & Sprigg, N. (2020). Noncontrast Computed Tomography Signs as Predictors of Hematoma Expansion, Clinical Outcome and Response to Tranexamic Acid in Acute Intracerebral Hemorrhage. Stroke, 51(1), 121–128. https://doi.org/10.1161/STROKEAHA.119.026128

Background and purpose

Blend, black hole and island signs and hypodensities are reported to predict hematoma expansion in acute intracerebral hemorrhage (ICH). We explored the value of these noncontrast CT (NCCT) signs in predicting hematoma expan... Read More about Noncontrast Computed Tomography Signs as Predictors of Hematoma Expansion, Clinical Outcome and Response to Tranexamic Acid in Acute Intracerebral Hemorrhage.

Large‐scale network dysfunction in vascular cognitive disorder supports connectional diaschisis in advanced arteriosclerosis (2019)
Journal Article
Meng, D., Hosseini, A. A., Simpson, R. J., Welton, T., Dineen, R. A., & Auer, D. P. (2019). Large‐scale network dysfunction in vascular cognitive disorder supports connectional diaschisis in advanced arteriosclerosis. European Journal of Neurology, https://doi.org/10.1111/ene.14084

Background and Purpose
The interrelation of cognitive performance, cerebrovascular damage and brain functional connectivity (FC) in advanced arteriosclerosis remains unclear. Our aim was to investigate the associations between FC, white matter damag... Read More about Large‐scale network dysfunction in vascular cognitive disorder supports connectional diaschisis in advanced arteriosclerosis.

Congenital monocular elevation deficiency associated with a novel TUBB3 gene variant (2019)
Journal Article
Thomas, M. G., Maconachie, G. D., Constantinescu, C. S., Chan, W.-M., Barry, B., Hisaund, M., Sheth, V., Kuht, H. J., Dineen, R. A., Harieaswar, S., Engle, E. C., Gottlob, I., & Thomas, G. (2020). Congenital monocular elevation deficiency associated with a novel TUBB3 gene variant. British Journal of Ophthalmology, 104(4), 547-550. https://doi.org/10.1136/bjophthalmol-2019-314293

Background The genetic basis of monocular elevation deficiency (MED) is unclear. It has previously been considered to arise due to a supranuclear abnormality.

Methods Two brothers with MED were referred to Leicester Royal Infirmary, UK from the lo... Read More about Congenital monocular elevation deficiency associated with a novel TUBB3 gene variant.

Tranexamic acid to improve functional status in adults with spontaneous intracerebral haemorrhage: the TICH-2 RCT (2019)
Journal Article
Sprigg, N., Flaherty, K., Appleton, J. P., Al-Shahi Salman, R., Bereczki, D., Beridze, M., Ciccone, A., Collins, R., Dineen, R. A., Duley, L., Egea-Guerrero, J. J., England, T. J., Karlinski, M., Krishnan, K., Laska, A. C., Law, Z. K., Ovesen, C., Ozturk, S., Pocock, S. J., Roberts, I., …Bath, P. M. (2019). Tranexamic acid to improve functional status in adults with spontaneous intracerebral haemorrhage: the TICH-2 RCT. Health Technology Assessment, 23(35), 1-48. https://doi.org/10.3310/hta23350

BACKGROUND: Tranexamic acid reduces death due to bleeding after trauma and postpartum haemorrhage. OBJECTIVE: The aim of the study was to assess if tranexamic acid is safe, reduces haematoma expansion and improves outcomes in adults with spontaneous... Read More about Tranexamic acid to improve functional status in adults with spontaneous intracerebral haemorrhage: the TICH-2 RCT.

Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis (2019)
Journal Article
Godolphin, P. J., Bath, P. M., Algra, A., Berge, E., Brown, M. M., Chalmers, J., Duley, L., Eliasziw, M., Gregson, J., Greving, J. P., Hankey, G. J., Hosomi, N., Johnston, S. C., Patsko, E., Ranta, A., Sandset, P. M., Serena, J., Weimar, C., Montgomery, A. A., Knipp, S., …on behalf of the Adjudicating Outcomes in Stroke Trials Collaboration*. (2019). Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis. Stroke, 50(8), 2187-2196. https://doi.org/10.1161/strokeaha.119.025019

© 2019 American Heart Association, Inc. Background and Purpose-In randomized stroke trials, central adjudication of a trial's primary outcome is regularly implemented. However, recent evidence questions the importance of central adjudication in rando... Read More about Outcome Assessment by Central Adjudicators Versus Site Investigators in Stroke Trials: A Systematic Review and Meta-Analysis.

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.