Rickard Ljung

Summary

Affiliation: Karolinska Institutet
Country: Sweden

Publications

  1. doi request reprint Increased risk of acute pancreatitis among tetracycline users in a Swedish population-based case-control study
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Norra Stationsgatan 67, 2nd Floor, Karolinska Institutet, SE 171 76 Stockholm, Sweden
    Gut 61:873-6. 2012
  2. pmc Socio-demographic and geographical factors in esophageal and gastric cancer mortality in Sweden
    Rickard Ljung
    Unit of Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    PLoS ONE 8:e62067. 2013
  3. doi request reprint Selective serotonin reuptake inhibitors and the risk of acute pancreatitis: a Swedish population-based case-control study
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    J Clin Psychopharmacol 32:336-40. 2012
  4. doi request reprint Twelve tips for conducting a postgraduate course on study design and study protocol writing for the medical profession
    Rickard Ljung
    Department of Molecular Medicine and Surgery, Karolinska Institutet, SE 171 76 Stockholm, Sweden
    Med Teach 34:25-9. 2012
  5. doi request reprint Oral disease and risk of oesophageal and gastric cancer in a nationwide nested case-control study in Sweden
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Eur J Cancer 47:2128-32. 2011
  6. doi request reprint Cardiovascular disease and risk of acute pancreatitis in a population-based study
    Tomas Sjöberg Bexelius
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Pancreas 42:1011-5. 2013
  7. pmc An association between initiation of selective serotonin reuptake inhibitors and suicide - a nationwide register-based case-crossover study
    Charlotte Björkenstam
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden Department of Statistics, Monitoring, and Evaluation, National Board of Health and Welfare, Stockholm, Sweden
    PLoS ONE 8:e73973. 2013
  8. pmc Multi-exposure and clustering of adverse childhood experiences, socioeconomic differences and psychotropic medication in young adults
    Emma Bjorkenstam
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden
    PLoS ONE 8:e53551. 2013
  9. doi request reprint Association of oral glucocorticoid use with an increased risk of acute pancreatitis: a population-based nested case-control study
    Omid Sadr-Azodi
    Unit of Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Norra Stationsgatan 67, SE 171 76 Stockholm, Sweden
    JAMA Intern Med 173:444-9. 2013
  10. doi request reprint Juvenile delinquency, social background and suicide--a Swedish national cohort study of 992,881 young adults
    Emma Bjorkenstam
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institute, Stockholm, Sweden
    Int J Epidemiol 40:1585-92. 2011

Detail Information

Publications32

  1. doi request reprint Increased risk of acute pancreatitis among tetracycline users in a Swedish population-based case-control study
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Norra Stationsgatan 67, 2nd Floor, Karolinska Institutet, SE 171 76 Stockholm, Sweden
    Gut 61:873-6. 2012
    ..To evaluate the suggested association between tetracycline and acute pancreatitis in a large pharmacoepidemiological study...
  2. pmc Socio-demographic and geographical factors in esophageal and gastric cancer mortality in Sweden
    Rickard Ljung
    Unit of Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    PLoS ONE 8:e62067. 2013
    ..Socio-demographic factors and area of residence might influence the development of esophageal and gastric cancer. Large-scale population-based research can determine the role of such factors...
  3. doi request reprint Selective serotonin reuptake inhibitors and the risk of acute pancreatitis: a Swedish population-based case-control study
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    J Clin Psychopharmacol 32:336-40. 2012
    ..0 (95% CI, 0.9-1.1). The OR for antidepressant use other than SSRI showed a similar pattern. In conclusion, no increased risk of acute pancreatitis remained among users of SSRI after adjusting for confounding factors...
  4. doi request reprint Twelve tips for conducting a postgraduate course on study design and study protocol writing for the medical profession
    Rickard Ljung
    Department of Molecular Medicine and Surgery, Karolinska Institutet, SE 171 76 Stockholm, Sweden
    Med Teach 34:25-9. 2012
    ..However, several studies have shown that the biostatistical and epidemiological knowledge of academically active health care professionals is far below the desired level...
  5. doi request reprint Oral disease and risk of oesophageal and gastric cancer in a nationwide nested case-control study in Sweden
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Eur J Cancer 47:2128-32. 2011
    ..7-1.1). In conclusion, this study supports the hypothesis that oral disease increases the risk of oesophageal adenocarcinoma, but not for oesophageal squamous cell carcinoma or gastric cancer. Further investigations are warranted...
  6. doi request reprint Cardiovascular disease and risk of acute pancreatitis in a population-based study
    Tomas Sjöberg Bexelius
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Pancreas 42:1011-5. 2013
    ..The low-grade inflammation that characterizes cardiovascular disorders may facilitate the development of pancreatitis; therefore, we investigated the connection between cardiovascular disorders and acute pancreatitis...
  7. pmc An association between initiation of selective serotonin reuptake inhibitors and suicide - a nationwide register-based case-crossover study
    Charlotte Björkenstam
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden Department of Statistics, Monitoring, and Evaluation, National Board of Health and Welfare, Stockholm, Sweden
    PLoS ONE 8:e73973. 2013
    ..Treatment with selective serotonin reuptake inhibitors (SSRI) is one of the most common treatments for depression. It is however not clear whether or not there is an increased short-term suicide risk during initiation with SSRI...
  8. pmc Multi-exposure and clustering of adverse childhood experiences, socioeconomic differences and psychotropic medication in young adults
    Emma Bjorkenstam
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden
    PLoS ONE 8:e53551. 2013
    ..Stressful childhood experiences have negative long-term health consequences. The present study examines the association between adverse childhood experiences, socioeconomic position, and risk of psychotropic medication in young adulthood...
  9. doi request reprint Association of oral glucocorticoid use with an increased risk of acute pancreatitis: a population-based nested case-control study
    Omid Sadr-Azodi
    Unit of Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Norra Stationsgatan 67, SE 171 76 Stockholm, Sweden
    JAMA Intern Med 173:444-9. 2013
    ..Oral glucocorticoid use has been suggested to cause acute pancreatitis in several case reports. However, no epidemiological study has investigated this association...
  10. doi request reprint Juvenile delinquency, social background and suicide--a Swedish national cohort study of 992,881 young adults
    Emma Bjorkenstam
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institute, Stockholm, Sweden
    Int J Epidemiol 40:1585-92. 2011
    ..As the suicide rates in young adults do not show a clear decline, it is important to elucidate possible risk factors. Juvenile delinquency has been pointed out as a possible risk behaviour...
  11. doi request reprint Reliability of acute pancreatitis diagnosis coding in a National Patient Register: a validation study in Sweden
    Dan Razavi
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Pancreatology 11:525-32. 2011
    ..The main aim of this study was to validate the diagnosis coding for acute pancreatitis in the Swedish National Patient Register...
  12. pmc Short and long term mortality after coronary artery bypass grafting (CABG) is influenced by socioeconomic position but not by migration status in Sweden, 1995-2007
    Dashti Ali M Dzayee
    Institute of Environmental Medicine, Division of Epidemiology, Karolinska Institutet, Stockholm, Sweden
    PLoS ONE 8:e63877. 2013
    ..The objective was to investigate the risk of mortality after CABG considering socioeconomic position, sex and country of birth...
  13. pmc Heavy snoring is a risk factor for case fatality and poor short-term prognosis after a first acute myocardial infarction
    Imre Janszky
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    Sleep 31:801-7. 2008
    ..The average follow-up time was 8 years, SD = 262 days...
  14. ncbi request reprint Alcohol and long-term prognosis after a first acute myocardial infarction: the SHEEP study
    Imre Janszky
    Department of Public Health Sciences, Karolinska Institutet, Norrbacka, 6th Floor, Karolinska University Hospital SE 171 76 Stockholm, Sweden
    Eur Heart J 29:45-53. 2008
    ..Few studies have investigated the relation between alcohol consumption, former drinking, and prognosis after an acute myocardial infarction (AMI), particularly for non-fatal outcomes...
  15. doi request reprint 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...
  16. ncbi request reprint Systematic underreporting of the population-based incidence of pancreatic and biliary tract cancers
    Carl Kilander
    Unit of Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Acta Oncol 53:822-9. 2014
    ..This study tested whether pancreatic and biliary tract cancers are underreported in the Swedish Cancer Register (CR)...
  17. ncbi request reprint Downward trend in the risk of second myocardial infarction in Sweden, 1987-2007: breakdown by socioeconomic position, gender, and country of birth
    Dashti Ali M Dzayee
    Karolinska Institutet, Stockholm, Sweden
    Eur J Prev Cardiol 21:549-58. 2014
    ..Second myocardial infarction (SMI) is a significant health problem. There are no nationwide studies on SMI among foreign-born populations that include detailed information about country of birth...
  18. doi request reprint Daylight saving time shifts and incidence of acute myocardial infarction--Swedish Register of Information and Knowledge About Swedish Heart Intensive Care Admissions (RIKS-HIA)
    Imre Janszky
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    Sleep Med 13:237-42. 2012
    ..Limited evidence suggests that these shifts have a short-term influence on the risk of acute myocardial infarction (AMI), but confirmation of this finding and its variation in magnitude between individuals is not clear...
  19. pmc Quality of medical care and excess mortality in psychiatric patients--a nationwide register-based study in Sweden
    Emma Bjorkenstam
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institute, Stockholm, Sweden
    BMJ Open 2:e000778. 2012
    ..To assess overall and cause-specific mortality and the quality of somatic care among psychiatric patients...
  20. pmc Prognosis of concomitant users of clopidogrel and proton-pump inhibitors in a high-risk population for upper gastrointestinal bleeding
    Qing Wang
    Department of Molecular Medicine and Surgery, Karolinska Institutet, SE 171 76 Stockholm, Sweden
    BMC Pharmacol Toxicol 15:22. 2014
    ..It is unclear whether concomitant use of clopidogrel and proton-pump inhibitors (PPIs) increases the risk of recurrence of cardiovascular disease or death in patients at high risk of upper gastrointestinal (GI) bleeding...
  21. ncbi request reprint Anticoagulant medication at time of needle biopsy for breast cancer in relation to risk of lymph node metastasis
    Rickard Ljung
    Upper Gastrointestinal Surgery Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden Unit of Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
    Int J Cancer 135:238-41. 2014
    ..These findings provide some support for the hypothesis that anticoagulant medications might counteract breast cancer spread caused by needle biopsy. ..
  22. doi request reprint Risk of new psychiatric episodes in the year following divorce in midlife: cause or selection? A nationwide register-based study of 703,960 individuals
    Emma Bjorkenstam
    1Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden
    Int J Soc Psychiatry 59:801-4. 2013
    ..To examine if divorce is associated with an increased risk of psychiatric disorder...
  23. doi request reprint School grades, parental education and suicide--a national register-based cohort study
    Charlotte Björkenstam
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    J Epidemiol Community Health 65:993-8. 2011
    ..To investigate whether school performance is a risk factor for suicide death later in life and, if so, to what extent this is explained by intergenerational effects of parental education...
  24. doi request reprint Insulin glargine use and short-term incidence of malignancies - a three-year population-based observation
    Rickard Ljung
    Swedish National Board of Health and Welfare, Stockholm, Sweden
    Acta Oncol 50:685-93. 2011
    ..To further investigate the association of cancer occurrence with the use of insulin glargine...
  25. doi request reprint High concomitant use of interacting drugs and low use of gastroprotective drugs among NSAID users in an unselected elderly population: a nationwide register-based study
    Rickard Ljung
    Upper Gastrointestinal Research, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
    Drugs Aging 28:469-76. 2011
    ..NSAIDs are commonly used in the elderly and carry significant risks of adverse events when used concomitantly with potentially interacting drugs...
  26. ncbi request reprint Misclassification of occupation-based socioeconomic position and gender comparisons of socioeconomic risk
    Rickard Ljung
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden
    Scand J Public Health 35:17-22. 2007
    ....
  27. ncbi request reprint Inequalities in avoidable hospitalisation by area income and the role of individual characteristics: a population-based register study in Stockholm County, Sweden
    Therese Löfqvist
    Division of Social Medicine, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    BMJ Qual Saf 23:206-14. 2014
    ..Avoidable hospitalisations are hospital admissions for medical conditions that could potentially have been prevented by outpatient healthcare. They are used as an indicator of access to and quality of primary healthcare...
  28. doi request reprint Widowhood and the risk of psychiatric care, psychotropic medication and all-cause mortality: a cohort study of 658,022 elderly people in Sweden
    Jette Moller
    Department of Public Health Sciences, Division of Public Health Epidemiology, Karolinska Institutet, Stockholm, Sweden
    Aging Ment Health 15:259-66. 2011
    ..To study the effect of widowhood on the risk of psychiatric care, psychotropic medication and mortality, and to study if the effect is modified by educational level...
  29. pmc Burden of type 2 diabetes attributed to lower educational levels in Sweden
    Emilie E Agardh
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Stockholm, Sweden
    Popul Health Metr 9:60. 2011
    ..abstract:..
  30. ncbi request reprint [Quality indicators for antibiotic prescription in primary health care. Based on data from the National Board of Health and Welfare's drug registry]
    Rickard Ljung
    Institutionen för folkhälsovetenskap, Karolinska Institutet, Stockholm
    Lakartidningen 104:2952-4. 2007
  31. doi request reprint Use of desmopressin and concomitant use of potentially interacting drugs in elderly patients in Sweden
    Rickard Ljung
    Centre for Epidemiology, The National Board of Health and Welfare, SE 106 30, Stockholm, Sweden
    Eur J Clin Pharmacol 64:439-44. 2008
    ....
  32. pmc Socioeconomic differences in the burden of disease in Sweden
    Rickard Ljung
    Department of Public Health Sciences, Division of Social Medicine, Karolinska Institutet, Norrbacka S171 76 Stockholm, Sweden
    Bull World Health Organ 83:92-9. 2005
    ..We also sought to determine how this unequal burden is distributed across different disease groups and socioeconomic groups...