Ole Helmer Sjo
- Senior consultant; MD, PhD
Publications 2024
Surgical telementoring as teaching tool in the operating room: trans-Nordic IDEAL stage 2a telementored series of a robotic ventral mesh rectopexy learning curve
Br J Surg, 111 (6)
DOI 10.1093/bjs/znae123, PubMed 38864757
Aggregated 1-year complication rates and health-related quality of life after reconstructive surgery for rectal cancer with or without diverting stoma (Norwegian Stoma Trial): a protocol for national multicentre, open-label, prospective cohort study
BJS Open, 8 (1)
DOI 10.1093/bjsopen/zrae010, PubMed 38386703
Multiregional transcriptomics identifies congruent consensus subtypes with prognostic value beyond tumor heterogeneity of colorectal cancer
Nat Commun, 15 (1), 4342
DOI 10.1038/s41467-024-48706-2, PubMed 38773143
Early rectal cancer: The diagnostic performance of MRI supplemented with a rectal micro-enema and a modified staging system to identify tumors eligible for local excision
Acta Radiol Open, 13 (5), 20584601241241523
DOI 10.1177/20584601241241523, PubMed 38645439
MRI of early rectal cancer; bisacodyl micro-enema increases submucosal width, reader confidence, and tumor conspicuity
Abdom Radiol (NY) (in press)
DOI 10.1007/s00261-024-04701-1, PubMed 39645641
Publications 2021
Development and clinical implementation of a structured, simulation-based training programme in laparoscopic appendectomy: description, validation and evaluation
BMJ Simul Technol Enhanc Learn, 7 (6), 517-523
DOI 10.1136/bmjstel-2020-000728, PubMed 35520958
Publications 2019
Transanal total mesorectal excision for rectal cancer has been suspended in Norway
Br J Surg, 107 (1), 121-130
DOI 10.1002/bjs.11459, PubMed 31802481
Publications 2017
CpG island methylator phenotype identifies high risk patients among microsatellite stable BRAF mutated colorectal cancers
Int J Cancer, 141 (5), 967-976
DOI 10.1002/ijc.30796, PubMed 28542846
Publications 2014
Prognostic impact of genomic instability in colorectal cancer
Br J Cancer, 110 (8), 2159-64
DOI 10.1038/bjc.2014.133, PubMed 24642618
Publications 2012
Microsatellite instability has a positive prognostic impact on stage II colorectal cancer after complete resection: results from a large, consecutive Norwegian series
Ann Oncol, 24 (5), 1274-82
DOI 10.1093/annonc/mds614, PubMed 23235802
Prognostic impact of lymph node harvest and lymph node ratio in patients with colon cancer
Dis Colon Rectum, 55 (3), 307-15
DOI 10.1097/DCR.0b013e3182423f62, PubMed 22469798
Publications 2011
Lymph node micrometastases and isolated tumor cells influence survival in stage I and II colon cancer
Dis Colon Rectum, 54 (2), 200-6
DOI 10.1007/DCR.0b013e3181fd4c7c, PubMed 21228669
Peritoneal carcinomatosis of colon cancer origin: highest incidence in women and in patients with right-sided tumors
J Surg Oncol, 104 (7), 792-7
DOI 10.1002/jso.21959, PubMed 21547915
Publications 2010
DNA sequence profiles of the colorectal cancer critical gene set KRAS-BRAF-PIK3CA-PTEN-TP53 related to age at disease onset
PLoS One, 5 (11), e13978
DOI 10.1371/journal.pone.0013978, PubMed 21103049
Publications 2008
Sentinel node mapping does not improve staging of lymph node metastasis in colonic cancer
Dis Colon Rectum, 51 (6), 891-6
DOI 10.1007/s10350-007-9185-0, PubMed 18259817
Short term outcome after emergency and elective surgery for colon cancer
Colorectal Dis, 11 (7), 733-9
DOI 10.1111/j.1463-1318.2008.01613.x, PubMed 18624817
Publications 2007
Tumour location is a prognostic factor for survival in colonic cancer patients
Colorectal Dis, 10 (1), 33-40
DOI 10.1111/j.1463-1318.2007.01302.x, PubMed 17672872
Publications 2003
Komplikasjoner etter operasjon for cancer coli
In Vitenskapelige forhandlinger, Norsk kirurgisk forening., [Oslo], 2003, Abstrakt 146
BIBSYS 041735544
Publications 2002
Vigabatrin and retinal changes
Doc Ophthalmol, 104 (2), 171-80
DOI 10.1023/a:1014679804792, PubMed 11999624
Publications 1999
Long-term botulinum toxin treatment of cervical dystonia--EMG changes in injected and noninjected muscles
Clin Neurophysiol, 110 (9), 1650-4
DOI 10.1016/s1388-2457(99)00127-3, PubMed 10479034
[Necrotising fasciitis--a surgical challenge]
Tidsskr Nor Laegeforen, 119 (18), 2660-3
PubMed 10479979
Publications 1998
Quantitative electromyographical changes in cervical dystonia after treatment with botulinum toxin
Electromyogr Clin Neurophysiol, 38 (2), 75-9
PubMed 9553744
Publications 1996
Ocular myopathy and mitochondrial DNA deletion. A presentation of seven identified Danish patients
Acta Ophthalmol Scand Suppl (219), 29-32
PubMed 8741113
Quantitative EMG in cervical dystonia
Electromyogr Clin Neurophysiol, 36 (3), 179-85
PubMed 8737940
Publications 1995
Duchenne muscular dystrophy: negative electroretinograms and normal dark adaptation. Reappraisal of assignment of X linked incomplete congenital stationary night blindness
J Med Genet, 32 (5), 348-51
DOI 10.1136/jmg.32.5.348, PubMed 7616540
Publications 1994
Juvenile Kearns-Sayre syndrome initially misdiagnosed as a psychosomatic disorder
J Med Genet, 31 (1), 45-50
DOI 10.1136/jmg.31.1.45, PubMed 8151637
Quantitative EMG in botulinum toxin treatment of cervical dystonia. A double-blind, placebo-controlled study
Electroencephalogr Clin Neurophysiol, 93 (6), 434-9
DOI 10.1016/0168-5597(94)90150-3, PubMed 7529693
Publications 1993
Autosomal recessive microcephaly, microcornea, congenital cataract, mental retardation, optic atrophy, and hypogenitalism. Micro syndrome
Am J Dis Child, 147 (12), 1309-12
DOI 10.1001/archpedi.1993.02160360051017, PubMed 8249951
Publications 1991
Chromosome 6q deletion and retinal cone dystrophy
Am J Med Genet, 38 (1), 134
DOI 10.1002/ajmg.1320380127, PubMed 2012125
Deletion mapping of a retinal cone-rod dystrophy: assignment to 18q211
Am J Med Genet, 39 (3), 288-93
DOI 10.1002/ajmg.1320390309, PubMed 1867279
Publications 1990
Retinal cone dystrophy and chromosome 6(q26) deletions
Ann Genet, 33 (2), 124
PubMed 2241088
Publications 1988
Acuity card testing of patients with cerebral visual impairment
Dev Med Child Neurol, 30 (5), 632-7
DOI 10.1111/j.1469-8749.1988.tb04801.x, PubMed 3229561
Publications 1986
Evoked potentials in multiple sclerosis before and after high-dose methylprednisolone infusion
Eur Neurol, 25 (1), 67-73
DOI 10.1159/000115989, PubMed 3940867
Retinal cone dysfunction and mental retardation associated with a de novo balanced translocation 1;6(q44;q27)
Ophthalmic Paediatr Genet, 7 (3), 167-73
DOI 10.3109/13816818609004134, PubMed 3561951
Publications 1984
Mitochondrial myopathy as a cause of ptosis and ophthalmoplegia in elderly females
Acta Ophthalmol (Copenh), 62 (3), 401-12
DOI 10.1111/j.1755-3768.1984.tb08420.x, PubMed 6464689
Localized scleroderma 'en coup de sabre' with external eye muscle involvement at the same line
Clin Exp Dermatol, 9 (2), 196-200
DOI 10.1111/j.1365-2230.1984.tb00783.x, PubMed 6713721
Publications 1976
Moyamoya disease: bilateral occlusion of the carotid artery associated with abnormal vascular network in the basal region of the brain
Dan Med Bull, 23 (1), 41-5
PubMed 1253625
Saturable metabolic pathways for ethotoin in man
Clin Exp Pharmacol Physiol, 3 (5), 453-9
DOI 10.1111/j.1440-1681.1976.tb00623.x, PubMed 10117
The absence of fibres in the sural nerve mediating vasoconstriction
Acta Physiol Scand, 98 (3), 379-80
DOI 10.1111/j.1748-1716.1976.tb10323.x, PubMed 998287
Publications 1975
Pharmacokinetics and side-effects of clonazepam and its 7-amino-metabolite in man
Eur J Clin Pharmacol, 8 (3-4), 249-54
DOI 10.1007/BF00567123, PubMed 1233220
Publications 1974
"Anticonvulsant action" of vitamin D in epileptic patients? A controlled pilot study
Br Med J, 2 (5913), 258-9
DOI 10.1136/bmj.2.5913.258, PubMed 4207965