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

• Jonas Österlind ,

  Roles Conceptualization, Writing – original draft, Writing – review & editing

  * E-mail: jonas.osterlind@umu.se

  ¶☯ These authors contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Anesthesiology and Intensive Care, Umeå University, Umeå, Sweden

  https://orcid.org/0000-0001-7439-2711

  ⨯
• Johan Birnefeld ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Clinical Sciences, Neurosciences, Umeå University, Umeå, Sweden

  ⨯
• Elin Birnefeld ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Anesthesiology and Intensive Care, Umeå University, Umeå, Sweden

  ⨯
• Magnus Hultin ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Anesthesiology and Intensive Care, Umeå University, Umeå, Sweden

  https://orcid.org/0000-0003-2935-7161

  ⨯
• Sara Qvarlander ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Biomedical Engineering and Radiation Physics, Umeå University, Umeå, Sweden

  https://orcid.org/0000-0002-1454-4725

  ⨯
• Anders Wåhlin ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Umeå Centre for Functional Brain Imaging (UFBI), and Department of Applied Physics and Electronics, Umeå University, Umeå, Sweden

  ⨯
• Petter Holmlund ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Applied Physics and Electronics, Umeå University, Umeå, Sweden

  ⨯
• Laleh Zarrinkoob

  Contributed equally to this work with: Laleh Zarrinkoob

  Roles Supervision, Writing – review & editing

  ¶☯ These authors contributed equally to this work.

  Affiliation Department of Diagnostics and Intervention, Anesthesiology and Intensive Care, Umeå University, Umeå, Sweden

  ⨯