2024

• Cavallo, S.M.; Pellencin, E.; Carone, G.; Castelli, N.; Ayadi, R.; Olldashi, F.. (2024) Non-technical skills for neurosurgeons: An international survey. Brain and Spine
  Vitenskapelig artikkel

2021

• Bene, Massimiliano Del; DiMeco, Francesco; Unsgård, Geirmund. (2021) Editorial: Intraoperative Ultrasound in Brain Tumor Surgery: State-Of-The-Art and Future Perspectives. Frontiers in Oncology
  Leder

2019

• Unsgård, Geirmund; Sagberg, Lisa Millgård; Muller, Sebastien; Selbekk, Tormod. (2019) A new acoustic coupling fluid with ability to reduce ultrasound imaging artefacts in brain tumour surgery - a phase I study. Acta Neurochirurgica
  Vitenskapelig artikkel
• Unsgård, Geirmund; Lindseth, Frank. (2019) 3D ultrasound-guided resection of low-grade gliomas: principles and clinical examples. Neurosurgical Focus
  Vitenskapelig artikkel
• Bø, Hans Kristian; Solheim, Ole; Kvistad, Kjell Arne; Berntsen, Erik Magnus; Torp, Sverre Helge; Skjulsvik, Anne Jarstein. (2019) Intraoperative 3D ultrasound-guided resection of diffuse low-grade gliomas: radiological and clinical results. Journal of Neurosurgery
  Vitenskapelig artikkel

2018

• Iversen, Daniel Høyer; Wein, Wolfgang; Lindseth, Frank; Unsgård, Geirmund; Reinertsen, Ingerid. (2018) Automatic Intraoperative Correction of Brain Shift for Accurate Neuronavigation. World Neurosurgery
  Vitenskapelig artikkel
• Iversen, Daniel Høyer; Løvstakken, Lasse; Unsgård, Geirmund; Reinertsen, Ingerid. (2018) Automatic intraoperative estimation of blood flow direction during neurosurgical interventions. International Journal of Computer Assisted Radiology and Surgery
  Vitenskapelig artikkel
• Munkvold, Bodil Karoline Ravn; Jakola, Asgeir Store; Reinertsen, Ingerid; Sagberg, Lisa Millgård; Unsgård, Geirmund; Solheim, Ole. (2018) The diagnostic properties of intraoperative ultrasound in glioma surgery and factors associated with gross total tumor resection. World Neurosurgery
  Vitenskapelig artikkel

2017

• Munkvold, Bodil Karoline Ravn; Bø, Hans Kristian; Jakola, Asgeir Store; Reinertsen, Ingerid; Berntsen, Erik Magnus; Unsgård, Geirmund. (2017) Tumor volume assessment in low-grade gliomas: a comparison of preoperative magnetic resonance imaging to coregistered intraoperative 3-dimensional ultrasound recordings. Neurosurgery
  Vitenskapelig artikkel
• Jakola, Asgeir Store; Skjulsvik, Anne Jarstein; Myrmel, Kristin Smistad; Sjåvik, Kristin; Unsgård, Geirmund; Torp, Sverre Helge. (2017) Surgical resection versus watchful waiting in low-grade gliomas. Annals of Oncology
  Vitenskapelig artikkel
• Xiao, Yiming; Fortin, Maryse; Unsgård, Geirmund; Rivaz, Hassan; Reinertsen, Ingerid. (2017) REtroSpective Evaluation of Cerebral Tumors (RESECT): A clinical database of pre-operative MRI and intra-operative ultrasound in low-grade glioma surgeries. Medical Physics
  Vitenskapelig artikkel

2016

• Solheim, Ole; Johansen, Tonni Franke; Cappelen, Johan; Unsgård, Geirmund; Selbekk, Tormod. (2016) Transsellar ultrasound in pituitary surgery with a designated probe: Early experiences. Operative Neurosurgery
  Vitenskapelig artikkel
• Bartek, Jiri; Gulati, Sasha; Unsgård, Geirmund; Weber, Clemens; Förander, Petter; Solheim, Ole. (2016) Standardized reporting of adverse events after microvascular decompression of cranial nerves; a population-based single-institution consecutive series. Acta Neurochirurgica
  Vitenskapelig artikkel
• Unsgård, Geirmund; Rao, Vidar; Solheim, Ole; Lindseth, Frank. (2016) Clinical experience with navigated 3D ultrasound angiography (power Doppler) in microsurgical treatment of brain arteriovenous malformations. Acta Neurochirurgica
  Vitenskapelig artikkel
• Selbekk, Tormod; Solheim, Ole; Unsgård, Geirmund. (2016) Ultrasound-guided neurosurgery: Experiences from 20 years of cross-disciplinary research in Trondheim, Norway. Neurosurgical Focus
  Leder

2015

• Jakola, Asgeir Store; Senft, Christian; Unsgård, Geirmund; Solheim, Ole. (2015) Surgical Management of Eloquent Supratentorial Low-Grade Gliomas with Special Emphasis on Intraoperative Imaging. Central European Neurosurgery
  Vitenskapelig artikkel
• Askeland, Christian; Solberg, Ole Vegard; Bakeng, Janne Beate Lervik; Reinertsen, Ingerid; Tangen, Geir Arne; Hofstad, Erlend Fagertun. (2015) CustusX: an open-source research platform for image-guided therapy. International Journal of Computer Assisted Radiology and Surgery
  Vitenskapelig artikkel
• Iversen, Daniel Høyer; Lindseth, Frank; Unsgård, Geirmund; Torp, Hans; Løvstakken, Lasse. (2015) Improved quality of freehand 3-D ultrasound color flow imaging by multi-angle compounding. Proceedings - IEEE Ultrasonics Symposium
  Vitenskapelig artikkel

2014

• Jakola, Asgeir S; Jørgensen, Arve; Selbekk, Tormod; Michler, Ralf-Peter; Solheim, Ole; Torp, Sverre Helge. (2014) Animal study assessing safety of an acoustic coupling fluid that holds the potential to avoid surgically induced artifacts in 3D ultrasound guided operations. BMC Medical Imaging
  Vitenskapelig artikkel
• Reinertsen, Ingerid; Jakola, Asgeir Store; Solheim, Ole; Lindseth, Frank; Selbekk, Tormod; Unsgård, Geirmund. (2014) Placement of External Ventricular Drains Using an Average Model. Lecture Notes in Computer Science (LNCS)
  Vitenskapelig artikkel
• Reinertsen, Ingerid; Lindseth, Frank; Askeland, Christian; Iversen, Daniel Høyer; Unsgård, Geirmund. (2014) Intra-operative correction of brain-shift. Acta Neurochirurgica
  Vitenskapelig artikkel
• Solheim, Ole; Jakola, Asgeir Store; Unsgård, Geirmund. (2014) Scientific alchemy and proposed gold standards of care. World Neurosurgery
  Leserinnlegg
• Jakola, Asgeir S; Unsgård, Geirmund; Myrmel, Kristin Smistad; Kloster, Roar; Torp, Sverre Helge; Sagberg, Lisa Millgård. (2014) Surgical strategies in low-grade gliomas and implications for long-term quality of life. Journal of clinical neuroscience
  Vitenskapelig artikkel
• Jakola, Asgeir S; Berntsen, Erik Magnus; Christensen, Pål; Gulati, Sasha; Unsgård, Geirmund; Kvistad, Kjell Arne. (2014) Surgically acquired deficits and diffusion weighted MRI changes after glioma resection - A matched case-control study with blinded neuroradiological assessment. PLOS ONE
  Vitenskapelig artikkel

2013

• Reinertsen, Ingerid; Jakola, Asgeir S; Solheim, Ole; Lindseth, Frank; Unsgård, Geirmund. (2013) Model-guided Placement of Cerebral Ventricular Catheters. Lecture Notes in Computer Science (LNCS)
  Vitenskapelig artikkel
• Selbekk, Tormod; Jakola, Asgeir S; Solheim, Ole; Johansen, Tonni Franke; Lindseth, Frank; Reinertsen, Ingerid. (2013) Ultrasound imaging in neurosurgery: approaches to minimize surgically induced image artefacts for improved resection control. Acta Neurochirurgica
  Vitenskapelig oversiktsartikkel/review
• Jakola, Asgeir; Solheim, Ole; Unsgård, Geirmund. (2013) Risks and benefits of brain tumor surgery: A balancing act. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2013:158)
  Doktorgradsavhandling
• Solheim, Ole; Jakola, Asgeir S; Lindseth, Frank; Unsgård, Geirmund. (2013) Lavgradige gliom – en hjernekirurgisk balansekunst. Kirurgen
  Fagartikkel
• Iversen, Daniel Høyer; Lindseth, Frank; Unsgård, Geirmund; Torp, Hans; Løvstakken, Lasse. (2013) Model-Based Correction of Velocity Measurements in Navigated 3-D Ultrasound Imaging During Neurosurgical Interventions. IEEE Transactions on Medical Imaging
  Vitenskapelig artikkel
• Jakola, Asgeir; Unsgård, Geirmund; Kloster, Roar; Solheim, Ole. (2013) Diffuse low-grade gliomas. Journal of Neurosurgery
  Leserinnlegg
• Jakola, Asgeir; Reinertsen, Ingerid; Selbekk, Tormod; Solheim, Ole; Lindseth, Frank; Gulati, Sasha. (2013) Three dimensional ultrasound guided placement of ventricular catheters. World Neurosurgery
  Vitenskapelig artikkel
• Jakola, Asgeir; Unsgård, Geirmund; Myrmel, Kristin Smistad; Kloster, Roar; Torp, Sverre Helge; Losvik, Ole Kristian. (2013) Surgical strategy in grade II astrocytoma: a population-based analysis of survival and morbidity with a strategy of early resection as compared to watchful waiting. Acta Neurochirurgica
  Vitenskapelig artikkel

2012

• Jakola, Asgeir S; Myrmel, Kristin Smistad; Kloster, Roar; Torp, Sverre Helge; Lindal, Sigurd; Unsgård, Geirmund. (2012) Comparison of a Strategy Favoring Early Surgical Resection vs a Strategy Favoring Watchful Waiting in Low-Grade Gliomas. Journal of the American Medical Association (JAMA)
  Vitenskapelig artikkel
• Sæther, Carl Andrew; Torsteinsen, Magne; Torp, Sverre Helge; Sundstrøm, Stein Harald; Unsgård, Geirmund; Solheim, Ole. (2012) Did survival improve after the implementation of intraoperative neuronavigation and 3D ultrasound in glioblastoma surgery? A retrospective analysis of 192 primary operations. Minimally Invasive Neurosurgery
  Vitenskapelig artikkel
• Selbekk, Tormod; Brekken, Reidar; Indergaard, Marit Kristina; Solheim, Ole; Unsgård, Geirmund. (2012) Comparison of contrast in brightness mode and strain ultrasonography of glial brain tumours. BMC Medical Imaging
  Vitenskapelig artikkel
• Jakola, Asgeir S; Unsgård, Geirmund; Myrmel, Kristin Smistad; Kloster, Roar; Torp, Sverre Helge; Lindal, Sigurd. (2012) Low Grade Gliomas in Eloquent Locations – Implications for Surgical Strategy, Survival and Long Term Quality of Life. PLOS ONE
  Vitenskapelig artikkel
• Reinertsen, Ingerid; Jakola, Asgeir S; Friderichsen, Peter; Lindseth, Frank; Solheim, Ole; Selbekk, Tormod. (2012) A new system for 3D ultrasound-guided placement of cerebral ventricle catheters. International Journal of Computer Assisted Radiology and Surgery
  Vitenskapelig artikkel
• Lindseth, Frank; Langø, Thomas; Selbekk, Tormod; Tangen, Geir Arne; Hofstad, Erlend Fagertun; Unsgård, Geirmund. (2012) Navigasjonsteknologi blir benyttet innenfor stadig flere kliniske områder. Kirurgen
  Fagartikkel

2011

• Unsgård, Geirmund; Solheim, Ole; Lindseth, Frank; Selbekk, Tormod. (2011) Intra-operative imaging with 3D ultrasound in neurosurgery. Acta Neurochirurgica Supplementum
  Vitenskapelig artikkel
• Iversen, Daniel Høyer; Lindseth, Frank; Unsgård, Geirmund; Torp, Hans; Løvstakken, Lasse. (2011) Model-based correction of angle-dependencies in navigated3-D flow imaging during neurosurgical interventions. IEEE International Ultrasonics Symposium Proceedings
  Vitenskapelig artikkel
• Mårvik, Ronald; Myhre, Hans Olav; Unsgård, Geirmund. (2011) Experimental Surgery in Trondheim.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Solheim, Ole; Unsgård, Geirmund; Nygaard, Øystein Petter. (2011) Ultrasound guided surgery in patients with intracranial tumours. NTNU NTNU
  Doktorgradsavhandling
• Jakola, Asgeir S; Unsgård, Geirmund; Solheim, Ole. (2011) Quality of life in patients with intracranial gliomas: the impact of modern image-guided surgery. Journal of Neurosurgery
  Vitenskapelig artikkel
• Jakola, Asgeir S; Gulati, Sasha; Weber, Clemens; Unsgård, Geirmund; Solheim, Ole. (2011) Postoperative deterioration in health related quality of life as predictor for survival in patients with glioblastoma: a prospective study. PLOS ONE
  Vitenskapelig artikkel

2010

• Solheim, Ole; Selbekk, Tormod; Løvstakken, Lasse; Tangen, Geir Arne; Solberg, Ole Vegard; Johansen, Tonni Franke. (2010) Intrasellar ultrasound in transsphenoidal surgery: a novel technique. Neurosurgery
  Vitenskapelig artikkel
• Unsgård, Geirmund. (2010) GPS til hjernen. St. Olavs Hospital i Trondheim har siden 1990-tallet ligget i front på bruken av tredimensjonal ultralyd ved hjernekirurgi. Nå vil sykehuset teste ut nytten av verktøyet på andre typer operasjoner. Dagens medisin
  Leserinnlegg
• Selbekk, Tormod; Brekken, Reidar; Solheim, Ole; Lydersen, Stian; Hernes, Toril A. Nagelhus; Unsgård, Geirmund. (2010) Tissue motion and strain in the human brain assessed by intraoperative ultrasound in glioma patients. Ultrasound in Medicine and Biology
  Vitenskapelig artikkel
• Berntsen, Erik Magnus; Gulati, Sasha; Solheim, Ole; Kvistad, Kjell Arne; Torp, Sverre Helge; Selbekk, Tormod. (2010) Functional magnetic resonance imaging and diffusion tensor tractography incorporated into an intraoperative 3-dimensional ultrasound-based neuronavigation system: impact on therapeutic strategies, extent of resection, and clinical outcome. Neurosurgery
  Vitenskapelig artikkel
• Solheim, Ole; Selbekk, Tormod; Jakola, Asgeir S; Unsgård, Geirmund. (2010) Ultrasound-guided operations in unselected high-grade gliomas-overall results, impact of image quality and patient selection. Acta Neurochirurgica
  Vitenskapelig artikkel

2009

• Unsgård, Geirmund. (2009) Ultrasound-guided neurosurgery.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Berntsen, Erik Magnus; Gulati, Sasha; Solheim, O.; Kvistad, Kjell Arne; Lindseth, F; Unsgård, Geirmund. (2009) Integrated Pre- and Intraoperative Imaging in a Patient with an Arteriovenous Malformation Located in Eloquent Cortex. Minimally Invasive Neurosurgery
  Vitenskapelig artikkel
• Selbekk, Tormod; Solheim, Ole; Tangen, Geir Arne; Solberg, Ole Vegard; Bø, Lars Eirik; Unsgård, Geirmund. (2009) Navigational high-resolution 3D ultrasound in spine tumour surgery — technical assessment. International Journal of Computer Assisted Radiology and Surgery
  Sammendrag/Abstract
• Sindou, Marc; Unsgård, Geirmund. (2009) Practical Handbook of Neurosurgery. Springer Springer
  Vitenskapelig antologi/Konferanseserie
• Gulati, Sasha; Berntsen, Erik Magnus; Solheim, Ole; Kvistad, Kjell Arne; Håberg, Asta; Selbekk, Tormod. (2009) Surgical resection of high-grade gliomas in eloquent regions guided by blood oxygenation level dependent functional magnetic resonance imaging, diffusion tensor tractography, and intraoperative navigated 3D ultrasound. Minimally Invasive Neurosurgery
  Vitenskapelig artikkel

2008

• Rygh, Ola Morten; Selbekk, T; Torp, Sverre Helge; Lydersen, Stian; Hernes, Toril A. Nagelhus; Unsgård, Geirmund. (2008) Comparison of navigated 3D ultrasound findings with histopathology in subsequent phases of glioblastoma resection. Acta Neurochirurgica
  Vitenskapelig artikkel
• Rygh, Ola Morten; Unsgård, Geirmund. (2008) 3D ultrasound based neuronavigation in neurosurgery: A Clinical Evaluation. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181; 2008:295 (Dissertations at the Faculty of Medicine, 0805-7680; 375)
  Doktorgradsavhandling
• Solheim, Ole; Selbekk, Tormod; Tangen, Geir Arne; Solberg, Ole Vegard; Kolstad, Frode; Unsgård, Geirmund. (2008) Ultralyd ved spinalkirurgi - teknologiutvikling. Vitenskapelige forhandlinger - De norske kirurgiske foreninger
  Sammendrag/Abstract

2007

• Unsgård, Geirmund; Ommedal, S; Rygh, Ola Morten; Lindseth, Frank. (2007) Operation of arteriovenous malformations assisted by stereoscopic navigation-controlled display of preoperative magnetic resonance angiography and intraoperative ultrasound angiography. Neurosurgery
  Vitenskapelig oversiktsartikkel/review
• Reinertsen, I; Lindseth, Frank; Unsgård, Geirmund; Collins, DL. (2007) Clinical validation of vessel-based registration for correction of brain-shift. Medical Image Analysis
  Vitenskapelig artikkel
• jr., Inge-Andre Rasmussen; Lindseth, Frank; Rygh, Ola Morten; Berntsen, Erik Magnus; Selbekk, Tormod; Xu, Jian. (2007) Functional neuronavigation combined with intra-operative 3D ultrasound: Initial experiences during surgical resections close to eloquent brain areas and future directions in automatic brain shift compensation of preoperative data. Acta Neurochirurgica
  Vitenskapelig artikkel

2006

• Rygh, Ola; Cappelen, Johan; Selbekk, Tormod; Lindseth, Frank; Hernes, Toril A. Nagelhus; Unsgård, Geirmund. (2006) Endoscopy guided by an intraoperative 3D ultrasound-based neuronavigation system. Minimally Invasive Neurosurgery
  Vitenskapelig artikkel
• Unsgård, Geirmund; Rygh, Ola; Selbekk, Tormod; Müller, T.B.; Kolstad, Frode; Lindseth, Frank. (2006) Intra-operative 3D ultrasound in neurosurgery. Acta Neurochirurgica
  Vitenskapelig oversiktsartikkel/review
• Hernes, Toril A. Nagelhus; Lindseth, Frank; Selbekk, Tormod; Wollf, Arild; Solberg, Ole Vegard; Harg, Erik. (2006) Computer-assisted 3D ultrasound-guided neurosurgery: technological contributions, including multimodal registration and advanced display, demonstrating future perspectives. International Journal of Medical Robotics and Computer Assisted Surgery
  Vitenskapelig artikkel
• Kolstad, Frode; Rygh, Ola; Selbekk, Tormod; Unsgård, Geirmund; Nygaard, Øystein P. (2006) Three-dimensional ultrasonography navigation in spinal cord tumor surgery - Technical note. Journal of Neurosurgery : Spine
  Vitenskapelig artikkel
• Rygh, Ola; Hernes, Toril A. Nagelhus; Lindseth, Frank; Selbekk, Tormod; Müller, Tomm Brostrup; Unsgård, Geirmund. (2006) Intraoperative navigated 3-dimensional ultrasound angiography in tumor surgery. Surgical Neurology
  Vitenskapelig artikkel

2005

• Meling, Torstein Ragnar; Helseth, Eirik; Unsgård, Geirmund; Lote, Knut; Nakstad, Per Hjalmar; Wester, Knut. (2005) Brain metastases in adults. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Unsgård, Geirmund; Selbekk, Tormod; Muller, Tomm; Ommedal, Steinar; Torp, Sverre Helge; Myhr, Gunnar. (2005) Ability of Navigated 3D Ultrasound to Delineate Gliomas and Metastases - Comparison of Image Interpretations with Histopathology. Acta Neurochirurgica
  Vitenskapelig artikkel
• Selbekk, Tormod; Bang, Jon; Unsgård, Geirmund. (2005) Strain processing of intraoperative ultrasound images of brain tumours: initial results. Ultrasound in Medicine and Biology
  Vitenskapelig artikkel
• Unsgård, Geirmund; Rygh, Ola; Selbekk, Tormod; Müller, T. B.; Kolstad, Frode; Lindseth, F. (2005) Intra-operative 3D Ultrasound in Neurosurgery. Acta Neurochirurgica
  Vitenskapelig oversiktsartikkel/review
• Unsgård, Geirmund; Ommedal, Steinar; Rygh, O. M.; Lindseth, F. (2005) Operation of arteriovenous malformations assisted by stereoscopic navigation-controlled display of preoperative magnetic resonance angiography and intraoperative ultrasound angiography. Neurosurgery
  Vitenskapelig artikkel

2004

• Håberg, Asta Kristine; Kvistad, Kjell Arne; Unsgård, Geirmund; Haraldseth, Olav. (2004) Preoperative blood oxygen level-dependent functional magnetic resonance imaging in patients with primary brain tumors: Clinical application and outcome. Neurosurgery
  Vitenskapelig artikkel
• Eloqayli, Haytham; Gøtestam, K Gunnar; Unsgård, Geirmund; Sonnewald, Ursula. (2004) Changes of glial-neuronal interaction and metabolism after a subconvulsive dose of pentylenetetrazole. Neurochemistry International
  Vitenskapelig artikkel

2003

• Helseth, Eirik; Meling, Torstein Ragnar; Lundar, Tryggve; Scheie, David; Skullerud, Kari Petra; Unsgård, Geirmund. (2003) Intracranial tumors in adults. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Helseth, Eirik; Meling, Torstein; Lundar, Trygve; Scheie, David; Skullerud, Kari; Lote, Knut. (2003) Intrakraniale svulster hos voksne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Helseth, Eirik; Due-Tønnessen, Bernt J; Lundar, Trygve; Scheie, David; Skullerud, Kari; Wesenberg, Finn. (2003) Intracraniale svulster hos barn. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Bull, Kirsti Strøm; Roll-Hansen, Nils; Kvernmo, Siv; Unsgård, Geirmund; Nordby, Andreas; Tapper, Nina Mår. (2003) Granskning av påstander om uetisk medisinsk forskning på mennesker. Norges offentlige utredninger 2003:33 Norges offentlige utredninger 2003:33
  Rapport
• Eloqayli, Haytham; Dahl, Carl Bredo; Gøtestam, K Gunnar; Unsgård, Geirmund; Hadidi, Hakam; Sonnewald, Ursula. (2003) Pentylenetetrazole decreases metabolic glutamate turnover in rat brain. Journal of Neurochemistry
  Vitenskapelig artikkel
• Helseth, Eirik; Due-Tønnessen, Bernt; Lundar, Tryggve; Scheie, David; Skullerud, Kari Petra; Wesenberg, Finn. (2003) Intrakraniale svulster hos barn. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel
• Helseth, Eirik; Meling, Torstein; Lundar, Tryggve; Scheie, David; Skullerud, Kari Petra; Lote, Knut. (2003) Intrakraniale svulster hos voksne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Vitenskapelig artikkel

2002

• Eloqayli, Haytham; Qu, Hong; Unsgård, Geirmund; Sletvold, Olav; Hadidi, Hakam; Sonnewald, Ursula. (2002) Effects of pentylenetetrazole and glutamate on metabolism of [U-13C]glucose in cultured cerebellar granule neurons. Neurochemistry International
  Vitenskapelig artikkel

2001

• Qu, Hong; Eloqayli, Haytham; Unsgård, Geirmund; Sonnewald, Ursula. (2001) Glutamate decreases pyruvate carboxylase activity and spares glucose as energy substrate in cultured cerebellar astrocytes. Journal of Neuroscience Research
  Vitenskapelig artikkel

2000

• Håberg, Asta Kristine; Qu, Hong; Haraldseth, Olav; Unsgård, Geirmund; Sonnewald, Ursula. (2000) In vivo effects of adenosine A1 receptor agonists and antagonist on neuronal and astrocytic intermediary metabolism studied with ex vivo %1%3C NMR spectroscopy. Journal of Neurochemistry
  Vitenskapelig artikkel
• Zwart, John-Anker; Børset, Magne; Sand, Trond; Bovim, Gunnar; Unsgård, Geirmund. (2000) The levels of hepatocyte growth factor is elevated in cerebrospinal fluid from patients with degenerative spinal stenosis. Tapir trykkeri Tapir trykkeri
  Vitenskapelig monografi
• Qu, Hong; Håberg, Asta Kristine; Haraldseth, Olav; Unsgård, Geirmund; Sonnewald, Ursula. (2000) 13C MRS study of lactate as cerebral substrate for rat brain. Developmental Neuroscience
  Vitenskapelig artikkel
• Qu, Hong; Waagepetersen, Helle S.; Hengel, Marike van; Wolt, Saskia; Dale, Ola; Unsgård, Geirmund. (2000) Effects of thiopental on transport and metabolism of glutamate in cultured cerebellar granule neurons. Neurochemistry International
  Vitenskapelig artikkel

1999

• Zwart, John-Anker; Iversen, OJ; Sand, Trond; Dale, LG; Unsgård, Geirmund. (1999) Higher levels of antibodies against the psoriasis-associated antigen Pso p27 in cerebrospinal fluid from patients with low back pain and sciatica. Spine
  Vitenskapelig artikkel
• Qu, Hong; Færø, Erik; Jørgensen, Paal; Dale, Ola; Gisvold, Sven Erik; Unsgård, Geirmund. (1999) Decreased glutamate metabolism in cultured astrocytes in the presence of thiopental. Biochemical Pharmacology
  Vitenskapelig artikkel

1998

• Håberg, Asta Kristine; Qu, Hong; Bakken, Inger Johanne; Sande, Leif Magne; White, Linda; Haraldseth, Olav. (1998) In vitro and ex vivo %1%3C-NMR spectroscopy studies of pyruvate recycling in brain. Developmental Neuroscience
  Vitenskapelig artikkel
• Bakken, Inger Johanne; White, Linda; Unsgård, Geirmund; Aasly, Jan; Sonnewald, Ursula. (1998) @<U-%1%3C@>-glutamate Metabolism in Astrocytes During Hypoglycemia and Hypoxia. Journal of Neuroscience Research
  Vitenskapelig artikkel
• Zwart, John-Anker; Sand, Trond; Unsgård, Geirmund. (1998) Warm and cold sensory thresholds in patients with unilateral sciatica: C fibers are more severely affected than A-delta fibers. Acta Neurologica Scandinavica
  Vitenskapelig artikkel
• Bakken, Inger Johanne; White, Linda; Unsgård, Geirmund; Aasly, Jan; Sonnewald, Ursula. (1998) @<U-%1%3C@>glutamate metabolism in astrocytes during hypoglycemia and hypoxia. Journal of Neuroscience Research
  Vitenskapelig artikkel
• Håberg, Asta Kristine; Qu, Hong; Haraldseth, Olav; Unsgård, Geirmund; Sonnewald, Ursula. (1998) In vivo Injection of 1-13C Glucose and 1,2-13C Acetate Combined With Ex Vivo 13C Nuclear Magnetic Resonance Spectroscopy : A Novel Approachto the Study of Middle Cerebral Artery Occlusion in the Rat. Journal of Cerebral Blood Flow and Metabolism
  Vitenskapelig artikkel
• Bakken, Ingen Johanne; White, Linda; Aasly, Jan; Unsgård, Geirmund; Sonnewald, Ursula. (1998) @<U-%1%3C@> aspartate metabolism in cultured cortical astrocytes and cerebellar granule neurons studied by NMR spectroscopy. Glia
  Vitenskapelig artikkel

1997

• Bakken, Inger Johanne; Johnsen, Svein F.; White, Linda; Unsgård, Geirmund; Aasly, Jan; Sonnewald, Ursula. (1997) NMR spectroscopy study of the effect of 3-nitropropionic acid on glutamate metabolism in cultured astrocytes. Journal of Neuroscience Research
  Vitenskapelig artikkel
• Bakken, Inger Johanne; White, Linda; Aasly, Jan; Unsgård, Geirmund; Sonnewald, Ursula. (1997) Lactate formation from @<U-%1%3C@>aspartate in cultured astrocytes : compartmentation of pyruvate metabolism. Neuroscience Letters
  Vitenskapelig artikkel
• Zwart, John-Anker; Gårseth, Mari; Sonnewald, Ursula; Dale, Leif-Gunnar; White, Linda; Aasly, Jan. (1997) Nuclear magnetic resonance spectroscopy of cerebrospinal fluid from patients with low back pain and sciatica. Spine
  Vitenskapelig artikkel
• Aasly, Jan; Gårseth, Mari; Sonnewald, Ursula; Zwart, John-Anker; White, Linda; Unsgård, Geirmund. (1997) Cerebrospinal fluid lactate and glutamine are reduced in multiple sclerosis. Acta Neurologica Scandinavica
  Vitenskapelig artikkel
• Bakken, Inger Johanne; White, Linda; Aasly, Jan; Unsgård, Geirmund; Sonnewald, Ursula. (1997) Lactate formation from @<U-%1%3C@>asparatate in cultured astrocytes : compartmentation of pyruvate metabolism. Neuroscience Letters
  Vitenskapelig artikkel
• Bakken, Inger Johanne; Johnsen, Svein F.; White, Linda; Unsgård, Geirmund; Aasly, Jan; Sonnewald, Ursula. (1997) NMR Spectroscopy Study of the Effect of 3-Nitropropionic Acid on Glutamate Metabolism in Cultured Astrocytes. Journal of Neuroscience Research
  Vitenskapelig artikkel

1996

• Grønningsæter, Åge; Unsgård, Geirmund; Ommedal, Steinar; Angelsen, Bjørn Atle J.. (1996) Ultrasound-guided neurosurgery : a feasibility study in the 3-30 MHz frequency range. British Journal of Neurosurgery
  Vitenskapelig artikkel
• Sonnewald, Ursula; White, Linda; Ødegård, Elin; Westergaard, Niels; Bakken, Inger J.; Aasly, Jan. (1996) MRS study of glutamate metabolism in cultured neurons/glia. Neurochemical Research
  Vitenskapelig artikkel

1995

• Muller, Tomm; Haraldseth, Olav; Jones, Richard; Sebastiani, Giovanni; Godtliebsen, Fred; Lindboe, Christian. (1995) Combined perfusion MR imaging and diffusion weighted imaging in a rat model of reversible middle cerebral artery occlusion. Stroke
  Vitenskapelig artikkel
• Sonnewald, Ursula; Müller, T.; Unsgård, Geirmund; Petersen, Steffen B.. (1995) Effects of aspartame on 45Ca influx and LDH leakage from nerve cells in culture. NeuroReport
  Vitenskapelig artikkel

1994

• Müller, T.B.; Sonnewald, Ursula; Westergaard, N.; Schousboe, Arne; Petersen, Steffen B.; Unsgård, Geirmund. (1994) 13C NMR spectroscopy study of cortical nerve cell cultures exposed to hypoxia. Journal of Neuroscience Research
  Vitenskapelig artikkel
• Hassel, Bjørnar; Sonnewald, Ursula; Unsgård, Geirmund; Fonnum, Frode. (1994) NMR spectroscopy of cultured astrocytes: effects of glutamine and the gliotoxin fluorocitrate. Journal of Neurochemistry
  Vitenskapelig artikkel

1993

• Hassel, Bjørnar; Sonnewald, Ursula; Westergaard, Niels; Muller, TB; Fonnum, Frode; Unsgård, Geirmund. (1993) NMR spectroscopic studies of 13C acetate and 13C glucose metabolism in neocortical astrocytes: evidence for mitochondrial heterogeneity. Developmental Neuroscience
  Vitenskapelig artikkel

1992

• Haraldseth, Olav; Grønås, Terje; Southon, Timothy; Thommessen, Line; Borchgrevink, Grethe; Jynge, Per. (1992) The effect of brain temperature on temporary global ischaemia in rat brain. A 31-phosphorous NMR spectroscopy study. Acta Anaesthesiologica Scandinavica
  Vitenskapelig oversiktsartikkel/review