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Sökning: WFRF:(Hek K)

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  • Sundelin, Helene E. K., et al. (författare)
  • Autism and epilepsy : A population-based nationwide cohort study
  • 2016
  • Ingår i: Neurology. - Philadelphia, USA : Lippincott Williams & Wilkins. - 0028-3878 .- 1526-632X. ; 87:2, s. 192-197
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To investigate the risk of autism spectrum disorder (ASD) in individuals with epilepsy and in their first-degree relatives to determine shared etiology.Methods: Through the Swedish Patient Register, we identified 85,201 individuals with epilepsy, as well as all their siblings (n=80,511) and offspring (n=98,534). Each individual with epilepsy was compared with 5 controls, matched for age, sex, calendar period, and county, while siblings and offspring were compared with siblings and offspring of controls. We excluded siblings and offspring with epilepsy. Using Cox regression, we calculated hazard ratios (HRs) for future diagnosis of ASD. Logistic regression was applied to calculate odds ratios (ORs) for prior diagnosis of ASD.Results: During follow-up, 1,381 (1.6%) individuals with epilepsy and 700 (0.2%) controls were diagnosed with ASD. Individuals with epilepsy were therefore at increased risk of future ASD (HR 10.49, 95% confidence interval [CI] 9.55-11.53), with the highest risk seen in individuals diagnosed with epilepsy in childhood. Both siblings (HR 1.62, 95% CI 1.43-1.83) and offspring (HR 1.64, 95% CI 1.46-1.84) of epilepsy patients were at increased risk of ASD. The risk in the offspring was particularly high in mothers with epilepsy (HR 1.91; 95% CI 1.63-2.23). Epilepsy was also associated with a prior diagnosis of ASD (OR 4.56, 95% CI 4.02-5.18).Conclusions: Individuals with epilepsy are at increased risk of ASD, especially if epilepsy appears in childhood. Further, ASD is more common in the siblings and offspring of individuals with epilepsy, suggesting shared etiology.
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  • Sundelin, Heléne, 1965-, et al. (författare)
  • Pregnancy outcome in joint hypermobility syndrome and Ehlers-Danlos syndrome
  • 2017
  • Ingår i: Acta Obstetricia et Gynecologica Scandinavica. - : John Wiley & Sons. - 0001-6349 .- 1600-0412. ; 96:1, s. 114-119
  • Tidskriftsartikel (refereegranskat)abstract
    • INTRODUCTION: An increased risk of preterm birth in women with joint hypermobility syndrome or Ehlers-Danlos syndrome is suspected.MATERIAL AND METHODS: In this nationwide cohort study from 1997 through 2011, women with either joint hypermobility syndrome or Ehlers-Danlos syndrome or both disorders were identified through the Swedish Patient Register, and linked to the Medical Birth Register. Thereby, 314 singleton births to women with joint hypermobility syndrome/Ehlers-Danlos syndrome before delivery were identified. These births were compared with 1 247 864 singleton births to women without a diagnosis of joint hypermobility syndrome/Ehlers-Danlos syndrome. We used logistic regression, adjusted for maternal age, smoking, parity, and year of birth, to calculate adjusted odds ratios for adverse pregnancy outcomes.RESULTS: Maternal joint hypermobility syndrome/Ehlers-Danlos syndrome was not associated with any of our outcomes: preterm birth (adjusted odds ratio = 0.6, 95% confidence interval 0.3-1.2), preterm premature rupture of membranes (adjusted odds ratio = 0.8; 95% confidence interval 0.3-2.2), cesarean section (adjusted odds ratio = 0.9, 95% confidence interval 0.7-1.2), stillbirth (adjusted odds ratio = 1.1, 95% confidence interval 0.2-7.9), low Apgar score (adjusted odds ratio = 1.6, 95% confidence interval 0.7-3.6), small for gestational age (adjusted odds ratio = 0.9, 95% confidence interval 0.4-1.8) or large for gestational age (adjusted odds ratio = 1.2, 95% confidence interval 0.6-2.1). Examining only women with Ehlers-Danlos syndrome (n = 62), we found a higher risk of induction of labor (adjusted odds ratio = 2.6; 95% confidence interval 1.4-4.6) and amniotomy (adjusted odds ratio = 3.8; 95% confidence interval 2.0-7.1). No excess risks for adverse pregnancy outcome were seen in joint hypermobility syndrome.CONCLUSION: Women with joint hypermobility syndrome/Ehlers-Danlos syndrome do not seem to be at increased risk of adverse pregnancy outcome.
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7.
  • Laszkowska, Monika, et al. (författare)
  • Nationwide population-based cohort study of celiac disease and risk of Ehlers-Danlos syndrome and joint hypermobility syndrome
  • 2016
  • Ingår i: Digestive and Liver Disease. - : Elsevier. - 1590-8658 .- 1878-3562. ; 48:9, s. 1030-1034
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Patients with celiac disease (CD) often have articular complaints, and small prior studies suggest an association with Ehlers-Danlos syndrome (EDS)/joint hypermobility syndrome (JHS). Aims: This study examines the risks of EDS/JHS in patients with CD. Methods: This cohort study compared all individuals in Sweden diagnosed with CD based on small intestinal biopsy between 1969-2008 (n = 28,631) to 139,832 matched reference individuals, and to a second reference group undergoing biopsy without having CD (n = 16,104). Rates of EDS/JHS were determined based on diagnostic codes in the Swedish Patient Register. Hazard ratios (HRs) for EDS/JHS were estimated through Cox regression. Results: There are 45 and 148 cases of EDS/JHS in patients with CD and reference individuals, respectively. This corresponds to a 49% increased risk of EDS/JHS in CD (95% CI = 1.07-2.07). The HR for EDS was 2.43 (95% CI = 1.20-4.91) and for JHS 1.34 (95% CI = 0.93-1.95). Compared to reference individuals undergoing intestinal biopsy, CD was not a risk factor for EDS/JHS. A stronger association was seen in patients initially diagnosed with EDS/JHS and subsequently diagnosed with CD (odds ratio = 2.29; 95% CI = 1.21-4.34). Conclusions: Individuals with CD have higher risk of EDS/JHS than the general population, which may be due to surveillance bias or factors intrinsic to celiac development. (C) 2016 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.
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8.
  • Sundelin, Helene E. K., et al. (författare)
  • Epilepsy, antiepileptic drugs, and serious transport accidents : A nationwide cohort study
  • 2018
  • Ingår i: Neurology. - : Lippincott Williams & Wilkins. - 0028-3878 .- 1526-632X. ; 90:13, s. E1111-
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives: To investigate the association between epilepsy and antiepileptic drugs and serious transport accidents requiring emergency care or resulting in death.Methods: We identified 29,220 individuals 18 years or older with epilepsy without cerebral palsy or intellectual disability and 267,637 matched controls using Swedish registers. This nationwide cohort was followed from 2006 to 2013 for serious transport accidents. We used Cox regression to analyze the risk of serious transport accidents between individuals with epilepsy and matched controls, and then stratified Cox regression to compare the risk during periods of medication with the risk during nonmedication period within the same individual with epilepsy. We adjusted for civil status, employment, education, living area, psychiatric disorders prior to the start of follow-up, and psychotropic medication.Results: Compared to matched controls, individuals with epilepsy were at increased risk of serious transport accidents (hazard ratio [HR] 1.37; 95% confidence interval [CI] 1.29-1.46). There were increased risks of pedestrian accidents (HR 2.24, 95% CI 1.69-2.97), bicycle accidents (HR 1.68, 95% CI 1.49-1.89) and car accidents (HR 1.31, 95% CI 1.19-1.44). However, among patients with a diagnosis of epilepsy, use of antiepileptic drugs did not influence the risk of serious transport accidents in population-level comparisons (HR 0.97; 95% CI 0.85-1.11) or within-individual comparisons (HR 0.99; 95% CI 0.69-1.42).Conclusion: Serious transportation accidents were more common in individuals with epilepsy, but this risk was independent of use of antiepileptic drugs.
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9.
  • Sundelin, Helene E. K., et al. (författare)
  • Pregnancy outcome in women with cerebral palsy : A nationwide population-based cohort study
  • 2020
  • Ingår i: Acta Obstetricia et Gynecologica Scandinavica. - : John Wiley & Sons. - 0001-6349 .- 1600-0412. ; 99:4, s. 518-524
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Cerebral palsy (CP) is a lifelong disorder with a high rate of comorbidities and complications. We hypothesized that women with CP are at increased risk of adverse pregnancy outcome.Material and methods: In this nationwide population-based cohort study 1997-2011, we examined the outcome of 770 births in women with CP vs 1 247 408 births in women without a CP diagnosis using the Swedish Medical Birth Register. We used unconditional logistic regression, adjusting for maternal age, smoking, parity, year of birth and epilepsy, to calculate adjusted odds ratios for adverse pregnancy outcome. Main adverse outcome was preterm birth. Secondary outcomes were cesarean section, induction of labor, low 5-min Apgar score, small for gestational age, large for gestational age, and stillbirth.Results: After adjusting for potential confounders, maternal CP was associated with increased risk of preterm birth (12.9% vs 4.9%; adjusted odds ratio [aOR] 2.8, 95% CI 2.3-3.5), cesarean delivery (aOR 1.9, 95% CI 1.6-2.2), induced delivery (aOR 1.4, 95% CI 1.1-1.6), low 5-min Apgar score (aOR 1.8, 95% CI 1.1-2.9) and small of gestational age birth (aOR 1.6, 95% CI 1.2-2.3). We found no increased risk of large for gestational age or stillbirth.Conclusions: Women with CP are at increased risk of preterm birth and other adverse pregnancy outcomes, suggesting that they deserve extra surveillance during antenatal care. Further studies, with information on type of CP and gross motor function, are warranted to better understand the association between CP and pregnancy outcome.
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10.
  • Sundelin, Heléne E. K., 1965-, et al. (författare)
  • Pregnancy outcomes in women with autism : a nationwide population-based cohort study
  • 2018
  • Ingår i: Clinical Epidemiology. - : DOVE Medical Press Ltd.. - 1179-1349 .- 1179-1349. ; 10, s. 1817-1826
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The consequences of autism in pregnancy outcomes have not been explored before, although it is of crucial importance because of the frequent comorbidities and medication in this group of women.Objectives: To estimate the risk of adverse pregnancy outcomes in women diagnosed with autism.Design: Nationwide population-based cohort study.Setting: Sweden.Participants: Singleton births identified in the Swedish Medical Birth Registry, 2006-2014. A total of 2,198 births to women diagnosed with autism registered in the Swedish National Patient Registry were compared to 877,742 singleton births to women without such a diagnosis.Main outcome and measures: Preterm delivery. Secondary measures were cesarean delivery (emergency and elective), Apgar score <7 at 5 minutes, small for gestational age, large for gestational age, stillbirth, gestational diabetes, and preeclampsia. ORs were calculated through logistic regression, adjusted for maternal age at delivery, maternal country of birth, smoking, maternal body mass index, parity, calendar year of birth, and psychotropic and antiepileptic medication during pregnancy.Results: Women with autism were at increased risk of preterm birth (OR=1.30; 95% CI=1.10-1.54), especially medically indicated preterm birth (OR=1.41; 95% CI=1.08-1.82), but not with spontaneous preterm birth. Maternal autism was also associated with an increased risk of elective cesarean delivery (OR=1.44; 95% CI=1.25-1.66) and preeclampsia (OR=1.34; 95% CI=1.08-1.66), but not with emergency cesarean delivery, low Apgar score (<7), large for gestational age, gestational diabetes, and stillbirth. In women with medication during pregnancy, there was no increased risk of adverse pregnancy outcome except for induction of delivery (OR=1.33; 95% CI=1.14-1.55).Conclusion and relevance: Maternal autism is associated with preterm birth, likely due to an increased frequency of medically indicated preterm births, but also with other adverse pregnancy outcomes, suggesting a need for extra surveillance during prenatal care.
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