Audun Elnæs Berstad

  • Consultant, researcher; MD, PhD

Publications 2022

Frich PS, Sigstad E, Berstad AE, Fagerlid KH, Paulsen TH, Bjøro T, Flinder LI (2022)
Long-Term Efficacy of Ethanol Ablation as Treatment of Metastatic Lymph Nodes From Papillary Thyroid Carcinoma
J Clin Endocrinol Metab, 107 (5), e2141-e2147
DOI 10.1210/clinem/dgab907, PubMed 34922379

Publications 2021

Kjøsen G, Rydenfelt K, Horneland R, Aandahl EM, Line PD, Dorenberg E, Berstad AE, Brabrand K, Hagen G, Pischke SE, Bergmann GB, Nordheim E, Jenssen TG, Tønnessen TI, Haugaa H (2021)
Early detection of complications in pancreas transplants by microdialysis catheters, an observational feasibility study
PLoS One, 16 (3), e0247615
DOI 10.1371/journal.pone.0247615, PubMed 33705460

Publications 2020

Dagenborg VJ, Marshall SE, Yaqub S, Grzyb K, Boye K, Lund-Iversen M, Høye E, Berstad AE, Fretland ÅA, Edwin B, Ree AH, Flatmark K (2020)
Neoadjuvant chemotherapy is associated with a transient increase of intratumoral T-cell density in microsatellite stable colorectal liver metastases
Cancer Biol Ther, 21 (5), 432-440
DOI 10.1080/15384047.2020.1721252, PubMed 32098573

Publications 2019

Berstad AE, Brabrand K, Horneland R, Syversveen T, Haugaa H, Jenssen TG, Foss A (2019)
Microbubble contrast-enhanced ultrasound in the vascular evaluation after pancreas transplantation: a single-center experience
Acta Radiol, 60 (10), 1224-1231
DOI 10.1177/0284185119828190, PubMed 30754980

Publications 2017

Kleive D, Berstad AE, Sahakyan MA, Verbeke CS, Naper C, Haugvik SP, Gladhaug IP, Line PD, Labori KJ (2017)
Portal vein reconstruction using primary anastomosis or venous interposition allograft in pancreatic surgery
J Vasc Surg Venous Lymphat Disord, 6 (1), 66-74
DOI 10.1016/j.jvsv.2017.09.003, PubMed 29128301

Kleive D, Sahakyan MA, Berstad AE, Verbeke CS, Gladhaug IP, Edwin B, Fosby B, Line PD, Labori KJ (2017)
Trends in indications, complications and outcomes for venous resection during pancreatoduodenectomy
Br J Surg, 104 (11), 1558-1567
DOI 10.1002/bjs.10603, PubMed 28815556

Vandraas KF, Torfoss D, Berstad AE, Horndalsveen H, Turowski G (2017)
[Cancer patient in his 50's with troublesome palpitations]
Tidsskr Nor Laegeforen, 137 (16)
DOI 10.4045/tidsskr.17.0204, PubMed 28871750

Vandraas KF, Torfoss D, Berstad AE, Horndalsveen H, Turowski G (2017)
Cancer patient in the 50s with troublesome palpitations
Tidsskr. Nor. Laegeforen., 137 (16), 1210-1213

Østrup O, Dagenborg VJ, Rødland EA, Skarpeteig V, Silwal-Pandit L, Grzyb K, Berstad AE, Fretland ÅA, Mælandsmo GM, Børresen-Dale AL, Ree AH, Edwin B, Nygaard V, Flatmark K (2017)
Molecular signatures reflecting microenvironmental metabolism and chemotherapy-induced immunogenic cell death in colorectal liver metastases
Oncotarget, 8 (44), 76290-76304
DOI 10.18632/oncotarget.19350, PubMed 29100312

Publications 2016

Berstad AE (2016)
Duplicate publications: attack of the clones
Acta Radiol, 57 (7), 775-6
DOI 10.1177/0284185116631186, PubMed 26868170

Kleive D, Berstad AE, Verbeke CS, Haugvik SP, Gladhaug IP, Line PD, Labori KJ (2016)
Cold-stored cadaveric venous allograft for superior mesenteric/portal vein reconstruction during pancreatic surgery
HPB (Oxford), 18 (7), 615-22
DOI 10.1016/j.hpb.2016.05.010, PubMed 27346143

Sahakyan MA, Yaqub S, Kazaryan AM, Villanger O, Berstad AE, Labori KJ, Edwin B, Røsok BI (2016)
Laparoscopic Completion Pancreatectomy for Local Recurrence in the Pancreatic Remnant after Pancreaticoduodenectomy: Case Reports and Review of the Literature
J Gastrointest Cancer, 47 (4), 509-513
DOI 10.1007/s12029-015-9796-y, PubMed 26732389

Publications 2015

Berstad AE (2015)
Missing microbes How killing bacteria creates modern plaques.
Tidsskr. Nor. Laegeforen., 135 (16), 1478

Line PD, Hagness M, Berstad AE, Foss A, Dueland S (2015)
A Novel Concept for Partial Liver Transplantation in Nonresectable Colorectal Liver Metastases: The RAPID Concept
Ann Surg, 262 (1), e5-9
DOI 10.1097/SLA.0000000000001165, PubMed 25692361

Publications 2014

Andersen HK, Jensen K, Berstad AE, Aaløkken TM, Kristiansen J, von Gohren Edwin B, Hagen G, Martinsen AC (2014)
Choosing the best reconstruction technique in abdominal computed tomography: a systematic approach
J Comput Assist Tomogr, 38 (6), 853-8
DOI 10.1097/RCT.0000000000000139, PubMed 25119064

Bugge AS, Naalsund A, Johnsrud K, Berstad AE, Kongerud J, Lund MB (2014)
PET-CT in the assessment of lung cancer at Rikshospitalet from 2007-2011
Tidsskr Nor Laegeforen, 134 (9), 938-44
DOI 10.4045/tidsskr.12.1512, PubMed 24828720

Publications 2012

Berstad AE, Smith HJ, Abildgaard A (2012)
Imaging of Complications After Laparoscopic Hepatobiliary Surgery
Curr. Med. Imaging Rev., 8 (2), 117-121

Brabrand K, Midtvedt K, Günther A, Marthinsen PB, Berstad AE (2012)
Color Doppler ultrasound-guided transducer compression of post biopsy bleeding of kidney transplants
J Clin Ultrasound, 41 (1), 26-31
DOI 10.1002/jcu.21983, PubMed 22927091

Syversveen T, Midtvedt K, Berstad AE, Brabrand K, Strøm EH, Abildgaard A (2012)
Tissue elasticity estimated by acoustic radiation force impulse quantification depends on the applied transducer force: an experimental study in kidney transplant patients
Eur Radiol, 22 (10), 2130-7
DOI 10.1007/s00330-012-2476-4, PubMed 22610533

Aaløkken TM, Naalsund A, Mynarek G, Berstad AE, Solberg S, Strøm EH, Scott H, Kolbenstvedt A, Søyseth V (2012)
Diagnostic accuracy of computed tomography and histopathology in the diagnosis of usual interstitial pneumonia
Acta Radiol, 53 (3), 296-302
DOI 10.1258/ar.2011.110482, PubMed 22334869

Publications 2011

Stenset V, Hofoss D, Johnsen L, Berstad AE, Negaard A, Skinningsrud A, Gjerstad L, Fladby T (2011)
White matter lesion load increases the risk of low CSF Aβ42 in apolipoprotein E-ɛ4 carriers attending a memory clinic
J Neuroimaging, 21 (2), e78-82
DOI 10.1111/j.1552-6569.2009.00444.x, PubMed 19888930

Syversveen T, Brabrand K, Midtvedt K, Strøm EH, Hartmann A, Berstad AE (2011)
Non-invasive assessment of renal allograft fibrosis by dynamic sonographic tissue perfusion measurement
Acta Radiol, 52 (8), 920-6
DOI 10.1258/ar.2011.110215, PubMed 21873503

Publications 2010

Berstad AE, Solheim H, Bugge A (2010)
[Molecular imaging]
Tidsskr Nor Laegeforen, 130 (16), 1622
DOI 10.4045/tidsskr.10.0072, PubMed 20824945

Syversveen T, Brabrand K, Midtvedt K, Strøm EH, Hartmann A, Jakobsen JA, Berstad AE (2010)
Assessment of renal allograft fibrosis by acoustic radiation force impulse quantification--a pilot study
Transpl Int, 24 (1), 100-5
DOI 10.1111/j.1432-2277.2010.01165.x, PubMed 20819192

Publications 2009

Berstad AE, Brabrand K, Foss A (2009)
Clinical utility of microbubble contrast-enhanced ultrasound in the diagnosis of hepatic artery occlusion after liver transplantation
Transpl Int, 22 (10), 954-60
DOI 10.1111/j.1432-2277.2009.00898.x, PubMed 19497067

Publications 2008

Negaard A, Sandvik L, Berstad AE, Paulsen V, Lygren I, Borthne A, Klow NE (2008)
MRI of the small bowel with oral contrast or nasojejunal intubation in Crohn's disease: randomized comparison of patient acceptance
Scand J Gastroenterol, 43 (1), 44-51
DOI 10.1080/00365520701494813, PubMed 18158695

Stenset V, Hofoss D, Berstad AE, Negaard A, Gjerstad L, Fladby T (2008)
White matter lesion subtypes and cognitive deficits in patients with memory impairment
Dement Geriatr Cogn Disord, 26 (5), 424-31
DOI 10.1159/000165355, PubMed 18946220

Stenset V, Hofoss D, Johnsen L, Skinningsrud A, Berstad AE, Negaard A, Reinvang I, Gjerstad L, Fladby T (2008)
White matter lesion severity is associated with reduced cognitive performances in patients with normal CSF Abeta42 levels
Acta Neurol Scand, 118 (6), 373-8
DOI 10.1111/j.1600-0404.2008.01045.x, PubMed 18510598

Publications 2007

Morken MH, Berstad AE, Nysaeter G, Berstad A (2007)
Intestinal gas in plain abdominal radiographs does not correlate with symptoms after lactulose challenge
Eur J Gastroenterol Hepatol, 19 (7), 589-93
DOI 10.1097/MEG.0b013e328133f2e7, PubMed 17556907

Negaard A, Paulsen V, Sandvik L, Berstad AE, Borthne A, Try K, Lygren I, Storaas T, Klow NE (2007)
A prospective randomized comparison between two MRI studies of the small bowel in Crohn's disease, the oral contrast method and MR enteroclysis
Eur Radiol, 17 (9), 2294-301
DOI 10.1007/s00330-007-0648-4, PubMed 17483955

Tran TT, Berstad AE, Zasada W (2007)
[Urography findings after total cystectomy and urinary diversion]
Tidsskr Nor Laegeforen, 127 (12), 1634-6
PubMed 17571100

Publications 2006

Berstad AE, Aabakken L, Smith HJ, Aasen S, Boberg KM, Schrumpf E (2006)
Diagnostic accuracy of magnetic resonance and endoscopic retrograde cholangiography in primary sclerosing cholangitis
Clin Gastroenterol Hepatol, 4 (4), 514-20
DOI 10.1016/j.cgh.2005.10.007, PubMed 16616358

Berstad AE, Aaløkken TM, Kolbenstvedt A, Bjørtuft O (2006)
Performance of long-term CT monitoring in diagnosing bronchiolitis obliterans after lung transplantation
Eur J Radiol, 58 (1), 124-31
DOI 10.1016/j.ejrad.2005.11.013, PubMed 16387465

Negaard A, Sandvik L, Mulahasanovic A, Berstad AE, Klöw NE (2006)
Magnetic resonance enteroclysis in the diagnosis of small-intestinal Crohn's disease: diagnostic accuracy and inter- and intra-observer agreement
Acta Radiol, 47 (10), 1008-16
DOI 10.1080/02841850600979071, PubMed 17135001

Publications 2003

Berstad AE, Kolbenstvedt A, Aaløkken TM, Naalsund A, Rostad H (2003)
[Computed tomography in lung cancer--technique and quality]
Tidsskr Nor Laegeforen, 123 (23), 3384-6
PubMed 14713974

Publications 2002

Berstad AE, Berstad K, Berstad A (2002)
PH-activated phospholipase A2: an important mucosal barrier breaker in peptic ulcer disease
Scand J Gastroenterol, 37 (6), 738-42
DOI 10.1080/00365520212493, PubMed 12126256

Berstad AE, Bø SH, Sortland O (2002)
[Cerebral computer tomography in subarachnoid hemorrhage]
Tidsskr Nor Laegeforen, 122 (3), 267-71
PubMed 11894594

Tefera S, Hatlebakk JG, Berstad AE, Berstad A (2002)
Eradication of Helicobacter pylori does not increase acid reflux in patients with mild to moderate reflux oesophagitis
Scand J Gastroenterol, 37 (8), 877-83
DOI 10.1080/003655202760230810, PubMed 12229960

Publications 2001

Berstad AE, Høgåsen K, Bukholm G, Moran AP, Brandtzaeg P (2001)
Complement activation directly induced by Helicobacter pylori
Gastroenterology, 120 (5), 1108-16
DOI 10.1053/gast.2001.23248, PubMed 11266375

Publications 2000

Berstad AE, Brandtzaeg P (2000)
[Does reduced microbial exposure contribute to increased prevalence of allergy?]
Tidsskr Nor Laegeforen, 120 (8), 915-9
PubMed 10795495

Publications 1999

Berstad AE (1999)
[In Bill Clinton's home state. Letter from Arkansas]
Tidsskr Nor Laegeforen, 119 (27), 4085-7
PubMed 10613104

Berstad AE, Kilian M, Valnes KN, Brandtzaeg P (1999)
Increased mucosal production of monomeric IgA1 but no IgA1 protease activity in Helicobacter pylori gastritis
Am J Pathol, 155 (4), 1097-104
DOI 10.1016/S0002-9440(10)65212-1, PubMed 10514392

Publications 1998

Berstad AE, Berstad K, Berstad A (1998)
[Physiopathology of Helicobacter pylori infection]
Tidsskr Nor Laegeforen, 118 (18), 2790-3
PubMed 9748810

Berstad AE, Brandtzaeg P (1998)
Expression of cell membrane complement regulatory glycoproteins along the normal and diseased human gastrointestinal tract
Gut, 42 (4), 522-9
DOI 10.1136/gut.42.4.522, PubMed 9616315

Publications 1997

Berstad AE, Brandtzaeg P, Stave R, Halstensen TS (1997)
Epithelium related deposition of activated complement in Helicobacter pylori associated gastritis
Gut, 40 (2), 196-203
DOI 10.1136/gut.40.2.196, PubMed 9071931

Berstad AE, Hatlebakk JG, Maartmann-Moe H, Berstad A, Brandtzaeg P (1997)
Helicobacter pylori gastritis and epithelial cell proliferation in patients with reflux oesophagitis after treatment with lansoprazole
Gut, 41 (6), 740-7
DOI 10.1136/gut.41.6.740, PubMed 9462205

Brandtzaeg P, Berstad AE, Farstad IN, Haraldsen G, Helgeland L, Jahnsen FL, Johansen FE, Natvig IB, Nilsen EM, Rugtveit J (1997)
Mucosal immunity--a major adaptive defence mechanism
Behring Inst Mitt (98), 1-23
PubMed 9382729

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