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Automated segmentation of haematoma and perihaematomal oedema in MRI of acute spontaneous intracerebral haemorrhage (2019)
Journal Article
Pszczolkowski, S., Law, Z. K., Gallagher, R. G., Meng, D., Swienton, D. J., Morgan, P. S., Bath, P. M., Sprigg, N., & Dineen, R. A. (2019). Automated segmentation of haematoma and perihaematomal oedema in MRI of acute spontaneous intracerebral haemorrhage. Computers in Biology and Medicine, 106, 126-139. https://doi.org/10.1016/j.compbiomed.2019.01.022

Background
Spontaneous intracerebral haemorrhage (SICH) is a common condition with high morbidity and mortality. Segmentation of haematoma and perihaematoma oedema on medical images provides quantitative outcome measures for clinical trials and may... Read More about Automated segmentation of haematoma and perihaematomal oedema in MRI of acute spontaneous intracerebral haemorrhage.

Aberrant visual pathway development in albinism: from retina to cortex (2018)
Journal Article
Ather, S., Proudlock, F. A., Welton, T., Morgan, P. S., Sheth, V., Gottlob, I., & Dineen, R. A. (2019). Aberrant visual pathway development in albinism: from retina to cortex. Human Brain Mapping, 40(3), 777-788. https://doi.org/10.1002/hbm.24411

Albinism refers to a group of genetic abnormalities in melanogenesis that are associated neuronal misrouting through the optic chiasm. Previous imaging studies have shown structural alterations at different points along the visual pathway of people w... Read More about Aberrant visual pathway development in albinism: from retina to cortex.

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.

Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT (2018)
Journal Article
Bath, P. M., Woodhouse, L. J., Appleton, J. P., Beridze, M., Christensen, H., Dineen, R. A., Flaherty, K., Duley, L., England, T. J., Havard, D., Heptinstall, S., James, M., Kasonde, C., Krishnan, K., Markus, H. S., Montgomery, A. A., Pocock, S., Randall, M., Ranta, A., Robinson, T. G., …Sprigg, N. (2018). Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT. Health Technology Assessment, 22(48), 1-75. https://doi.org/10.3310/hta22480

© Queen’s Printer and Controller of HMSO 2018. Background: Two antiplatelet agents are better than one for preventing recurrent stroke after acute ischaemic stroke or transient ischaemic attack (TIA). Therefore, intensive treatment with three agents... Read More about Triple versus guideline antiplatelet therapy to prevent recurrence after acute ischaemic stroke or transient ischaemic attack: The TARDIS RCT.

Prevention of haematoma progression by tranexamic acid in intracerebral haemorrhage patients with and without spot sign on admission scan: a statistical analysis plan of a pre-specified sub-study of the TICH-2 trial (2018)
Journal Article
Ovesen, C., Jakobsen, J. C., Gluud, C., Steiner, T., Law, Z., Flaherty, K., Dineen, R., Bath, P. M., Sprigg, N., & Christensen, H. (2018). Prevention of haematoma progression by tranexamic acid in intracerebral haemorrhage patients with and without spot sign on admission scan: a statistical analysis plan of a pre-specified sub-study of the TICH-2 trial. BMC Research Notes, 11, Article 379. https://doi.org/10.1186/s13104-018-3481-8

Objective

We present the statistical analysis plan of a prespecified Tranexamic Acid for Hyperacute Primary Intracerebral Haemorrhage (TICH)-2 sub-study aiming to investigate, if tranexamic acid has a different effect in intracerebral haemorrhage... Read More about Prevention of haematoma progression by tranexamic acid in intracerebral haemorrhage patients with and without spot sign on admission scan: a statistical analysis plan of a pre-specified sub-study of the TICH-2 trial.

Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage (TICH-2): an international randomised, placebo-controlled, phase 3 superiority trial (2018)
Journal Article
Sprigg, N., Flaherty, K., Appleton, J. P., Al-Shahi Salman, R., Bereczki, D., Beridze, M., Christensen, H., Ciccone, A., Collins, R., Czlonkowska, A., Dineen, R. A., Duley, L., Egea-Guerrero, J. J., England, T. J., Krishnan, K., Laska, A. C., Law, Z. K., Ozturk, S., Pocock, S. J., Roberts, I., …Bath, P. M. (2018). Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage (TICH-2): an international randomised, placebo-controlled, phase 3 superiority trial. Lancet, 391(10135), 2107-2115. https://doi.org/10.1016/S0140-6736%2818%2931033-X

Background
Tranexamic acid (TXA) reduces death due to bleeding after trauma and post-partum haemorrhage. The aim was to assess if tranexamic acid reduces haematoma expansion and improves outcome in adults with stroke due to intracerebral 6 haemorrha... Read More about Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage (TICH-2): an international randomised, placebo-controlled, phase 3 superiority trial.

Impact of atrial fibrillation diagnosis or carotid enderterectomy requirement on outcome in patients from the triple antiplatelets for reducing dependency after ischaemic stroke (TARDIS) trial (2018)
Presentation / Conference Contribution
Woodhouse, L. J., Appleton, J. P., Flaherty, K., Dineen, R. A., Sprigg, N., & Bath, P. M. Impact of atrial fibrillation diagnosis or carotid enderterectomy requirement on outcome in patients from the triple antiplatelets for reducing dependency after ischaemic stroke (TARDIS) trial. Presented at 4th European Stroke Organisation Conference ​(ESOC 2018)

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, May). Recruitment challenges in MRI studies of acute intracerebral haemorrhage: experience from the TICH-2 MRI substudy. Presented at 4th European Stroke Organisation Conference ​(ESOC 2018)

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., Langmack, G., & 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.

Development of a pre-operative scoring system for predicting risk of post-operative paediatric cerebellar mutism syndrome (2018)
Journal Article
Liu, J.-F., Dineen, R. A., Avula, S., Chambers, T., Dutta, M., Jaspan, T., MacArthur, D. C., Howarth, S., Soria, D., Quinlan, P., Harave, S., Ong, C. C., Mallucci, C. L., Kumar, R., Pizer, B., & Walker, D. A. (in press). Development of a pre-operative scoring system for predicting risk of post-operative paediatric cerebellar mutism syndrome. British Journal of Neurosurgery, https://doi.org/10.1080/02688697.2018.1431204

BACKGROUND: Despite previous identification of pre-operative clinical and radiological predictors of post-operative paediatric cerebellar mutism syndrome (CMS), a unifying pre-operative risk stratification model for use during surgical consent is cur... Read More about Development of a pre-operative scoring system for predicting risk of post-operative paediatric cerebellar mutism syndrome.

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., Werring, D., Al-Shahi Salman, R., England, T. J., Bath, P. M., & 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.

Antiplatelet therapy with aspirin, clopidogrel, and dipyridamole versus clopidogrel alone or aspirin and dipyridamole in patients with acute cerebral ischaemia (TARDIS): a randomised, open-label, phase 3 superiority trial (2017)
Journal Article
Bath, P. M., Christensen, L. M., Woodhouse, L. J., Bentsen, L., Appleton, J. P., Krarup Hansen, C., Beridze, M., Thomsen, T. T., Christensen, H., Kruuse, C., Dineen, R. A., Jensen, H. H., Duley, L., Hansen, S. S., England, T. J., Petrovic, V., Flaherty, K., Beridze, N., Havard, D., Kakabadze, N., …Farren, P. (2018). Antiplatelet therapy with aspirin, clopidogrel, and dipyridamole versus clopidogrel alone or aspirin and dipyridamole in patients with acute cerebral ischaemia (TARDIS): a randomised, open-label, phase 3 superiority trial. Lancet, 391(10123), 850-859. https://doi.org/10.1016/S0140-6736%2817%2932849-0

Background: Intensive antiplatelet therapy with three agents might be more effective than guideline treatment for preventing recurrent events in patients with acute cerebral ischaemia. We aimed to compare the safety and efficacy of intensive antiplat... Read More about Antiplatelet therapy with aspirin, clopidogrel, and dipyridamole versus clopidogrel alone or aspirin and dipyridamole in patients with acute cerebral ischaemia (TARDIS): a randomised, open-label, phase 3 superiority trial.

Statistical analysis plan for the ‘Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage’ (TICH-2) trial (2017)
Journal Article
Flaherty, K., Bath, P. M., Dineen, R., Law, Z., Scutt, P., Pocock, S., & Sprigg, N. (in press). Statistical analysis plan for the ‘Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage’ (TICH-2) trial. Trials, 18(1), Article 607. https://doi.org/10.1186/s13063-017-2341-5

Rationale

Aside from blood pressure lowering, treatment options for intracerebral haemorrhage remain limited and a proportion of patients will undergo early haematoma expansion with resultant significant morbidity and mortality. Tranexamic acid (T... Read More about Statistical analysis plan for the ‘Tranexamic acid for hyperacute primary IntraCerebral Haemorrhage’ (TICH-2) trial.

Relationship between race and outcome in Asian, Black and Caucasian patients with spontaneous intracerebral haemorrhage: data from the Virtual International Stroke Trials Archive (VISTA) and Efficacy of Nitric Oxide in Stroke trial (ENOS) (2017)
Journal Article
Krishnan, K., Beishon, L., Berge, E., Christensen, H., Dineen, R. A., Ozturk, S., Sprigg, N., Wardlow, J. M., & Bath, P. M. (2018). Relationship between race and outcome in Asian, Black and Caucasian patients with spontaneous intracerebral haemorrhage: data from the Virtual International Stroke Trials Archive (VISTA) and Efficacy of Nitric Oxide in Stroke trial (ENOS). International Journal of Stroke, 13(4), https://doi.org/10.1177/1747493017744463

Background and purpose: Although poor prognosis after intracerebral haemorrhage relates to risk factors and haematoma characteristics, there is limited evidence for the effect of race-ethnicity.
Methods: Data from 1011 patients with intracerebral ha... Read More about Relationship between race and outcome in Asian, Black and Caucasian patients with spontaneous intracerebral haemorrhage: data from the Virtual International Stroke Trials Archive (VISTA) and Efficacy of Nitric Oxide in Stroke trial (ENOS).

Altered whole-brain connectivity in albinism (2016)
Journal Article
Welton, T., Ather, S., Proudlock, F. A., Gottlob, I., & Dineen, R. A. (2017). Altered whole-brain connectivity in albinism. Human Brain Mapping, 38(2), 740-752. https://doi.org/10.1002/hbm.23414

Albinism is a group of congenital disorders of the melanin synthesis pathway. Multiple ocular, white matter and cortical abnormalities occur in albinism, including a greater decussation of nerve fibres at the optic chiasm, foveal hypoplasia and nysta... Read More about Altered whole-brain connectivity in albinism.

Cerebral cortical thickness in chronic pain due to knee osteoarthritis: the effect of pain duration and pain densitization (2016)
Journal Article
Alshuft, H., Condon, L., Dineen, R. A., & Auer, D. P. (in press). Cerebral cortical thickness in chronic pain due to knee osteoarthritis: the effect of pain duration and pain densitization. PLoS ONE, 11(9), Article e0161687. https://doi.org/10.1371/journal.pone.0161687

Objective

This study investigates associations between cortical thickness and pain duration, and central sensitization as markers of pain progression in painful knee osteoarthritis.

Methods

Whole brain cortical thickness and pressure pain th... Read More about Cerebral cortical thickness in chronic pain due to knee osteoarthritis: the effect of pain duration and pain densitization.

Lesion topography and microscopic white matter tract damage contribute to cognitive impairment in symptomatic carotid artery disease (2016)
Journal Article
Meng, D., Hosseini, A. A., Simpson, R. J., Shaikh, Q., Tench, C. R., Dineen, R. A., & Auer, D. P. (2017). Lesion topography and microscopic white matter tract damage contribute to cognitive impairment in symptomatic carotid artery disease. Radiology, 282(2), 502-515. https://doi.org/10.1148/radiol.2016152685

Purpose: To investigate associations between neuroimaging markers of cerebrovascular disease, including lesion topography and extent and severity of strategic and global cerebral tissue injury, and cognition in carotid artery disease (CAD).
Material... Read More about Lesion topography and microscopic white matter tract damage contribute to cognitive impairment in symptomatic carotid artery disease.

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.