Johan Virhammar (J Virhammar)

Scopus Author ID ORCID

Publication Activity (10 Years)

Years Active: 2015-2024
Publications (10 Years): 12

Top Venues

AJNR. American journal of neuroradiology

Fluids and barriers of the CNS

Journal of neurology

European journal of neurology

Department of Neuroscience, Neurology

This page only lists publications with an associated author ORCID identifier.

Affiliation History

Department of Neuroscience, Neurology

Sweden

MD, PhD :: Uppsala University Hospital

Publications

Charalampos Georgiopoulos, Stergios Papadimitriou, Dag Nyholm, Lena Kilander, Malin Löwenmark, David Fällmar, Johan Virhammar
Quantitative brain stem assessment in discriminating neurodegenerative disorders from normal pressure hydrocephalus. Journal of neuroimaging : official journal of the American Society of Neuroimaging (2024)
Ahmed Abdelhak, Lorenzo Barba, Michele Romoli, Pascal Benkert, Francesco Conversi, Lucio D'Anna, Ruturaj R Masvekar, Bibiana Bielekova, Mercedes Prudencio, Leonard Petrucelli, James F Meschia, Young Erben, Roberto Furlan, Rebecca De Lorenzo, Alessandra Mandelli, Raoul Sutter, Lisa Hert, Varenka Epple, Damiano Marastoni, Johann Sellner, Petra Steinacker, Anne Hege Aamodt, Lars Heggelund, Anne Margarita Dyrhol-Riise, Johan Virhammar, David Fällmar, Elham Rostami, Eva Kumlien, Kaj Blennow, Henrik Zetterberg, Hayrettin Tumani, Simona Sacco, Ari J Green, Markus Otto, Jens Kuhle, Raffaele Ornello, Matteo Foschi, Markus Otto
Prognostic performance of blood neurofilament light chain protein in hospitalized COVID-19 patients without major central nervous system manifestations: an individual participant data meta-analysis. Journal of neurology (2023)
Isa Lindqvist, Janet L Cunningham, Jan Mulder, Amalia Feresiadou, Elham Rostami, Johan Virhammar, Eva Kumlien
Myoclonus in patients with COVID-19; findings of autoantibodies against brain structures in cerebral spinal fluid. European journal of neurology (2023)
Ahmed Abdelhak, Lorenzo Barba, Michele Romoli, Pascal Benkert, Francesco Conversi, Lucio D'Anna, Ruturaj R Masvekar, Bibiana Bielekova, Mercedes Prudencio, Leonard Petrucelli, James F Meschia, Young Erben, Roberto Furlan, Rebecca De Lorenzo, Alessandra Mandelli, Raoul Sutter, Lisa Hert, Varenka Epple, Damiano Marastoni, Johann Sellner, Petra Steinacker, Anne Hege Aamodt, Lars Heggelund, Anne Margarita Dyrhol-Riise, Johan Virhammar, David Fällmar, Elham Rostami, Eva Kumlien, Kaj Blennow, Henrik Zetterberg, Hayrettin Tumani, Simona Sacco, Ari J Green, Markus Otto, Jens Kuhle, Raffaele Ornello, Matteo Foschi, Markus Otto
Prognostic performance of blood neurofilament light chain protein in hospitalized COVID-19 patients without major central nervous system manifestations: an individual participant data meta-analysis. Journal of neurology (2023)
Madelene Braun, Gustaf Boström, Martin Ingelsson, Lena Kilander, Malin Löwenmark, Dag Nyholm, Joachim Burman, Valter Niemelä, Eva Freyhult, Kim Kultima, Johan Virhammar
Levels of inflammatory cytokines MCP-1, CCL4, and PD-L1 in CSF differentiate idiopathic normal pressure hydrocephalus from neurodegenerative diseases. Fluids and barriers of the CNS 20 (1) (2023)
Madelene Braun, Caroline Bjurnemark, Woosung Seo, Eva Freyhult, Dag Nyholm, Valter Niemelä, Kaj Blennow, Henrik Zetterberg, David Fällmar, Kim Kultima, Johan Virhammar
Higher levels of neurofilament light chain and total tau in CSF are associated with negative outcome after shunt surgery in patients with normal pressure hydrocephalus. Fluids and barriers of the CNS 19 (1) (2022)
Carl Snöbohm, Filip Malmberg, Eva Freyhult, Kim Kultima, David Fällmar, Johan Virhammar
White matter changes should not exclude patients with idiopathic normal pressure hydrocephalus from shunt surgery. Fluids and barriers of the CNS 19 (1) (2022)
Johan Virhammar, Anja Nääs, David Fällmar, Janet L Cunningham, Andrea Klang, Nicholas J Ashton, Sven Jackmann, Gabriel Westman, Robert Frithiof, Kaj Blennow, Henrik Zetterberg, Eva Kumlien, Elham Rostami
Biomarkers for central nervous system injury in cerebrospinal fluid are elevated in COVID-19 and associated with neurological symptoms and disease severity. European journal of neurology 28 (10) (2021)
Johan Virhammar, André Ahlgren, Kristina G Cesarini, Katarina Laurell, Elna-Marie Larsson
Cerebral Perfusion Does Not Increase after Shunt Surgery for Normal Pressure Hydrocephalus. Journal of neuroimaging : official journal of the American Society of Neuroimaging 30 (3) (2020)
J Shanks, Karin Markenroth Bloch, Katarina Laurell, K G Cesarini, Markus Fahlström, Elna-Marie Larsson, Johan Virhammar
Aqueductal CSF Stroke Volume Is Increased in Patients with Idiopathic Normal Pressure Hydrocephalus and Decreases after Shunt Surgery. AJNR. American journal of neuroradiology 40 (3) (2019)
Henrik Bådagård, Madelene Braun, Dag Nilsson, Lars Stridh, Johan Virhammar
Negative predictors of shunt surgery outcome in normal pressure hydrocephalus. Acta neurologica Scandinavica 141 (3) (2019)
Johan Virhammar, Katarina Laurell, A Ahlgren, Elna-Marie Larsson
Arterial Spin-Labeling Perfusion MR Imaging Demonstrates Regional CBF Decrease in Idiopathic Normal Pressure Hydrocephalus. AJNR. American journal of neuroradiology 38 (11) (2017)
Johan Virhammar, J B M Warntjes, Katarina Laurell, Elna-Marie Larsson
Quantitative MRI for Rapid and User-Independent Monitoring of Intracranial CSF Volume in Hydrocephalus. AJNR. American journal of neuroradiology 37 (5) (2015)

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Publication Activity (10 Years)

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Top Venues

Johan Virhammar (J Virhammar)