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D. Hojnacki · SciRah

Researcher profile · Semantic Scholar

D. Hojnacki

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D. Hojnacki — researcher profile on SciRah

h-index: 29
Works: 93
Citations: 2,660

Most-cited papers

Retinal nerve fiber layer thickness is associated with brain MRI outcomes in multiple sclerosis.
E. Grazioli, R. Zivadinov, B. Weinstock-Guttman, N. Lincoff +6 more
2008Journal of Neurological Sciences179 citations
Semantic Scholar
Cardiovascular risk factors are associated with increased lesion burden and brain atrophy in multiple sclerosis
Natalie Kappus, B. Weinstock-Guttman, J. Hagemeier, C. Kennedy +11 more
2015Journal of Neurology Neurosurgery & Psychiatry153 citations
Semantic Scholar
The severity of chronic cerebrospinal venous insufficiency in patients with multiple sclerosis is related to altered cerebrospinal fluid dynamics.
P. Zamboni, E. Menegatti, B. Weinstock-Guttman, C. Schirda +12 more
2009Functional Neurology125 citations
Semantic Scholar
Brain Iron at Quantitative MRI Is Associated with Disability in Multiple Sclerosis.
R. Zivadinov, E. Tavazzi, N. Bergsland, J. Hagemeier +9 more
2018Radiology118 citations Open access
Semantic Scholar
Leptomeningeal contrast enhancement is associated with progression of cortical atrophy in MS: A retrospective, pilot, observational longitudinal study
R. Zivadinov, D. Ramasamy, M. Vaněčková, S. Gandhi +7 more
2017Multiple Sclerosis115 citations
Semantic Scholar
Use of neck magnetic resonance venography, Doppler sonography and selective venography for diagnosis of chronic cerebrospinal venous insufficiency: a pilot study in multiple sclerosis patients and healthy controls.
D. Hojnacki, P. Zamboni, A. Lopez-Soriano, R. Galleotti +9 more
2010International Angiology97 citations
Semantic Scholar
Hypertension and heart disease are associated with development of brain atrophy in multiple sclerosis: a 5‐year longitudinal study
D. Jakimovski, Sirin Gandhi, Ivo Paunkoski, N. Bergsland +7 more
2018European Journal of Neurology96 citations Open access
Semantic Scholar
Gender-related differences in MS: a study of conventional and nonconventional MRI measures
R. Antulov, B. Weinstock-Guttman, JL Cox, S. Hussein +10 more
2009Multiple Sclerosis94 citations
Semantic Scholar
Chronic cerebrospinal venous insufficiency and iron deposition on susceptibility-weighted imaging in patients with multiple sclerosis: a pilot case-control study.
R. Zivadinov, C. Schirda, M. Dwyer, M. Haacke +15 more
2010International Angiology87 citations
Semantic Scholar
Prevalence, sensitivity, and specificity of chronic cerebrospinal venous insufficiency in MS
R. Zivadinov, K. Marr, G. Cutter, M. Ramanathan +12 more
2011Neurology79 citations
Semantic Scholar
Value of MR Venography for Detection of Internal Jugular Vein Anomalies in Multiple Sclerosis: A Pilot Longitudinal Study
R. Zivadinov, R. Galeotti, D. Hojnacki, E. Menegatti +10 more
2011American Journal of Neuroradiology71 citations Open access
Semantic Scholar
Cerebral Microbleeds in Multiple Sclerosis Evaluated on Susceptibility-weighted Images and Quantitative Susceptibility Maps: A Case-Control Study.
R. Zivadinov, D. Ramasamy, R. Benedict, P. Polak +11 more
2016Radiology68 citations
Semantic Scholar
Iron Deposition on SWI-Filtered Phase in the Subcortical Deep Gray Matter of Patients with Clinically Isolated Syndrome May Precede Structure-Specific Atrophy
J. Hagemeier, B. Weinstock-Guttman, N. Bergsland, M. Heininen-Brown +6 more
2012American Journal of Neuroradiology67 citations Open access
Semantic Scholar
Decreased brain venous vasculature visibility on susceptibility-weighted imaging venography in patients with multiple sclerosis is related to chronic cerebrospinal venous insufficiency
R. Zivadinov, G. Poloni, K. Marr, C. Schirda +8 more
2011BMC Neurology64 citations Open access
Semantic Scholar
Atrophied Brain T2 Lesion Volume at MRI Is Associated with Disability Progression and Conversion to Secondary Progressive Multiple Sclerosis.
Antonia Valentina Genovese, J. Hagemeier, N. Bergsland, D. Jakimovski +7 more
2019Radiology63 citations Open access
Semantic Scholar
Increased tissue damage and lesion volumes in African Americans with multiple sclerosis
B. Weinstock-Guttman, M. Ramanathan, Komal Hashmi, N. Abdelrahman +6 more
2010Neurology62 citations
Semantic Scholar
Cine cerebrospinal fluid imaging in multiple sclerosis
C. Magnano, C. Schirda, B. Weinstock-Guttman, D. Wack +9 more
2012Journal of Magnetic Resonance Imaging54 citations
Semantic Scholar
Risk Factors for Chronic Cerebrospinal Venous Insufficiency (CCSVI) in a Large Cohort of Volunteers
K. Dolić, B. Weinstock-Guttman, K. Marr, Vesela Valnarov +7 more
2011PLoS ONE53 citations Open access
Semantic Scholar
Prevalence of Radiologically Isolated Syndrome and White Matter Signal Abnormalities in Healthy Relatives of Patients with Multiple Sclerosis
T. Gabelić, D. Ramasamy, B. Weinstock-Guttman, J. Hagemeier +5 more
2014American Journal of Neuroradiology51 citations Open access
Semantic Scholar
Aging and Brain Atrophy in Multiple Sclerosis
E. Ghione, N. Bergsland, M. Dwyer, J. Hagemeier +8 more
2019Journal of Neuroimaging50 citations
Semantic Scholar
Evaluation of Leptomeningeal Contrast Enhancement Using Pre-and Postcontrast Subtraction 3D-FLAIR Imaging in Multiple Sclerosis
R. Zivadinov, D. Ramasamy, J. Hagemeier, C. Kolb +5 more
2018American Journal of Neuroradiology49 citations Open access
Semantic Scholar
Intra- and Extraluminal Structural and Functional Venous Anomalies in Multiple Sclerosis, as Evidenced by 2 Noninvasive Imaging Techniques
Kresimir Dolic, K. Marr, Vesela Valnarov, M. Dwyer +10 more
2012American Journal of Neuroradiology46 citations Open access
Semantic Scholar
Brain Atrophy is Associated with Disability Progression in MS Patients Followed in a Clinical Routine
E. Ghione, N. Bergsland, M. Dwyer, J. Hagemeier +9 more
2018American Journal of Neuroradiology44 citations Open access
Semantic Scholar
Aqueductal cerebrospinal fluid pulsatility in healthy individuals is affected by impaired cerebral venous outflow
C. B. Beggs, C. Magnano, S. J. Shepherd, K. Marr +9 more
2014Journal of Magnetic Resonance Imaging43 citations Open access
Semantic Scholar
Response heterogeneity to home-based restorative cognitive rehabilitation in multiple sclerosis: An exploratory study.
T. Fuchs, Stefano Ziccardi, M. Dwyer, L. Charvet +13 more
2019Multiple Sclerosis and Related Disorders39 citations
Semantic Scholar
Leptomeningeal contrast enhancement is related to focal cortical thinning in relapsing remitting multiple sclerosis: a cross-sectional MRI study
N. Bergsland, D. Ramasamy, E. Tavazzi, D. Hojnacki +2 more
2019American Journal of Neuroradiology38 citations Open access
Semantic Scholar
Dicer and microRNA expression in Multiple Sclerosis and response to interferon therapy
W. Magner, B. Weinstock-Guttman, M. Rho, D. Hojnacki +3 more
2016Journal of Neuroimmunology38 citations Open access
Semantic Scholar
Autoimmune Comorbidities Are Associated with Brain Injury in Multiple Sclerosis
R. Zivadinov, B. Raj, M. Ramanathan, B. Teter +7 more
2016American Journal of Neuroradiology38 citations Open access
Semantic Scholar
Cumulative gadodiamide administration leads to brain gadolinium deposition in early MS
R. Zivadinov, N. Bergsland, J. Hagemeier, D. Ramasamy +5 more
2019Neurology34 citations Open access
Semantic Scholar
Quantifying cognition and fatigue to enhance the sensitivity of the EDSS during relapses
S. Morrow, Devon S. Conway, T. Fuchs, Curtis M Wojcik +9 more
2020Multiple Sclerosis28 citations
Semantic Scholar
Functional Connectivity and Structural Disruption in the Default‐Mode Network Predicts Cognitive Rehabilitation Outcomes in Multiple Sclerosis
T. Fuchs, Stefano Ziccardi, R. Benedict, A. Bartnik +14 more
2020Journal of Neuroimaging27 citations
Semantic Scholar
Ocrelizumab: a B-cell depleting therapy for multiple sclerosis
D. Jakimovski, B. Weinstock-Guttman, M. Ramanathan, C. Kolb +3 more
2017Expert Opinion on Biological Therapy27 citations
Semantic Scholar
Prior Asymptomatic Parenchymal Hemorrhage Does Not Increase the Risk for Intracranial Hemorrhage after Intravenous Thrombolysis
Mahmoud A. AbdelRazek, A. Mowla, D. Hojnacki, Wendy Zimmer +9 more
2015Cerebrovascular Diseases25 citations
Semantic Scholar
Late onset multiple sclerosis is associated with more severe ventricle expansion.
D. Jakimovski, D. Dujmić, J. Hagemeier, D. Ramasamy +8 more
2020Multiple Sclerosis and Related Disorders24 citations
Semantic Scholar
Leptomeningeal, dura mater and meningeal vessel wall enhancements in multiple sclerosis.
Franziska E. Hildesheim, D. Ramasamy, N. Bergsland, D. Jakimovski +7 more
2020Multiple Sclerosis and Related Disorders23 citations
Semantic Scholar
Sex‐Specific Differences in Life Span Brain Volumes in Multiple Sclerosis
D. Jakimovski, R. Zivadinov, N. Bergsland, D. Ramasamy +5 more
2020Journal of Neuroimaging23 citations Open access
Semantic Scholar
Long-standing multiple sclerosis neurodegeneration: volumetric MRI comparison to Parkinson’s disease, mild cognitive impairment and Alzheimer’s disease and elderly healthy controls
D. Jakimovski, N. Bergsland, M. Dwyer, J. Hagemeier +8 more
2020Neurobiology of Aging22 citations Open access
Semantic Scholar
Effect of Teriflunomide and Dimethyl Fumarate on Cortical Atrophy and Leptomeningeal Inflammation in Multiple Sclerosis: A Retrospective, Observational, Case-Control Pilot Study
R. Zivadinov, N. Bergsland, E. Carl, D. Ramasamy +6 more
2019Journal of Clinical Medicine22 citations Open access
Semantic Scholar
COVID-19 Vaccination in Multiple Sclerosis and Inflammatory Diseases: Effects from Disease-Modifying Therapy, Long-Term Seroprevalence and Breakthrough Infections
D. Jakimovski, Karen Zakalik, S. Awan, Katelyn S. Kavak +9 more
2022Vaccines21 citations Open access
Semantic Scholar
Effect of teriflunomide on gray and white matter brain pathology in multiple sclerosis using volumetric and diffusion-tensor imaging MRI measures.
R. Zivadinov, N. Bergsland, J. Hagemeier, E. Carl +3 more
2018Journal of Neurological Sciences20 citations
Semantic Scholar
Effect of natalizumab on brain atrophy and disability progression in multiple sclerosis patients over 5 years
R. Zivadinov, D. Hojnacki, N. Bergsland, C. Kennedy +7 more
2016European Journal of Neurology20 citations
Semantic Scholar
Randomised natalizumab discontinuation study: taper protocol may prevent disease reactivation
B. Weinstock-Guttman, J. Hagemeier, Katelyn S. Kavak, Vasu Saini +6 more
2016Journal of Neurology Neurosurgery & Psychiatry20 citations
Semantic Scholar
Effect of Treatment with Interferon Beta-1a on Changes in Voxel-Wise Magnetization Transfer Ratio in Normal Appearing Brain Tissue and Lesions of Patients with Relapsing–Remitting Multiple Sclerosis: A 24-Week, Controlled Pilot Study
R. Zivadinov, M. Dwyer, S. Markovic-Plese, C. Kennedy +7 more
2014PLoS ONE20 citations Open access
Semantic Scholar
No Association Between Conventional Brain MR Imaging and Chronic Cerebrospinal Venous Insufficiency in Multiple Sclerosis
R. Zivadinov, G. Cutter, K. Marr, M. Ramanathan +11 more
2012American Journal of Neuroradiology19 citations Open access
Semantic Scholar
Fingolimod anti‐inflammatory and neuroprotective effects modulation of RAGE axis in multiple sclerosis patients
Z. Sternberg, C. Kolb, K. Chadha, Adam Nir +5 more
2018Neuropharmacology17 citations
Semantic Scholar
The Effect of Glatiramer Acetate on Retinal Nerve Fiber Layer Thickness in Patients with Relapsing–Remitting Multiple Sclerosis: A Longitudinal Optical Coherence Tomography Study
R. Zivadinov, E. Tavazzi, J. Hagemeier, E. Carl +3 more
2018CNS Drugs16 citations
Semantic Scholar
MRI characteristics of familial and sporadic multiple sclerosis patients
A. Tipirneni, B. Weinstock-Guttman, M. Ramanathan, N. Abdelrahman +7 more
2013Multiple Sclerosis16 citations
Semantic Scholar
Heart disease, overweight, and cigarette smoking are associated with increased prevalence of extra-cranial venous abnormalities
K. Dolić, B. Weinstock-Guttman, K. Marr, Vesela Valnarov +7 more
2012Neurological Research16 citations
Semantic Scholar
Detecting isolated cognitive relapses in persons with MS
Sara Morrow, Zachary L Weinstock, Omid Mirmosayyeb, Devon S. Conway +8 more
2023Multiple Sclerosis14 citations Open access
Semantic Scholar
Tixagevimab and Cilgavimab (Evusheld™) Prophylaxis Prevents Breakthrough COVID-19 Infections in Immunosuppressed Population: 6-Month Prospective Study
D. Jakimovski, Svetlana P. Eckert, Omid Mirmosayyeb, Sangharsha Thapa +3 more
2023Vaccines14 citations Open access
Semantic Scholar

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