Publication list - Publika - Scientific publications from Oslo University Hospital

Publications by Per Hjalmar Nakstad

138 publications found

Original articles

Utheim NC, Josefsen R, Nakstad PH, Solgaard T, Roise O (2015)
Occipital condyle fracture and lower cranial nerve palsy after blunt head trauma - a literature review and case report
J Trauma Manag Outcomes, 9, 2
DOI 10.1186/s13032-015-0024-3, PubMed 25897322

Server A, Graff BA, Josefsen R, Orheim TE, Schellhorn T, Nordhøy W, Nakstad PH (2014)
Analysis of diffusion tensor imaging metrics for gliomas grading at 3 T
Eur J Radiol, 83 (3), e156-65
DOI 10.1016/j.ejrad.2013.12.023, PubMed 24457139

Reckless GE, Bolstad I, Nakstad PH, Andreassen OA, Jensen J (2013)
Motivation alters response bias and neural activation patterns in a perceptual decision-making task
Neuroscience, 238, 135-47
DOI 10.1016/j.neuroscience.2013.02.015, PubMed 23428623

Engedal K, Brækhus A, Andreassen OA, Nakstad PH (2012)
Diagnosis of dementia--automatic quantification of brain structures
Tidsskr Nor Laegeforen, 132 (15), 1747-51
DOI 10.4045/tidsskr.12.0148, PubMed 22929941

Jerstad T, Røe C, Rønning P, Sigurdardottir S, Nakstad P, Andelic N (2012)
Predicting Functional Outcome One Year After Traumatic Brain Injury With CT and MRI Findings
J Neurol Res, 2 (4), 134-144
DOI 10.4021/jnr133w, PublikaID 156

Ousdal OT, Anand Brown A, Jensen J, Nakstad PH, Melle I, Agartz I, Djurovic S, Bogdan R, Hariri AR, Andreassen OA (2012)
Associations between variants near a monoaminergic pathways gene (PHOX2B) and amygdala reactivity: a genome-wide functional imaging study
Twin Res Hum Genet, 15 (3), 273-85
DOI 10.1017/thg.2012.5, PubMed 22856363

Rizvi SA, Fredø HL, Lied B, Nakstad PH, Rønning P, Helseth E (2012)
Surgical management of acute odontoid fractures: surgery-related complications and long-term outcomes in a consecutive series of 97 patients
J Trauma Acute Care Surg, 72 (3), 682-90
DOI 10.1097/TA.0b013e318236b675, PubMed 22491553

Thoresen C, Jensen J, Sigvartsen NP, Bolstad I, Server A, Nakstad PH, Andreassen OA, Endestad T (2012)
Arousal Modulates Activity in the Medial Temporal Lobe during a Short-Term Relational Memory Task
Front Hum Neurosci, 5, 177
DOI 10.3389/fnhum.2011.00177, PubMed 22291626

Server A, Graff BA, Orheim TE, Schellhorn T, Josefsen R, Gadmar ØB, Nakstad PH (2010)
Measurements of diagnostic examination performance and correlation analysis using microvascular leakage, cerebral blood volume, and blood flow derived from 3T dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in glial tumor grading
Neuroradiology, 53 (6), 435-47
DOI 10.1007/s00234-010-0770-x, PubMed 20857284

Server A, Kulle B, Gadmar ØB, Josefsen R, Kumar T, Nakstad PH (2010)
Measurements of diagnostic examination performance using quantitative apparent diffusion coefficient and proton MR spectroscopic imaging in the preoperative evaluation of tumor grade in cerebral gliomas
Eur J Radiol, 80 (2), 462-70
DOI 10.1016/j.ejrad.2010.07.017, PubMed 20708868

Server A, Orheim TE, Graff BA, Josefsen R, Kumar T, Nakstad PH (2010)
Diagnostic examination performance by using microvascular leakage, cerebral blood volume, and blood flow derived from 3-T dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in the differentiation of glioblastoma multiforme and brain metastasis
Neuroradiology, 53 (5), 319-30
DOI 10.1007/s00234-010-0740-3, PubMed 20625709

Rimol LM, Hartberg CB, Nesvåg R, Fennema-Notestine C, Hagler DJ, Pung CJ, Jennings RG, Haukvik UK, Lange E, Nakstad PH, Melle I, Andreassen OA, Dale AM, Agartz I (2010)
Cortical thickness and subcortical volumes in schizophrenia and bipolar disorder
Biol Psychiatry, 68 (1), 41-50
DOI 10.1016/j.biopsych.2010.03.036, PubMed 20609836

Server A, Josefsen R, Kulle B, Maehlen J, Schellhorn T, Gadmar Ø, Kumar T, Haakonsen M, Langberg CW, Nakstad PH (2010)
Proton magnetic resonance spectroscopy in the distinction of high-grade cerebral gliomas from single metastatic brain tumors
Acta Radiol, 51 (3), 316-25
DOI 10.3109/02841850903482901, PubMed 20092374

Gjertsen O, Nakstad PH, Pedersen H, Dahlberg D (2010)
Percutaneous intravertebral body embolization of a traumatic spinal epidural arteriovenous fistula with secondary perimedullary venous reflux. A case report
Interv Neuroradiol, 16 (1), 97-102
DOI 10.1177/159101991001600114, PubMed 20377987

Server A, Kulle B, Maehlen J, Josefsen R, Schellhorn T, Kumar T, Langberg CW, Nakstad PH (2009)
Quantitative apparent diffusion coefficients in the characterization of brain tumors and associated peritumoral edema
Acta Radiol, 50 (6), 682-9
DOI 10.1080/02841850902933123, PubMed 19449234

Welander-Vatn AS, Jensen J, Lycke C, Agartz I, Server A, Gadmar ØB, Melle I, Nakstad PH, Andreassen OA (2009)
No altered dorsal anterior cingulate activation in bipolar II disorder patients during a Go/No-go task: an fMRI study
Bipolar Disord, 11 (3), 270-9
DOI 10.1111/j.1399-5618.2009.00680.x, PubMed 19419384

Gjertsen O, Schellhorn T, Nakstad PH (2008)
Fluoroscopy-guided sacroplasty: special focus on preoperative planning from three-dimensional computed tomography
Acta Radiol, 49 (9), 1042-8
DOI 10.1080/02841850802350659, PubMed 18759150

Ousdal OT, Jensen J, Server A, Hariri AR, Nakstad PH, Andreassen OA (2008)
The human amygdala is involved in general behavioral relevance detection: evidence from an event-related functional magnetic resonance imaging Go-NoGo task
Neuroscience, 156 (3), 450-5
DOI 10.1016/j.neuroscience.2008.07.066, PubMed 18775476

Nakstad PH (2008)
Vascular interventional neuroradiology in a country with a small and scattered population. Twenty years' experience in norway
Interv Neuroradiol, 14 (1), 5-8
DOI 10.1177/159101990801400101, PubMed 20557780

Nakstad PH, Gjertsen O, Pedersen HK (2008)
Correlation of head trauma and traumatic aneurysms
Interv Neuroradiol, 14 (1), 33-8
DOI 10.1177/159101990801400104, PubMed 20557783

Gjertsen O, Nakstad PH, Pedersen HK, Josefsen R (2007)
Traumatic aneurysm of the superior cerebellar artery
Interv Neuroradiol, 13 (2), 167-71
DOI 10.1177/159101990701300207, PubMed 20566145

Nakstad PH, Server A, Josefsen R (2004)
Traumatic cervical injuries in ankylosing spondylitis
Acta Radiol, 45 (2), 222-6
DOI 10.1080/02841850410004085, PubMed 15191110

Server A, Hovda KE, Nakstad PH, Jacobsen D, Dullerud R, Haakonsen M (2003)
Conventional and diffusion-weighted MRI in the evaluation of methanol poisoning
Acta Radiol, 44 (6), 691-5
DOI 10.1080/02841850312331287779, PubMed 14616218

Nome T, Bakke SJ, Nakstad PH (2002)
MR angiography in the follow-up of coiled cerebral aneurysms after treatment with Guglielmi detachable coils
Acta Radiol, 43 (1), 10-4
DOI 10.1080/028418502127347574, PubMed 11972455

Sorteberg A, Sorteberg W, Turk AS, Rappe A, Nakstad PH, Strother CM (2001)
Effect of Guglielmi detachable coil placement on intraaneurysmal pressure: experimental study in canines
AJNR Am J Neuroradiol, 22 (9), 1750-6
PubMed 11673173

Server A, Dullerud R, Haakonsen M, Nakstad PH, Johnsen UL, Magnaes B (2001)
Post-traumatic cerebral infarction. Neuroimaging findings, etiology and outcome
Acta Radiol, 42 (3), 254-60
DOI 10.1080/028418501127346792, PubMed 11350282

Berge E, Nakstad PH, Sandset PM, HAEST Study Group (2001)
Large middle cerebral artery infarctions and the hyperdense middle cerebral artery sign in patients with atrial fibrillation
Acta Radiol, 42 (3), 261-8
DOI 10.1080/028418501127346800, PubMed 11350283

Pedersen HK, Bakke SJ, Hald JK, Skalpe IO, Anke IM, Sagsveen R, Langmoen IA, Lindegaard KE, Nakstad PH (2001)
CTA in patients with acute subarachnoid haemorrhage. A comparative study with selective, digital angiography and blinded, independent review
Acta Radiol, 42 (1), 43-9
DOI 10.1080/028418501127346224, PubMed 11167331

Dietrichs E, Heier MS, Nakstad PH (2000)
Jaw-opening dystonia presumably caused by a pontine lesion
Mov Disord, 15 (5), 1026-8
DOI 10.1002/1531-8257(200009)15:5<1026::aid-mds1046>3.0.co;2-4, PubMed 11009222

Aaserud O, Nakstad PH, Bakke SJ, Reinvang I, Borchgrevink HM, Lie V, Malt UF, Gjerstad L (2000)
Failure to confirm neurotoxic impairment using cerebral magnetic resonance imaging on solvent-exposed workers
Scand J Work Environ Health, 26 (4), 346-52
DOI 10.5271/sjweh.552, PubMed 10994801

Berge E, Abdelnoor M, Nakstad PH, Sandset PM (2000)
Low molecular-weight heparin versus aspirin in patients with acute ischaemic stroke and atrial fibrillation: a double-blind randomised study. HAEST Study Group. Heparin in Acute Embolic Stroke Trial
Lancet, 355 (9211), 1205-10
DOI 10.1016/s0140-6736(00)02085-7, PubMed 10770301

Hald JK, Eldevik OP, Dunn RL, Bakke SJ, Pedersen HK, Nakstad PH (2000)
Improving postoperative MR imaging of pituitary macroadenomas: comparison of full and reduced dose of gadopentetate dimeglumine
Eur Radiol, 10 (7), 1068-72
DOI 10.1007/s003300000455, PubMed 11003399

Berg-Johnsen J, Nakstad PH, Magnaes B (2000)
Staged surgical occlusion of a cerebral arteriovenous fistula
Acta Neurochir (Wien), 142 (7), 827-8
DOI 10.1007/s007010070101, PubMed 10955681

Dietrichs E, Heier MS, Faye-Lund H, Nakstad PH (1999)
Bulbar myoclonus without palatal myoclonus. A hypothesis on pathophysiology
Eur J Neurol, 6 (3), 367-70
DOI 10.1046/j.1468-1331.1999.630367.x, PubMed 10210921

Nakstad PH, Bakke SJ, Dale LG, Moen G (1998)
Basilar artery fenestration aneurysms treated with guglielmi detachable coils
Interv Neuroradiol, 4 (1), 75-80
DOI 10.1177/159101999800400109, PubMed 20673393

Hetland S, Berg-Johnsen J, Heier T, Nakstad PH (1998)
[Intraspinal hematoma after thoracic epidural analgesia]
Tidsskr Nor Laegeforen, 118 (2), 241-4
PubMed 9485620

Dullerud R, Nakstad PH (1997)
Side effects and complications of automated percutaneous lumbar nucleotomy
Neuroradiology, 39 (4), 282-5
DOI 10.1007/s002340050410, PubMed 9144678

Nakstad PH (1997)
[Lumbar disk prolapse and radiological intervention]
Tidsskr Nor Laegeforen, 117 (6), 805-6
PubMed 9102973

Nakstad PH, Haakonsen M, Magnaes B, Hetland S (1997)
Combined endovascular and surgical treatment in vertebral arteriovenous fistula. A case report
Acta Radiol, 38 (1), 25-9
DOI 10.1080/02841859709171237, PubMed 9059397

Nakstad PH, Haakonsen M, Berg-Johnsen J, Magnaes B (1996)
[Embolization of cerebral aneurysms. A new therapeutic possibility]
Tidsskr Nor Laegeforen, 116 (28), 3343-6
PubMed 9011992

Lavold E, Freng AB, Nakstad P (1996)
[Combined embolization and surgery of paragangliomas of the glomus caroticum. Report of a case and review of literature]
Tidsskr Nor Laegeforen, 116 (20), 2449-51
PubMed 8928106

Halvorsen TM, Nilsson S, Nakstad PH (1996)
[Stress fractures. Spondylolysis and spondylolisthesis of the lumbar vertebrae among young athletes with back pain]
Tidsskr Nor Laegeforen, 116 (17), 1999-2001
PubMed 8766639

Dullerud R, Johansen JG, Haakonsen M, Nakstad PH (1996)
Anatomic variations and pathologic conditions as risk factors of complications in percutaneous lumbar nucleotomy
Interv Neuroradiol, 2 (2), 137-42
DOI 10.1177/159101999600200206, PubMed 20682126

Nakstad P (1996)
Ischemic cerebrovascular disease (stroke)
Riv. Neuroradiol., 9 1, 13-15

Nakstad PH, Bakke SJ, Ormåsen E, Lund G, Midtflå V (1994)
[Neuroradiological embolization]
Tidsskr Nor Laegeforen, 114 (25), 2956-9
PubMed 7974406

Dullerud R, Amundsen T, Nakstad PH, Magnaes B (1994)
CT changes after lumbar percutaneous automated nucleotomy
Acta Radiol, 35 (5), 409-14
PubMed 8086243

Dullerud R, Nakstad PH (1994)
CT changes after conservative treatment for lumbar disk herniation
Acta Radiol, 35 (5), 415-9
PubMed 8086244

Nakstad PH, Nornes H (1994)
Superselective angiography, embolisation and surgery in treatment of arteriovenous malformations of the brain
Neuroradiology, 36 (5), 410-3
DOI 10.1007/BF00612131, PubMed 7936188

Reinvang I, Borchgrevink HM, Aaserud O, Lie V, Malt UF, Nakstad P, Larsson PG, Gjerstad L (1994)
Neuropsychological findings in a non-clinical sample of workers exposed to solvents
J Neurol Neurosurg Psychiatry, 57 (5), 614-6
DOI 10.1136/jnnp.57.5.614, PubMed 8201335

Hald JK, Skalpe IO, Bakke SJ, Nakstad PH (1994)
MR imaging of pituitary region lesions with gadodiamide injection
Acta Radiol, 35 (1), 65-9
PubMed 8305277

Kerty E, Eide N, Nakstad P (1993)
[Involvement of the visual system in multiple sclerosis]
Tidsskr Nor Laegeforen, 113 (13), 1574-6
PubMed 8337644

Nakstad PH, Hald JK, Bakke SJ (1993)
Multiple spinal arteriovenous fistulas in Klippel-Trenaunay-Weber syndrome treated with platinum fibre coils
Neuroradiology, 35 (2), 163-5
DOI 10.1007/BF00593978, PubMed 8381922

Hald JK, Nakstad PH, Kollevold T, Bakke SJ, Skalpe IO (1992)
MR imaging of pituitary macroadenomas before and after transsphenoidal surgery
Acta Radiol, 33 (5), 396-9
PubMed 1389642

Aaserud O, Russell D, Nyberg-Hansen R, Rootwelt K, Jörgensen EB, Nakstad P, Hommeren OJ, Tvedt B, Gjerstad L (1992)
Regional cerebral blood flow after long-term exposure to carbon disulfide
Acta Neurol Scand, 85 (4), 266-71
DOI 10.1111/j.1600-0404.1992.tb04042.x, PubMed 1585798

Nakstad PH, Hald JK, Sorteberg W (1992)
Carotid-cavernous fistula treated with detachable balloon during bilateral transcranial Doppler monitoring of middle cerebral arteries. A case report
Acta Radiol, 33 (2), 145-8
PubMed 1562408

Nakstad PH, Bakke SJ, Hald JK (1992)
Embolization of intracranial arteriovenous malformations and fistulas with polyvinyl alcohol particles and platinum fibre coils
Neuroradiology, 34 (4), 348-51
DOI 10.1007/BF00588202, PubMed 1528453

Hald JK, Nakstad PH, Hauglum BE (1991)
Coronal MR imaging of the normal 3rd, 4th, and 5th lumbar and 1st sacral nerve roots
Acta Radiol, 32 (3), 210-3
PubMed 2064865

Nakstad PH, Nornes H (1991)
[Neuroradiologic intervention in intracranial arteriovenous malformations]
Tidsskr Nor Laegeforen, 111 (6), 694-7
PubMed 2008688

Kerty E, Eide N, Nakstad P, Nyberg-Hansen R (1991)
Chiasmal optic neuritis
Acta Ophthalmol (Copenh), 69 (1), 135-9
DOI 10.1111/j.1755-3768.1991.tb02011.x, PubMed 2028763

Aanonsen NO, Kerty E, Nyberg-Hansen R, Nakstad P (1991)
[Spontaneous dissection of the internal carotid artery]
Tidsskr Nor Laegeforen, 111 (3), 330-2
PubMed 2000617

Hald JK, Nakstad PH, Skjeldal OH, Strømme P (1991)
Bilateral arachnoid cysts of the temporal fossa in four children with glutaric aciduria type I
AJNR Am J Neuroradiol, 12 (3), 407-9
PubMed 2058483

Kongsgaard UE, Holst-Larsen H, Lie B, Fauchald P, Nakstad PH (1990)
[Severe, symptomatic hyponatremia]
Tidsskr Nor Laegeforen, 110 (28), 3617-9
PubMed 2260060

Lundar T, Nakstad P (1990)
[Acute intracranial hematomas in full term neonates]
Tidsskr Nor Laegeforen, 110 (16), 2063-5
PubMed 2368068

Hald JK, Nakstad PH, Bakke SJ, Skalpe IO (1990)
[Magnetic tomography and backache]
Tidsskr Nor Laegeforen, 110 (11), 1359-60
PubMed 2140209

Lundar T, Nakstad P (1990)
[Torkildsen's operation--50 years later]
Tidsskr Nor Laegeforen, 110 (5), 584-6
PubMed 2408193

Nornes H, Sorteberg W, Nakstad P, Bakke SJ, Aaslid R, Lindegaard KF (1990)
Haemodynamic aspects of clinical cerebral angiography. Concurrent two vessel monitoring using transcranial Doppler ultrasound
Acta Neurochir (Wien), 105 (3-4), 89-97
DOI 10.1007/BF01669989, PubMed 2125805

Aaserud O, Hommeren OJ, Tvedt B, Nakstad P, Mowé G, Efskind J, Russell D, Jörgensen EB, Nyberg-Hansen R, Rootwelt K (1990)
Carbon disulfide exposure and neurotoxic sequelae among viscose rayon workers
Am J Ind Med, 18 (1), 25-37
DOI 10.1002/ajim.4700180104, PubMed 2165741

Nakstad PH (1989)
The reaction of cerebral arteries to non-ionic contrast media during cerebral angiography
Neuroradiology, 31 (3), 247-9
DOI 10.1007/BF00344352, PubMed 2779774

Nakstad PH, Hald JK, Bakke SJ, Skalpe IO, Wiberg J (1989)
MRI in cervical disk herniation
Neuroradiology, 31 (5), 382-5
DOI 10.1007/BF00343860, PubMed 2594180

Hald JK, Bakke SJ, Nakstad PH, Skalpe IO, Wiberg J (1989)
Magnetic resonance imaging of an epidural spinal arachnoid cyst
Acta Radiol, 30 (5), 491-3
PubMed 2611055

Lindegaard KF, Nornes H, Bakke SJ, Sorteberg W, Nakstad P (1989)
Cerebral vasospasm diagnosis by means of angiography and blood velocity measurements
Acta Neurochir (Wien), 100 (1-2), 12-24
DOI 10.1007/BF01405268, PubMed 2683600

Silberg IE, Ose L, Flage T, Nakstad P (1988)
[Fraser's syndrome--cryptophthalmia]
Tidsskr Nor Laegeforen, 108 (25), 1998-9
PubMed 3144053

Bakke SJ, Nakstad PH, Aakhus T (1988)
Intravenous digital subtraction angiography of the precerebral and cerebral arteries in patients with TIA. A comparison with conventional angiography
Eur J Radiol, 8 (3), 140-4
PubMed 3049084

Aaserud O, Gjerstad L, Nakstad P, Nyberg-Hansen R, Hommeren OJ, Tvedt B, Russell D, Rootwelt K (1988)
Neurological examination, computerized tomography, cerebral blood flow and neuropsychological examination in workers with long-term exposure to carbon disulfide
Toxicology, 49 (2-3), 277-82
DOI 10.1016/0300-483x(88)90009-1, PubMed 3376132

Lundar T, Nakstad P (1988)
[Use of computer tomography for the evaluation of adequate shunt function]
Tidsskr Nor Laegeforen, 108 (11), 828
PubMed 3376059

Skalpe IO, Nakstad P (1988)
Myelography with iohexol (Omnipaque); a clinical report with special reference to the adverse effects
Neuroradiology, 30 (2), 169-74
DOI 10.1007/BF00395620, PubMed 3386812

Nakstad P, Nornes H, Hauge HN, Kjartansson O (1988)
Cerebral panangiography in spontaneous subarachnoid hemorrhage from intracranial aneurysms
Acta Radiol, 29 (6), 633-6
PubMed 3190940

Lindegaard KF, Nornes H, Bakke SJ, Sorteberg W, Nakstad P (1988)
Cerebral vasospasm after subarachnoid haemorrhage investigated by means of transcranial Doppler ultrasound
Acta Neurochir Suppl (Wien), 42, 81-4
DOI 10.1007/978-3-7091-8975-7_16, PubMed 3055838

Mellem H, Johansen B, Nakstad P, Russell D, Seim H (1987)
Unilateral phrenic nerve paralysis caused by osteoarthritis of the cervical spine
Eur J Respir Dis, 71 (1), 56-8
PubMed 3653306

Nakstad P (1987)
Myelographic findings in cervical spines without degenerative changes. Special reference to sagittal diameter of the dural sac
Neuroradiology, 29 (3), 256-8
DOI 10.1007/BF00451763, PubMed 3614622

Eide N, Nakstad P (1987)
Secondary retinal detachment interpreted as a part of uveal melanoma by CT-scan
Acta Ophthalmol Suppl (1985), 182, 154-9
DOI 10.1111/j.1755-3768.1987.tb02618.x, PubMed 2837051

Nakstad P (1987)
Spontaneous occlusion of traumatic pericallosal aneurysm and pericallosal artery
Neuroradiology, 29 (3), 312
DOI 10.1007/BF00451778, PubMed 3614633

Gjerstad L, Nyberg-Hansen R, Bjørland O, Nakstad P, Russell D, Rootwelt K (1986)
Herpes zoster ophthalmicus with cerebral angiitis and reduced cerebral blood flow
Acta Neurol Scand, 74 (6), 460-6
DOI 10.1111/j.1600-0404.1986.tb07871.x, PubMed 3493617

Bakke SJ, Nakstad P, Askhus T, Russell D, Nyberg-Hansen R (1986)
[Angiography of the carotid and intracranial arteries. A comparison between intravenous digital subtraction angiography and conventional angiography]
Tidsskr Nor Laegeforen, 106 (25), 2058-60, 2082
PubMed 3775731

Bakke SJ, Nakstad P, Kjartansson O, von Krogh J, Dahl A, Nyberg-Hansen R (1986)
[Intra-arterial digital subtraction angiography of the carotid arteries]
Tidsskr Nor Laegeforen, 106 (7), 580-2
PubMed 3515626

Stensvold K, Slørdahl S, Lie SO, Bostad R, Nakstad P, Hovind KH (1986)
[Primary intraspinal tumors in children]
Tidsskr Nor Laegeforen, 106 (4), 310-2
PubMed 3961748

Russell D, Bakke SJ, Wiberg J, Nakstad P, Nyberg-Hansen R (1986)
Patency and flow velocity profiles in the internal carotid artery assessed by digital subtraction angiography and Doppler studies three months following endarterectomy
J Neurol Neurosurg Psychiatry, 49 (2), 183-6
DOI 10.1136/jnnp.49.2.183, PubMed 2936870

Nakstad PH, Bakke SJ, Kjartansson O, von Krogh J (1986)
Omnipaque vs. Hexabrix in intravenous DSA of the carotid arteries: randomized double-blind crossover study
AJNR Am J Neuroradiol, 7 (2), 303-4
PubMed 3082163

Lindegaard KF, Bakke SJ, Sorteberg W, Nakstad P, Nornes H (1986)
A non-invasive Doppler ultrasound method for the evaluation of patients with subarachnoid hemorrhage
Acta Radiol Suppl, 369, 96-8
PubMed 2980623

Nakstad P, Nornes H, Hauge HN (1986)
Traumatic aneurysms of the pericallosal arteries
Neuroradiology, 28 (4), 335-8
DOI 10.1007/BF00333440, PubMed 3762911

Nakstad P, Bakke SJ, Kjartansson O, Nyhus S (1986)
Intra-arterial digital subtraction angiography of the carotid arteries. Special reference to contrast media
Neuroradiology, 28 (3), 195-8
DOI 10.1007/BF00548191, PubMed 3523283

Russell D, Bakke SJ, Nakstad P, Wiberg J, Nyberg-Hansen R (1985)
A comparison of pulsed Doppler spectral analysis and intravenous digital subtraction angiography in the detection of carotid occlusive disease
Acta Neurol Scand, 72 (6), 571-6
DOI 10.1111/j.1600-0404.1985.tb00916.x, PubMed 3913272

Bakke SJ, Kjartansson O, Nakstad P, Wester K (1985)
[Intracranial processes. Localization by computer tomography]
Tidsskr Nor Laegeforen, 105 (25), 1695-8
PubMed 4049350

Nakstad P, Bakke SJ, Kjartansson O (1985)
[Intravenous digital subtraction angiography of the vessels of the neck. A comparison between Isopaque and Omnipaque]
Tidsskr Nor Laegeforen, 105 (5), 367-8
PubMed 3885474

Nakstad P, Aaserud O, Ganes T, Nyberg-Hansen R (1985)
Functional cervical myelography with iohexol
Neuroradiology, 27 (3), 220-5
DOI 10.1007/BF00344492, PubMed 4010921

Vatne K, Nakstad P, Lundar T (1985)
Digital subtraction angiography (DSA) in the evaluation of brain death. A comparison of conventional cerebral angiography with intravenous and intraarterial DSA
Neuroradiology, 27 (2), 155-7
DOI 10.1007/BF00343787, PubMed 3887204

Nakstad P, Sortland O, Wiberg J (1985)
The correlation of myelographic root sleeve deformity, uncovertebral spondylosis and radiculopathy
Neuroradiology, 27 (4), 334-6
DOI 10.1007/BF00339567, PubMed 4047390

Russell D, Lindegaard KF, Nakstad P, Nyberg-Hansen R, Oygarden KG (1984)
Detection of carotid occlusive disease by pulsed Doppler spectral analysis
J Neurol Neurosurg Psychiatry, 47 (12), 1307-13
DOI 10.1136/jnnp.47.12.1307, PubMed 6392482

Larssen TB, Hovind K, Smevik B, Nakstad P, Swensen T, Vidnes J (1984)
[Cerebral ultrasonography of neonates and infants]
Tidsskr Nor Laegeforen, 104 (16), 1143-5
PubMed 6740610

Ganes T, Nakstad P (1984)
Subcomponents of the cervical evoked response in patients with intracerebral circulatory arrest
J Neurol Neurosurg Psychiatry, 47 (3), 292-7
DOI 10.1136/jnnp.47.3.292, PubMed 6707676

Nakstad P, Aaserud O, Helgetveit A, Nyberg-Hansen R, Ganes T, Bach-Gansmo T (1984)
Cervical myelography with iohexol
Neuroradiology, 26 (2), 123-9
DOI 10.1007/BF00339860, PubMed 6717790

RUSSELL D, BAKKE SJ, WIBERG J, NAKSTAD P, NYBERGHANSEN R (1984)
PATENCY AND FLOW VELOCITY PROFILES IN THE INTERNAL CAROTID-ARTERY 3 MONTHS FOLLOWING ENDARTERECTOMY
Acta Neurol. Scand., 69 98, 295-296

RUSSELL D, LINDEGAARD KF, NAKSTAD P, NYBERGHANSEN R, OYGARDEN KG (1984)
DETECTION OF CAROTID OCCLUSIVE DISEASE BY PULSED DOPPLER SPECTRAL-ANALYSIS
Acta Neurol. Scand., 69 98, 297-298

Nakstad P, Helgetveit A, Aaserud O, Ganes T, Nyberg-Hansen R (1984)
Iohexol compared to metrizamide in cervical and thoracic myelography. A randomized double blind parallel study
Neuroradiology, 26 (6), 479-84
DOI 10.1007/BF00342685, PubMed 6390248

RUSSELL D, BAKKE SJ, WIBERG J, NAKSTAD P, NYBERGHANSEN R (1984)
A COMPARISON OF PULSED DOPPLER SPECTRAL-ANALYSIS AND INTRAVENOUS DIGITAL SUBTRACTION ANGIOGRAPHY IN THE DETECTION OF CAROTID OCCLUSIVE DISEASE
Acta Neurol. Scand., 69 98, 293-294

Sporaland O, Nakstad P, Russell D, Nyberg-Hansen R (1983)
[Digital subtraction angiography of the cervical and cerebral vessels]
Tidsskr Nor Laegeforen, 103 (34-36), 2325-8
PubMed 6665781

Vatne K, Nakstad P, Kolbenstvedt A, Lantto L, Aakhus T (1983)
[Digital subtraction angiography]
Tidsskr Nor Laegeforen, 103 (29), 1988-91
PubMed 6648940

Grönneröd TA, Eldevik OP, Hindmarsh T, Kendall B, Nakstad PH (1983)
Documentation of a new contrast medium for the subarachnoid space. Demands, design and results from the first multicentre trial with iohexol
Acta Radiol Diagn (Stockh), 24 (6), 487-91
DOI 10.1177/028418518302400610, PubMed 6367366

Nakstad P, Aaserud O, Sortland O, Nyberg-Hansen R (1983)
Functional lumbar myelography with iohexol
Acta Radiol Diagn (Stockh), 24 (6), 493-7
DOI 10.1177/028418518302400611, PubMed 6670590

Eldevik OP, Nakstad P, Kendall BE, Hindmarsh T (1983)
Iohexol in lumbar myelography: preliminary results from an open, noncomparative multicenter clinical study
AJNR Am J Neuroradiol, 4 (3), 299-301
PubMed 6410725

Nakstad P (1983)
Digital subtraction angiography of the carotid arteries. A comparison of iohexol and metrizoate
Acta Radiol Suppl, 366, 89-93
PubMed 6382941

Nakstad P, Sortland O, Aaserud O (1983)
Iohexol compared to meglumine-Ca-metrizoate in common carotid angiography. A randomized double blind cross-over study in man
Neuroradiology, 25 (1), 33-6
DOI 10.1007/BF00327477, PubMed 6856079

Nakstad P, Kolbenstvedt A (1982)
[Radiographic diagnosis of mucocele of the frontal or ethmoid sinuses]
Tidsskr Nor Laegeforen, 102 (26), 1338-40
PubMed 7164082

Nakstad P, Kolmannskog F, Kolbenstvedt A, Sødal G (1982)
Computed tomography in surgical complications following renal transplantation
J Comput Assist Tomogr, 6 (2), 286-9
DOI 10.1097/00004728-198204000-00010, PubMed 7042778

Nakstad P, Sortland O, Aaserud O, Lundervold A (1982)
Cerebral angiography with the non-ionic water-soluble contrast medium iohexol and meglumine-Ca-metrizoate. A randomized double blind parallel study in man
Neuroradiology, 23 (4), 199-202
DOI 10.1007/BF00342540, PubMed 7121809

Nakstad P, Sortland O, Hovind K (1982)
The evaluation of ventriculography as a supplement to computed tomography
Neuroradiology, 23 (2), 85-8
DOI 10.1007/BF00367242, PubMed 6979004

Nakstad PH, Petlund CF (1981)
[Shoulder arthrography in rupture of supraspinatus tendon]
Tidsskr Nor Laegeforen, 101 (34-36), 1965-7
PubMed 7339988

Nakstad PH, Kolmannskog F, Kolbenstvedt A, Dullerud R, Aakhus T, Sødal G (1981)
[Computed tomography of renal transplants]
Tidsskr Nor Laegeforen, 101 (3), 207-10
PubMed 7010670

Kolmannskog F, Kolbenstvedt A, Nakstad PH, Aakhus T (1981)
Computer tomography and angiography in renal angiomyolipoma
Acta Radiol Diagn (Stockh), 22 (6), 635-9
DOI 10.1177/028418518102200602, PubMed 7347112

Nakstad PH, Skalpe IO (1981)
Computed tomography in the evaluation of the supraclinoid arteries in suprasellar pituitary gland tumors
Acta Radiol Diagn (Stockh), 22 (4), 399-402
DOI 10.1177/028418518102200402, PubMed 7331851

Russell D, Nakstad P, Sjaastad O (1978)
Cluster headache--pneumoencephalographic and cerebral computerized axial tomography findings
Headache, 18 (5), 272-3
DOI 10.1111/j.1526-4610.1978.hed1805272.x, PubMed 721460

Review articles

Rønning P, Sorteberg W, Nakstad P, Russell D, Helseth E (2008)
Aspects of intracerebral hematomas--an update
Acta Neurol Scand, 118 (6), 347-61
DOI 10.1111/j.1600-0404.2008.01023.x, PubMed 18462476

Meling TR, Helseth E, Unsgård G, Nakstad PH, Wester K (2005)
[Brain metastases in adults]
Tidsskr Nor Laegeforen, 125 (16), 2179-82
PubMed 16138130

Bakke SJ, Lilleås F, Smievoll AI, Myhr G, Nakstad PH, Bajic R, Larmo A (2003)
[Use of MR in the diagnosis of multiple sclerosis]
Tidsskr Nor Laegeforen, 123 (10), 1349-51
PubMed 12806675

Nakstad PH, Hald JK (2000)
[Neurologic magnetic resonance tomography--indications and practical use]
Tidsskr Nor Laegeforen, 120 (11), 1342-6
PubMed 10868099

Strømsøe K, Magnaes B, Nakstad P (2000)
Open reduction and internal fixation in flexion-distraction injuries to the lower spine in children and adolescents involved in traffic accidents as car occupants. A report and literature review
Arch Orthop Trauma Surg, 120 (1-2), 96-9
DOI 10.1007/pl00021224, PubMed 10653113

Nakstad PH (1999)
Interventional neuroradiology
Acta Radiol, 40 (4), 344-59
DOI 10.3109/02841859909177747, PubMed 10394861