Author

Johan Birnefeld

Observed name: Birnefeld, Johan

Institutions: University Hospital of Umeå, Umeå University

Observed institutions: University Hospital of Umeå, Umeå University

ORCID: 0000-0001-6331-4283

Observed ORCID: 0000-0001-6331-4283

OpenAlex ID: A5083845566

Cerebral arterial pulsatility is associated with features of small vessel disease in patients with acute stroke and TIA: a 4D flow MRI study

2019 · Johan Birnefeld, Anders Wåhlin, et al. · Journal of Neurology · 46

Cerebral arterial stiffness is linked to white matter hyperintensities and perivascular spaces in older adults – A 4D flow MRI study

2024 · Cecilia Björnfot, Anders Eklund, et al. · Journal of Cerebral Blood Flow & Metabolism · 29

Cerebral Blood Flow Assessed with Phase-contrast Magnetic Resonance Imaging during Blood Pressure Changes with Noradrenaline and Labetalol: A Trial in Healthy Volunteers

2023 · Johan Birnefeld, Karl Petersson, et al. · Anesthesiology · 14

Hemodynamic Disturbances in Posterior Circulation Stroke: 4D Flow Magnetic Resonance Imaging Added to Computed Tomography Angiography

2021 · Jan Malm, Johan Birnefeld, et al. · Frontiers in Neuroscience · 5

Cerebral Blood Flow under Pressure: Investigating Cerebrovascular Compliance with Phase-contrast Magnetic Resonance Imaging during Induced Hypertension

2025 · Jonas Österlind, Johan Birnefeld, et al. · Anesthesiology · 3

Study protocol: MRI-based assessment of cerebral blood flow under pharmacologically elevated blood pressure in patients under general anesthesia, and in sedated ICU patients with aneurysmal subarachnoid hemorrhage

2025 · Jonas Österlind, Johan Birnefeld, et al. · PLoS ONE · 1

Pressure is not flow: Rethinking blood pressure as a surrogate for cerebral blood flow during general anesthesia

2026 · Jonas Österlind, Petter Holmlund, et al. · medRxiv

[Transport the thrombectomist to the patient].

2026 · Boglárka Tot, Johan Birnefeld, et al. · PubMed

Works count: 9

Citation count: 98

H-index: 4

I10-index: 3