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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.

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.

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.

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.

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.

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.

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.

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.

Continuing versus Stopping Prestroke Antihypertensive Therapy in Acute Intracerebral Hemorrhage: A Subgroup Analysis of the Efficacy of Nitric Oxide in Stroke Trial (2016)
Journal Article
Krishnan, K., Scutt, P., Woodhouse, L., Bath, P. M., Adami, A., Becker, J. L., Cala, L. A., Casado, A. M., Chen, C., Dineen, R. A., Gommans, J., Koumellis, P., Christensen, H., Collins, R., Czlonkowska, A., Lees, K. R., Ntaios, G., Ozturk, S., Phillips, S. J., Sprigg, N., …Bath, P. M. (2016). Continuing versus Stopping Prestroke Antihypertensive Therapy in Acute Intracerebral Hemorrhage: A Subgroup Analysis of the Efficacy of Nitric Oxide in Stroke Trial. Journal of Stroke and Cerebrovascular Diseases, 25(5), 1017-1026. https://doi.org/10.1016/j.jstrokecerebrovasdis.2016.01.010

Background and purpose: More than 50% of patients with acute intracerebral haemorrhage (ICH) are taking antihypertensive drugs before ictus. Although antihypertensive therapy should be given long term for secondary prevention, whether to continue or... Read More about Continuing versus Stopping Prestroke Antihypertensive Therapy in Acute Intracerebral Hemorrhage: A Subgroup Analysis of the Efficacy of Nitric Oxide in Stroke Trial.

Glyceryl Trinitrate for Acute Intracerebral Hemorrhage: Results From the Efficacy of Nitric Oxide in Stroke (ENOS) Trial, a Subgroup Analysis (2015)
Journal Article
Krishnan, K., Scutt, P., Woodhouse, L. J., Adami, A., Becker, J. L., Berge, E., Cala, L. A., Casado, A. M., Caso, V., Chen, C., Christensen, H., Collins, R., Czlonkowska, A., Dineen, R. A., Gommans, J., Koumellis, P., Lees, K. R., Ntaios, G., Ozturk, S., Phillips, S. J., …Bath, P. M. (in press). Glyceryl Trinitrate for Acute Intracerebral Hemorrhage: Results From the Efficacy of Nitric Oxide in Stroke (ENOS) Trial, a Subgroup Analysis. Stroke, 47(1), 44-52. https://doi.org/10.1161/strokeaha.115.010368

Background and purpose: The Efficacy of Nitric oxide in Stroke (ENOS) trial found that transdermal glyceryl trinitrate (GTN, a nitric oxide donor) lowered blood pressure but did not improve functional outcome in patients with acute stroke. However, G... Read More about Glyceryl Trinitrate for Acute Intracerebral Hemorrhage: Results From the Efficacy of Nitric Oxide in Stroke (ENOS) Trial, a Subgroup Analysis.

Safety and efficacy of intensive vs. guideline antiplatelet therapy in high-risk patients with recent ischemic stroke or transient ischemic attack: rationale and design of the Triple Antiplatelets for Reducing Dependency after Ischaemic Stroke (TARDIS) trial (ISRCTN47823388) (2015)
Journal Article
Beridze, M., Christensen, H., Dineen, R. A., Duley, L., Heptinstall, S., James, M., Markus, H., Pocock, S., Ranta, A., Robinson, T., Nikola, N., Venables, G., & Bath, P. M. (2015). Safety and efficacy of intensive vs. guideline antiplatelet therapy in high-risk patients with recent ischemic stroke or transient ischemic attack: rationale and design of the Triple Antiplatelets for Reducing Dependency after Ischaemic Stroke (TARDIS) trial (ISRCTN47823388). International Journal of Stroke, 10(7), https://doi.org/10.1111/ijs.12538

RATIONALE:

The risk of recurrence following a stroke or transient ischemic attack is high, especially immediately after the event.
HYPOTHESIS:

Because two antiplatelet agents are superior to one in patients with non-cardioembolic events, more... Read More about Safety and efficacy of intensive vs. guideline antiplatelet therapy in high-risk patients with recent ischemic stroke or transient ischemic attack: rationale and design of the Triple Antiplatelets for Reducing Dependency after Ischaemic Stroke (TARDIS) trial (ISRCTN47823388).

Performance characteristics of methods for quantifying spontaneous intracerebral haemorrhage: data from the Efficacy of Nitric Oxide in Stroke (ENOS) trial (2015)
Journal Article
Krishnan, K., Mukhtar, S. F., Dineen, R., Lingard, J., Houlton, A., Walker, E., Jones, T., Sprigg, N., Cala, L. A., Becker, J. L., Koumellis, P., Adami, A., Casado, A. M., Bath, P. M., & Wardlaw, J. M. (2015). Performance characteristics of methods for quantifying spontaneous intracerebral haemorrhage: data from the Efficacy of Nitric Oxide in Stroke (ENOS) trial. Journal of Neurology, Neurosurgery and Psychiatry, 86(11), 1258-1266. https://doi.org/10.1136/jnnp-2014-309845

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.

Functionally Relevant White Matter Degradation in Multiple Sclerosis: A Tract-based Spatial Meta-Analysis (2014)
Journal Article
Welton, T., Kent, D., Constantinescu, C. S., Auer, D. P., & Dineen, R. A. (2015). Functionally Relevant White Matter Degradation in Multiple Sclerosis: A Tract-based Spatial Meta-Analysis. Radiology, 275(1), 89-96. https://doi.org/10.1148/radiol.14140925

Purpose

To identify statistical consensus between published studies for distribution and functional relevance of tract white matter (WM) degradation in multiple sclerosis (MS).
Materials and Methods

By systematically searching online databases... Read More about Functionally Relevant White Matter Degradation in Multiple Sclerosis: A Tract-based Spatial Meta-Analysis.

Tranexamic acid for spontaneous intracerebral hemorrhage: a randomized controlled pilot trial (ISRCTN50867461) (2014)
Journal Article
a randomized controlled pilot trial (ISRCTN50867461). Journal of Stroke and Cerebrovascular Diseases, 23(6), 1312-1318. https://doi.org/10.1016/j.jstrokecerebrovasdis.2013.11.007

Background: Spontaneous intracerebral hemorrhage (ICH) can be devastating, particularly if hematoma expansion (HE) occurs. Tranexamic acid (TA), an antifibrinolytic drug, significantly reduced mortality in bleeding patients after trauma in the large... Read More about Tranexamic acid for spontaneous intracerebral hemorrhage: a randomized controlled pilot trial (ISRCTN50867461).