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1.
Clin Epidemiol ; 8: 697-702, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-27843349

RESUMEN

AIM OF DATABASE: The aim of the Danish Stroke Registry is to monitor and improve the quality of care among all patients with acute stroke and transient ischemic attack (TIA) treated at Danish hospitals. STUDY POPULATION: All patients with acute stroke (from 2003) or TIA (from 2013) treated at Danish hospitals. Reporting is mandatory by law for all hospital departments treating these patients. The registry included >130,000 events by the end of 2014, including 10,822 strokes and 4,227 TIAs registered in 2014. MAIN VARIABLES: The registry holds prospectively collected data on key processes of care, mainly covering the early phase after stroke, including data on time of delivery of the processes and the eligibility of the individual patients for each process. The data are used for assessing 18 process indicators reflecting recommendations in the national clinical guidelines for patients with acute stroke and TIA. Patient outcomes are currently monitored using 30-day mortality, unplanned readmission, and for patients receiving revascularization therapy, also functional level at 3 months poststroke. DESCRIPTIVE DATA: Sociodemographic, clinical, and lifestyle factors with potential prognostic impact are registered. CONCLUSION: The Danish Stroke Registry is a well-established clinical registry which plays a key role for monitoring and improving stroke and TIA care in Denmark. In addition, the registry is increasingly used for research.

2.
Am J Ther ; 21(2): 73-80, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-23011170

RESUMEN

Corticosteroids are commonly used to treat inflammatory diseases. There is conflicting evidence regarding the association of corticosteroid use in pregnancy and congenital malformations in offspring. We conducted a prevalence study of 83,043 primiparous women who gave birth to a live-born singleton in northern Denmark, in 1999-2009. Through medical registries, we identified prescriptions for corticosteroids, congenital malformations, and covariates. Furthermore, we summarized the literature on this topic. Overall, 1449 women (1.7%) used inhaled or oral corticosteroids from 30 days before conception throughout the first trimester. Oral cleft in the offspring was recorded for 1 of the users (0.08%) and 145 of the nonusers (0.2%), prevalence odds ratio (OR) 0.47 [95% confidence interval (CI), 0.07-3.34]. The prevalence OR for congenital malformations overall was 1.02 (95% CI, 0.79-1.32). According to published studies, the use of corticosteroids in early pregnancy was associated with congenital malformations overall with relative estimates ranging from 0.8 (95% CI, 0.4-1.7) to 2.1 (95% CI, 0.5-9.6). For oral clefts, the ORs ranged from 0.6 (95% CI, 0.2-1.7) to 5.2 (95% CI, 1.5-17.1). We found no evidence of an association between use of corticosteroids in early pregnancy and risk of congenital malformations in offspring.


Asunto(s)
Anomalías Inducidas por Medicamentos/epidemiología , Labio Leporino/epidemiología , Fisura del Paladar/epidemiología , Glucocorticoides/administración & dosificación , Dinamarca/epidemiología , Femenino , Glucocorticoides/efectos adversos , Humanos , Recién Nacido , Embarazo , Primer Trimestre del Embarazo , Prevalencia , Sistema de Registros , Riesgo
3.
Stroke ; 44(3): 686-90, 2013 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-23422089

RESUMEN

BACKGROUND AND PURPOSE: Guidelines recommend carotid endarterectomy (CEA) within 2 weeks from an ischemic event. However, previous studies have shown that only a minority of patients undergo CEA within this period. The aim of this study was to examine the effect of a multidisciplinary nationwide initiative aimed at reducing time to CEA after acute ischemic stroke. METHODS: We examined a historic population-based observational cohort based on individual patient-level records from the Danish Stroke Registry and the Danish Vascular Registry. The implementation of early ultrasound examination of the carotids (within 4 days from admission) in medical departments coupled with fast CEA after referral to a department of vascular surgery were monitored and audited systematically from 2008 and onward. RESULTS: A total of 813 acute ischemic stroke patients underwent CEA during 2007-2010. The percentage of patients undergoing CEA within 2 weeks increased from 13% in 2007 to 47% in 2010 (adjusted odds ratio, 5.8 [95% CI, 3.4-10.1]). The overall median time decreased from 31 days to 16 days. The percentage of relevant acute ischemic stroke patients receiving early ultrasound examination of the carotids increased from 41% in 2008 to 72% in 2010. The time from referral to operation at a vascular department was reduced by ≈40%. CONCLUSIONS: Establishing time limits of 4 days to ultrasound examination of the carotids and of 2 weeks to CEA from onset of stroke followed by a systematic multidisciplinary monitoring and auditing of processes was associated with a substantial increase in the proportion of acute ischemic stroke patients who undergo CEA within 2 weeks in Denmark.


Asunto(s)
Arterias Carótidas/diagnóstico por imagen , Endarterectomía Carotidea , Accidente Cerebrovascular/cirugía , Anciano , Estudios de Cohortes , Dinamarca , Femenino , Humanos , Masculino , Sistema de Registros , Estudios Retrospectivos , Factores de Tiempo , Resultado del Tratamiento , Ultrasonografía
4.
Arch Dis Child Fetal Neonatal Ed ; 97(6): F417-22, 2012 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-22415393

RESUMEN

OBJECTIVES: To identify infant, obstetrical and maternal characteristics associated with arterial ischaemic stroke (AIS) and venous thromboembolism (VTE) in infancy (<1 year). DESIGN: Nationwide, population-based nested case-control study. All infants with a verified first-time diagnosis of AIS, VTE or both in Denmark through the years 1994-2006 were included, and 10 population controls were selected for each case. RESULTS: Case-infants presented with AIS (n=71) or VTE (n=38). AIS in infancy was associated with primiparity (adjusted OR 5.9 CI 95% 3.0 to 11.6)), delivery by an emergency caesarean section (adjusted OR 1.9 (CI 95% 1.0 to 3.3)), and post-term birth (adjusted OR 2.2 (CI 95% 1.1 to 4.8)). Male sex was associated with an increased risk of AIS among neonates (crude OR 1.8 (CI 95% 1.0 to 3.4)) but not among later born (crude OR 0.6 (CI 95% 0.2 to 1.4)). Risk factors for VTE in infancy included preterm birth (adjusted OR 5.5 (CI 95% 1.8 to 16.9)), low Apgar score (adjusted OR 9.2 (CI 95% 1.9 to 45.2)), and multiple births (adjusted OR 7.1 (CI 95% 1.1 to 48.1)). Previous maternal thromboembolism and pregnancy-related disorders were not associated with the risk of thromboembolism in the children. CONCLUSION: Several apparently independent infant, obstetrical and maternal characteristics were associated with thromboembolism in early life.


Asunto(s)
Accidente Cerebrovascular/epidemiología , Tromboembolia/epidemiología , Estudios de Casos y Controles , Parto Obstétrico , Dinamarca/epidemiología , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Obstetricia , Embarazo , Factores de Riesgo , Accidente Cerebrovascular/etiología , Tromboembolia/etiología
5.
Clin Epidemiol ; 3: 149-56, 2011.
Artículo en Inglés | MEDLINE | ID: mdl-21607016

RESUMEN

PURPOSE: To describe patterns of prescribed drug use over time among primiparous women in Denmark. METHODS: Through the Danish Medical Birth Registry, we identified all primiparous women giving live birth or stillbirth at ≥ 22 gestational weeks in northern Denmark, from 1999 to 2009. From the Aarhus University Prescription Database we obtained information on the women's prescriptions for reimbursed drugs filled from 30 days before conception until delivery. RESULTS: Among 85,710 primiparous women, 47,982 (56.0%) redeemed at least one prescription from 30 days before conception until delivery. Women aged 35 years and older had the highest overall prevalence of prescription drug use (61.1%). Age-standardized prevalence of drug use was 54.7% in 1999 and 61.2% in 2009, prevalence ratio (PR) of 1.13 (95% confidence interval 1.10; 1.16), adjusted for age and smoking. CONCLUSION: Over the 11-year period from 1999 to 2009, we found a modest increase in overall use of drugs by primiparous women in Denmark. This increase was not, however, explained by an increasing proportion of older first-time mothers. We noted changes in patterns of use of anti-infective drugs and antidepressants.

6.
Eur J Obstet Gynecol Reprod Biol ; 128(1-2): 113-8, 2006.
Artículo en Inglés | MEDLINE | ID: mdl-16337329

RESUMEN

OBJECTIVE: To examine serum relaxin as a predictor of spontaneous preterm delivery. STUDY DESIGN: A prospective study of 2846 women with singleton pregnancies, from which a matched case-control study (84 cases of spontaneous preterm delivery before 37 weeks gestation and 175 controls) and a cohort (84 preterm and 399 term deliveries) were extracted. RESULTS: In the women with a subsequent preterm delivery the relaxin level decreased by 0.9% per week as compared to 1.9% per week (t-test, p=0.004) in the women with term deliveries. From the cohort the course of S-relaxin during pregnancy in both preterm and term deliveries were fitted and graphed. S-relaxin level was raised in women who were hormonally stimulated to obtain pregnancy (p=0.0001), and lower in women with pre-pregnancy overweight (BMI> or =25, p=0.01) as well as in women, who had previously been pregnant (p=0.008). A longitudinal adjusted model for the prediction of preterm delivery based on the change in S-relaxin was established. CONCLUSIONS: S-relaxin levels decrease less rapidly in women who subsequently deliver preterm; this results in elevated S-relaxin levels in the second and the third trimesters.


Asunto(s)
Modelos Teóricos , Nacimiento Prematuro/sangre , Relaxina/sangre , Adulto , Estudios de Casos y Controles , Femenino , Edad Gestacional , Humanos , Valor Predictivo de las Pruebas , Embarazo , Trimestres del Embarazo , Estudios Prospectivos , Factores de Riesgo
7.
Diabetes Care ; 27(5): 1143-7, 2004 May.
Artículo en Inglés | MEDLINE | ID: mdl-15111535

RESUMEN

OBJECTIVE: We conducted this population-based case-control study to examine whether diabetes is associated with an increased risk of community-acquired pneumococcal bacteremia. RESEARCH DESIGN AND METHODS: We included 598 cases in the North Jutland County Bacteremia Registry, Denmark, with residence in the county and a first hospitalization for community-acquired pneumococcal bacteremia from 1992 through 2001. Ten sex- and age-matched population control subjects per case were selected, using a unique personal identifier. Diabetes was determined by record linkage with the County Prescription Database (for prescriptions for antidiabetic drugs) and the Hospital Discharge Registry (for previous hospitalizations with diabetes or diabetic complications). We performed conditional logistic regression to estimate odds ratios (ORs) for pneumococcal bacteremia among diabetic and nondiabetic persons, with adjustment for a range of comorbid diseases considered to be risk factors for pneumococcal infection. RESULTS: The crude OR for pneumococcal bacteremia in persons with diabetes was 1.9 (95% CI 1.4-2.6). After adjustment for comorbidity, the OR decreased to 1.5 (95% CI 1.1-2.0). The impact of diabetes on the risk for pneumococcal bacteremia was most pronounced in adults aged 40 years and younger (adjusted OR 4.2, 95% CI 1.1-16.7) and in persons without any other coexisting morbidity (adjusted OR 2.3, 95% CI 1.3-3.9). Under the assumptions that the association was causal and that there is a 5% overall prevalence of diabetes in our study population, 24 of 1,000 admissions with incident pneumococcal bacteremia may be attributed to diabetes. CONCLUSIONS: Diabetes seems to be a risk factor for community-acquired pneumococcal bacteremia.


Asunto(s)
Bacteriemia/epidemiología , Infecciones Comunitarias Adquiridas/epidemiología , Diabetes Mellitus/epidemiología , Infecciones Neumocócicas/epidemiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Alcoholismo/epidemiología , Estudios de Casos y Controles , Comorbilidad , Dinamarca/epidemiología , Femenino , Humanos , Incidencia , Masculino , Persona de Mediana Edad , Valores de Referencia , Sistema de Registros , Análisis de Regresión , Factores de Riesgo
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