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https://www.readbyqxmd.com/read/28429106/occupational-exposure-to-extremely-low-frequency-magnetic-fields-and-risk-for-central-nervous-system-disease-an-update-of-a-danish-cohort-study-among-utility-workers
#1
Camilla Pedersen, Aslak Harbo Poulsen, Naja Hulvej Rod, Patrizia Frei, Johnni Hansen, Kathrine Grell, Ole Raaschou-Nielsen, Joachim Schüz, Christoffer Johansen
PURPOSE: Evidence of whether exposure to extremely low-frequency magnetic fields (ELF-MF) is related to central nervous system diseases is inconsistent. This study updates a previous study of the incidence of such diseases in a large cohort of Danish utility workers by almost doubling the period of follow-up. METHODS: We investigated the risks for dementia, motor neurone disease, Parkinson disease, multiple sclerosis and epilepsy among 32,006 men employed at the 99 utility companies that supplied Denmark with electricity during the period 1900-1993...
April 20, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28427407/constructive-ehealth-evaluation-lessons-from-evaluation-of-ehr-development-in-4-danish-hospitals
#2
Anna Marie Balling Høstgaard, Pernille Bertelsen, Christian Nøhr
BACKGROUND: Information and communication sources in the healthcare sector are replaced with new eHealth technologies. This has led to problems arising from the lack of awareness of the importance of end-user involvement in eHealth development and of the difficulties caused by using traditional summative evaluation methods. The Constructive eHealth evaluation method (CeHEM) provides a solution to these problems by offering an evaluation framework for supporting and facilitating end-user involvement during all phases of eHealth development...
April 20, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28427381/penicillin-treatment-for-patients-with-community-acquired-pneumonia-in-denmark-a-retrospective-cohort-study
#3
Gertrud Baunbæk Egelund, Andreas Vestergaard Jensen, Stine Bang Andersen, Pelle Trier Petersen, Bjarne Ørskov Lindhardt, Christian von Plessen, Gernot Rohde, Pernille Ravn
BACKGROUND: Community-acquired pneumonia (CAP) is a severe infection, with high mortality. Antibiotic strategies for CAP differ across Europe. The objective of the study was to describe the epidemiology of CAP in Denmark and evaluate the prognosis of patients empirically treated with penicillin-G/V monotherapy. METHODS: Retrospective cohort study including hospitalized patients with x-ray confirmed CAP. We calculated the population-based incidence, reviewed types of empiric antibiotics and duration of antibiotic treatment...
April 20, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28426281/identification-of-ssea-1-expressing-enhanced-reprogramming-seer-cells-in-porcine-embryonic-fibroblasts
#4
Dong Li, Jan O Secher, Morten Juhl, Kaveh Mashayekhi, Troels T Nielsen, Bjørn Holst, Poul Hyttel, Kristine K Freude, Vanessa J Hall
Previous research has shown that a subpopulation of cells within cultured human dermal fibroblasts, termed multilineage-differentiating stress enduring (Muse) cells, are preferentially reprogrammed into induced pluripotent stem cells. However, controversy exists over whether these cells are the only cells capable of being reprogrammed from a heterogeneous population of fibroblasts. Similarly, there is little research to suggest such cells may exist in embryonic tissues or other species. In order to address if such a cell population exists in pigs, we investigated porcine embryonic fibroblast populations (pEFs) and identified heterogeneous expression of several key cell surface markers...
April 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28422885/cancer-of-unknown-primary-registered-procedures-compared-with-national-integrated-cancer-pathway-for-illuminating-external-validity
#5
Anne-Kirstine Dyrvig, Knud Bonnet Yderstræde, Oke Gerke, Peter Bjødstrup Jensen, Søren Hess, Poul Flemming Høilund-Carlsen, Anders Green
Cancer of unknown primary (CUP) ranges within top 10 cancers in both incidence and mortality. As primary identification is crucial to choosing treatment, guidelines on CUP emphasize the diagnostic strategy. Whether guidelines are complied with, or if they are indeed helpful, is however unclear. We compared procedures performed in suspected CUP patients with recommendations of national guidelines to assess external validity of guidelines.The Danish National Patient Registry (NPR) comprising population data was utilized to identify the suspected CUP patients during 2009 to 2010 and explore exposure to procedures and patient survival...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422422/psychopathology-and-social-functioning-of-42-subjects-from-a-danish-ultra-high-risk-cohort
#6
Helle Karkov Madsen, Dorte Nordholm, Kristine Krakauer, Lasse Randers, Merete Nordentoft
AIM: To make a thorough characterization of the co-morbidity, psychopathology and demographics in the first Danish ultra high-risk (UHR) sample. METHOD: Forty-two UHR subjects went through comprehensive interviews assessing their psychopathology, psychiatric disorders, substance use and family history of psychiatric disorders. RESULTS: All UHR subjects met the criteria of at least 1 axis I diagnosis in the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) and met on average four diagnoses (both axis I and II), mostly within the areas of depression, anxiety and substance abuse...
April 19, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28422339/prenatal-exposure-to-%C3%AE-2-adrenoreceptor-agonists-and-the-risk-of-autism-spectrum-disorders-in-offspring
#7
XiuJuan Su, Wei Yuan, JianPing Chen, MaoHua Miao, Jørn Olsen, Lars Henning Pedersen, Hong Liang, Jiong Li
PURPOSE: We aimed to examine the risk of autism spectrum disorders (ASDs) in the offspring who were exposed to maternal use of β2-adrenoreceptor agonist (β2AA) during pregnancy. METHODS: This is a population-based cohort study including all live singleton births in Denmark from 1 January 1997 to 31 December 2008. Children born to mothers who used β2AA during pregnancy were categorized as exposed, and all other children were included in the unexposed group. Cases of ASDs were identified from the Danish Psychiatric Central Register and the Danish Patient Register...
April 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28420655/syncope-and-its-impact-on-occupational-accidents-and-employment-a-danish-nationwide-retrospective-cohort-study
#8
Anna-Karin Numé, Kristian Kragholm, Nicolas Carlson, Søren L Kristensen, Henrik Bøggild, Mark A Hlatky, Christian Torp-Pedersen, Gunnar Gislason, Martin H Ruwald
BACKGROUND: First-time syncopal episodes usually occur in adults of working age, but their impact on occupational safety and employment remains unknown. We examined the associations of syncope with occupational accidents and termination of employment. METHODS AND RESULTS: Through linkage of Danish population-based registers, we included all residents 18 to 64 years from 2008 to 2012. Among 3 410 148 eligible individuals, 21 729 with a first-time diagnosis of syncope were identified, with a median age 48...
April 2017: Circulation. Cardiovascular Quality and Outcomes
https://www.readbyqxmd.com/read/28420585/adjuvant-chemotherapy-is-associated-with-improved-overall-survival-in-locally-advanced-rectal-cancer-after-achievement-of-a-pathologic-complete-response-to-chemoradiation
#9
Danish Shahab, Emmanuel Gabriel, Kristopher Attwood, Wen Wee Ma, Valerie Francescutti, Steven Nurkin, Patrick M Boland
BACKGROUND: In locally advanced rectal adenocarcinoma, 15% to 20% of patients treated with neoadjuvant chemoradiation (nCRT) achieve a pathologic complete response (pCR). The benefit of adjuvant chemotherapy is controversial in rectal cancer. Our objective was to evaluate the effect of clinical risk factors and adjuvant chemotherapy usage on the outcomes of the pCR patient population. PATIENTS AND METHODS: We performed a retrospective study using the National Cancer Data Base from 2006 to 2013...
March 18, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28418710/lung-cancer-guidelines-in-sweden-denmark-norway-and-finland-a-comparison
#10
Niels Lyhne Christensen, Antti Jekunen, Sebastian Heinonen, Susanne Oksbjerg Dalton, Torben Riis Rasmussen
BACKGROUND: The Nordic countries are similar in terms of demographics and health care organization. Yet there are marked differences in lung cancer mortality, for which Denmark historically has had the poorest outcome. One of several possible reasons for these differences could have to do with how lung cancer is diagnosed and treated in the different Nordic countries. However, among the four most populous Nordic countries: Sweden, Denmark, Norway and Finland, there is a paucity of knowledge about differences and similarities in recommendations in the national guidelines for non-small cell lung cancer (NSCLC) and the methodology by which the guidelines are developed...
April 18, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28417648/danish-translation-and-validation-of-kessler-s-10-item-psychological-distress-scale-k10
#11
Camilla Thelin, Benjamin Mikkelsen, Gunnar Laier, Louise Turgut, Bente Henriksen, Lis Raabaek Olsen, Jens Knud Larsen, Sidse Arnfred
BACKGROUND: Psychological distress is a trans-diagnostic feature of mental suffering closely associated with mental disorders. Kessler's 10-item Psychological Distress Scale (K10), a scale with sound psychometric properties, is widely used in epidemiological studies. AIM: To translate and investigate whether K10 is a reliable and valid rating scale for the measurement of psychological distress in a Danish population. METHODS: The translation was carried out according to official WHO translation guidelines...
April 18, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28416794/stability-of-the-frequent-copd-exacerbator-in-the-general-population-a-danish-nationwide-register-based-study
#12
Mette Reilev, Jesper Lykkegaard, Anders Halling, Jørgen Vestbo, Jens Søndergaard, Anton Pottegård
Exacerbation frequency is central in treatment strategies for chronic obstructive pulmonary disease. However, whether chronic obstructive pulmonary disease patients from the general population with frequent exacerbations continue to have frequent exacerbations over an extended period of time is currently unknown. In this study, we aimed to investigate the stability of the frequent exacerbator in a population-based setting. To this end, we conducted a nationwide register-based descriptive study with a 10-year follow-up period of chronic obstructive pulmonary disease patients with at least one medically treated exacerbation in 2003...
April 17, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28412020/cardiac-surgery-in-patients-with-congenital-heart-disease-is-associated-with-acute-kidney-injury-and-the-risk-of-chronic-kidney-disease
#13
Nicolas L Madsen, Stuart L Goldstein, Trine Frøslev, Christian F Christiansen, Morten Olsen
Cardiac surgery associated-acute kidney injury (CS-AKI) occurs in 30-50% of patients undergoing surgery for congenital heart disease. Here we determine if CS-AKI is associated with chronic kidney disease (CKD) in patients with congenital heart disease. Using Danish regional population-based registries, our cohort study included patients with congenital heart disease born between 1990-2010 with first cardiac surgery between 2005 and 2010 (under 15 years of age). Utilizing in- and out-patient laboratory serum creatinine data, we identified individuals fulfilling KDIGO stages of AKI within 5 days of cardiac surgery...
April 12, 2017: Kidney International
https://www.readbyqxmd.com/read/28411390/statin-use-and-mortality-among-ovarian-cancer-patients-a-population-based-cohort-study
#14
Freija Verdoodt, Merete Kjaer Hansen, Susanne K Kjaer, Anton Pottegård, Søren Friis, Christian Dehlendorff
Statin use has been suggested to improve prognosis in cancer patients, however, for ovarian cancer, the evidence is sparse. From the Danish Cancer Registry, we identified patients aged 30-84 years with a histologically verified first diagnosis of epithelial ovarian cancer between 2000-2013. Data on filled prescriptions, death, and potential confounding factors were obtained from nationwide registers. Cox proportional hazard regression models were used to calculate hazard ratios (HRs) and 95% confidence intervals for the association between post-diagnostic statin use and all-cause or cancer-specific mortality...
April 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28405173/confounding-in-observational-studies-based-on-large-health-care-databases-problems-and-potential-solutions-a-primer-for-the-clinician
#15
Mette Nørgaard, Vera Ehrenstein, Jan P Vandenbroucke
Population-based health care databases are a valuable tool for observational studies as they reflect daily medical practice for large and representative populations. A constant challenge in observational designs is, however, to rule out confounding, and the value of these databases for a given study question accordingly depends on completeness and validity of the information on confounding factors. In this article, we describe the types of potential confounding factors typically lacking in large health care databases and suggest strategies for confounding control when data on important confounders are unavailable...
2017: Clinical Epidemiology
https://www.readbyqxmd.com/read/28402064/use-of-psychotropic-medications-and-visits-to-psychiatrists-and-psychologists-among-individuals-with-nonsyndromic-oral-clefts-a-population-based-cohort-study
#16
Dorthe Almind Pedersen, Ida Hageman, George L Wehby, Kaare Christensen
BACKGROUND: Oral clefts (OCs) are among the most common congenital malformations and can have a large impact on the life of the affected individual. Research findings regarding the psychological and psychosocial consequences of OC are inconclusive. METHODS: Using Danish nationwide registers, we investigated redeemed prescriptions of psychotropic medication during 1996 to 2012 and visits to psychiatrists and psychologists during 1996 to 2011 among individuals born with nonsyndromic OC in Denmark between 1936 and 2009 and a comparison cohort of individuals without OC...
April 12, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28398707/fetal-exposure-to-montelukast-and-congenital-anomalies-a-population-based-study-in-denmark
#17
Clara Cavero-Carbonell, Anne Vinkel-Hansen, Mª José Rabanque-Hernández, Carmen Martos, Ester Garne
BACKGROUND: The objective was to study pregnancy outcomes between groups of Danish women, with pregnancy ending between 1998 and 2009, according to their exposure to montelukast. METHODS: Cross-sectional observational study in Danish women, selecting live births and stillbirths (Birth Registry) and spontaneous abortions and induced terminations (Patient Registry). Montelukast exposure was obtained from the Prescription Registry (ATC code R03DC03). Exposure period was from 3 months before the last menstrual period until the end of the first trimester...
April 3, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28392292/assessment-of-major-comorbidities-in-adults-with-atopic-dermatitis-using-the-charlson-comorbidity-index
#18
Jacob P Thyssen, Lone Skov, Carsten R Hamann, Gunnar H Gislason, Alexander Egeberg
BACKGROUND: There is a growing interest in comorbidities of adults with atopic dermatitis (AD). OBJECTIVES: To examine the burden of comorbidities in adult patients with AD using the Charlson comorbidity index (CCI) in nationwide registries. METHODS: All Danish patients ≥18 years on January 1, 2012 with AD diagnosed by a hospital dermatologist were included. Patients were age-and sex-matched in a 1:4 ratio with general population controls...
April 6, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28389225/prognosis-of-asymptomatic-and-symptomatic-undiagnosed-copd-in-the-general-population-in-denmark-a-prospective-cohort-study
#19
Yunus Çolak, Shoaib Afzal, Børge G Nordestgaard, Jørgen Vestbo, Peter Lange
BACKGROUND: COPD can be diagnosed early using spirometry, but spirometry use is only recommended in symptomatic smokers, even though early stages of COPD can be asymptomatic. We investigated the prognosis of individuals with asymptomatic and symptomatic, undiagnosed COPD in the general population in Denmark. METHODS: In this prospective cohort study, we analysed data from 95 288 individuals aged 20-100 years from the Copenhagen General Population Study. 32 518 (34%) of these individuals were regarded as being at high risk for COPD (defined as individuals aged 40 years or older, with cumulative tobacco consumption of ten pack-years or higher, and without self-reported or a previous hospital contact for asthma)...
April 4, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/28386993/nickel-allergy-in-a-danish-population-25%C3%A2-years-after-the-first-nickel-regulation
#20
Malin G Ahlström, Torkil Menné, Jacob P Thyssen, Jeanne D Johansen
BACKGROUND: Nickel in metallic items has been regulated in Denmark since 1990; however, 10% of young Danish women are still sensitized to nickel. There is a need for continuous surveillance of the effect of regulation. OBJECTIVES: To identify current self-reported metallic exposures leading to dermatitis in nickel-allergic patients, and the minimum contact time needed for dermatitis to occur. METHODS: A questionnaire was sent to all patients who reacted positively to nickel sulfate 5% pet...
April 7, 2017: Contact Dermatitis
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