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- Tobias Hallén
Tobias Hallén
Docent
Department of Clinical Neuroscience-
Assessing Brain Injury After Extra-Axial Brain Tumor Resection: Circulating Neurofilament Light Levels, Neurological Deficits, and
Fatigue
Isak Michaëlsson, Tobias Hallén, Dan Farahmand, Ubah Mahamud, Kaj Blennow, Henrik Zetterberg, Asgeir Store Jakola, Thomas Skoglund
Neurosurgery - 2026 -
Brain injury biomarkers and intraoperative hypotension: associations with pituitary hormone deficiency following transsphenoidal endoscopic surgery for non-functioning pituitary
adenomas
Martin Thorsson, Penelope Trimpou, M. Asztély, Tobias Hallén, Victor Hantelius, Kaj Blennow, Henrik Zetterberg, Gudmundur Johannsson, Jonatan Oras, Thomas Skoglund
Pituitary - 2026 -
Long-term explantation risk in patients with chronic pain treated with spinal cord or dorsal root ganglion
stimulation
Kliment Gatzinsky, Beatrice Brink, Kristín Lilja Eyglóardóttir, Tobias Hallén
REGIONAL ANESTHESIA AND PAIN MEDICINE - 2025 -
Objective, long-term mobility data in patients with chronic pain after lumbar spine surgery treated with spinal cord stimulation - A prospective, multicenter
trial
Tobias Hallén, Kaare Meier, Jan Willem Kallewaard, Bart Billet, Lars Elzinga, Johannes Schapendonk, Eric Van Den Bosch, Xander Zuidema, Kristín Lilja Eyglóardóttir, Helga Gulisano, Kliment Gatzinsky
Regional Anesthesia and Pain Medicine - 2025 -
Dynamic osteodistraction with springs - the Gothenburg experience of spring-assisted
cranioplasty.
Peter Tarnow, Giovanni Maltese, Madiha Bhatti Søfteland, Karin Säljö, Björn Holmström, Robert Olsson, Tobias Hallén, Lars Kölby
Journal of plastic surgery and hand surgery - 2025 -
Prevalence and treatment outcomes of hydrocephalus among children with craniofacial
syndromes
Saga Jönsson, Daniel Nilsson, Peter Tarnow, Giovanni Maltese, Madiha Bhatti Søfteland, Lars Kölby, Tobias Hallén
Journal of plastic surgery and hand surgery - 2025 -
Cognitive function and fatigue before and after transsphenoidal surgery in patients with pituitary adenoma: a prospective
study
David Krabbe, Tamar Abzhandadze, Thomas Skoglund, Tobias Hallén, Daniel S Olsson, Victor Hantelius, Oskar Ragnarsson, Sofie Jakobsson, Gudmundur Johannsson, Katharina Stibrant Sunnerhagen
PITUITARY - 2025 -
Person-centered support for patients with a pituitary tumor following
surgery
Sofie Jakobsson, Oskar Ragnarsson, Tobias Hallén, David Krabbe, Ann-Charlotte Olofsson, Daniel S Olsson, Penelope Trimpou, Thomas Skoglund, Gudmundur Johannsson
Endocrine Connections - 2025 -
Long-term clinical outcome of 103 patients with acromegaly after pituitary
surgery
Anna Pennlund, Daniela Esposito, Thomas Olsson Bontell, Thomas Skoglund, Tobias Hallén, Helena Carén, Gudmundur Johannsson, Daniel S Olsson
PITUITARY - 2025 -
Proteomic profiles associated with postsurgical progression in non-functioning pituitary
adenomas.
Tobias Hallén, Gudmundur Johannsson, Annika Thorsell, Daniel S Olsson, Charlotte Örndal, Angelica Engvall, Frida Jacobsson, Anna Widgren, Jonas Bergquist, Thomas Skoglund
The Journal of clinical endocrinology and metabolism - 2024 -
Staged dissection reduces blood loss in surgery for metopic
synostosis.
Anna Sundelin, Madiha Bhatti Søfteland, Ingrid Stubelius, Tobias Hallén, Robert Olsson, Giovanni Maltese, Peter Tarnow, Karin Säljö, Lars Kölby
Journal of Plastic Surgery and Hand Surgery - 2024 -
Headache in patients with non-functioning pituitary adenoma before and after transsphenoidal surgery - a prospective
study.
Victor Hantelius, Oskar Ragnarsson, Gudmundur Johannsson, Daniel S Olsson, Sofie Jakobsson, Erik Thurin, Dan Farahmand, Thomas Skoglund, Tobias Hallén
Pituitary - 2024 -
Spring-assisted posterior vault expansion in children over 2 years of age with
craniosynostosis.
Karin Säljö, Madiha Bhatti Søfteland, Peter Tarnow, Robert Olsson, Tobias Hallén, Wen-Chih Chao, Lars Kölby, Giovanni Maltese
Journal of Plastic Surgery and Hand Surgery - 2024 -
Cognitive function in pituitary adenoma patients: A cross-sectional
study.
David Krabbe, Katharina Stibrant Sunnerhagen, Daniel S Olsson, Tobias Hallén, Oskar Ragnarsson, Thomas Skoglund, Gudmundur Johannsson
PLOS ONE - 2024 -
Circulating Brain Injury Biomarkers for Predicting Outcomes Following Elective Neurosurgery: A Scoping
Review
Kristín Lilja Eyglóardóttir, Isak Michaëlsson, Tobias Hallén, Asgeir Store Jakola, Thomas Skoglund
WORLD NEUROSURGERY - 2024 -
Correction of Unicoronal Synostosis With Springs: Two Patients With Improved Facial
Symmetry
Madiha Bhatti Søfteland, Jonas Mellgren, Karin Säljö, Peter Tarnow, Giovanni Maltese, Robert Olsson, Tobias Hallén, Lars Kölby
JOURNAL OF CRANIOFACIAL SURGERY - 2024 -
Improved Facial and Skull-base Symmetry Following Osteotomy and Distraction of Unilateral Coronal
Synostosis.
Jonas Mellgren, Karin Säljö, Peter Tarnow, Giovanni Maltese, Madiha Bhatti Søfteland, Robert Olsson, Tobias Hallén, Lars Kölby
Plastic and reconstructive surgery - 2024 -
Circulating Brain-Injury Markers After Surgery for
Craniosynostosis
Isak Michaëlsson, Thomas Skoglund, Tobias Hallén, Robert Olsson, Giovanni Maltese, Peter Tarnow, Madiha Bhatti Søfteland, Henrik Zetterberg, Kaj Blennow, Lars Kölby
World Neurosurgery - 2023 -
Hypotension during transsphenoidal pituitary surgery associated with increase in plasma levels of brain injury
markers.
Martinn Thorsson, Tobias Hallén, Daniel S Olsson, Kaj Blennow, Henrik Zetterberg, Gudmundur Johannsson, Thomas Skoglund, Jonatan Oras
Acta anaesthesiologica Scandinavica - 2023 -
Circulating Brain Injury Biomarkers: A Novel Method for Quantification of the Impact on the Brain After Tumor
Surgery.
Isak Michaëlsson, Tobias Hallén, Louise Carstam, Mats Laesser, Isabella Björkman-Burtscher, Ann Sörbo, Kaj Blennow, Henrik Zetterberg, Asgeir Store Jakola, Thomas Skoglund
Neurosurgery - 2023 -
Is a drainage time of less than 24 h sufficient after chronic subdural hematoma
evacuation?
Andreas Bartley, Tobias Hallén, Magnus Tisell
Acta Neurochirurgica - 2023 -
Genome-Wide DNA Methylation Differences in Nonfunctioning Pituitary Adenomas With and Without Postsurgical
Progression
Tobias Hallén, Gudmundur Johannsson, Rahil Dahlén, Camilla A M Glad, C. Orndal, A. Engvall, Helena Carén, Thomas Skoglund, Daniel S Olsson
Journal of Clinical Endocrinology & Metabolism - 2022 -
Long-Term Outcomes and Complications from Endoscopic Versus Microscopic Transsphenoidal Surgery for Cushing?s Disease: A 15-Year Single-Center
Study
Penelope Trimpou, Erika Backlund, Oskar Ragnarsson, Thomas Skoglund, Tobias Hallén, Gunnhildur Gudnadottir, Jeanette Carlqvist, Dan Farahmand
World Neurosurgery - 2022 -
Sinonasal Symptoms and Self-Reported Health before and after Endoscopic Pituitary Surgery-A Prospective
Study
Tobias Hallén, Daniel S Olsson, Dan Farahmand, Daniela Esposito, Ann Charlotte Olofsson, Sofie Jakobsson, Eva Jakobsson Ung, Pernilla Sahlstrand-Johnson, Gudmundur Johannsson, Thomas Skoglund, Henrik Bergquist
Journal of Neurological Surgery, Part B: Skull Base - 2022 -
Headache Before and After Endoscopic Transsphenoidal Pituitary Tumor Surgery: A Prospective
Study
Agnes Andersson, Tobias Hallén, Daniel S Olsson, Dan Farahmand, A. C. Olofsson, Eva Jakobsson Ung, Sofie Jakobsson, Henrik Bergquist, Gudmundur Johannsson, Oskar Ragnarsson, Thomas Skoglund
Journal of Neurological Surgery Part B-Skull Base - 2022 -
Circulating brain injury biomarkers increase after endoscopic surgery for pituitary
tumors.
Tobias Hallén, Daniel S Olsson, Casper Hammarstrand, Dan Farahmand, Ann-Charlotte Olofsson, Eva Jakobsson Ung, Sofie Jakobsson, Henrik Bergquist, Kaj Blennow, Henrik Zetterberg, Gudmundur Johannsson, Thomas Skoglund
Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia - 2021 -
MCM7 as a marker of postsurgical progression in non-functioning pituitary
adenomas.
Tobias Hallén, Daniel S Olsson, Casper Hammarstrand, Charlotte Örndal, Angelica Engvall, Oskar Ragnarsson, Thomas Skoglund, Gudmundur Johannsson
European journal of endocrinology - 2021 -
Pituitary Tumor Surgery - factors influencing
outcome
Tobias Hallén
2021 -
Extended Support Within a Person-Centered Practice After Surgery for Patients With Pituitary Tumors: Protocol for a Quasiexperimental
Study.
Sofie Jakobsson, Daniel S Olsson, Eva Andersson, Tobias Hallén, David Krabbe, Ann-Charlotte Olofsson, Oskar Ragnarsson, Thomas Skoglund, Gudmundur Johannsson, Eva Jakobsson
JMIR research protocols - 2020 -
Life expectancy in patients with pituitary adenoma receiving growth hormone
replacement.
Daniel S Olsson, Penelope Trimpou, Tobias Hallén, Ing-Liss Bryngelsson, Eva Andersson, Thomas Skoglund, Bengt-Åke Bengtsson, Gudmundur Johannsson, Anna G Nilsson
European journal of endocrinology - 2017