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Publications by Bjørn Hofstad

51 publications found

Original articles

Njølstad T, Young VS, Drolsum A, Dormagen JB, Hofstad B, Schulz A (2021)
Is there need for routine CT colonography after CT-verified uncomplicated diverticulitis of the sigmoid colon?
Eur J Radiol Open, 8, 100341
DOI 10.1016/j.ejro.2021.100341, PubMed 33898653

Hauge T, Kleven OC, Johnson E, Hofstad B, Johannessen HO (2019)
Outcome after iatrogenic esophageal perforation
Scand J Gastroenterol, 54 (2), 140-144
DOI 10.1080/00365521.2019.1575464, PubMed 30857441

Hauge T, Kleven OC, Johnson E, Hofstad B, Johannessen HO (2018)
Outcome after accidental food bolus-induced esophageal perforation
Scand J Gastroenterol, 53 (8), 905-909
DOI 10.1080/00365521.2018.1495760, PubMed 30231806

Hauge T, Kleven OC, Johnson E, Hofstad B, Johannessen HO (2018)
Outcome after stenting and débridement for spontaneous esophageal rupture
Scand J Gastroenterol, 53 (4), 398-402
DOI 10.1080/00365521.2018.1448886, PubMed 29523026

Hugin S, Johnson E, Johannessen HO, Hofstad B, Olafsen K, Mellem H (2015)
Gastrobronchial fistula following minimally invasive esophagectomy for esophageal cancer in a patient with myotonic dystrophy: Case report
Int J Surg Case Rep, 17, 31-5
DOI 10.1016/j.ijscr.2015.10.023, PubMed 26520033

Hovde Ø, Haugen Lie Ø, Johansson PA, Stubhaug Ø, Johnson E, Hofstad B, Hauge T (2013)
Iatrogenic esophago-tracheal fistula: challenges in diagnosis and management
World J Gastroenterol, 19 (4), 594-6
DOI 10.3748/wjg.v19.i4.594, PubMed 23382643

Søberg T, Hofstad B, Sandvik L, Johansen M, Lygren I (2010)
[Risk factors for peptic ulcer bleeding]
Tidsskr Nor Laegeforen, 130 (11), 1135-9
DOI 10.4045/tidsskr.08.0693, PubMed 20531499

Gondal G, Johnson E, Johannessen HO, Hofstad B (2008)
[Treatment of oesophageal perforations]
Tidsskr Nor Laegeforen, 128 (9), 1050-2
PubMed 18451885

Hofstad B (2007)
[Explosion in rectum]
Tidsskr Nor Laegeforen, 127 (13), 1789-90
PubMed 17632809

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2005)
Biopsy of colorectal polyps is not adequate for grading of neoplasia
Endoscopy, 37 (12), 1193-7
DOI 10.1055/s-2005-921031, PubMed 16329016

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2005)
Lifestyle-related risk factors and chemoprevention for colorectal neoplasia: experience from the large-scale NORCCAP screening trial
Eur J Cancer Prev, 14 (4), 373-9
DOI 10.1097/00008469-200508000-00010, PubMed 16030428

Almendingen K, Hofstad B, Vatn MH (2004)
Dietary habits and growth and recurrence of colorectal adenomas: results from a three-year endoscopic follow-up study
Nutr Cancer, 49 (2), 131-8
DOI 10.1207/s15327914nc4902_3, PubMed 15489205

Bretthauer M, Skovlund E, Grotmol T, Thiis-Evensen E, Gondal G, Huppertz-Hauss G, Efskind P, Hofstad B, Thorp Holmsen S, Eide TJ, Hoff G (2003)
Inter-endoscopist variation in polyp and neoplasia pick-up rates in flexible sigmoidoscopy screening for colorectal cancer
Scand J Gastroenterol, 38 (12), 1268-74
DOI 10.1080/00365520310006513, PubMed 14750648

Bretthauer M, Jørgensen A, Kristiansen BE, Hofstad B, Hoff G (2003)
Quality control in colorectal cancer screening: systematic microbiological investigation of endoscopes used in the NORCCAP (Norwegian Colorectal Cancer Prevention) trial
BMC Gastroenterol, 3, 15
DOI 10.1186/1471-230X-3-15, PubMed 12803654

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2003)
The Norwegian Colorectal Cancer Prevention (NORCCAP) screening study: baseline findings and implementations for clinical work-up in age groups 50-64 years
Scand J Gastroenterol, 38 (6), 635-42
DOI 10.1080/00365520310003002, PubMed 12825872

Almendingen K, Hofstad B, Vatn MH (2003)
Does a family history of cancer increase the risk of occurrence, growth, and recurrence of colorectal adenomas?
Gut, 52 (5), 747-51
DOI 10.1136/gut.52.5.747, PubMed 12692063

Løvig T, Thorstensen L, Hofstad B, Andersen SN, Clausen OP, Vatn M, Lothe RA, Rognum TO (2003)
Genetic and protein markers related to in situ growth and multiplicity in small sporadic colorectal adenomas
Scand J Gastroenterol, 38 (3), 298-306
DOI 10.1080/00365520310000618, PubMed 12737446

Gondal G, Grotmol T, Hofstad B, Bretthauer M, Eide TJ, Hoff G (2003)
Grading of distal colorectal adenomas as predictors for proximal colonic neoplasia and choice of endoscope in population screening: experience from the Norwegian Colorectal Cancer Prevention study (NORCCAP)
Gut, 52 (3), 398-403
DOI 10.1136/gut.52.3.398, PubMed 12584223

Larsen IK, Grotmol T, Bretthauer M, Gondal G, Huppertz-Hauss G, Hofstad B, Efskind P, Jørgensen A, Hoff G (2002)
Continuous evaluation of patient satisfaction in endoscopy centres
Scand J Gastroenterol, 37 (7), 850-5
DOI 10.1080/713786520, PubMed 12190102

Almendingen K, Hofstad B, Vatn MH (2002)
Lifestyle-related factors and colorectal polyps: preliminary results from a Norwegian follow-up and intervention study
Eur J Cancer Prev, 11 (2), 153-8
DOI 10.1097/00008469-200204000-00007, PubMed 11984133

Almendingen K, Hofstad B, Vatn MH (2002)
Does intake of alcohol increase the risk of presence and growth of colorectal adenomas followed-up in situ for three years?
Scand J Gastroenterol, 37 (1), 80-7
DOI 10.1080/003655202753387400, PubMed 11843041

Almendingen K, Hofstad B, Trygg K, Hoff G, Hussain A, Vatn M (2001)
Current diet and colorectal adenomas: a case-control study including different sets of traditionally chosen control groups
Eur J Cancer Prev, 10 (5), 395-406
DOI 10.1097/00008469-200110000-00003, PubMed 11711754

Almendingen K, Hofstad B, Vatn MH (2001)
Does high body fatness increase the risk of presence and growth of colorectal adenomas followed up in situ for 3 years?
Am J Gastroenterol, 96 (7), 2238-46
DOI 10.1111/j.1572-0241.2001.03942.x, PubMed 11467659

Almendingen K, Trygg K, Hofstad B, Veierød MB, Vatn MH (2001)
Results from two repeated 5 day dietary records with a 1 y interval among patients with colorectal polyps
Eur J Clin Nutr, 55 (5), 374-9
DOI 10.1038/sj.ejcn.1601166, PubMed 11378811

Kristinsson J, Nygaard K, Aadland E, Barstad S, Sauar J, Hofstad B, Stray N, Stallemo A, Haug B, Ugstad M, Tøn H, Fuglerud P (2001)
Screening of first degree relatives of patients operated for colorectal cancer: evaluation of fecal calprotectin vs. hemoccult II
Digestion, 64 (2), 104-10
DOI 10.1159/000048848, PubMed 11684824

Almendingen K, Hofstad B, Trygg K, Hoff G, Hussain A, Vatn MH (2000)
Smoking and colorectal adenomas: a case-control study
Eur J Cancer Prev, 9 (3), 193-203
DOI 10.1097/00008469-200006000-00008, PubMed 10954259

Hofstad B, Vatn MH, Andersen SN, Owen RW, Larsen S, Osnes M (1998)
The relationship between faecal bile acid profile with or without supplementation with calcium and antioxidants on recurrence and growth of colorectal polyps
Eur J Cancer Prev, 7 (4), 287-94
DOI 10.1097/00008469-199808000-00004, PubMed 9806117

Hofstad B, Almendingen K, Vatn M, Andersen SN, Owen RW, Larsen S, Osnes M (1998)
Growth and recurrence of colorectal polyps: a double-blind 3-year intervention with calcium and antioxidants
Digestion, 59 (2), 148-56
DOI 10.1159/000007480, PubMed 9586828

Synnestvedt M, Meen O, Hofstad B (1997)
[Colorectal cancer. Location dependent symptoms?]
Tidsskr Nor Laegeforen, 117 (26), 3796-9
PubMed 9417683

Hofstad B, Vatn MH, Andersen SN, Huitfeldt HS, Rognum T, Larsen S, Osnes M (1996)
Growth of colorectal polyps: redetection and evaluation of unresected polyps for a period of three years
Gut, 39 (3), 449-56
DOI 10.1136/gut.39.3.449, PubMed 8949653

Krajci P, Meling GI, Andersen SN, Hofstad B, Vatn MH, Rognum TO, Brandtzaeg P (1996)
Secretory component mRNA and protein expression in colorectal adenomas and carcinomas
Br J Cancer, 73 (12), 1503-10
DOI 10.1038/bjc.1996.284, PubMed 8664120

Faivre J, Hofstad B, Bonelli L, Rooney P, Couillault C (1996)
European intervention trials of colorectal cancer prevention
IARC Sci Publ (136), 45-51
PubMed 8791115

Lothe RA, Andersen SN, Hofstad B, Meling GI, Peltomäki P, Heim S, Brøgger A, Vatn M, Rognum TO, Børresen AL (1995)
Deletion of 1p loci and microsatellite instability in colorectal polyps
Genes Chromosomes Cancer, 14 (3), 182-8
DOI 10.1002/gcc.2870140305, PubMed 8589034

Almendingen K, Trygg K, Larsen S, Hofstad B, Vatn MH (1995)
Dietary factors and colorectal polyps: a case-control study
Eur J Cancer Prev, 4 (3), 239-46
DOI 10.1097/00008469-199506000-00005, PubMed 7647692

Hofstad B, Vatn M, Larsen S, Osnes M (1994)
Growth of colorectal polyps: recovery and evaluation of unresected polyps of less than 10 mm, 1 year after detection
Scand J Gastroenterol, 29 (7), 640-5
DOI 10.3109/00365529409092485, PubMed 7939401

Hofstad B, Vatn M, Larsen S, Huitfeldt HS, Osnes M (1994)
In situ measurement of colorectal polyps to compare video and fiberoptic endoscopes
Endoscopy, 26 (5), 461-5
DOI 10.1055/s-2007-1009004, PubMed 7956955

Hofstad B, Vatn M, Hoff G, Larsen S, Osnes M (1992)
Growth of colorectal polyps: design of a prospective, randomized, placebo-controlled intervention study in patients with colorectal polyps
Eur J Cancer Prev, 1 (6), 415-22
PubMed 1463996

Haavik PE, Søreide E, Hofstad B, Steen PA (1992)
Does preoperative anxiety influence gastric fluid volume and acidity?
Anesth Analg, 75 (1), 91-4
DOI 10.1213/00000539-199207000-00017, PubMed 1535490

Aabakken L, Hofstad B, Westerheim J, Sandvik C, Larsen S, Osnes M (1992)
[Development and use of a database for gastroenterologic endoscopy]
Tidsskr Nor Laegeforen, 112 (11), 1441-5
PubMed 1631816

Hofstad B, Vatn M, Larsen S, Osnes M (1992)
Reliability of in situ measurements of colorectal polyps
Scand J Gastroenterol, 27 (1), 59-64
DOI 10.3109/00365529209011168, PubMed 1736344

Westerheim J, Aabakken L, Hofstad B, Larsen S, Osnes M (1991)
The SADE system: an endoscopic database manager
Endoscopy, 23 (5), 265-8
DOI 10.1055/s-2007-1010683, PubMed 1743126

Aabakken L, Westerheim J, Hofstad B, Larsen S, Osnes M (1991)
SADE database for endoscopic procedures: aspects of clinical use
Endoscopy, 23 (5), 269-71
DOI 10.1055/s-2007-1010684, PubMed 1743127

Aabakken L, Bjørnbeth BA, Hofstad B, Olaussen B, Larsen S, Osnes M (1989)
Comparison of the gastrointestinal side effects of naproxen formulated as plain tablets, enteric-coated tablets, or enteric-coated granules in capsules
Scand J Gastroenterol Suppl, 163, 65-73
DOI 10.3109/00365528909091177, PubMed 2814364

Hofstad B, Haavik PE, Wickstrøm E, Steen PA (1987)
Benzodiazepines as oral premedication. A comparison between oxazepam, flunitrazepam and placebo
Acta Anaesthesiol Scand, 31 (4), 295-9
DOI 10.1111/j.1399-6576.1987.tb02570.x, PubMed 3296605

Review articles

Hofstad B, Nesbakken A, Eritsland J, Brørs O, Sandset PM (2008)
[Should platelet inhibitors be discontinued before gastrointestinal endoscopy?]
Tidsskr Nor Laegeforen, 128 (21), 2440-2
PubMed 19096466

Hofstad B, Andersen SN, Nesbakken A (2007)
[Colorectal polyps]
Tidsskr Nor Laegeforen, 127 (20), 2692-5
PubMed 17952154

Hofstad B, Vatn M (1997)
Growth rate of colon polyps and cancer
Gastrointest Endosc Clin N Am, 7 (3), 345-63
PubMed 9177139

Other articles

Hoff G, Sauar J, Hofstad B, Vatn MH (1996)
The Norwegian guidelines for surveillance after polypectomy: 10-year intervals
Scand J Gastroenterol, 31 (9), 834-6
DOI 10.3109/00365529609051989, PubMed 8888428

HOFSTAD B, VATN M (1995)
SMALL COLORECTAL POLYPS - REPLY
Scand. J. Gastroenterol., 30 (3), 288

Book chapters

Nygaard K, Aadland E, Barstad S, Sauar J, Hofstad B, Stray N, Stallemo A, Haug B, Ugstad M, Ton H, Fuglerud P, Kristinsson J (2001)
Screening of first degree relatives of patients operated for colorectal cancer: evaluation of fecal calprotecin vs. hemocculat II
In Digestion, Karger, Basel, 64(2001)nr 2, s.104-110
BIBSYS 022002162

Theses

Hofstad B (1999)
Growth and recurrence of colorectal polyps: a follow-up and intervention study with calcium and antioxidants
Department of Gastroenterology, Medical Clinic, Ullevål Hospital, University of Oslo, [Oslo], 1 b. (flere pag.)
BIBSYS 990634051, ISBN 82-994984-0-6