Publications 2019

Haug Nordenmark T, Karic T, Røe C, Sorteberg W, Sorteberg A (2019)
The post-aSAH syndrome: a self-reported cluster of symptoms in patients with aneurysmal subarachnoid hemorrhage
J Neurosurg, 1-10 (in press)
DOI 10.3171/2019.1.JNS183168, PubMed 31003212

Lindegaard KF, Lundar T, Hauglie-Hanssen E, Sorteberg A, Sorteberg W, Magnaes B, Wiberg J, Bakke J (2019)
OBITUARY HELGE NORNES, has works published, Professor
Tidsskr. Nor. Laegeforen., 139 (7), 654

Sorteberg A, Bredmose PP, Hansen AE, Sorteberg W (2019)
The path from ictus to Neurosurgery: chronology and transport logistics of patients with aneurysmal subarachnoid haemorrhage in the South-Eastern Norway Health Region
Acta Neurochir (Wien) (in press)
DOI 10.1007/s00701-019-03971-9, PubMed 31197472

Publications 2018

Eide PK, Sorteberg A, Sorteberg W, Lindstrøm EK, Mardal KA, Ringstad G (2018)
"Bucket" cerebrospinal fluid bulk flow: when the terrain disagrees with the map
Acta Neurochir (Wien), 161 (2), 259-261
DOI 10.1007/s00701-018-3775-6, PubMed 30560378

Haug Nordenmark T, Karic T, Sorteberg W, Sorteberg A (2018)
Predictors of cognitive function in the acute phase after aneurysmal subarachnoid hemorrhage
Acta Neurochir (Wien), 161 (1), 177-184
DOI 10.1007/s00701-018-3760-0, PubMed 30535853

Khalid Z, Sorteberg W, Nedregaard B, Sorteberg A (2018)
Efficiency and complications of Woven EndoBridge (WEB) devices for treatment of larger, complex intracranial aneurysms-a single-center experience
Acta Neurochir (Wien), 161 (2), 393-401
DOI 10.1007/s00701-018-3752-0, PubMed 30547246

Lindstrøm EK, Ringstad G, Sorteberg A, Sorteberg W, Mardal KA, Eide PK (2018)
Magnitude and direction of aqueductal cerebrospinal fluid flow: large variations in patients with intracranial aneurysms with or without a previous subarachnoid hemorrhage
Acta Neurochir (Wien), 161 (2), 247-256
DOI 10.1007/s00701-018-3730-6, PubMed 30443816

Publications 2016

Karic T, Røe C, Nordenmark TH, Becker F, Sorteberg W, Sorteberg A (2016)
Effect of early mobilization and rehabilitation on complications in aneurysmal subarachnoid hemorrhage
J Neurosurg, 126 (2), 518-526
DOI 10.3171/2015.12.JNS151744, PubMed 27058204

Sundseth J, Sundseth A, Jacobsen EA, Pripp AH, Sorteberg W, Altmann M, Lindegaard KF, Berg-Johnsen J, Thommessen B (2016)
Predictors of early in-hospital death after decompressive craniectomy in swollen middle cerebral artery infarction
Acta Neurochir (Wien), 159 (2), 301-306
DOI 10.1007/s00701-016-3049-0, PubMed 27942881

Publications 2015

Eide PK, Sorteberg W (2015)
Outcome of Surgery for Idiopathic Normal Pressure Hydrocephalus: Role of Preoperative Static and Pulsatile Intracranial Pressure
World Neurosurg, 86, 186-193.e1
DOI 10.1016/j.wneu.2015.09.067, PubMed 26428326

Rosseland LA, Narum J, Stubhaug A, Kongsgaard U, Sorteberg W, Sorteberg A (2015)
The effect of tracheotomy on drug consumption in patients with acute aneurysmal subarachnoid hemorrhage: an observational study
BMC Anesthesiol, 15, 47
DOI 10.1186/s12871-015-0029-5, PubMed 25883531

Sundseth J, Sundseth A, Thommessen B, Johnsen LG, Altmann M, Sorteberg W, Lindegaard KF, Berg-Johnsen J (2015)
Long-term outcome and quality of life after craniectomy in speech-dominant swollen middle cerebral artery infarction
Neurocrit Care, 22 (1), 6-14
DOI 10.1007/s12028-014-0056-y, PubMed 25127905

Publications 2014

Eide PK, Sorteberg A, Meling TR, Sorteberg W (2014)
Baseline pressure errors (BPEs) extensively influence intracranial pressure scores: results of a prospective observational study
Biomed Eng Online, 13, 7
DOI 10.1186/1475-925X-13-7, PubMed 24472296

Eide PK, Sorteberg A, Meling TR, Sorteberg W (2014)
The effect of baseline pressure errors on an intracranial pressure-derived index: results of a prospective observational study
Biomed Eng Online, 13, 99
DOI 10.1186/1475-925X-13-99, PubMed 25052470

Erixon HO, Sorteberg A, Sorteberg W, Eide PK (2014)
Predictors of shunt dependency after aneurysmal subarachnoid hemorrhage: results of a single-center clinical trial
Acta Neurochir (Wien), 156 (11), 2059-69
DOI 10.1007/s00701-014-2200-z, PubMed 25143185

Meling TR, Sorteberg W, Bakke SJ, Jacobsen EA, Lane P, Vajkoczy P (2014)
Case report: a troublesome ophthalmic artery aneurysm
J Neurol Surg Rep, 75 (2), e230-5
DOI 10.1055/s-0034-1387187, PubMed 25485220

Sundseth J, Sundseth A, Berg-Johnsen J, Sorteberg W, Lindegaard KF (2014)
Cranioplasty with autologous cryopreserved bone after decompressive craniectomy: complications and risk factors for developing surgical site infection
Acta Neurochir (Wien), 156 (4), 805-11; discussion 811
DOI 10.1007/s00701-013-1992-6, PubMed 24493001

Publications 2013

Eide PK, Sorteberg AG, Meling TR, Sorteberg W (2013)
Directional intraoperative Doppler ultrasonography during surgery on cranial dural arteriovenous fistulas
Neurosurgery, 73 (2 Suppl Operative), ons211-22; discussion ons222-3
DOI 10.1227/NEU.0000000000000061, PubMed 23839518

Eide PK, Sorteberg W (2013)
An intracranial pressure-derived index monitored simultaneously from two separate sensors in patients with cerebral bleeds: comparison of findings
Biomed Eng Online, 12, 14
DOI 10.1186/1475-925X-12-14, PubMed 23405985

Sorteberg A, Nordermark TH, Finset A, Lindegaard KF, Lundar T, Sorteberg W (2013)
Over-aggressive treatment of grade V SAH patients
Neurosurgery, 73 (3), E560-1
DOI 10.1227/NEU.0000000000000021, PubMed 23756752

Publications 2012

Eide PK, Holm S, Sorteberg W (2012)
Simultaneous monitoring of static and dynamic intracranial pressure parameters from two separate sensors in patients with cerebral bleeds: comparison of findings
Biomed Eng Online, 11, 66
DOI 10.1186/1475-925X-11-66, PubMed 22958653

Eide PK, Sorteberg A, Bentsen G, Marthinsen PB, Stubhaug A, Sorteberg W (2012)
Pressure-derived versus pressure wave amplitude-derived indices of cerebrovascular pressure reactivity in relation to early clinical state and 12-month outcome following aneurysmal subarachnoid hemorrhage
J Neurosurg, 116 (5), 961-71
DOI 10.3171/2012.1.JNS111313, PubMed 22324419

Publications 2011

Eide PK, Bentsen G, Sorteberg AG, Marthinsen PB, Stubhaug A, Sorteberg W (2011)
A randomized and blinded single-center trial comparing the effect of intracranial pressure and intracranial pressure wave amplitude-guided intensive care management on early clinical state and 12-month outcome in patients with aneurysmal subarachnoid hemorrhage
Neurosurgery, 69 (5), 1105-15
DOI 10.1227/NEU.0b013e318227e0e1, PubMed 21670714

König M, Bakke SJ, Scheie D, Sorteberg W, Meling TR (2011)
Reactive expansive intracerebral process as a complication of endovascular coil treatment of an unruptured intracranial aneurysm: case report
Neurosurgery, 68 (5), E1468-73; discussion E1473-4
DOI 10.1227/NEU.0b013e318210c7c0, PubMed 21307790

Publications 2010

Eide PK, Sorteberg W (2010)
Simultaneous measurements of intracranial pressure parameters in the epidural space and in brain parenchyma in patients with hydrocephalus
J Neurosurg, 113 (6), 1317-25
DOI 10.3171/2010.7.JNS10483, PubMed 20799859

Eide PK, Sorteberg W (2010)
Diagnostic intracranial pressure monitoring and surgical management in idiopathic normal pressure hydrocephalus: a 6-year review of 214 patients
Neurosurgery, 66 (1), 80-91
DOI 10.1227/01.NEU.0000363408.69856.B8, PubMed 20023540

Haug T, Sorteberg A, Finset A, Lindegaard KF, Lundar T, Sorteberg W (2010)
Cognitive functioning and health-related quality of life 1 year after aneurysmal subarachnoid hemorrhage in preoperative comatose patients (Hunt and Hess Grade V patients)
Neurosurgery, 66 (3), 475-84; discussion 484-5
DOI 10.1227/01.NEU.0000365364.87303.AC, PubMed 20124932

Publications 2009

Haug T, Sorteberg A, Sorteberg W, Lindegaard KF, Lundar T, Finset A (2009)
Surgical repair of unruptured and ruptured middle cerebral artery aneurysms: impact on cognitive functioning and health-related quality of life
Neurosurgery, 64 (3), 412-20; discussion 421-2
DOI 10.1227/01.NEU.0000338952.13880.4E, PubMed 19240602

Haug T, Sorteberg A, Sorteberg W, Lindegaard KF, Lundar T, Finset A (2009)
Cognitive functioning and health related quality of life after rupture of an aneurysm on the anterior communicating artery versus middle cerebral artery
Br J Neurosurg, 23 (5), 507-15
DOI 10.1080/02688690902785701, PubMed 19718555

Publications 2008

Eide PK, Sorteberg W (2008)
Changes in intracranial pulse pressure amplitudes after shunt implantation and adjustment of shunt valve opening pressure in normal pressure hydrocephalus
Acta Neurochir (Wien), 150 (11), 1141-7; discussion 1147
DOI 10.1007/s00701-008-0138-8, PubMed 18936877

Meling TR, Sorteberg A, Bakke SJ, Slettebø H, Hernesniemi J, Sorteberg W (2008)
Blood blister-like aneurysms of the internal carotid artery trunk causing subarachnoid hemorrhage: treatment and outcome
J Neurosurg, 108 (4), 662-71
DOI 10.3171/JNS/2008/108/4/0662, PubMed 18377243

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

Sorteberg A, Bakke SJ, Boysen M, Sorteberg W (2008)
Angiographic balloon test occlusion and therapeutic sacrifice of major arteries to the brain
Neurosurgery, 63 (4), 651-60; dicussion 660-1
DOI 10.1227/01.NEU.0000325727.51405.D5, PubMed 18824944

Sorteberg W, Slettebø H, Eide PK, Stubhaug A, Sorteberg A (2008)
Surgical treatment of aneurysmal subarachnoid haemorrhage in the presence of 24-h endovascular availability: management and results
Br J Neurosurg, 22 (1), 53-62
DOI 10.1080/02688690701593553, PubMed 17852110

Publications 2007

Eide PK, Czosnyka M, Sorteberg W, Pickard JD, Smielewski P (2007)
Association between intracranial, arterial pulse pressure amplitudes and cerebral autoregulation in head injury patients
Neurol Res, 29 (6), 578-82
DOI 10.1179/016164107X172167, PubMed 17535570

Eide PK, Sorteberg W (2007)
Association among intracranial compliance, intracranial pulse pressure amplitude and intracranial pressure in patients with intracranial bleeds
Neurol Res, 29 (8), 798-802
DOI 10.1179/016164107X224132, PubMed 17601366

Eide PK, Sorteberg W, Meling T, Jörum E, Hald J, Stubhaug A (2007)
From intracranial pressure to intracranial pressure wave-guided intensive care management of a patient with an aneurysmal subarachnoid haemorrhage
Acta Anaesthesiol Scand, 51 (4), 501-4
DOI 10.1111/j.1399-6576.2007.01269.x, PubMed 17378790

Haug T, Sorteberg A, Sorteberg W, Lindegaard KF, Lundar T, Finset A (2007)
Cognitive outcome after aneurysmal subarachnoid hemorrhage: time course of recovery and relationship to clinical, radiological, and management parameters
Neurosurgery, 60 (4), 649-56; discussion 656-7
DOI 10.1227/01.NEU.0000255414.70807.A0, PubMed 17415201

Stenstam BH, Pellettieri L, Sorteberg W, Rezaei A, Sköld K (2007)
BNCT for recurrent intracranial meningeal tumours - case reports
Acta Neurol Scand, 115 (4), 243-7
DOI 10.1111/j.1600-0404.2006.00776.x, PubMed 17376121

Publications 2006

Eide PK, Sorteberg W (2006)
Intracranial pressure levels and single wave amplitudes, Glasgow Coma Score and Glasgow Outcome Score after subarachnoid haemorrhage
Acta Neurochir (Wien), 148 (12), 1267-75; discussion 1275-6
DOI 10.1007/s00701-006-0908-0, PubMed 17123038

Publications 2005

Eide PK, Sorteberg W (2005)
Preoperative spinal hydrodynamics versus clinical change 1 year after shunt treatment in idiopathic normal pressure hydrocephalus patients
Br J Neurosurg, 19 (6), 475-83
DOI 10.1080/02688690500495125, PubMed 16574559

Publications 2004

Sorteberg A, Sorteberg W, Aagaard BD, Rappe A, Strother CM (2004)
Hemodynamic versus hydrodynamic effects of Guglielmi detachable coils on intra-aneurysmal pressure and flow at varying pulse rate and systemic pressure
AJNR Am J Neuroradiol, 25 (6), 1049-57
PubMed 15205147

Streefkerk HJ, Wolfs JF, Sorteberg W, Sorteberg AG, Tulleken CA (2004)
The ELANA technique: constructing a high flow bypass using a non-occlusive anastomosis on the ICA and a conventional anastomosis on the SCA in the treatment of a fusiform giant basilar trunk aneurysm
Acta Neurochir (Wien), 146 (9), 1009-19; discussion 1019
DOI 10.1007/s00701-004-0296-2, PubMed 15340813

Publications 2002

Sorteberg A, Sorteberg W, Rappe A, Strother CM (2002)
Effect of Guglielmi detachable coils on intraaneurysmal flow: experimental study in canines
AJNR Am J Neuroradiol, 23 (2), 288-94
PubMed 11847057

Publications 2001

Boysen M, Due-Tønnesen B, Helseth E, Langmoen IA, Lindegaard KF, Sorteberg W, Bakke SJ, Aaløkken TM (2001)
[Resection of malignant tumors involving the anterior cranial fossa]
Tidsskr Nor Laegeforen, 121 (14), 1688-91
PubMed 11446010

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

Publications 1999

Sorteberg W, Sorteberg A, Lindegaard KF, Boysen M, Nornes H (1999)
Transcranial Doppler ultrasonography-guided management of internal carotid artery closure
Neurosurgery, 45 (1), 76-87; discussion 87-8
DOI 10.1097/00006123-199907000-00019, PubMed 10414569

Taubøll E, Sorteberg W, Owe JO, Lindegaard KF, Rusten K, Sorteberg A, Gjerstad L (1999)
Cerebral artery blood velocity in normal subjects during acute decreases in barometric pressure
Aviat Space Environ Med, 70 (7), 692-7
PubMed 10417006

Publications 1998

Sorteberg A, Sorteberg W, Bakke SJ, Lindegaard KF, Boysen M, Nornes H (1998)
Varying impact of common carotid artery digital compression and internal carotid artery balloon test occlusion on cerebral hemodynamics
Head Neck, 20 (8), 687-94
DOI 10.1002/(SICI)1097-0347(199812)20:8<687::AID-HED5>3.0.CO;2-1, PubMed 9790289

Publications 1997

Sorteberg A, Sorteberg W, Bakke SJ, Lindegaard KF, Boysen M, Nornes H (1997)
Cerebral haemodynamics in internal carotid artery trial occlusion
Acta Neurochir (Wien), 139 (11), 1066-73
DOI 10.1007/BF01411562, PubMed 9442222

Publications 1996

Sorteberg A, Sorteberg W, Lindegaard KF, Bakke JS, Nornes H (1996)
Haemodynamic classification of symptomatic obstructive carotid artery disease
Acta Neurochir (Wien), 138 (9), 1079-86; discussion 1086-7
DOI 10.1007/BF01412311, PubMed 8911545

Sorteberg A, Sorteberg W, Lindegaard KF, Nornes H (1996)
Cerebral haemodynamic considerations in obstructive carotid artery disease
Acta Neurochir (Wien), 138 (1), 68-75; discussion 75-6
DOI 10.1007/BF01411727, PubMed 8686528

Publications 1993

Lindegaard KF, Sorteberg W, Nornes H (1993)
Transcranial Doppler in neurosurgery
Adv Tech Stand Neurosurg, 20, 39-80
PubMed 8104401

Publications 1992

Dahl A, Lindegaard KF, Russell D, Nyberg-Hansen R, Rootwelt K, Sorteberg W, Nornes H (1992)
A comparison of transcranial Doppler and cerebral blood flow studies to assess cerebral vasoreactivity
Stroke, 23 (1), 15-9
DOI 10.1161/01.STR.23.1.15, PubMed 1731414

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

Publications 1991

Aaslid R, Newell DW, Stooss R, Sorteberg W, Lindegaard KF (1991)
Assessment of cerebral autoregulation dynamics from simultaneous arterial and venous transcranial Doppler recordings in humans
Stroke, 22 (9), 1148-54
DOI 10.1161/01.STR.22.9.1148, PubMed 1926257

Publications 1990

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
PubMed 2125805

NORNES H, SORTEBERG W, NAKSTAD P, BAKKE SJ, AASLID R, LINDEGAARD KF (1990)
HEMODYNAMIC ASPECTS OF CLINICAL CEREBRAL-ANGIOGRAPHY - CONCURRENT 2 VESSEL MONITORING USING TRANSCRANIAL DOPPLER ULTRASOUND
Acta Neurochir., 105 (3-4), 89-97

Sorteberg W, Langmoen IA, Lindegaard KF, Nornes H (1990)
Side-to-side differences and day-to-day variations of transcranial Doppler parameters in normal subjects
J Ultrasound Med, 9 (7), 403-9
PubMed 2197422

Publications 1989

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

Sorteberg W, Lindegaard KF, Rootwelt K, Dahl A, Nyberg-Hansen R, Russell D, Nornes H (1989)
Effect of acetazolamide on cerebral artery blood velocity and regional cerebral blood flow in normal subjects
Acta Neurochir (Wien), 97 (3-4), 139-45
DOI 10.1007/BF01772826, PubMed 2785746

Sorteberg W, Lindegaard KF, Rootwelt K, Dahl A, Russell D, Nyberg-Hansen R, Nornes H (1989)
Blood velocity and regional blood flow in defined cerebral artery systems
Acta Neurochir (Wien), 97 (1-2), 47-52
DOI 10.1007/BF01577739, PubMed 2785744

Aaslid R, Lindegaard KF, Sorteberg W, Nornes H (1989)
Cerebral autoregulation dynamics in humans
Stroke, 20 (1), 45-52
DOI 10.1161/01.STR.20.1.45, PubMed 2492126

Publications 1988

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
PubMed 3055838

Publications 1986

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