Research Topics
| Henrik Toft SørensenSummaryAffiliation: University of Aarhus Country: Denmark Publications
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Detail Information
Publications
Influence of day care attendance on the use of systemic antibiotics in 0- to 2-year-old childrenN Thrane
Danish Epidemiology Science Centre at the Department of Epidemiology and Social Medicine, University of Aarhus, Denmark
Pediatrics 107:E76. 2001..To examine the association between time spent in different public day care settings and prescription of systemic antibiotics. Design. Population-based cohort study of 5035 Danish children born in 1997 followed from birth to June 30, 1999...
Fetal growth, maternal prenatal smoking, and risk of invasive meningococcal disease: a nationwide case-control studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, Bldg 260, 8000 Aarhus C, Denmark
Int J Epidemiol 33:816-20. 2004..The prenatal period may be important for susceptibility to infections. We evaluated whether low birthweight, prematurity, and prenatal maternal smoking were associated with increased risk of invasive meningococcal disease...
A registry-based study of gender, fetal growth, and risk of Wilms tumorPeter Jepsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Pediatr Hematol Oncol 21:435-9. 2004..It was found that the risk of Wilms tumor increased with fetal growth in girls, but decreased with fetal growth in boys, although the findings did not reach statistical significance...
The risk and prognosis of cancer after hospitalisation for herpes zoster: a population-based follow-up studyH T Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, Building 260, 8000 Aarhus C, Denmark
Br J Cancer 91:1275-9. 2004..Haematological cancer following hospitalisation for herpes zoster has a poorer prognosis than in non-herpes zoster patients...
Further analysis of the risk of adverse birth outcome after maternal use of fluoroquinolonesPia Wogelius
Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg, Denmark
Int J Antimicrob Agents 26:323-6. 2005..7 (95% CI, 0.3-2.0) and the prevalence ratio of bone malformations was 2.2 (95% CI, 0.7-6.7). Our study raises the concern that prenatal fluoroquinolone exposure may be associated with an increased risk of bone malformations...
Risk of infantile hypertrophic pyloric stenosis after maternal postnatal use of macrolidesHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital and Aalborg Hospital, Aarhus, Denmark
Scand J Infect Dis 35:104-6. 2003..3 [95% confidence interval (95% CI) 1.2-92.3] for girls and 2.0 (95% CI 0.5-8.4) for boys. The use of macrolides during breast-feeding increases the risk of infantile hypertrophic pyloric stenosis...
Risk of suicide in users of beta-adrenoceptor blockers, calcium channel blockers and angiotensin converting enzyme inhibitorsH T Sørensen
The Department of Clinical Epidemiology of Aarhus University Hospital and Aalborg Hospital, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark
Br J Clin Pharmacol 52:313-8. 2001..To examine the risk of suicide in users of beta-adrenoceptor blockers, calcium channel blockers, and angiotensin converting enzyme inhibitors...
Use of clomifene during early pregnancy and risk of hypospadias: population based case-control studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, DK 8000 Aarhus C, Denmark
BMJ 330:126-7. 2005
Skin cancers and non-hodgkin lymphoma among users of systemic glucocorticoids: a population-based cohort studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
J Natl Cancer Inst 96:709-11. 2004..68, 95% CI = 1.16 to 5.29). Our data suggest that use of glucocorticoids may be a shared risk factor for certain skin cancers and lymphomas...
[Maternal smoking and risk of hypertrophic infantile pyloric stenosis. 10 year population based cohort study]Henrik Toft Sørensen
Arhus Universitetshospital, Arhus Sygehus, Klinisk Epidemiologisk Afdeling
Ugeskr Laeger 166:909-10. 2004
Use of antibiotics and risk of breast cancer: a population-based case-control studyH T Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, Building 260, DK 8000 Aarhus C, Denmark
Br J Cancer 92:594-6. 2005..In our study, use of antibiotics was not associated with an increased risk of breast cancer...
Cancer and venous thromboembolism: a multidisciplinary approachHenrik T Sørensen
Department of Clinical Epidemiology, Aarhus and Aalborg University Hospitals, Denmark
Clin Lab 49:615-23. 2003..However, the clinical implications of these findings must await properly designed and conducted randomized clinical trials...
Risk of cancer in a large cohort of nonaspirin NSAID users: a population-based studyH T Sørensen
Department of Clinical Epidemiology, Aarhus University and Aalborg Hospital, Vennelyst Boulevard 6, Building 260, Denmark
Br J Cancer 88:1687-92. 2003..1-1.6), 1.4 (95% CI 0.9-2.1), and 1.6 (95% CI 1.3-2.0), respectively. We found protective associations of NSAIDs against colon, rectal, stomach, and ovarian cancer. Reasons for the increased risk for some cancer sites are not clear...
Risk of cancer in patients hospitalized with fatty liver: a Danish cohort studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
J Clin Gastroenterol 36:356-9. 2003..To examine the risk of cancer in patients with fatty liver...
Long-term survival and cause-specific mortality in patients with cirrhosis of the liver: a nationwide cohort study in DenmarkHenrik Toft Sørensen
Department of Medicine V Hepatology and Gastroenterology, Aarhus University Hospital, Nørrebrogade 44, DK 8000 Aarhus C, Denmark
J Clin Epidemiol 56:88-93. 2003..Mortality in all disease categories was increased, even in those not traditionally related to cirrhosis. In conclusion, patients with cirrhosis of the liver face reduced life expectancy due to several causes of death...
Maternal smoking and risk of hypertrophic infantile pyloric stenosis: 10 year population based cohort studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, 8000 Aarhus C, Denmark
BMJ 325:1011-2. 2002
Fetal growth and blood pressure in a Danish population aged 31-51 yearsH T Sørensen
Danish Epidemiology Science Centre, Department of Epidemiology and Social Medicine, University of Aarhus
Scand Cardiovasc J 34:390-5. 2000..7 mm Hg with a birth length of 30-51 cm to 131.6 with a birth length of 55-62 cm, and for diastolic blood pressure 83.0 mmHg to 78.8 mmHg, respectively. The associations may reflect organ programming in fetal life...
Birth outcome following maternal use of metoclopramide. The Euromap study groupH T Sørensen
Department of Internal Medicine V, Aarhus University Hospital, DK 8000 Aarhus C, Department of Internal Medicine M, Aalborg Hospital, DK
Br J Clin Pharmacol 49:264-8. 2000..Because of its frequent use any adverse effects on infant health would have major public health implications. We therefore examined the safety of metoclopramide during pregnancy...
Prognosis of cancers associated with venous thromboembolismH T Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
N Engl J Med 343:1846-50. 2000..Little is known about the prognosis of cancer discovered during or after an episode of venous thromboembolism...
Risk of hospitalization for acute pancreatitis associated with conventional and atypical antipsychotics: a population-based case-control studyChristiane Gasse
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Pharmacotherapy 28:27-34. 2008..To examine the association of atypical and conventional antipsychotics with the risk of hospitalization for acute pancreatitis...
Hospitalization for pneumonia among individuals with and without HIV infection, 1995-2007: a Danish population-based, nationwide cohort studyOle S Sogaard
Department of Infectious Diseases, Aarhus University Hospital, Skejby, Denmark
Clin Infect Dis 47:1345-53. 2008..We compared incidence rates of pneumonia among individuals with and without HIV infection and explored risk factors for pneumonia in the HIV-infected population...
Glucocorticoid use and risk of atrial fibrillation or flutter: a population-based, case-control studyChristian Fynbo Christiansen
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, DK 8200 Aarhus N, Denmark
Arch Intern Med 169:1677-83. 2009..We examined whether glucocorticoid use is associated with the risk of atrial fibrillation or flutter...
Concomitant use of clopidogrel and statins and risk of major adverse cardiovascular events following coronary stent implantationMorten Schmidt
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus Department of Cardiology, Aarhus, Denmark
Br J Clin Pharmacol 74:161-70. 2012..No studies have measured drug exposure in a time-varying manner that detects discontinuation and restart of clopidogrel and statin therapy, allowing clinical quantification of the interaction effect...
Incidence and prognosis of cholangiocarcinoma in Danish patients with and without inflammatory bowel disease: a national cohort study, 1978-2003Rune Erichsen
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200, Aarhus N, Denmark
Eur J Epidemiol 24:513-20. 2009..In conclusion, the absolute risk of CC in IBD patients was low and the CC incidence decreased over calendar time. The prognosis was equally grave, regardless of the presence of IBD...
Association of Apgar score at five minutes with long-term neurologic disability and cognitive function in a prevalence study of Danish conscriptsVera Ehrenstein
Department of Clinical Epidemiology, Aarhus University Hospital, Science Centre Skejby, Olof Palmes Alle 43 45, 8200 Aarhus N, Denmark
BMC Pregnancy Childbirth 9:14. 2009..We aimed to examine the association of five-minute Apgar score with prevalence of neurologic disability and with cognitive function in early adulthood...
Risk of arterial cardiovascular diseases in patients with multiple sclerosis: a population-based cohort studyChristian Fynbo Christiansen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Neuroepidemiology 35:267-74. 2010..Patients with multiple sclerosis (MS) may have a higher risk of cardiovascular diseases (CVD) than the general population, but data are limited...
Prenatal risk factors for cutaneous malignant melanoma: follow-up of 2,594,783 Danes born from 1950 to 2002Anne Vingaard Olesen
Department of Epidemiology, University of Aarhus, Denmark
Cancer Epidemiol Biomarkers Prev 18:155-61. 2009....
Hospitalization rates and survival associated with COPD: a nationwide Danish cohort studyTimothy L Lash
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200 Aarhus, Denmark
Lung 189:27-35. 2011..COPD continues to be a major public health problem causing substantial mortality in the 5 years after hospitalization, particularly in the first 180 days and in patients with comorbid diseases...
Adverse pregnancy outcome in women exposed to acyclovir during pregnancy: a population-based observational studyChaveewan Ratanajamit
Department of Clinical Epidemiology, Institute of Epidemiology and Social Medicine, Aarhus University, Aarhus, Denmark
Scand J Infect Dis 35:255-9. 2003..The use of topical acyclovir does not seem to be associated with any adverse pregnancy outcome, although data on stillbirth are inconclusive...
Crowding as a risk factor of meningococcal disease in Danish preschool children: a nationwide population-based case-control studySusanna Deutch
Research Unit Q, Department of Infectious Diseases, Skejby Sygehus, Aarhus University Hospital, 8200 Aarhus N, Denmark
Scand J Infect Dis 36:20-3. 2004..The adjusted OR for MD was 1.5 (95% CI: 1.1-1.9) for infants, and 1.5 (95% CI: 1.1-2.0) for children older than 1 y. Household density appears to be a risk factor of MD in preschool children...
Adverse pregnancy outcome in users of sulfamethizole during pregnancy: a population-based observational studyChaveewan Ratanajamit
Department of Clinical Epidemiology, Aarhus and Aalborg University Hospitals, DK 8000 Aarhus C, Denmark
J Antimicrob Chemother 52:837-41. 2003..To estimate the risk of adverse birth and neonatal outcome, and miscarriage in women who used sulfamethizole during pregnancy...
Gender differences in hospitalization rates for respiratory tract infections in Danish youthSøren Jensen-Fangel
Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
Scand J Infect Dis 36:31-6. 2004..The study generates the hypothesis that gender plays a role in the susceptibility for respiratory infections in early childhood...
Prognosis of patients with a diagnosis of fatty liver--a registry-based cohort studyPeter Jepsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg Hospital, Denmark
Hepatogastroenterology 50:2101-4. 2003..There are very limited data available regarding the prognosis of patients with fatty liver. We examined the overall and cause-specific mortality of fatty liver patients in a large Danish cohort...
Pivmecillinam and adverse birth and neonatal outcomes: a population-based cohort studyMette Vinther Skriver
Department of Clinical Epidemiology, Aarhus University Hospital, DK 8000 Aarhus C, Denmark
Scand J Infect Dis 36:733-7. 2004..79 (95% CI 0.38-1.68) for exposure within 28 d before delivery. Use of pivmecillinam during pregnancy did not appear to increase the risk of adverse birth and neonatal outcomes; however, statistical precision is still low...
CYP2D6 inhibition and breast cancer recurrence in a population-based study in DenmarkTimothy L Lash
Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
J Natl Cancer Inst 103:489-500. 2011..Cytochrome P450 2D6 (CYP2D6) inhibition reduces the concentration of 4-hydroxylated tamoxifen metabolites, but the clinical relevance remains uncertain...
Fever of unknown origin and cancer: a population-based studyHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Lancet Oncol 6:851-5. 2005..We aimed to assess the risk of cancer and survival after hospital admission for fever of unknown origin in a nationwide Danish follow-up study...
Non-melanoma skin cancer and ten-year all-cause mortality: a population-based cohort studyAnnette Østergaard Jensen
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, DK 8000 Aarhus, Denmark
Acta Derm Venereol 90:362-7. 2010..The reduced mortality observed among patients with BCC and the increased mortality among patients with SCC persisted even after extensive control for comorbidity and socioeconomic status...
Use of the protease inhibitor saquinavir hard gel in human immunodeficiency virus-infected patients in the early period of highly active antiretroviral therapy: does it affect long-term treatment outcome?Søren Jensen-Fangel
Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark
Scand J Infect Dis 35:743-9. 2003..39-2.58). The insufficient suppression of viral load in patients starting with saquinavir hgc subsided during follow-up, probably owing to the earlier discontinuation of saquinavir hcg in favour of newer and more potent HAART regimens...
Comorbidity acquired before HIV diagnosis and mortality in persons infected and uninfected with HIV: a Danish population-based cohort studyNicolai Lohse
Department of Clinical Epidemiology, Arhus University Hospital, Arhus, Denmark
J Acquir Immune Defic Syndr 57:334-9. 2011..We aimed to estimate the impact of comorbidity acquired before HIV diagnosis on mortality in individuals infected with HIV...
[Non-steroidal anti-inflammatory agents and prevention of colorectal cancer and other types of cancer]Henrik Toft Sørensen
Arhus Universitetshospital, Arhus Kommunehospital, Klinisk Epidemiologisk Afdeling
Ugeskr Laeger 165:1260-1. 2003
A 20-year ecological study of the temporal association between influenza and meningococcal diseaseElise Snitker Jensen
Department of Clinical Epidemiology, Aarhus University Hospital, Arhus, Denmark
Eur J Epidemiol 19:181-7. 2004..Our findings support the theory that the influenza detection rate is associated with the number of MD cases in the population during the same week...
Skin cancer risk among solid organ recipients: a nationwide cohort study in DenmarkAnnette Ostergaard Jensen
Department of Clinical Epidemiology, Aarhus University Hospital, Dernmark
Acta Derm Venereol 90:474-9. 2010..Organ transplantation is a risk factor for squamous cell carcinoma, with immunosuppressive treatments being the most likely explanation for the association...
Incidence rates of hepatocellular carcinoma in the U.S. and Denmark: recent trendsPeter Jepsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Int J Cancer 121:1624-6. 2007..S. men than for U.S. women...
Mortality after hospitalization for pneumonia among individuals with HIV, 1995-2008: a Danish cohort studyOle S Søgaard
Department of Infectious Diseases, Aarhus University Hospital, Skejby, Denmark
PLoS ONE 4:e7022. 2009..HIV-infected persons are at increased risk of pneumonia, even with highly active antiretroviral treatment (HAART). We examined the impact of pneumonia on mortality and identified prognostic factors for death among HIV-infected...
Maternal use of oral contraceptives and risk of hypospadias - a population-based case-control studyPia Wogelius
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Eur J Epidemiol 21:777-81. 2006..83 (95% CI: 0.46-1.50). Our data showed that self-reported maternal use of oral contraceptives during pregnancy was not associated with an increased risk of hypospadias in the offspring...
Maternal use of selective serotonin reuptake inhibitors and risk of congenital malformationsPia Wogelius
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Epidemiology 17:701-4. 2006..Human data on the teratogenicity of selective serotonin reuptake inhibitors (SSRIs) are limited. We examined the association between SSRI use during early pregnancy and the risk of congenital malformations in the offspring...
Endocarditis and risk of cancer: a Danish nationwide cohort studyReimar Wernich Thomsen
Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
Am J Med 126:58-67. 2013..Endocarditis may be a marker for bacteremia-associated occult cancer. Intensive antibiotic treatment in endocarditis is suggested to reduce long-term cancer risk. We examined these hypotheses in a nationwide cohort study...
Nonsteroidal anti-inflammatory drugs and the risk of skin cancer: a population-based case-control studySigrun Alba Johannesdottir
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Cancer 118:4768-76. 2012..Therefore, the authors of this report examined the association between NSAID use and the risk of squamous cell carcinoma (SCC), basal cell carcinoma (BCC), and malignant melanoma (MM)...
Hospital discharges and 30-day case fatality for drug poisoning: a Danish population-based study from 1979 to 2002 with special emphasis on paracetamolLene Ruge Møller
Department of Clinical Epidemiology, Aalborg and Aarhus University Hospitals, Stengade 10, 9000, Aalborg, Denmark
Eur J Clin Pharmacol 59:911-5. 2004..To examine the number of hospital discharges and 30-day case fatalities due to drug poisoning based on data from a Danish County Hospital Discharge Registry from 1979 to 2002...
NO excess risk of breast cancer among female users of systemic glucocorticoidsHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, 8000 Aarhus C, Denmark
Cancer Epidemiol Biomarkers Prev 14:1022-3. 2005
Risk for hepatocellular carcinoma in patients with alcoholic cirrhosis: a Danish nationwide cohort studyPeter Jepsen
Aarhus University Hospital, Nørrebrogade 44, Aarhus 8000 C, Denmark
Ann Intern Med 156:841-7, W295. 2012..Patients with alcoholic cirrhosis are at higher risk for hepatocellular carcinoma (HCC). The role of HCC surveillance for these patients is undefined...
Multiple sclerosis and risk of venous thromboembolism: a population-based cohort studySteffen Christensen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Neuroepidemiology 38:76-83. 2012..Multiple sclerosis (MS) patients may be at increased risk of venous thromboembolism (VTE), but evidence is limited...
Superficial and deep venous thrombosis, pulmonary embolism and subsequent risk of cancerHenrik Toft Sørensen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus N, Denmark
Eur J Cancer 48:586-93. 2012..In contrast to deep venous thrombosis and pulmonary embolism, superficial venous thrombosis has not been considered to be a marker of occult cancer. However, actual data regarding the association are very limited...
25 year trends in first time hospitalisation for acute myocardial infarction, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity: a Danish nationwide cohort studyMorten Schmidt
Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
BMJ 344:e356. 2012..To examine 25 year trends in first time hospitalisation for acute myocardial infarction in Denmark, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity...
Short-term prognosis of community-acquired bacteremia in patients with liver cirrhosis or alcoholism: A population-based cohort studyGitte Linderoth
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Alcohol Clin Exp Res 30:636-41. 2006..This study looks at the short-term prognosis for bacteremia in patients with alcoholic liver cirrhosis, nonalcoholic liver cirrhosis, and alcoholism, compared with the prognosis for other bacteremia cases...
Socioeconomic factors and risk of hospitalization with infectious diseases in 0- to 2-year-old Danish childrenNana Thrane
Department of Clinical Epidemiology, Aalborg University Hospital, Denmark
Eur J Epidemiol 20:467-74. 2005..7 [95% CI: 1.1-2.6]. We found the highest risk of hospitalization for infectious diseases in children of mothers with only basic schooling, and particularly among those coming from single parent homes with a low income...
[Long-term survival rate of patients transfused with leucocyte-depleted and buffy-coat-poor blood during colorectal surgery--secondary publication. An eight-year post-trial follow-up study]Lone S Jensen
Arhus Universitetshospital, Arhus Sygehus, kirurgisk gastroenterologisk afdeling L
Ugeskr Laeger 168:481-4. 2006..Significantly more of the non-transfused patients (59%) were alive seven years later compared to patients transfused with leucocyte-depleted blood (41%) and to patients transfused with buffy-coat-poor blood (45%)...
Use of vitamin K antagonists and risk of subarachnoid haemorrhage: a population-based case-control studyMorten Olsen
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, Aarhus N, Denmark
Eur J Intern Med 21:297-300. 2010..It remains unclear, however, whether use of these medications is a risk factor for subarachnoid haemorrhage (SAH). We therefore examined the association between oral vitamin K antagonist use and risk of SAH...
Serum insulin-like growth factors, insulin-like growth factor binding proteins, and breast cancer risk in postmenopausal womenHenning Grønbaek
Medical Department V, Aarhus Kommunehospital, Norrebrogade 44, DK 8000 Aarhus C, Denmark
Cancer Epidemiol Biomarkers Prev 13:1759-64. 2004..We examined the association between IGF-I, IGF-II, IGF binding protein (IGFBP)-2, IGFBP-3, and IGFBP-3 protease activity and breast cancer risk in postmenopausal women, taking ER status of the breast cancer into consideration...
Pregnancy-associated hypertensive disorders and adult cognitive function among Danish conscriptsVera Ehrenstein
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus N, Denmark
Am J Epidemiol 170:1025-31. 2009..0 (95% CI: -4.0, 0.0), -3.2 (95% CI: -4.7, -1.8), and -2.0 (95% CI: -7.2, 3.2). In this study, prenatal exposure to gestational hypertensive disorders was associated with slightly reduced adult cognitive performance among male conscripts...
Survival of cancer patients with prior monoclonal gammopathy of undetermined significanceHenrik Gregersen
Department of Haematology, Aalborg Hospital, Aarhus University Hospital, DK 9100 Aalborg, Denmark
Eur J Intern Med 21:564-8. 2010..It is unknown whether a prior diagnosis of monoclonal gammopathy of undetermined significance (MGUS) affects cancer survival...
Endoscopic sphincterotomy and long-term risk of cholangiocarcinoma: a population-based follow-up studyFrank Viborg Mortensen
Department of Surgical Gastroenterology L, Aarhus University Hospital, Noerrebrogade 44, 8000 Aarhus C, Denmark
J Natl Cancer Inst 100:745-50. 2008..The similar rates at the latest times after ERC suggest the lack of a causal association between sphincterotomy and cholangiocarcinoma...
Risk of miscarriage for pregnant users of pivmecillinam: a population-based case-control studyMette Nørgaard
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
APMIS 116:278-83. 2008..We concluded that use of pivmecillinam was associated with an increased risk of miscarriage, but the risk was not significantly (p=0.64) different from the risk associated with use of sulfamethizole...
Birth outcome in women treated with azathioprine or mercaptopurine during pregnancy: A Danish nationwide cohort studyV Langagergaard
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus C, Denmark
Aliment Pharmacol Ther 25:73-81. 2007..Data on birth outcome after exposure to azathioprine or mercaptopurine during pregnancy is sparse...
Maternal use of antibiotics, hospitalisation for infection during pregnancy, and risk of childhood epilepsy: a population-based cohort studyMette Nørgaard
Department of Clinical Epidemiology, Institute of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
PLoS ONE 7:e30850. 2012..Maternal infection during pregnancy may be a risk factor for epilepsy in offspring. Use of antibiotics is a valid marker of infection...
Factors associated with concordant estrogen receptor expression at diagnosis and centralized re-assay in a Danish population-based breast cancer studyDeirdre P Cronin-Fenton
Department of Clinical Epidemiology, Aarhus University Hospital, Denmark
Acta Oncol 51:254-61. 2012..We examined clinical factors associated with concordance between ER expression at diagnosis and centralized re-assay, and the association of concordance with breast cancer recurrence...
Comorbidity and survival of Danish cirrhosis patients: a nationwide population-based cohort studyPeter Jepsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Hepatology 48:214-20. 2008..CONCLUSION: Our findings demonstrate that comorbidity is an important prognostic factor for patients with cirrhosis. Successful treatment of comorbid diseases in the first year after diagnosis may substantially reduce the mortality rate...
Socioeconomic status and survival of cirrhosis patients: a Danish nationwide cohort studyPeter Jepsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
BMC Gastroenterol 9:35. 2009..We examined whether marital status, employment, and personal income were associated with the survival of cirrhosis patients...
Risk of venous thromboembolism in patients with liver disease: a nationwide population-based case-control studyKirstine Kobberøe Søgaard
Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Alle 43 45, Aarhus N, Denmark
Am J Gastroenterol 104:96-101. 2009..We examined the risk of venous thromboembolism in patients hospitalized with liver diseases...
Valproic acid and risk of acute pancreatitis: a population-based case-control studyMette Nørgaard
Department of Clinical Epidemiology, Aarhus University, Aarhus, Denmark
Am J Ther 13:113-7. 2006..Therefore, our data challenge the hypothesis that valproic acid is an independent risk factor for acute pancreatitis...
Prenatal exposure to loratadine in children with hypospadias: a nested case-control study within the Danish National Birth CohortLars Pedersen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Am J Ther 13:320-4. 2006..In addition, this study does not suggest any risk differential between maternal exposure to loratadine and other antihistamines. However, the statistical precision of the risk estimates was low...
Skeletal related events, bone metastasis and survival of prostate cancer: a population based cohort study in Denmark (1999 to 2007)Mette Nørgaard
Department of Clinical Epidemiology, Aarhus University Hospital, Arhus, Denmark, and Global Epidemiology, Amgen, Inc KC, JPF, Thousand Oaks, California, USA
J Urol 184:162-7. 2010..We describe mortality in patients with prostate cancer with and without bone metastasis further characterized by skeletal related events...
Incidence of acute kidney injury in cancer patients: a Danish population-based cohort studyChristian Fynbo Christiansen
Department of Clinical Epidemiology, The Clinical Institute, Aarhus University Hospital, Olof Palmes Alle 43 45, 8200 Aarhus N, Denmark
Eur J Intern Med 22:399-406. 2011..Cancer patients may be at increased risk of acute kidney injury, but evidence is limited...
Parity and risk of subarachnoid hemorrhage in women: a nested case-control study based on national Swedish registriesDavid Gaist
Department of Clinical Epidemiology, Aarhus and Aalborg University Hospital, Aarhus, Denmark
Stroke 35:28-32. 2004..We conducted a population-based study to examine the influence of parity on the risk of SAH in women...
Predictive value of stroke and transient ischemic attack discharge diagnoses in The Danish National Registry of PatientsSøren P Johnsen
Department of Epidemiology and Social Medicine, Aarhus University, Vennelyst Boulevard 6, Aarhus C, Denmark
J Clin Epidemiol 55:602-7. 2002..3-82.7%). We conclude that stroke and TIA diagnoses in NRP should be used with caution in epidemiological research because the low predictive value for some diagnostic subgroups may lead to serious misclassification and biased results...
Prognosis of patients with liver cirrhosis and spontaneous bacterial peritonitisPeter Jepsen
Department of Clinical Epidemiology, Aalborg Hospital, Aarhus University Hospital, Denmark
Hepatogastroenterology 50:2133-6. 2003..Patients with liver cirrhosis and ascites have a high risk of spontaneous bacterial peritonitis, but the prognostic impact of spontaneous bacterial peritonitis has not been well examined...
Secondary medical prevention among Danish patients hospitalised with either peripheral arterial disease or myocardial infarctionC Gasse
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Eur J Vasc Endovasc Surg 35:51-8. 2008..We compared the use of secondary prevention among patients with a first-time hospitalisation for peripheral arterial disease (PAD) of the lower limb with that among patients with a first-time hospitalisation for myocardial infarction (MI)...
Hospital admission for non-fatal poisoning with weak analgesics and risk for subsequent suicide: a population studyP Qin
National Centre for Register Based Research, University of Aarhus, Denmark
Psychol Med 39:1867-73. 2009....
Birth outcome of 1886 pregnancies after exposure to phenoxymethylpenicillin in uteroB B Dencker
Department of Clinical Epidemiology, Aarhus University and Aalborg Hospitals, DK 9000 Aalborg, Denmark
Clin Microbiol Infect 8:196-201. 2002..To examine the risk of congenital abnormalities, preterm birth and low birth weight after exposure to phenoxymethylpenicillin in utero...
Birth outcome following maternal use of fluoroquinolonesH Larsen
Department of Clinical Epidemiology, Aalborg Hospital, Section North, 10 Stengade, app 13 15, Box 561, DK 9100 Aalborg, Denmark
Int J Antimicrob Agents 18:259-62. 2001..Despite these limitations of statistical analysis the study suggested that the use of fluoroquinolones during pregnancy may not be a major risk factor to the foetus...
Comorbidity and ovarian cancer survival in Denmark, 1995-2005: a population-based cohort studyM S Tetsche
Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Alle, Aarhus, Denmark
Int J Gynecol Cancer 18:421-7. 2008..The 5-year MRRs were similar to the 1-year MRRs. One quarter of Danish women with ovarian cancer were found to have comorbid conditions, and 5% had severe comorbidity. Severe comorbidity was a predictor of poorer survival...
Hodgkin's disease and birth outcome: a Danish nationwide cohort studyV Langagergaard
Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, Aarhus C DK 8000, Denmark
Br J Cancer 98:183-8. 2008..The overall findings are reassuring, they cannot exclude the possibility of an increased risk of congenital abnormalities for newborns of women diagnosed with HD before pregnancy...
A follow-up study of birth outcome in users of pivampicillin during pregnancyH Larsen
Department of Gynaecology and Obstetrics, Aalborg Hospital, Denmark
Acta Obstet Gynecol Scand 79:379-83. 2000..The aim of the study was to evaluate the risk of congenital malformations in general, preterm delivery and low birth weight in users of pivampicillin...
Do incident and new subsequent cases of non-melanoma skin cancer registered in a Danish prospective cohort study have different 10-year mortality?Annette Østergaard Jensen
Department of Dermatology, Aarhus University Hospital, Aarhus C, Denmark
Cancer Detect Prev 31:352-8. 2007..Differences in mortality between incident and new subsequent cases, incomplete registration or selection bias may be responsible for this finding...
Diagnostic value of self-reported symptoms in Danish outpatients referred with symptoms consistent with colorectal cancerN C Bjerregaard
Department of Surgery P, Aarhus Hospital, Aarhus University Hospital, Aarhus, Denmark
Colorectal Dis 9:443-51. 2007..To assess the association between self-reported symptoms and a diagnosis of colorectal cancer (CRC) in symptomatic outpatients without CRC risk factors, defined by a Danish expert group...
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 and short-term prognosis of myocardial infarction among users of antidiabetic drugsS P Johnsen
Department of Clinical Epidemiology, Aarhus Sygehus, Aarhus University Hospital, Aarhus and Aalborg, Denmark
Am J Ther 13:134-40. 2006..Furthermore, the 30-day CFR may vary according to type of antidiabetic drug. These differences indicate the need for further examination of the cardiovascular safety of antidiabetic drugs...
Atrial fibrillation or flutter and stroke: a Danish population-based study of the effectiveness of oral anticoagulation in clinical practiceL Frost
Department of Clinical Epidemiology, Aarhus University Hospital and Aalborg Sygehus, Denmark
J Intern Med 252:64-9. 2002....
Non-calculus suppurative cholangitis in Danish patients with inflammatory bowel diseaseH H Rasmussen
Department of Medicine M, Aalborg Hospital, Aalborg, Denmark
Hepatogastroenterology 52:115-8. 2005..5 and 78.7, respectively). CONCLUSIONS: Patients with inflammatory bowel disease have an increased risk of non-calculus suppurative cholangitis...
Socioeconomic factors and prescription of antibiotics in 0- to 2-year-old Danish childrenNana Thrane
Department of Clinical Epidemiology, Aalborg Hospital and University of Aarhus, Vennelyst Boulevard 6, DK 8000 Aarhus C, Denmark
J Antimicrob Chemother 51:683-9. 2003..The aim was to examine the impact of socioeconomic factors on the use of systemic antibiotics during the first 2 years of life...
Unexplained chest/epigastric pain in patients with normal endoscopy as a predictor for ischemic heart disease and mortality: a Danish 10-year cohort studyEstrid Muff Munk
Department of Clinical Epidemiology, Aarhus and Aalborg Hospital, Aarhus, University Hospital, DK 8000 Aarhus C, Denmark
BMC Gastroenterol 8:28. 2008..Normal upper endoscopy may be a marker of ischemic heart disease in patients with unexplained chest/epigastric pain...
Risk of community-acquired pneumococcal bacteremia in patients with diabetes: a population-based case-control studyReimar Wernich Thomsen
Department of Clinical Epidemiology, Aalborg Hospital and Aarhus University Hospital, Aalborg, Denmark
Diabetes Care 27:1143-7. 2004..We conducted this population-based case-control study to examine whether diabetes is associated with an increased risk of community-acquired pneumococcal bacteremia...
Birth outcome in women with breast cancerV Langagergaard
Department of Clinical Epidemiology, Aarhus University Hospital, Ole Worms Allé 150, DK 8000, Aarhus C, Denmark
Br J Cancer 94:142-6. 2006..4 (95% CI: 1.0-2.0), and the PR of low birth weight at term for boys was 2.9 (95% CI: 1.3-6.3). Overall, our results are reassuring regarding the risks of adverse birth outcome for breast cancer patients...
Examining secular trends and seasonality in count data using dynamic generalized linear modelling: a new methodological approach illustrated with hospital discharge data on myocardial infarctionS Lundbye-Christensen
Department of Cardiology, Center for Cardiovascular Research, Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark
Eur J Epidemiol 24:225-30. 2009..Analyses conducted with this model provide insights not available from more traditional approaches...
Postoperative mortality in patients with liver cirrhosis undergoing transurethral resection of the prostate: a Danish nationwide cohort studyS S Nielsen
Department of Medicine V (Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
BJU Int 87:183-6. 2001..Advanced age, comorbidity and acute admission seemed to be associated with an increased postoperative mortality. CONCLUSION: This study indicates that TURP in patients with liver cirrhosis was associated with increased mortality...
The safety of proton pump inhibitors in pregnancyG L Nielsen
Department of Internal Medicine M, Aalborg Hospital, Aalborg, Denmark
Aliment Pharmacol Ther 13:1085-9. 1999..To assess the safety of proton pump inhibitors during pregnancy...
Smoking, sex of the offspring, and risk of placental abruption, placenta previa, and preeclampsia: a population-based cohort studyJ T Mortensen
Department of Clinical Epidemiology, Aarhus University and Aalborg Hospitals, Aalborg, Denmark
Acta Obstet Gynecol Scand 80:894-8. 2001..We examined the association between mothers' smoking habits during pregnancy, taking the sex of the offspring into consideration, and the risk and prognosis of placental abruption, placenta previa, and preeclampsia..
How do we best detect toxic effects of drugs taken during pregnancy? A EuroMap paperJørn Olsen
The Danish Epidemiology Science Centre at the Department of Epidemiology and Social Medicine, University of Aarhus, Vannelyst Boulevard 6, 8000 Aarhus C, Denmark
Drug Saf 25:21-32. 2002..These considerations are based upon our results from a European Union-funded concerted action called EuroMaP (Medicine and Pregnancy)...
Prenatal factors and use of anti-asthma medications in early childhood: a population-based Danish birth cohort studyWei Yuan
Danish Epidemiology Science Centre, University of Aarhus, Aarhus, Denmark
Eur J Epidemiol 18:763-8. 2003..23, 95% CI: 0.88-1.73) and placental weight > or = 750 g (adjusted OR: 1.44, 95% CI: 1.10-1.88). The increased risk was also associated with a high ponderal index of > or = 2.7 g/cm3 (adjusted OR: 1.37, 95% CI: 1.06-1.76)...
Risk for hospital contact with infection in patients with splenectomy: a population-based cohort studyReimar W Thomsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aalborg Hospital Science and Innovation Centre, Søndre Skovvej 15, Aalborg, Denmark
Ann Intern Med 151:546-55. 2009..Splenectomy has been associated with increased risk for infection...
Seasonal variation in month of birth and diagnosis in children and adolescents with Hodgkin disease and non-Hodgkin lymphomaVivian Langagergaard
Department of Epidemiology and Social Medicine, University of Aarhus, Aaarhus, Denmark
J Pediatr Hematol Oncol 25:534-8. 2003....
