N Hammar

Summary

Affiliation: Karolinska Institutet
Country: Sweden

Publications

  1. ncbi Cancer incidence among 10,211 airline pilots: a Nordic study
    Eero Pukkala
    Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
    Aviat Space Environ Med 74:699-706. 2003
  2. ncbi Comparison of early and late mortality in men and women after isolated coronary artery bypass graft surgery in Stockholm, Sweden, 1980 to 1989
    N Hammar
    Division of Epidemiology, Karolinska Institutet, Stockholm, Sweden
    J Am Coll Cardiol 29:659-64. 1997
  3. ncbi [A certain increase of skin cancer among pilots]
    Niklas Hammar
    Enheten för epidemiologi, Institutet för miljömedicin, Karolinska Institutet, Stockholm
    Lakartidningen 100:2297-9. 2003
  4. ncbi Association of boiled and filtered coffee with incidence of first nonfatal myocardial infarction: the SHEEP and the VHEEP study
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    J Intern Med 253:653-9. 2003
  5. pmc Migration and mortality: a 20 year follow up of Finnish twin pairs with migrant co-twins in Sweden
    N Hammar
    Division of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    J Epidemiol Community Health 56:362-6. 2002
  6. ncbi Cancer incidence in airline and military pilots in Sweden 1961-1996
    Niklas Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Aviat Space Environ Med 73:2-7. 2002
  7. ncbi A national record linkage to study acute myocardial infarction incidence and case fatality in Sweden
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Int J Epidemiol 30:S30-4. 2001
  8. ncbi Geographical differences in the incidence of acute myocardial infarction in Sweden. Analyses of possible causes using two parallel case-control studies
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
    J Intern Med 249:137-44. 2001
  9. pmc Cancer incidence in airline cabin crew: experience from Sweden
    A Linnersjö
    Department of Epidemiology, Stockholm Center of Public Health, Stockholm, Sweden
    Occup Environ Med 60:810-4. 2003
  10. ncbi Cancer risk of patients with ischaemic syndromes
    S K Pehrsson
    Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
    J Intern Med 258:124-32. 2005

Collaborators

Detail Information

Publications53

  1. ncbi Cancer incidence among 10,211 airline pilots: a Nordic study
    Eero Pukkala
    Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland
    Aviat Space Environ Med 74:699-706. 2003
    ..Commercial airline pilots are exposed to cosmic radiation and other potentially carcinogenic elements during work and leisure activities...
  2. ncbi Comparison of early and late mortality in men and women after isolated coronary artery bypass graft surgery in Stockholm, Sweden, 1980 to 1989
    N Hammar
    Division of Epidemiology, Karolinska Institutet, Stockholm, Sweden
    J Am Coll Cardiol 29:659-64. 1997
    ..We sought to analyze early and late mortality after coronary artery bypass graft surgery (CABG) in relation to gender...
  3. ncbi [A certain increase of skin cancer among pilots]
    Niklas Hammar
    Enheten för epidemiologi, Institutet för miljömedicin, Karolinska Institutet, Stockholm
    Lakartidningen 100:2297-9. 2003
  4. ncbi Association of boiled and filtered coffee with incidence of first nonfatal myocardial infarction: the SHEEP and the VHEEP study
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    J Intern Med 253:653-9. 2003
    ..To evaluate the influence of consumption of filtered and boiled coffee, on the incidence of first nonfatal myocardial infarction...
  5. pmc Migration and mortality: a 20 year follow up of Finnish twin pairs with migrant co-twins in Sweden
    N Hammar
    Division of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    J Epidemiol Community Health 56:362-6. 2002
    ..Finland has a higher mortality overall and for major causes of death than Sweden, primarily in men. The objective of this study was to analyse mortality in migrants from Finland to Sweden...
  6. ncbi Cancer incidence in airline and military pilots in Sweden 1961-1996
    Niklas Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Aviat Space Environ Med 73:2-7. 2002
    ..The aim of this study was to describe the cancer incidence in male Swedish airline and military pilots considering flight hours and aircraft type...
  7. ncbi A national record linkage to study acute myocardial infarction incidence and case fatality in Sweden
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Int J Epidemiol 30:S30-4. 2001
    ..The aim of this paper was to describe the methods used to identify cases in a recently developed National Acute Myocardial Infarction Register in Sweden, and to present estimates of incidence and case fatality in Sweden...
  8. ncbi Geographical differences in the incidence of acute myocardial infarction in Sweden. Analyses of possible causes using two parallel case-control studies
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
    J Intern Med 249:137-44. 2001
    ..To analyse differences in myocardial infarction incidence between two Swedish counties and to evaluate the importance of major risk factors for the observed differences...
  9. pmc Cancer incidence in airline cabin crew: experience from Sweden
    A Linnersjö
    Department of Epidemiology, Stockholm Center of Public Health, Stockholm, Sweden
    Occup Environ Med 60:810-4. 2003
    ..To determine the cancer incidence in Swedish cabin crew...
  10. ncbi Cancer risk of patients with ischaemic syndromes
    S K Pehrsson
    Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
    J Intern Med 258:124-32. 2005
    ..Patients with severe symptomatic ischaemic syndromes may have a reduced ability for angiogenesis and thus a lower risk to develop cancer...
  11. ncbi Migration and differences in dietary habits-a cross sectional study of Finnish twins in Sweden
    N Hammar
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Eur J Clin Nutr 63:312-22. 2009
    ..To compare dietary habits between Finnish twin migrants to Sweden and their co-twins always living in Finland, and to analyse how migration influenced food consumption patterns in the migrants...
  12. pmc Myocardial infarction in male and female dominated occupations
    P Ostlin
    National Public Health Commission, Stockholm, Sweden
    Occup Environ Med 55:642-4. 1998
    ..These results do not support the notion that being of the sexual minority in an occupation is in itself an important risk factor for MI...
  13. pmc Time trends in the incidence of myocardial infarction among professional drivers in Stockholm 1977-96
    C Bigert
    Department of Occupational and Environmental Health, Stockholm Center of Public Health, Stockholm, Sweden
    Occup Environ Med 61:987-91. 2004
    ..To investigate time trends in the incidence of first myocardial infarction (MI) among bus, taxi, and lorry drivers in Stockholm...
  14. ncbi Recent time trends in acute myocardial infarction in Stockholm, Sweden
    A Linnersjö
    Division of Epidemiology, Karolinska Hospital, Stockholm, Sweden
    Int J Cardiol 76:17-21. 2000
    ..The purpose of this study was to analyse time trends in first acute myocardial infarction (AMI) incidence in Stockholm County during 1984-1996...
  15. doi Prognostic role of the glucometabolic status assessed in a metabolically stable phase after a first acute myocardial infarction: the SHEEP study
    I Janszky
    Department of Public Health Sciences, Karolinska Institute, Stockholm, Sweden
    J Intern Med 265:465-75. 2009
    ..Our objective was to examine fasting glucose and insulin levels in patients surviving 3 months after a first AMI in relation to long-term prognosis...
  16. ncbi Time trends in first admissions for schizophrenia and paranoid psychosis in Stockholm County, Sweden
    U Osby
    Department of Clinical Neuroscience, Karolinska Institutet, S 171 76 Stockholm, Sweden
    Schizophr Res 47:247-54. 2001
    ....
  17. doi Renal function assessed by two different formulas and incidence of myocardial infarction and death in middle-aged men and women
    M J Holzmann
    Department of Emergency Medicine, Karolinska University Hospital, Stockholm, Sweden
    J Intern Med 267:357-69. 2010
    ..We evaluated glomerular filtration rates (GFR) estimated by the Modification of Diet in Renal Disease study (GFR-MDRD) equation and the Mayo formula (GFR-Mayo) as predictors of myocardial infarction and death...
  18. doi Digoxin in atrial fibrillation: report from the Stockholm Cohort study of Atrial Fibrillation (SCAF)
    L Friberg
    Department of Clinical Science and Education, Karolinska Institute at South Hospital, Stockholm, Sweden
    Heart 96:275-80. 2010
    ..Objective To study which patients receive digoxin treatment for AF and what the prognosis is for patients given this treatment...
  19. ncbi Alcohol consumption and the incidence of type 2 diabetes: a 20-year follow-up of the Finnish twin cohort study
    Sofia Carlsson
    Division of Epidemiology, Stockholm Centre of Public Health, Karolinska University Hospital, Stockholm, Sweden
    Diabetes Care 26:2785-90. 2003
    ..The aim of this study was to investigate alcohol consumption in relation to the incidence of type 2 diabetes...
  20. ncbi Assessment of alcohol consumption by mailed questionnaire in epidemiological studies: evaluation of misclassification using a dietary history interview and biochemical markers
    Sofia Carlsson
    Division of Epidemiology, Stockholm Centre of Public Health, Stockholm, Sweden
    Eur J Epidemiol 18:493-501. 2003
    ..The aim of this study was to evaluate self-reported information on alcohol consumption from a mailed questionnaire by comparing to a dietary history interview and biochemical markers of alcohol intake...
  21. ncbi Job strain and major risk factors for coronary heart disease among employed males and females in a Swedish study on work, lipids and fibrinogen
    Lars Alfredsson
    Division of Cardiovascular Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Scand J Work Environ Health 28:238-48. 2002
    ..The aim of this study was to analyze the relationship of job strain (high psychological job demands and low decision latitude) to hypertension, serum lipids, and plasmafibrinogen...
  22. ncbi Alcohol consumption and type 2 diabetes Meta-analysis of epidemiological studies indicates a U-shaped relationship
    S Carlsson
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Diabetologia 48:1051-4. 2005
    ..Aspects of moderate alcohol consumption also need further investigation; these include type of drink, frequency of drinking, sex and ethnic differences...
  23. ncbi Coffee consumption, type 2 diabetes and impaired glucose tolerance in Swedish men and women
    E E Agardh
    Department of Molecular Medicine, Endocrine and Diabetes Unit, Karolinska Institutet, Stockholm, Sweden
    J Intern Med 255:645-52. 2004
    ..In addition, indicators of insulin sensitivity and beta-cell function according to homeostasis model assessment were studied in relation to coffee consumption...
  24. ncbi Migration and coronary heart disease: A study of Finnish twins living in Sweden and their co-twins residing in Finland
    Ebba Hedlund
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Sweden
    Scand J Public Health 35:468-74. 2007
    ..The aim of the present study was to analyse the prevalence of CHD in migrants to Sweden compared with co-twins remaining in Finland...
  25. ncbi Abstention, alcohol use and risk of myocardial infarction in men and women taking account of social support and working conditions: the SHEEP case-control study
    Anders Romelsjo
    Centre for Social Research on Alcohol and Drugs, Stockholm, Sweden
    Addiction 98:1453-62. 2003
    ..A second aim was to analyse the impact of the volume of earlier alcohol use in abstainers...
  26. ncbi Classification of left main coronary obstruction--feasibility of surgical angioplasty and survival after coronary artery bypass surgery
    A Jonsson
    Department of Thoracic Surgery, Karolinska Hospital, Stockholm, Sweden
    Cardiovasc Surg 11:497-505. 2003
    ..Similarly, the RR at 10 years was 1.3 (95% CL 1.0-1.6). LMCA obstruction was associated with an early and long-term increased mortality after surgery compared to patients without LMCA obstruction...
  27. ncbi ECG-abnormalities in Japanese and Swedish patients with sarcoidosis. A comparison
    F Larsen
    Department of Clinical Physiology and Radiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Sarcoidosis Vasc Diffuse Lung Dis 18:284-8. 2001
    ..ST-T changes and first degree AV block would appear early in the course of the disease, whereas more pronounced conduction defects may appear later...
  28. ncbi Country of birth and survival after a first myocardial infarction in Stockholm, Sweden
    Ebba Hedlund
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Eur J Epidemiol 23:341-7. 2008
    ..To analyse survival after a first myocardial infarction among immigrants in Stockholm, Sweden...
  29. doi Time trends in incidence of myocardial infarction in male and female dominated occupations in Stockholm, Sweden
    Piroska Ostlin
    Division of International Health IHCAR, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    Scand J Public Health 36:546-54. 2008
    ..To investigate time trends in first acute myocardial infarction (MI) incidence in male and female dominated occupations in Stockholm during 1977-1996...
  30. ncbi Acute myocardial infarction incidence in immigrants to Sweden. Country of birth, time since immigration, and time trends over 20 years
    Ebba Hedlund
    Department of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Eur J Epidemiol 22:493-503. 2007
    ..It is likely that this to an important extent has a background in factors in the country of origin...
  31. ncbi Migration and smoking: an epidemiological study of Finnish twins in Sweden
    Lena Jörgensen
    Department of Epidemiology, Stockholm Centre for Public Health, Sweden
    Scand J Public Health 33:285-91. 2005
    ..Male migrants from Finland to Sweden have been found to have a reduced risk of coronary heart disease after several years in Sweden. Changes in smoking habits may contribute to this reduced risk...
  32. ncbi The prognosis of patients with atrial fibrillation is improved when sinus rhythm is restored: report from the Stockholm Cohort of Atrial Fibrillation (SCAF)
    L Friberg
    Karolinska Institute at South Hospital, Stockholm, Sweden
    Heart 95:1000-5. 2009
    ..To what extent restoration and maintenance of sinus rhythm per se affect long-term prognosis in AF patients is less clear...
  33. doi Insulin-like growth factor binding protein-1 is a long-term predictor of heart failure in survivors of a first acute myocardial infarction and population controls
    Imre Janszky
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    Int J Cardiol 138:50-5. 2010
    ..Only a few studies have investigated the prospective relationship between insulin-like growth factor binding protein-1 (IGFBP-1) and cardiovascular events and the results are conflicting...
  34. ncbi Risk of death or acute myocardial infarction 10 years after coronary artery bypass surgery in relation to type of diabetes
    Thomas Alserius
    Department of Thoracic Surgery, Karolinska Hospital, Stockholm, Sweden
    Am Heart J 152:599-605. 2006
    ..The aim of this study was to assess the long-term risk of death or acute myocardial infarction (AMI) in patients with diabetes mellitus (DM) compared with that in patients without DM after coronary artery bypass grafting (CABG)...
  35. ncbi The new Swedish Prescribed Drug Register--opportunities for pharmacoepidemiological research and experience from the first six months
    Björn Wettermark
    Division of Clinical Pharmacology, Karolinska University Hospital, Huddinge, Karolinska Institutet, Stockholm, Sweden
    Pharmacoepidemiol Drug Saf 16:726-35. 2007
    ..To describe the content and potentials of the new Swedish national register on prescribed and dispensed medicines...
  36. ncbi Left main coronary artery stenosis no longer a risk factor for early and late death after coronary artery bypass surgery--an experience covering three decades
    Anders Jonsson
    Department of Thoracic Surgery, Karolinska University Hospital, Stockholm, Sweden
    Eur J Cardiothorac Surg 30:311-7. 2006
    ..To analyse early and late mortality after coronary artery bypass grafting (CABG) in patients with and without left main coronary artery (LMCA) stenosis during the 30-year period 1970-1999...
  37. ncbi Elevated glycosylated haemoglobin (HbA1c) is a risk marker in coronary artery bypass surgery
    Thomas Alserius
    Department of Cardiothoracic Surgery and Anaesthesiology, Karolinska University Hospital, Karolinska Institute, Stockholm, Sweden
    Scand Cardiovasc J 42:392-8. 2008
    ..To evaluate if glycosylated haemoglobin 1 (HbA1c) was associated with increased risk of infection and mortality after coronary artery bypass grafting (CABG)...
  38. ncbi Increased mortality in paroxysmal atrial fibrillation: report from the Stockholm Cohort-Study of Atrial Fibrillation (SCAF)
    Leif Friberg
    Department of Clinical Science and Education, Karolinska Institute at South Hospital, Stockholm, Sweden
    Eur Heart J 28:2346-53. 2007
    ..Results have been conflicting in the few previously published studies. To describe mortality in patients with PxAF and to identify risk factors amenable to treatment...
  39. pmc Incidence of cancer among Nordic airline pilots over five decades: occupational cohort study
    Eero Pukkala
    Finnish Cancer Registry, Institute for Statistical and Epidemiological Cancer Research, Liisankatu 21 B, FIN 00170 Helsinki, Finland
    BMJ 325:567. 2002
    ..To assess the incidence of cancer among male airline pilots in the Nordic countries, with special reference to risk related to cosmic radiation...
  40. ncbi Higher prevalence of Chlamydia pneumoniae seropositivity in Finnish twins compared with co-twins living in Sweden: relationships with markers of subclinical atherosclerosis
    Laura Jartti
    Department of Medicine, University of Turku, Turku, Finland
    Clin Sci (Lond) 105:303-13. 2003
    ..These findings offer insight into the mechanism whereby chronic Cpn infection may increase the risk of coronary heart disease...
  41. ncbi Mortality from cancer and other causes among airline cabin attendants in Europe: a collaborative cohort study in eight countries
    Hajo Zeeb
    Division of Epidemiology and Medical Statistics, School of Public Health, University of Bielefeld, Bielefeld, Germany
    Am J Epidemiol 158:35-46. 2003
    ..The risk of skin cancer among male crew members requires further attention...
  42. ncbi Myocardial infarction in Swedish subway drivers
    Carolina Bigert
    Department of Occupational and Environmental Health, Norrbacka 4th Floor, SE 171 76 Stockholm, Sweden
    Scand J Work Environ Health 33:267-71. 2007
    ..This situation has caused concern for negative health effects among subway staff. The aim of this study was to investigate whether there is an increased incidence of myocardial infarction among subway drivers...
  43. ncbi Mortality from cancer and other causes among male airline cockpit crew in Europe
    Maria Blettner
    School of Public Health, Division of Epidemiology and Medical Statistics, University of Bielefeld, Bielefeld, Germany
    Int J Cancer 106:946-52. 2003
    ..Occupational risk factors apart from aircraft accidents seem to be of limited influence with regard to the mortality of cockpit crew in Europe...
  44. ncbi Coffee consumption and risk of type 2 diabetes in Finnish twins
    Sofia Carlsson
    Int J Epidemiol 33:616-7. 2004
  45. ncbi Selective international migration by social position, health behaviour and personality
    Karri Silventoinen
    Department of Public Health, University of Helsinki, Helsinki, Finland
    Eur J Public Health 18:150-5. 2008
    ..We analysed differences in psycho-social and health behavioural factors between international migrants and non-migrants prior to migration in a large cohort of Finnish twins...
  46. ncbi Increased carotid intima-media thickness in men born in east Finland: a twin study of the effects of birthplace and migration to Sweden on subclinical atherosclerosis
    Laura Jartti
    Department of Medicine, University of Turku, Finland
    Ann Med 34:162-70. 2002
    ..A study of Finnish immigrants to Sweden has suggested that a long stay in Sweden would be associated with reduced CHD risk...
  47. ncbi Use of oral contraceptives and mortality during 14 years' follow-up of Norwegian women
    Sidsel Graff-Iversen
    Norwegian Institute of Public Health, Oslo, Norway
    Scand J Public Health 34:11-6. 2006
    ..The aim was to evaluate total and cardiovascular disease (CVD) mortality in relation to use of oral contraceptives (OC) in a cohort of women with a relatively high prevalence of smoking and high serum lipid levels...
  48. ncbi Renal insufficiency and long-term mortality and incidence of myocardial infarction in patients undergoing coronary artery bypass grafting
    Martin J Holzmann
    Department of Emergency Medicine, Karolinska University Hospital, 171 76 Stockholm, Sweden
    Eur Heart J 28:865-71. 2007
    ..To evaluate the impact of renal insufficiency (RI) on long-term mortality and incident myocardial infarction (MI) in patients undergoing coronary artery bypass grafting (CABG)...
  49. ncbi Enhanced endothelium-dependent vasodilation in subjects with Proline7 substitution in the signal peptide of neuropeptide Y
    Mikko J Jarvisalo
    Department of Clinical Physiology, University of Turku, Turku, Finland
    Atherosclerosis 167:319-26. 2003
    ..Prospective studies are needed to determine whether Pro7 substitution is associated with increased or decreased risk of cardiovascular morbidity and mortality...
  50. ncbi Obesity and the risk of early and late mortality after coronary artery bypass graft surgery
    Joseph Kim
    Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis, Minn 55454, USA
    Am Heart J 146:555-60. 2003
    ..Obesity is often considered to be a significant risk factor for postoperative mortality when selecting candidates for coronary artery bypass grafting (CABG)...
  51. ncbi Shift workers' mortality scrutinized
    Anders Knutsson
    Department of Nursing and Health Sciences, Mid Sweden University, Sundsvall, Sweden
    Chronobiol Int 21:1049-53. 2004
    ..47, 95% Confidence Interval: 1.12-1.93). We suggest that shift work is associated with increased mortality risk...
  52. doi Serum lipids, blood pressure and body weight around the age of the menopause
    Sidsel Graff-Iversen
    Norwegian Institute of Public Health, Oslo, Norway
    Eur J Cardiovasc Prev Rehabil 15:83-8. 2008
    ..We sought to study these associations in data collected before the widespread use of lipid lowering drugs and hormone therapy...
  53. doi Population-based register of stroke: manual of operations
    Simona Giampaoli
    National Institute of Health, Rome, Italy
    Eur J Cardiovasc Prev Rehabil 14:S23-41. 2007
    ..All cases among residents should be recorded even if the case occurs outside the area. Validation of a sample of fatal and nonfatal events is mandatory...