Research Topics
| J OlsenSummaryAffiliation: Danish Cancer Society Country: Denmark Publications
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Detail Information
Publications
Cancer risk in users of calcium channel blockersJ H Olsen
Danish Cancer Society, Division for Cancer Epidemiology, Copenhagen, Denmark
Hypertension 29:1091-4. 1997..5 to 1.1) on the basis of 34 cases. Although the results are reassuring, the lack of association could reflect the relatively short follow-up after registration in the prescription database. Continued monitoring of cancer risk is planned...
Down's syndrome and neural tube defects in the same familiesJørgen H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, DK 2100, Copenhagen, Denmark
Lancet 361:1316. 2003
[Genetic epidemiology and cancer]Jørgen H Olsen
Kraeftens Bekaempelse, Institut for Epidemiologisk Kraeftforskning, DK 2100 København Ø
Ugeskr Laeger 168:2344-8. 2006..Details are given on known and suspected causes of cancer, including presumable gene-gene and gene-environment interactions...
Use of NSAIDs, smoking and lung cancer riskJ H Olsen
Department of Genetics and Medical Treatment, Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
Br J Cancer 98:232-7. 2008..49 (0.28-0.84) among those with four or more prescriptions per year during this period. Our findings suggest that regular use of NSAIDs is associated with a slightly or moderately reduced risk for lung cancer...
Treatment with levodopa and risk for malignant melanomaJørgen H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
Mov Disord 22:1252-7. 2007..We conclude that the increased rate of malignant melanoma observed in patients treated at hospital for Parkinson's disease is restricted to those with idiopathic Parkinson's disease, however, unrelated to the treatment with levodopa...
Lifelong cancer incidence in 47,697 patients treated for childhood cancer in the Nordic countriesJørgen H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Strandboulevarden 49, DK 2100 Copenhagen, Denmark
J Natl Cancer Inst 101:806-13. 2009..The pattern of cancer in long-term survivors from childhood cancer has not been investigated comprehensively...
Malignant melanoma and other types of cancer preceding Parkinson diseaseJørgen H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Strandboulevarden 49, DK 2100 Copenhagen, Denmark
Epidemiology 17:582-7. 2006..Using a population-based case-control approach, we investigated the prevalence of malignant melanoma, skin carcinoma, and other cancers before a first hospitalization or outpatient visit for Parkinson disease...
Parkinson disease and malignant melanoma in first-degree relatives of patients with early-onset melanomaJørgen H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
Epidemiology 22:109-12. 2011..In a recent study, the link between Parkinson disease and malignant melanoma in patients was also observed in nuclear families, suggesting a possible genetic link between the 2 diseases...
[From cancer statistics to the Cancer Registry]Jørgen Helge Olsen
Kraeftens Bekaempelse, Institut for Epidemiologisk Kraeftforskning, København
Ugeskr Laeger 166:1458-61. 2004
Cancer in patients with ataxia-telangiectasia and in their relatives in the nordic countriesJ H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
J Natl Cancer Inst 93:121-7. 2001..A population-based study of cancer incidence in A-T families with unbiased selection and tracing of relatives would confirm this hypothesis...
Atypical cancer pattern in patients with Parkinson's diseaseJ H Olsen
Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
Br J Cancer 92:201-5. 2005..The increased relative risks of melanoma and nonmelanoma skin cancer are not likely to be artefactual, but further investigations of potential mechanisms are warranted...
Cellular telephones and cancer--a nationwide cohort study in DenmarkC Johansen
Institute of Cancer Epidemiology, Danish Cancer Society, Copenhagen, Denmark
J Natl Cancer Inst 93:203-7. 2001..Use of cellular telephones is increasing exponentially and has become part of everyday life. Concerns about possible carcinogenic effects of radiofrequency signals have been raised, although they are based on limited scientific evidence...
Distribution and predictors of exercise habits among pregnant women in the Danish National Birth CohortM Juhl
National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
Scand J Med Sci Sports 22:128-38. 2012....
The Danish National Birth Cohort--its background, structure and aimJ Olsen
Danish Epidemiology Science Centre, Statens Serum Institut, Copenhagen, Denmark
Scand J Public Health 29:300-7. 2001..By August 2000. a total of 60,000 pregnant women had been recruited to the study. It is expected that a large number of gene-environmental hypotheses need to be based on case-control analyses within a cohort like this...
Risk indicators for dystocia in low-risk nulliparous women: a study on lifestyle and anthropometrical factorsH Kjaergaard
Juliane Marie Centre for Women, Children and Reproduction, Copenhagen University Hospital, Blegdamsvej 9, DK 2100 Copenhagen, Denmark
J Obstet Gynaecol 30:25-9. 2010..25, CI 1.58-3.22), small stature (OR 2.18, CI 1.51-3.15) and pre-pregnancy overweight (OR 1.28, CI 1.02-1.61). No association was found between dystocia and alcohol intake, smoking, night sleep and options for resting during the day...
Do women give the same information on binge drinking during pregnancy when asked repeatedly?K Strandberg-Larsen
Centre for Alcohol Research, National Institute of Public Health, Copenhagen, Denmark
Eur J Clin Nutr 60:1294-8. 2006..To study if pregnant women give the same answers to questions on frequency and timing of binge drinking when asked more than once during and after pregnancy...
Pesticide exposure in male farmers and survival of in vitro fertilized pregnanciesN H Hjollund
Department of Occupational Medicine, Aarhus University Hospital, DK 8000, Aarhus, Denmark
Hum Reprod 19:1331-7. 2004..Male-mediated spontaneous abortion is well described among animals, but less well documented in humans. Studies that include early pregnancy experience are expensive to conduct, but IVF provides new opportunities...
Having children with different men and subsequent cancer risk. A nationwide study in DenmarkR Campi
The Danish Epidemiology Science Centre, University of Aarhus, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark
Br J Cancer 90:1374-7. 2004..Uncontrolled differences in lifestyle factors may explain the higher cancer risk associated with having multiple partners. The strong protective effect for melanoma was unexpected and deserves further study...
The association of indicators of fetal growth with visual acuity and hearing among conscriptsJ Olsen
Danish Epidemiology Science Centre at the Institute of Epidemiology and Social Medicine, University of Aarhus
Epidemiology 12:235-8. 2001..4 were associated with reduced visual acuity and impaired hearing. The results could be due to fetal brain programming or due to confounding, by early birth trauma or other factors...
Psychomotor development in children exposed in utero to benzodiazepines, antidepressants, neuroleptics, and anti-epilepticsJ T Mortensen
Department of Clinical Epidemiology, Aarhus University and Aalborg Hospitals, Stengade 10, Box 561, Aalborg, Denmark
Eur J Epidemiol 18:769-71. 2003..Any abnormal test result was seen much more frequently among exposed (16%) than for not exposed (4%). The study has several limitations but raises concern that should be addressed in other and better designed studies...
Recall bias in a case-control surveillance system on the use of medicine during pregnancyM Rockenbauer
Department of Human Genetics and Teratology, Center for Epidemiology, Foundation for Community Control and Hereditary Diseases, Budapest, Hungary
Epidemiology 12:461-6. 2001..A case-control surveillance system of this type may frequently cause spurious associations, with biased odds ratios up to a factor of 1.9...
Psychological stress and rheumatoid arthritis in parents after death of a child: a national follow-up studyJ Li
The Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus, Denmark
Scand J Rheumatol 34:448-50. 2005..88 [95% confidence interval (CI) 0.63-1.24]. The RR was close to 1 throughout the 18 years of follow-up. CONCLUSION: Our findings do not support an association between severe psychological stress and RA...
Cancer survival in parents who lost a child: a nationwide study in DenmarkJ Li
The Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus, Vennelyst Boulevard 6, Denmark
Br J Cancer 88:1698-701. 2003..Death of a child is not a strong prognostic factor for cancer survival among parents diagnosed with cancer after the bereavement. However, a small impairment in overall cancer survival cannot be ruled out...
Relation between diagnoses on severity, sick leave and loss of job among patients with occupational hand eczemaR S Cvetkovski
Department of Dermatology, Gentofte Hospital, University of Copenhagen, Niels Andersensvej 65, 2900 Hellerup, Denmark
Br J Dermatol 152:93-8. 2005..Previous studies suggest that OHE caused by allergic contact dermatitis and atopic dermatitis (AD) carries the worst prognosis...
Umbilical cord mannan-binding lectin and infections in early childhoodS Kielgast
Department of Medical Microbiology and Immunology, University of Aarhus, Aarhus, Denmark
Scand J Immunol 57:167-72. 2003..The HR of hospitalization for viral infections was 2.8 (CI, 1.3-5.9). Low levels of MBL in UCB were associated with hospitalization in general and particularly with hospitalization for viral infections...
Do parents of children with congenital malformations have a higher cancer risk? A nationwide study in DenmarkJ L Zhu
The Danish Epidemiology Science Centre, University of Aarhus, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark
Br J Cancer 87:524-8. 2002..1 (2.0-33.7). This association was not restricted to cancer cases diagnosed shortly after birth of the child. Our results suggest a common genetic association between these diseases, but further studies are needed...
Indicators of fetal growth and infectious disease in childhood--a birth cohort with hospitalization as outcomeW Yuan
The Danish Epidemiology Science Centre, University of Aarhus
Eur J Epidemiol 17:829-34. 2001..However, it could not explain the increased risk in children who were short at birth...
Wheezing, asthma, hayfever, and atopic eczema in childhood following exposure to tobacco smoke in fetal lifeL L Magnusson
Department of Biosciences, Karolinska Institutet at NOVUM, Huddinge, Sweden
Clin Exp Allergy 35:1550-6. 2005..Prenatal maternal smoking has been associated with adverse respiratory effects in childhood such as lung deficits and wheezing, but results concerning asthma, hayfever, and atopic eczema are inconsistent...
Wheezing, asthma, hay fever, and atopic eczema in relation to maternal occupations in pregnancyL L Magnusson
Department of Biosciences and Nutrition, Karolinska Institutet at NOVUM, Huddinge, Sweden
Occup Environ Med 63:640-6. 2006..To examine whether prenatal occupational exposures, especially to organic solvents, are associated with atopic diseases in childhood...
Subfecundity in overweight and obese couplesC H Ramlau-Hansen
Department of Epidemiology, UCLA School of Public Health, University of California Los Angeles, 650 Charles E Young Drive S, Los Angeles, CA 90095, USA
Hum Reprod 22:1634-7. 2007..We also examined the association between weight changes and fecundity over time...
Parental subfecundity and risk of decreased semen quality in the male offspring: a follow-up studyC H Ramlau-Hansen
Department of Occupational Medicine, Aarhus University Hospital, Aarhus, Denmark
Am J Epidemiol 167:1458-64. 2008..13) lower in sons of subfertile parents. Results suggest a small-to-moderate effect of parental subfecundity on semen quality in sons, comparable with the hypothesis that low fecundity has at least partly hereditable causes...
Antiepileptic drug use, folic acid supplementation, and congenital abnormalities: a population-based case-control studyD Kjaer
The Danish Epidemiology Science Centre, Department of Epidemiology, Institute of Public Health, University of Aarhus, Aarhus, Denmark
BJOG 115:98-103. 2008....
Use of cephalosporins during pregnancy and in the presence of congenital abnormalities: a population-based, case-control studyA E Czeizel
Department of Human Genetics and Teratology, National Center for Epidemiology, World Health Organization Collaborating Center for the Community Control of Hereditary Diseases, Budapest, Hungary
Am J Obstet Gynecol 184:1289-96. 2001..However, further studies are needed to clarify the teratogenic and fetal toxic effects of different cephalosporins separately...
Prenatal alcohol exposure and cryptorchidismM S Jensen
Department of Occupational Medicine, University Hospital of Aarhus, Aarhus, Denmark
Acta Paediatr 96:1681-5. 2007..The aim of this study is to follow up on this finding by estimating the association between prenatal alcohol exposure and persistent cryptorchidism...
Maternal adiposity prior to pregnancy is associated with ADHD symptoms in offspring: evidence from three prospective pregnancy cohortsA Rodriguez
Department of Psychology, Uppsala University, Uppsala, Sweden
Int J Obes (Lond) 32:550-7. 2008..We examine whether pregnancy weight (pre-pregnancy body mass index (BMI) and/or weight gain) is related to core symptoms of attention deficit hyperactivity disorder (ADHD) in school-age offspring...
Leisure time physical exercise during pregnancy and the risk of miscarriage: a study within the Danish National Birth CohortM Madsen
Department of Child Health, National Institute of Public Health, Copenhagen K, Denmark
BJOG 114:1419-26. 2007..To examine the association between leisure time physical exercise during pregnancy and the risk of miscarriage...
Is maternal obesity related to semen quality in the male offspring? A pilot studyC H Ramlau-Hansen
Department of Occupational Medicine, Aarhus University Hospital, Aarhus Sygehus, Norrebrogade 44, Building 2C, DK 8000 Aarhus C, Denmark
Hum Reprod 22:2758-62. 2007..Obesity is a strong predictor of fecundity and maternal obesity may well program semen quality during pregnancy, but to our knowledge, no published studies have evaluated this hypothesis...
Effect of early postnatal breastfeeding support: a cluster-randomized community based trialH Kronborg
Department of Nursing Science, Institute of Public Health, University of Aarhus, 8000 Aarhus, Denmark
Acta Paediatr 96:1064-70. 2007..To assess the impact of a supportive intervention on the duration of breastfeeding...
Laboratory work and pregnancy outcomes: a study within the National Birth Cohort in DenmarkJ L Zhu
The Danish Epidemiology Science Centre, University of Aarhus, Aarhus, Denmark
Occup Environ Med 63:53-8. 2006..To examine pregnancy outcomes in women doing laboratory work...
Relation between patients' and physicians' severity assessment of occupational hand eczemaR S Cvetkovski
Department of Dermatology, Gentofte Hospital, University of Copenhagen, Niels Andersensvej 65, 2900 Hellerup, Denmark
Br J Dermatol 153:596-600. 2005..DNBII-rated severity. We recommend researchers to include ratings from both patients and physicians in future investigations of severity. The methods may address different aspects of OHE...
Induced abortion and placenta complications in the subsequent pregnancyW Zhou
Shanghai Institute of Planned Parenthood Research, Shanghai
Acta Obstet Gynecol Scand 80:1115-20. 2001..CONCLUSIONS: The findings suggest a positive association between abortions and retained placenta in subsequent singleton live births, but the association was weak and confounding cannot be ruled out...
Febrile convulsions and sudden infant death syndromeM Vestergaard
Perinatal Epidemiological Research Unit, Department of Obstetrics and Gynaecology, Aarhus University Hospital, Skejby, DK 8200 Aarhus N, Denmark
Arch Dis Child 86:125-6. 2002..We compared the risk of SIDS in 9877 siblings of children who had had febrile convulsions with that of 20 177 siblings of children who had never had febrile convulsions. We found no support for the shared susceptibility hypothesis...
Sex ratio and twinning in women with hyperemesis or pre-eclampsiaO Basso
The Danish Epidemiology Science Centre at the Department of Epidemiology and Social Medicine- Aarhus University, DK 8000 Aarhus C, DK
Epidemiology 12:747-9. 2001..02-1.05) in the reference population, 0.87 (95% CI = 0.82-0.91) in births with hyperemesis, and 1.10 (95% CI = 1.07-1.12) in births with pre-eclampsia. Women with pre-eclampsia had slightly more males also in non-affected pregnancies...
Higher risk of pre-eclampsia after change of partner. An effect of longer interpregnancy intervals?O Basso
The Danish Epidemiology Science Centre at the Department of Epidemiology and Social Medicine, Aarhus University, Denmark
Epidemiology 12:624-9. 2001..We saw, however, different results when we stratified on the length of the interval. Our results indicate that the interval between births should be taken into consideration when studying the effect of changing partner on pre-eclampsia...
Do pregnant women report use of dispensed medications?C Olesen
Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus, Vennelyst Boulevard 6, DK 8000 Aarhus, Denmark
Epidemiology 12:497-501. 2001..Nevertheless, our results indicate that for some drug groups risk assessment studies based on prescription data may produce false negative results as a result of noncompliance...
A population-based case-control teratologic study of ampicillin treatment during pregnancyA E Czeizel
Foundation for the Community Control of Hereditary Diseases, Department of Human Genetics and Teratology, National Center for Epidemiology, 1026 Budapest, Hungary
Am J Obstet Gynecol 185:140-7. 2001....
The risk of limb deficiencies and other congenital abnormalities in children exposed in utero to calcium channel blockersH T Sørensen
Danish Epidemiology Science Centre at the Department of Epidemiology and Social Medicine, University of Aarhus, Aarhus, Denmark
Acta Obstet Gynecol Scand 80:397-401. 2001..We examined the risk of malformations following exposure in utero to calcium channel blockers...
Assignment of the human aminopeptidase N (peptidase E) gene to chromosome 15q13-qterT A Kruse
Institute of Human Genetics, Aarhus University, Denmark
FEBS Lett 239:305-8. 1988..The Southern blots were probed by the 5'-EcoRI fragment of the recently cloned human aminopeptidase N cDNA...
Viral infection, atopy and mycosis fungoides: a European multicentre case-control studyM M Morales
Unit of Public Health and Environmental Care, Department of Preventive Medicine, University of Valencia, Unit of Clinical Epidemiology, Dr Peset University Hospital, Valencia, Spain
Eur J Cancer 39:511-6. 2003..Urticaria had an OR of 1.4 (95% CI: 0.6-3.6). Infections and atopic diseases were not closely associated with MF. Some diseases correlated to MF. Whether this has a causal background or reflects early diagnostic uncertainty is not known...
Pre-eclampsia and febrile convulsionsM Vestergaard
Perinatal Epidemiological Research Unit, Department of Obstetrics and Gynaecology, Aarhus University Hospital, Skejby, Denmark
Arch Dis Child 88:726-7. 2003..Children exposed to pre-eclampsia had a slightly increased risk of febrile convulsions, but the association was apparently caused by a shorter gestation in pre-eclamptic women...
Shift work and subfecundity: a causal link or an artefact?J L Zhu
The Danish Epidemiology Science Centre, University of Aarhus, Vennelyst Boulevard 6, DK 8000 Aarhus C, Denmark
Occup Environ Med 60:E12. 2003..The Danish National Birth Cohort (DNBC) was used to examine whether shift work is associated with reduced fecundity as estimated by time to pregnancy (TTP)...
Fecundability according to male serum inhibin B--a prospective study among first pregnancy plannersL M Mabeck
Department of Occupational Medicine, University Hospital of Aarhus, Aarhus Sygehus, Denmark
Hum Reprod 20:2909-15. 2005..New biological markers of male fecundity are needed for use in large-scale epidemiological studies. We studied the association between male inhibin B and fecundability...
Stress and salivary cortisol during pregnancyC Obel
The Perinatal Epidemiological Research Unit, Department of Obstetrics and Paediatrics, Aarhus University Hospital, Skejby, 8200 Aarhus N, Denmark
Psychoneuroendocrinology 30:647-56. 2005..In conclusion, we found differences in the associations between chronic stress in early and late pregnancy and cortisol levels indicating that the response to chronic stress is dependent on the stage of the pregnancy...
The intrauterine origin of male breast cancer: a birth order study in DenmarkH T Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, 8000 Aarhus C, Denmark
Eur J Cancer Prev 14:185-6. 2005..00-2.92). This result is in line with that seen in female breast cancer cases and indicates that male breast cancer may have roots in the intrauterine life, oestrogens being a likely mediator...
Spontaneous abortion in IVF couples--a role of male welding exposureN H Hjollund
Department of Occupational Medicine, Aarhus University Hospital, DK 8000, Aarhus, Denmark
Hum Reprod 20:1793-7. 2005..In vitro fertilization (IVF) provides new design opportunities. Our aim was to study pregnancy survival in IVF treated women with respect to paternal welding exposure...
Mannan-binding lectin and RSV lower respiratory tract infection leading to hospitalization in children: a case-control study from Soweto, South AfricaI A Kristensen
The Danish Epidemiology Science Centre, University of Aarhus, Aarhus, Denmark
Scand J Immunol 60:184-8. 2004..00 (CI 0.99-1.03) and OR 1.24 (0.73-2.12). We did not find support for the hypothesis that MBL deficiency leads to the hospitalization for LRTI caused by RSV...
A population-based case-control study of oral chlordiazepoxide use during pregnancy and risk of congenital abnormalitiesA E Czeizel
Genetics Department, Foundation for the Community Control of Hereditary Diseases, Torokvesz Lejto 32, Budapest 1026, Hungary
Neurotoxicol Teratol 26:593-8. 2004..In conclusion, therapeutic doses of chlordiazepoxide during pregnancy are unlikely to pose a substantial teratogenic risk to the human fetus, although a somewhat higher rate of congenital cardiovascular malformations cannot be excluded...
The risk of multiple sclerosis in bereaved parents: A nationwide cohort study in DenmarkJ Li
Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus, Denmark
Neurology 62:726-9. 2004..Previous studies have suggested that psychological stress may play a role in the risk of multiple sclerosis (MS), but the evidence is very limited...
Glutathione S-transferase genotype and p53 mutations in adenocarcinoma of the small intestineL Nørum Pedersen
Institute of Environmental and Occupational Medicine, University of Aarhus, Denmark
Scand J Gastroenterol 38:845-9. 2003..No p53 mutations in exon 5-8 were found in these samples, but the method may not be sensitive enough to identify smaller differences. Thus p53 does not seem to be the target of carcinogens acting in the small intestine...
Assignment of the porcine aminopeptidase N (PEPN) gene to chromosome 7cen----q21P H Poulsen
Division of Animal Genetics, Royal Veterinary and Agricultural University, Frederiksberg, Denmark
Cytogenet Cell Genet 57:44-6. 1991..Regional localization of the PEPN gene to 7cen----q21 was performed by in situ hybridization. The results suggest that synteny of the genes for mannose phosphate isomerase and PEPN is conserved in pig and man...
