All Outputs (15)

Generalising XTRACT tractography protocols across common macaque brain templates (2024)
Journal Article
Assimopoulos, S., Warrington, S., Bryant, K. L., Pszczolkowski, S., Jbabdi, S., Mars, R. B., & Sotiropoulos, S. N. (2024). Generalising XTRACT tractography protocols across common macaque brain templates. Brain Structure and Function, https://doi.org/10.1007/s00429-024-02760-0

Non-human primates are extensively used in neuroscience research as models of the human brain, with the rhesus macaque being a prominent example. We have previously introduced a set of tractography protocols (XTRACT) for reconstructing 42 correspondi... Read More about Generalising XTRACT tractography protocols across common macaque brain templates.

Connectivity-guided intermittent theta burst versus repetitive transcranial magnetic stimulation for treatment-resistant depression: a randomized controlled trial (2024)
Journal Article
Morriss, R., Briley, P. M., Webster, L., Abdelghani, M., Barber, S., Bates, P., …Auer, D. P. (2024). Connectivity-guided intermittent theta burst versus repetitive transcranial magnetic stimulation for treatment-resistant depression: a randomized controlled trial. Nature Medicine, 30, 403–413. https://doi.org/10.1038/s41591-023-02764-z

Disruption in reciprocal connectivity between the right anterior insula and the left dorsolateral prefrontal cortex is associated with depression and may be a target for neuromodulation. In a five-center, parallel, double-blind, randomized controlled... Read More about Connectivity-guided intermittent theta burst versus repetitive transcranial magnetic stimulation for treatment-resistant depression: a randomized controlled trial.

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.

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.

Connectivity-Guided Theta Burst Transcranial Magnetic Stimulation Versus Repetitive Transcranial Magnetic Stimulation for Treatment-Resistant Moderate to Severe Depression: Magnetic Resonance Imaging Protocol and SARS-CoV-2–Induced Changes for a Randomized Double-blind Controlled Trial (2022)
Journal Article
Pszczolkowski, S., Cottam, W. J., Briley, P. M., Iwabuchi, S. J., Kaylor-Hughes, C., Shalabi, A., …Morriss, R. (2022). Connectivity-Guided Theta Burst Transcranial Magnetic Stimulation Versus Repetitive Transcranial Magnetic Stimulation for Treatment-Resistant Moderate to Severe Depression: Magnetic Resonance Imaging Protocol and SARS-CoV-2–Induced Changes for a Randomized Double-blind Controlled Trial. JMIR Research Protocols, 11(1), Article e31925. https://doi.org/10.2196/31925

Background: Depression is a substantial health and economic burden. In approximately one-third of patients, depression is resistant to first-line treatment; therefore, it is essential to find alternative treatments. Transcranial magnetic stimulation... Read More about Connectivity-Guided Theta Burst Transcranial Magnetic Stimulation Versus Repetitive Transcranial Magnetic Stimulation for Treatment-Resistant Moderate to Severe Depression: Magnetic Resonance Imaging Protocol and SARS-CoV-2–Induced Changes for a Randomized Double-blind Controlled Trial.

Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage (2021)
Journal Article
Pszczolkowski, S., Manzano-Patrón, 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 clinical... Read More about Quantitative CT radiomics-based models for prediction of haematoma expansion and poor functional outcome in primary intracerebral haemorrhage.

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.

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., …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.

Connectivity guided theta burst transcranial magnetic stimulation versus repetitive transcranial magnetic stimulation for treatment-resistant moderate to severe depression: study protocol for a randomised double-blind controlled trial (BRIGhTMIND) (2020)
Journal Article
Morriss, R., Webster, L., Abdelghani, M., Auer, D., Barber, S., Bates, P., …Walters, Y. (2020). Connectivity guided theta burst transcranial magnetic stimulation versus repetitive transcranial magnetic stimulation for treatment-resistant moderate to severe depression: study protocol for a randomised double-blind controlled trial (BRIGhTMIND). BMJ Open, 10(7), Article e038430. https://doi.org/10.1136/bmjopen-2020-038430

Introduction The BRIGhTMIND study aims to determine the clinical effectiveness, cost effectiveness and mechanism of action of connectivity guided intermittent Theta Burst Stimulation (cgiTBS) versus standard repetitive Transcranial Magnetic Stimulati... Read More about Connectivity guided theta burst transcranial magnetic stimulation versus repetitive transcranial magnetic stimulation for treatment-resistant moderate to severe depression: study protocol for a randomised double-blind controlled trial (BRIGhTMIND).

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.

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., …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.

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., …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.

Recruitment challenges in MRI studies of acute intracerebral haemorrhage: experience from the TICH-2 MRI substudy (2018)
Conference Proceeding
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.

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.

A robust similarity measure for volumetric image registration with outliers (2016)
Journal Article
Snape, P., Pszczolkowski, S., Zafeiriou, S., Tzimiropoulos, G., Ledig, C., & Rueckert, D. (2016). A robust similarity measure for volumetric image registration with outliers. Image and Vision Computing, 52, https://doi.org/10.1016/j.imavis.2016.05.006

Image registration under challenging realistic conditions is a very important area of research. In this paper, we focus on algorithms that seek to densely align two volumetric images according to a global similarity measure. Despite intensive researc... Read More about A robust similarity measure for volumetric image registration with outliers.