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| 2. |
- Granlund, Margareta, et al.
(författare)
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Antimicrobial resistance in colonizing group B Streptococci before the implementation of a Swedish intrapartum antibiotic prophylaxis program.
- 2010
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Ingår i: European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology. - : Springer Science and Business Media LLC. - 1435-4373 .- 0934-9723. ; 29:10, s. 1195-201
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Tidskriftsartikel (refereegranskat)abstract
- The prevalence of antibiotic resistance and their genetic determinants in colonizing group B streptococci (GBS) sampled in a Swedish nationwide survey was examined. In five GBS isolates (1.3%), kanamycin/amikacin resistance and the presence of the aphA-3 gene was identified. Three of these isolates carried the aad-6 gene and were streptomycin-resistant. Screening with kanamycin and streptomycin 1,000-μg disks enabled a rapid and easy detection of these isolates. In all, 312/396 (79%) GBS were tetracycline-resistant and 95% of the examined isolates harbored the tetM gene. Among the 22 (5.5%) GBS resistant to erythromycin and/or clindamycin, the ermB gene was detected in nine isolates (41%) and erm(A/TR) in ten isolates (45%). A high level of erythromycin and clindamycin resistance with minimum inhibitory concentrations (MICs) >256mg/L was found in four serotype V isolates that harbored ermB. The erythromycin/clindamycin resistance was distributed among all of the common serotypes Ia, Ib, II, III, IV, and V, but was not present in any of the 44 serotype III isolates associated to clonal complex 17. Screening for penicillin resistance with 1-μg oxacillin disks showed a homogenous population with a mean inhibition zone of 20mm. A change in the present oxacillin breakpoints for GBS is suggested.
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| 3. |
- Hagman, Anna, et al.
(författare)
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Women who gave birth to girls with Turner syndrome: maternal and neonatal characteristics.
- 2010
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Ingår i: Human reproduction (Oxford, England). - : Oxford University Press (OUP). - 1460-2350 .- 0268-1161. ; 25:6, s. 1553-60
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: The aim was to identify maternal risk factors in women giving birth to girls with Turner syndrome (TS) and to describe the characteristics of newborns with TS. METHODS: The Swedish Genetic Turner Register was cross-linked with the Swedish Medical Birth Register. Between 1973 and 2005, 494 children with TS were born. Maternal age, parity, height, smoking habits and neonatal characteristics; mode of delivery, gestational age, size at birth and Apgar score, were compared with women in the general population who gave birth to girls during the same period. RESULTS: More women with advanced maternal age (40+) delivered girls with TS, 3.2% when compared with 1.8% in the general population [OR 1.83, 95% confidence interval (CI) 1.09-3.08, after adjustment for year of birth]. Maternal height was inversely associated with TS pregnancies (P = 0.005). Late preterm birth occurred in newborns with TS in 10.5% when compared with 4.8% in the general population (OR 2.23; 95% CI: 1.67-2.97, after adjustment for year of birth and maternal age). Newborns with TS had birthweight less than -2SD in 17.8% and birth length less than -2SD in 21.0% when compared with 3.5 and 3.4%, in the general population (OR 6.55; 95% CI: 5.12-8.38 and OR 8.69; 95% CI: 6.89-10.97, after adjustment for year of birth and maternal age). CONCLUSION: Advanced maternal age and short stature were risk factors for giving birth to a girl with TS. More TS girls were born late preterm and were smaller for gestational age than non-TS girls in the general population.
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- Austeng, Dordi, et al.
(författare)
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Incidence of and risk factors for neonatal morbidity after active perinatal care : extremely preterm infants study in Sweden (EXPRESS)
- 2010
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Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 99:7, s. 978-992
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Tidskriftsartikel (refereegranskat)abstract
- Aims: The aim of this study was to determine the incidence of neonatal morbidity in extremely preterm infants and to identify associated risk factors. Methods: Population based study of infants born before 27 gestational weeks and admitted for neonatal intensive care in Sweden during 2004-2007. Results: Of 638 admitted infants, 141 died. Among these, life support was withdrawn in 55 infants because of anticipation of poor long-term outcome. Of 497 surviving infants, 10% developed severe intraventricular haemorrhage (IVH), 5.7% cystic periventricular leucomalacia (cPVL), 41% septicaemia and 5.8% necrotizing enterocolitis (NEC); 61% had patent ductus arteriosus (PDA) and 34% developed retinopathy of prematurity (ROP) stage >= 3. Eighty-five per cent needed mechanical ventilation and 25% developed severe bronchopulmonary dysplasia (BPD). Forty-seven per cent survived to one year of age without any severe IVH, cPVL, severe ROP, severe BPD or NEC. Tocolysis increased and prolonged mechanical ventilation decreased the chances of survival without these morbidities. Maternal smoking and higher gestational duration were associated with lower risk of severe ROP, whereas PDA and poor growth increased this risk. Conclusion: Half of the infants surviving extremely preterm birth suffered from severe neonatal morbidities. Studies on how to reduce these morbidities and on the long-term health of survivors are warranted.
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| 5. |
- Austeng, Dordi, et al.
(författare)
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Natural history of retinopathy of prematurity in infants born before 27 weeks' gestation in Sweden
- 2010
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Ingår i: Archives of ophthalmology (1960). - : American Medical Association. - 0003-9950. ; 128:10, s. 1289-1294
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate the natural history of retinopathy of prematurity (ROP) in 506 extremely preterm infants born before 27 weeks' gestation in Sweden during a 3-year period. Methods: A national population–based study was performed in Sweden from April 1, 2004, to March 31, 2007. According to the study protocol, initial eye examinations were to be performed at postnatal week 5, and examinations were repeated until the retina was completely vascularized or until criteria for treatment were met. The examinations were to be performed weekly, enabling study of the course and severity of ROP. In infants without ROP or with mild ROP without progression during the latest examinations, further examinations were performed weekly or every other week from postmenstrual age 35 weeks. Results: During the study, 368 infants (72.7%) developed ROP. Postmenstrual age at onset of ROP was significantly related to severity of ROP, even when controlling for gestational age (ie, the earlier the onset of ROP, the higher the risk of developing severe ROP). Site of onset of ROP was significantly related to gestational age at birth. The risk of nasal onset was almost doubled for every week of decrease in gestational age at birth. Nasal onset was associated with severe ROP, even after adjusting for gestational age at birth. Conclusion: This population-based study confirms results of the Cryotherapy for Retinopathy of Prematurity study and shows new correlations regarding time and site of onset of ROP, both of which are associated with disease severity.
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| 6. |
- Austeng, Dordi, et al.
(författare)
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Regional differences in screening for retinopathy of prematurity in infants born before 27 weeks of gestation in Sweden : the EXPRESS study
- 2014
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Ingår i: Acta Ophthalmologica. - : Wiley-Blackwell. - 1755-375X .- 1755-3768. ; 92:4, s. 311-315
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The primary aim was to analyse regional incidences of retinopathy of prematurity (ROP) and frequencies of treatment and their relation to perinatal risk factors during a 3-year period. A secondary aim was to study adherence to the study screening protocol in the different regions.Methods: A population-based study of neonatal morbidity in extremely preterm infants in Sweden (EXPRESS) was performed during 2004-2007. Screening for ROP was to start at postnatal age 5weeks and to continue weekly until the retina was completely vascularized or until regression of ROP. Logistic regression analyses were used for evaluation of differences in incidence of Any ROP, ROP 3 or more and ROP Type 1 between the seven regions of the country.Results: The regional incidence of ROP varied between 54% and 92% for Any ROP, between 25% and 43% for ROP stage 3 or more and between 8% and 23% of infants with ROP Type 1, all of whom were treated. There was no significant difference between the regions regarding ROP Type 1, even when adjusting for known risk factors for ROP.Conclusion: The heterogeneity between the regions regarding the incidence of ROP was reduced with increasing severity of ROP, and there was no heterogeneity regarding frequency of treatment for ROP, which is the most important issue for the children. We cannot exclude observer bias regarding mild ROP and ROP stage 3 in this study.
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| 8. |
- Bolin, Kristian, et al.
(författare)
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Epilepsy in Sweden: health care costs and loss of productivity-a register-based approach.
- 2012
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Ingår i: European Journal of Health Economics. - : Springer Science and Business Media LLC. - 1618-7601 .- 1618-7598. ; 13:6, s. 819-826
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The objective was to estimate health care costs and productivity losses due to epilepsy in Sweden and to compare these estimates to previously published estimates. METHODS: Register data on health care utilisation, pharmaceutical sales, permanent disability and mortality were used to calculate health care costs and costs that accrue due to productivity losses. By linkage of register information, we were able to distinguish pharmaceuticals prescribed against epilepsy from prescriptions that were prompted by other indications. RESULTS: The estimated total cost of epilepsy in Sweden in 2009 was 441 million, which corresponds to an annual per-patient cost of 8,275. Health care accounted for about 16% of the estimated total cost, and drug costs accounted for about 7% of the total cost. The estimated health care cost corresponded to about 0.2% of the total health care cost in Sweden in 2009. Indirect costs were estimated at 370 million, 84% of which was due to sickness absenteeism. Costs resulting from epilepsy-attributable premature deaths or permanent disability to work accounted for about 1% of the total indirect cost in Sweden in 2009. DISCUSSION: The per-patient cost of epilepsy is substantial. Thus, even though the prevalence of the illness is relatively small, the aggregated cost that epilepsy incurs on society is significant.
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| 9. |
- Holmström, Gerd E, et al.
(författare)
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Ophthalmologic Outcome at 30 Months Corrected Age of a Prospective Swedish Cohort of Children Born Before 27 Weeks of Gestation The Extremely Preterm Infants in Sweden Study
- 2014
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Ingår i: JAMA OPHTHALMOLOGY. - : American Medical Association (AMA). - 2168-6165 .- 2168-6173. ; 132:2, s. 182-189
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Tidskriftsartikel (refereegranskat)abstract
- IMPORTANCE Follow-up at 30 months corrected age reveals eye and visual problems in one-third of children born extremely prematurely (less than27 weeks gestation). OBJECTIVE To investigate the ophthalmologic outcome of extremely preterm children at 30 months corrected age. DESIGN, SETTING, AND PARTICIPANTS A prospective, population-based follow-up study (Extremely Preterm Infants in Sweden Study [EXPRESS]) was conducted in Sweden. The population included extremely preterm infants (less than27 weeks gestation) born in Sweden between 2004 and 2007, of whom 491 survived until age 2.5 years. Screening for retinopathy of prematurity (ROP) was performed in the neonatal period. At 30 months corrected age, an ophthalmologic assessment was performed in 411 of 491 children (83.7%). MAIN OUTCOMES AND MEASURES Visual acuity, manifest strabismus, and refractive errors were evaluated. RESULTS Visual impairment was identified in 3.1% of the children, and 1.0% were blind. Refractive errors, defined as myopia less than -3 diopters (D), hypermetropia greater than +3 D, astigmatism 2 D or more, and/or anisometropia 2 D or more, were found in 25.6% of the children, and 14.1% had manifest strabismus. There were significant associations between visual impairment and treated ROP (P = .02), cognitive disability (P less than .001), and birth weight (P = .02). Multiple regression analyses revealed significant associations between strabismus and treated ROP (P less than .001), cognitive disability (P less than .01), and cerebral palsy (P = .02). Refractive errors were significantly correlated with severity of ROP (right eye, P less than .001; left eye, P less than .01). Children who had been treated for ROP had the highest frequency (69.0%) of eye and visual abnormalities. CONCLUSIONS AND RELEVANCE One-third of the extremely prematurely born children in this study had some kind of eye or visual problems, such as visual impairment, strabismus, or major refractive error. Despite being born extremely preterm, the present cohort has a similar prevalence of blindness and visual impairment as in previous Swedish cohorts of children born less prematurely.
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| 10. |
- Mattsson, Kristina, et al.
(författare)
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Maternal smoking during pregnancy and daughters' risk of gestational diabetes and obesity.
- 2013
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Ingår i: Diabetologia. - : Springer Science and Business Media LLC. - 1432-0428 .- 0012-186X. ; 56:8, s. 1689-1695
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Tidskriftsartikel (refereegranskat)abstract
- AIMS/HYPOTHESIS: The primary aim of the study was to investigate the risk of developing gestational diabetes in women who were exposed to tobacco smoke in utero. Secondary aims were to assess the risk of obesity and non-gestational diabetes. METHODS: Data were retrieved from the Medical Birth Register of Sweden for women who were born in 1982 (when smoking data were first registered) or later and who had given birth to at least one child; 80,189 pregnancies were included. The associations between in utero smoking exposure (three categories: non-smokers, 1-9 cigarettes/day [moderately exposed] and >9 cigarettes/day [heavily exposed]) and subsequent gestational diabetes (n = 291), non-gestational diabetes (n = 280) and obesity (n = 7,300) were assessed. RESULTS: The adjusted ORs (aORs) of gestational diabetes were increased among women who were moderately (1.62, 95% CI 1.24, 2.13) and heavily (1.52, 95% CI 1.12, 2.06) exposed. The corresponding aORs of obesity were 1.36 (95% CI 1.28, 1.44) and 1.58 (95% CI 1.48, 1.68), respectively. A reduced OR for non-gestational diabetes was seen in the offspring of heavy smokers (aOR 0.66, 95% CI 0.45, 0.96). CONCLUSIONS/INTERPRETATION: Women exposed to smoking during fetal life were at higher risk of developing gestational diabetes and obesity.
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