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Christian Andre Helland's picture

Christian Andre Helland

Professor
  • E-mailChristian.Helland@uib.no
  • Visitor Address
    Haukeland Universitetssykehus Laboratoriebygget, 7. etg. Heis øst
  • Postal Address
    Postboks 7804
    5020 Bergen
Academic article
  • Moss, Thomas Totland; Helland, Christian Andre; Mørkve, Svein Harald; Wester, Knut. 2019. Surgical decompression of arachnoid cysts leads to improved quality of life: a prospective study-long-term follow-up. Acta Neurochirurgica. 2253-2263.
  • Bøthun, Marianne Lundervik; Haaland, Øystein Ariansen; Moen, Gunnar; Logallo, Nicola; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre. 2019. Impaired cerebrovascular reactivity may predict delayed cerebral ischemia after aneurysmal subarachnoid hemorrhage. Journal of the Neurological Sciences. 1-10.
  • Gjerde, Priyanthi Borgen; Litleskare, Sverre; Lura, Njål Gjærde; Tangen, Tone; Helland, Christian Andre; Wester, Knut. 2019. Anxiety and depression in patients with intracranial arachnoid cysts-A prospective study. World Neurosurgery. e645-e653.
  • Bøthun, Marianne Lundervik; Haaland, Øystein Ariansen; Logallo, Nicola; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre. 2018. Time course of cerebrovascular reactivity in patients treated for unruptured intracranial aneurysms: A one-year transcranial Doppler and acetazolamide follow-up study. BioMed Research International. 1-9.
  • Skodvin, Torbjørn; Evju, Øyvind; Helland, Christian Andre; Isaksen, Jørgen Gjernes. 2017. Rupture prediction of intracranial aneurysms: a nationwide matched case-control study of hemodynamics at the time of diagnosis. Journal of Neurosurgery. 854-860.
  • Mørkve, Svein Harald; Helland, Christian Andre; Assmus, Jörg; Lund-Johansen, Morten; Wester, Knut. 2016. Surgical decompression of arachnoid cysts leads to improved quality of life: A prospective study. Neurosurgery. 613-625.
  • Bøthun, Marianne Lundervik; Haaland, Øystein Ariansen; Logallo, Nicola; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre. 2016. Cerebrovascular reactivity after treatment of unruptured intracranial aneurysms - a transcranial Doppler sonography and acetazolamide study. Journal of the Neurological Sciences. 97-103.
  • Tunes, Camilla; Flønes, Irene Hana; Helland, Christian Andre; Goplen, Frederik Kragerud; Wester, Knut. 2015. Disequilibrium in patients with posterior fossa arachnoid cysts. Acta Neurologica Scandinavica. 23-30.
  • Logallo, Nicola; Bøthun, Marianne Lundervik; Guttormsen, Anne Berit; Holmaas, Gunhild; Kråkenes, Jostein; Thomassen, Lars; Svendsen, Frode; Helland, Christian Andre. 2015. Continuous Local Intra-Arterial Nimodipine for the Treatment of Cerebral Vasospasm. Journal of Neurological Surgery Reports. e75-78.
  • Tunes, Camilla; Flønes, Irene Hana; Helland, Christian Andre; Wilhelmsen, Kjersti Thulin; Goplen, Frederik Kragerud; Wester, Knut. 2014. Pre- and post-operative dizziness and postural instability in temporal arachnoid cyst patients. Acta Neurologica Scandinavica. 335-342.
  • Kommedal, Øyvind; Wilhelmsen, Marianne; Skrede, Steinar; Meisal, Roger; Jakovljev, Aleksandra; Gaustad, Peter; Hermansen, Nils Olav; Vik-Mo, Einar O.; Solheim, Ole; Ambur, Ole Herman; Sæbø, Øystein; Høstmælingen, Christina; Helland, Christian Andre. 2014. Massive parallel sequencing provides new perspectives on bacterial brain abscesses. Journal of Clinical Microbiology. 1990-1997.
  • Bøthun, Marianne Lundervik; Fromm, Annette; Haaland, Øystein; Waje-Andreassen, Ulrike; Svendsen, Frode; Thomassen, Lars; Helland, Christian Andre. 2014. Carotid intima-media thickness - a potential predictor for rupture risk of intracranial aneurysms. International Journal of Stroke. 866-872.
  • Berle, Magnus Foldal; Kroksveen, Ann Cathrine; Garberg, Hilde Kristin; Aarhus, Mads; Haaland, Øystein; Wester, Knut; Ulvik, Rune Johan; Helland, Christian Andre; Berven, Frode. 2013. Quantitative proteomics comparison of arachnoid cyst fluid and cerebrospinal fluid collected perioperatively from arachnoid cyst patients. Fluids and Barriers of the CNS.
  • Isaksen, Elisabeth; Leet, Therese Hamre; Helland, Christian Andre; Wester, Knut. 2013. Maze learning in patients with intracranial arachnoid cysts. Acta Neurochirurgica. 841-848.
  • Sundstrøm, Terje; Helland, Christian Andre; Aarhus, Mads; Wester, Knut. 2012. What is the pressure in chronic subdural hematomas? A prospective, population-based study. Journal of Neurotrauma. 137-142.
  • Berle, Magnus Foldal; Kroksveen, Ann Cathrine; Haaland, Øystein; Aye, Thin Thin; Opsahl, Jill Anette; Wester, Knut; Ulvik, Rune Johan; Helland, Christian Andre; Berven, Frode. 2011. Protein profiling reveals inter-individual protein homogeneity of arachnoid cyst fluid and high qualitative similarity to cerebrospinal fluid. Fluids and Barriers of the CNS.
  • Torgersen, Johan; Helland, Christian Andre; Flaatten, Hans; Wester, Knut. 2010. Reversible dyscognition in patients with a unilateral, middle fossa arachnoid cyst revealed by using a laptop based neuropsychological test battery (CANTAB). Journal of Neurology. 1909-1916.
  • Aarhus, Mads; Helland, Christian Andre; Lund-Johansen, Morten; Wester, Knut; Knappskog, Per Morten. 2010. Microarray-based gene expression profiling and DNA copy number variation analysis of temporal fossa arachnoid cysts. Cerebrospinal Fluid Research. 8 pages.
  • Helland, Christian Andre; Lund-Johansen, Morten; Wester, Knut. 2010. Location, sidedness, and sex distribution of intracranial arachnoid cysts in a population-based sample. Journal of Neurosurgery. 934-939.
  • Helland, Christian Andre; Aarhus, Mads; Knappskog, Per Morten; Olsson, Lisa K; Lund-Johansen, Morten; Amiry-Moghaddam, Mahmood Reza; Wester, Knut. 2010. Increased NKCC1 expression in arachnoid cysts supports secretory basis for cyst formation. Experimental Neurology. 424-428.
  • Berle, Magnus Foldal; Wester, Knut; Ulvik, Rune Johan; Haaland, Øystein Ariansen; Kroksveen, Ann Cathrine; Amiry-Moghaddam, Mahmood ; Berven, Frode; Helland, Christian Andre. 2010. Arachnoid cysts do not contain cerebrospinal fluid: A comparative chemical analysis of arachnoid cyst fluid and cerebrospinal fluid in adults. Cerebrospinal Fluid Research.
  • Aarhus, Mads; Helland, Christian Andre; Wester, Knut. 2009. Differences in anatomical distribution, gender, and sidedness between ruptured and unruptured intracranial aneurysms in a defined patient population. Acta Neurochirurgica. 1569-1574.
  • Wester, Knut; Helland, Christian Andre. 2008. How often do chronic extra-cerebral haematomas occur in patients with intracranial arachnoid cysts? Journal of Neurology, Neurosurgery and Psychiatry. 72-75.
  • Gundersen, Hilde; Helland, Christian Andre; Ræder, Maria Therese Barøy; Hugdahl, Kenneth; Wester, Knut. 2007. Visual attention in patients with intracranial arachnoid cysts. Journal of Neurology. 60-66.
  • Helland, Christian Andre; Wester, Knut. 2007. Intracystic pressure in patients with temporal arachnoid cysts: a prospective study of preoperative complaints and postoperative outcome. Journal of Neurology, Neurosurgery and Psychiatry. 620-623.
  • Helland, Christian Andre; Wester, Knut. 2007. A population based study of intracranial arachnoid cysts: clinical and neuroimaging outcomes following surgical cyst decompression in adults. Journal of Neurology, Neurosurgery and Psychiatry. 1129-1135.
  • Helland, Christian Andre; Wester, Knut. 2006. Arachnoid cysts in adults: long-term follow-up of patients treated with internal shunts to the subdural compartment. Surgical Neurology. 56-61.
  • Helland, Christian Andre; Kråkenes, Jostein; Moen, Gunnar; Wester, Knut. 2006. A population-based study of neurosurgical and endovascular treatment of ruptured, intracranial aneurysms in a small neurosurgical unit. Neurosurgery. 1168-1176.
  • Wester, Knut; Helland, Christian Andre. 2006. A population-based study of intracranial arachnoid cysts: clinical and neuroirnaging outcomes following surgical cyst decompression in children. Journal of Neurosurgery. 385-390.
  • Ræder, Maria Therese Barøy; Helland, Christian Andre; Hugdahl, Kenneth; Wester, Knut. 2005. Arachnoid cysts cause cognitive deficits that improve after surgery. Neurology. 160-162.
Academic lecture
  • Wester, Knut; Helland, Christian Andre; Kråkenes, Jostein. 2005. TREATMENT OF INTRACRANIAL ANEURYSMS � THE EXPERIENCE OF A SMALL, REGIONAL HOSPITAL.
  • Wester, Knut; Gundersen, Hilde; Helland, Christian Andre; Hugdahl, Kenneth. 2005. Arachnoid cysts and cognition.
Editorial
  • Helland, Christian Andre; Wester, Knut. 2007. Monozygotic twins with mirror image cysts: Indication of a genetic mechanism in arachnoid cysts? Neurology. 110-111.
Book review
  • Sundstrøm, Terje; Helland, Christian Andre. 2015. Referee Report For: Risk of intracranial hemorrhage in users of oral antithrombotic drugs: Study protocol for a nationwide study. F1000 Research. 1519.
Doctoral dissertation
  • Helland, Christian Andre. 2009. Intracranial arachnoid cysts in adults.
Poster
  • Helland, Christian Andre; Wester, Knut. 2005. Clinical and radiological outcome in patients operated for an arachnoid cyst � a population based, retrospective study.

More information in national current research information system (CRIStin)