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Danish national registry

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https://www.readbyqxmd.com/read/28077059/ignorance-is-not-bliss-the-effect-of-systematic-information-on-immigrants-knowledge-of-and-satisfaction-with-the-danish-healthcare-system
#1
Signe Smith Jervelund, Thomas Maltesen, Camilla Lawaetz Wimmelmann, Jørgen Holm Petersen, Allan Krasnik
AIMS: Suboptimal healthcare utilisation and lower satisfaction with the patient-doctor encounter among immigrants has been documented. Immigrants' lack of familiarity with the healthcare system has been proposed as an explanation for this. This study investigated whether a systematic delivery of information affected immigrants' knowledge of and satisfaction with the Danish healthcare system. METHODS: A prospective, randomised intervention study of 1158 adult immigrants attending two language schools in Copenhagen was conducted...
January 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28065667/a-large-frontal-qrs-t-angle-is-a-strong-predictor-of-the-long-term-risk-of-myocardial-infarction-and-all-cause-mortality-in-the-diabetic-population
#2
Ole May, Christina Boesgaard Graversen, Mia Østergaard Johansen, Hanne Arildsen
BACKGROUND: A large angle between the QRS vector and the T-wave vector (QRS-T angle) in electrocardiograms (ECGs) has recently been introduced as a marker of poor prognosis. The prognostic value in diabetes is unknown. We assessed the long-term predictive power of the frontal plane QRS-T angle in the diabetic population. METHODS: In 1992-93, the diabetic population of the municipality of Horsens, Denmark, was delineated by the prescription method, and an age- and gender-stratified sample of 240 diabetic persons was randomly selected...
December 16, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28061841/supervised-neuromuscular-exercise-prior-to-hip-and-knee-replacement-12-month-clinical-effect-and-cost-utility-analysis-alongside-a-randomised-controlled-trial
#3
Linda Fernandes, Ewa M Roos, Søren Overgaard, Allan Villadsen, Rikke Søgaard
BACKGROUND: There are indications of beneficial short-term effect of pre-operative exercise in reducing pain and improving activity of daily living after total hip replacement (THR) and total knee replacement (TKR) surgery. Though, information from studies conducting longer follow-ups and economic evaluations of exercise prior to THR and TKR is needed. The aim of the study was to analyse 12-month clinical effect and cost-utility of supervised neuromuscular exercise prior to THR and TKR surgery...
January 6, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28058848/implantable-cardioverter-defibrillator-and-survival-after-out-of-hospital-cardiac-arrest-due-to-acute-myocardial-infarction-in-denmark-in-the-years-2001-2012-a-nationwide-study
#4
Matilde Winther-Jensen, Jesper Kjaergaard, Jens F Lassen, Lars Køber, Christian Torp-Pedersen, Steen M Hansen, Freddy Lippert, Kristian Kragholm, Erika F Christensen, Christian Hassager
AIM: The purpose of this study was to describe the implantation of implantable cardioverter defibrillator after out-of-hospital cardiac arrest caused by myocardial infarction in Denmark 2001-2012 and subsequent survival. METHODS: The Danish Cardiac Arrest Registry was used to identify patients ⩾18 years surviving to discharge without prior implantable cardioverter defibrillator. Information on cardioverter defibrillator implantation was obtained from the National Patient Registry...
January 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28057876/academic-performance-in-adolescents-born-after-art-a-nationwide-registry-based-cohort-study
#5
A L Spangmose, S S Malchau, L Schmidt, D Vassard, S Rasmussen, A Loft, J Forman, A Pinborg
STUDY QUESTION: Is academic performance in adolescents aged 15-16 years and conceived after ART, measured as test scores in ninth grade, comparable to that for spontaneously conceived (SC) adolescents? SUMMARY ANSWER: ART singletons had a significantly lower mean test score in the adjusted analysis when compared with SC singletons, yet the differences were small and probably not of clinical relevance. WHAT IS KNOWN ALREADY: Previous studies have shown similar intelligence quotient (IQ) levels in ART and SC children, but only a few have been on adolescents...
January 5, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28053876/rna-sequencing-of-archived-neonatal-dried-blood-spots
#6
Jonas Bybjerg-Grauholm, Christian Munch Hagen, Sok Kean Khoo, Maria Louise Johannesen, Christine Søholm Hansen, Marie Bækvad-Hansen, Michael Christiansen, David Michael Hougaard, Mads V Hollegaard
Neonatal dried blood spots (DBS) are routinely collected on standard Guthrie cards for all-comprising national newborn screening programs for inborn errors of metabolism, hypothyroidism and other diseases. In Denmark, the Guthrie cards are stored at - 20 °C in the Danish Neonatal Screening Biobank and each sample is linked to elaborate social and medical registries. This provides a unique biospecimen repository to enable large population research at a perinatal level. Here, we demonstrate the feasibility to obtain gene expression data from DBS using next-generation RNA sequencing (RNA-seq)...
March 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28040735/high-prevalence-of-poor-fitness-among-danish-adults-especially-among-those-with-high-cardiovascular-mortality-risk
#7
Kirsten Høj, Mette Vinther Skriver, Helle Terkildsen Maindal, Bo Christensen, Annelli Sandbæk
BACKGROUND: Poor cardiorespiratory fitness (CRF) is an independent predictor of cardiovascular and all-cause mortality. Yet, our knowledge about the prevalence of poor CRF is limited. We investigated the prevalence of poor CRF among middle-aged Danish adults from a community-based health promotion program, including identification of a subgroup with high cardiovascular mortality risk. METHODS: This cross-sectional study included 2,253 middle-aged adults, who completed a preventive health check including CRF testing...
December 31, 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/28040641/psychopharmacological-drug-utilization-patterns-in-pregnant-women-with-bipolar-disorder-a-nationwide-register-based-study
#8
S C Broeks, H Thisted Horsdal, K Glejsted Ingstrup, C Gasse
BACKGROUND: Bipolar disorder is often associated with a lifetime indication for treatment with psychotropic drugs, thus pregnant women face the dilemma whether to continue treatment or not. This study describes the psychopharmacological drug utilization patterns among women with bipolar disorder from 12 months preconception to 12 months postpartum. METHODS: We conducted a register-based cohort study among all Danish women aged 15-55 with a diagnosis of bipolar disorder, who gave birth to their first and singleton child between January 1997 and December 2012...
December 8, 2016: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28038391/morbidity-and-mortality-of-childhood-and-adolescent-onset-epilepsy-a-controlled-national-study
#9
Poul Jennum, Line Pickering, Jakob Christensen, Rikke Ibsen, Jakob Kjellberg
PURPOSE: Epilepsy is associated with significant morbidities and mortality. We aimed to evaluate the 30-year morbidities and mortality in a national group of patients after a first diagnosis of epilepsy. METHODS: From the Danish National Patient Registry (NPR), in total, 3123 patients with epilepsy aged 0-5years and 5018 patients aged 6-20years diagnosed in 1998-2002 were identified and compared with, respectively, 6246 and 10,036 persons matched for age, gender, and place of living with randomly chosen citizens from the Danish Civil Registration System Statistics...
December 27, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28009624/time-trends-and-variations-in-electroconvulsive-treatment-in-denmark-2008-to-2014-a-nationwide-register-based-study
#10
Eva Hundrup, Merete Osler, Martin Balslev Jørgensen
OBJECTIVE: The aim of this study was to determine status and variations in the practice of electroconvulsive treatment (ECT) in Denmark in patient characteristics, indications, treatment patterns, and hospital region. METHOD: All 140,627 ECTs registered in the Danish National Patient Registry between 2008 and 2014 were retrieved together with information on patient characteristics. Annual treated person rates were calculated for sex, age, admission diagnosis, and region...
December 21, 2016: Journal of ECT
https://www.readbyqxmd.com/read/28005152/incidence-of-sialolithiasis-in-denmark-a-nationwide-population-based-register-study
#11
Stine Attrup Schrøder, Mikael Andersson, Jan Wohlfahrt, Niels Wagner, Allan Bardow, Preben Homøe
Sialolithiasis is a frequent disorder affecting the salivary glands. The incidence rate (IR) has been reported to be 2.9-5.5 per 100,000 person-years, but all previous studies have been based on selected hospital data. In this study, we conducted a population-based study evaluating the IR of sialolithiasis and the IR variation according to age, gender and geography in Denmark. We included data from hospitals as well as from private ear, nose and throat (ENT) clinics. The study was based on registry data on all sialolithiasis cases in Denmark between 2003 and 2009 extracted from the Danish National Patient Registry (hospital cohort) and the Danish Regions Centre for Healthcare Statistics (private ENT clinic cohort)...
December 22, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28004434/mortality-and-morbidity-in-offspring-of-mothers-with-diabetes-compared-with-a-population-group-a-danish-cohort-study-with-8-35-years-of-follow-up
#12
G L Nielsen, L Welinder, M Berg Johansen
AIMS: To assess mortality and morbidity in the offspring of mothers with diabetes compared with a control cohort of offspring of mothers without diabetes. METHODS: The mortality rate, percentage of days admitted to hospital, diagnostic categories and incidence of diabetes mellitus among 691 offspring of mothers with diabetes were compared with a control group of 168 831 offspring not exposed to diabetes. Offspring of mothers with diabetes were identified from the North Jutland Pregnancy database (521 Type 1; 34 Type 2; 136 gestational diabetes) born between 1976 and 2003...
December 22, 2016: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28002557/reoperation-rates-in-ductal-carcinoma-in-situ-vs-invasive-breast-cancer-after-wire-guided-breast-conserving-surgery
#13
Linnea Langhans, Maj-Britt Jensen, Maj-Lis M Talman, Ilse Vejborg, Niels Kroman, Tove F Tvedskov
Importance: New techniques for preoperative localization of nonpalpable breast lesions may decrease the reoperation rate in breast-conserving surgery (BCS) compared with rates after surgery with the standard wire-guided localization. However, a valid reoperation rate for this procedure needs to be established for comparison, as previous studies on this procedure include a variety of malignant and benign breast lesions. Objectives: To determine the reoperation rate after wire-guided BCS in patients with histologically verified nonpalpable invasive breast cancer (IBC) or ductal carcinoma in situ (DCIS) and to examine whether the risk of reoperation is associated with DCIS or histologic type of the IBC...
December 21, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27993584/functional-independence-a-comparison-of-the-changes-during-neurorehabilitation-between-patients-with-non-traumatic-subarachnoid-hemorrhage-and-intracerebral-hemorrhage-or-acute-ischemic-stroke
#14
Henriette Holm Stabel, Asger Roer Pedersen, Søren Paaske Johnsen, Jørgen Feldbæk Nielsen
OBJECTIVE: To compare the changes in functional independence measured by the Functional Independence Measure (FIM) after specialized neurorehabilitation between patients with non-traumatic subarachnoid hemorrhage (SAH) and intracerebral hemorrhage or acute ischemic stroke (ICH/AIS). DESIGN: Historical cohort study comparing changes in functional independence between patients with SAH and ICH/AIS, using FIM scores from a local database, and clinical information from the Danish National Patient Registry...
December 16, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27984421/cancer-incidence-in-workers-exposed-to-styrene-in-the-danish-reinforced-plastics-industry-1968-2012
#15
Mette Skovgaard Christensen, Johnni Hansen, Cecilia Høst Ramlau-Hansen, Gunnar Toft, Henrik Kolstad
BACKGROUND: Occupational exposure to styrene is widespread and has been suggested to be carcinogenic. The aim of this study was to investigate whether occupational exposure to styrene increases the risk of cancer, in particular lymphohematopoietic cancers. METHODS: We established a study population of 72,292 workers employed in 443 small and medium-sized companies producing reinforced plastics 1964-2007 by utilizing several national registries, expert assessment, and worker survey data...
December 12, 2016: Epidemiology
https://www.readbyqxmd.com/read/27978946/risk-associated-with-surgery-within%C3%A2-12%C3%A2-months-after-coronary-drug-eluting-stent%C3%A2-implantation
#16
Gro Egholm, Steen Dalby Kristensen, Troels Thim, Kevin K W Olesen, Morten Madsen, Svend E Jensen, Lisette O Jensen, Henrik T Sørensen, Hans E Bøtker, Michael Maeng
BACKGROUND: Guidelines recommend postponing surgery for at least 6 months after treatment with a drug-eluting stent by percutaneous coronary intervention (DES-PCI). OBJECTIVES: The goal of this study was to evaluate the surgical risk associated with DES-PCI compared with that in nonstented patients without ischemic heart disease (IHD). METHODS: Between 2005 and 2012, a total of 22,590 patients underwent DES-PCI in western Denmark. By record-linking the Western Denmark Heart Registry and the Danish National Patient Register, we evaluated 4,303 DES-PCI-treated patients with a surgical procedure and compared them with a control group of patients without previous IHD undergoing similar surgical procedures (n = 20,232)...
December 20, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27940630/positive-predictive-value-of-cardiac-examination-procedure-and-surgery-codes-in-the-danish-national-patient-registry-a-population-based-validation-study
#17
Kasper Adelborg, Jens Sundbøll, Troels Munch, Trine Frøslev, Henrik Toft Sørensen, Hans Erik Bøtker, Morten Schmidt
OBJECTIVE: Danish medical registries are widely used for cardiovascular research, but little is known about the data quality of cardiac interventions. We computed positive predictive values (PPVs) of codes for cardiac examinations, procedures and surgeries registered in the Danish National Patient Registry during 2010-2012. DESIGN: Population-based validation study. SETTING: We randomly sampled patients from 1 university hospital and 2 regional hospitals in the Central Denmark Region...
December 9, 2016: BMJ Open
https://www.readbyqxmd.com/read/27938867/has-perinatal-outcome-improved-after-introduction-of-a-guideline-in-favour-of-routine-induction-and-increased-surveillance-prior-to-42-weeks-of-gestation-a-cross-sectional-population-based-registry-study
#18
Sanne Lausen Wolff, Iben Lorentzen, Agnete Pers Kaltoft, Heidi Schmidt, Monique Mensink Jeppesen, Rikke Damkjær Maimburg
OBJECTIVE: To investigate whether new national guidelines of routine induction of labour and increased surveillance in low risk pregnancies at 41(+2-5) weeks of gestation as an alternative to expectant management until 42(+0) weeks of gestation has improved perinatal outcome. METHODS: A questionnaire-based study regarding local induction practices among all Danish delivery units and a cross-sectional population-based registry study based on data from the Danish Medical Birth Registry (DMBR) in the years 2009-2012...
December 2016: Sexual & Reproductive Healthcare: Official Journal of the Swedish Association of Midwives
https://www.readbyqxmd.com/read/27920579/validation-of-diagnostic-codes-for-charcot-marie-tooth-disease-in-the-danish-national-patient-registry
#19
Signe Vaeth, Uffe Birk Jensen, Rikke Christensen, Henning Andersen
PURPOSE: To validate the diagnostic codes for Charcot-Marie-Tooth disease (CMT) in the Danish National Patient Registry (DNPR) using positive predictive value (PPV) as a measure of validity. PATIENTS AND METHODS: We used the DNPR to identify all patients diagnosed with at least one primary CMT diagnosis at a specialized department in the Central Denmark Region during the period 1977-2012. From this population, we randomly selected 123 patients for the validation study...
2016: Clinical Epidemiology
https://www.readbyqxmd.com/read/27920127/antihypertensive-medication-postpones-the-onset-of-glaucoma-evidence-from-a-nationwide-study
#20
Anna Horwitz, Marc Klemp, Jørgen Jeppesen, James C Tsai, Christian Torp-Pedersen, Miriam Kolko
The aim was to investigate the impact of antihypertensive medication on the onset of glaucoma. Data from the complete Danish population between 40 and 95 years of age were used in the period from 1996 to 2012, covering >2.6 million individuals. The National Danish Registry of Medicinal Products Statistics was used to identify all claimed prescriptions for glaucoma medication and antihypertensive drugs. We first investigated basic correlations in the data and found that patients treated with antihypertensive medication, at any time during the study period, had a significantly higher overall relative risk (RR) of glaucoma, even when controlling for age and sex (with a RR of 1...
December 5, 2016: Hypertension
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