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- Ludvigsson, Jonas F., 1969-, et al.
(författare)
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Increased risk of epilepsy in biopsy-verified celiac disease : A population-based cohort study
- 2012
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Ingår i: Neurology. - : Lippincott Williams & Wilkins. - 0028-3878 .- 1526-632X. ; 78:18, s. 1401-1407
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: Celiac disease (CD) is associated with several neurologic disorders but it is unclear whether CD is associated with epilepsy. We therefore investigated whether biopsy-verified CD is associated with epilepsy.Methods: Cohort study. Using biopsy report data from all Swedish pathology departments (n = 28), we identified individuals with CD who were diagnosed from 1969 to 2008 (Marsh 3: villous atrophy). Through Cox regression, we calculated hazard ratios (HRs) for epilepsy (defined as a diagnosis of epilepsy in the Swedish National Patient Register) in 28,885 individuals with CD and 143,166 controls matched for age, sex, calendar period, and county.Results: Individuals with CD were at an increased risk of future epilepsy (HR = 1.42; 95% confidence interval [CI] = 1.24-1.62) (272 individuals with CD had a diagnosis of epilepsy vs an expected 192). The absolute risk of future epilepsy in patients with CD was 92/100,000 person-years (excess risk = 27/100,000 person-years). This risk increase was seen in all ages, including children with CD. The HR for having at least 2 interactions with health care due to epilepsy was 1.41 (95% CI = 1.19-1.66). When we restricted epilepsy to those with both a diagnosis of epilepsy and an independent record of antiepileptic drug prescriptions, CD was associated with a 1.43-fold increased risk of epilepsy (95% CI = 1.10-1.86).Conclusion: Individuals with CD seem to be at a moderately increased risk of epilepsy. Neurology (R) 2012;78:1401-1407
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- Mattsson, Peter, et al.
(författare)
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Sociodemographic differences in antiepileptic drug prescriptions to adult epilepsy patients
- 2010
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Ingår i: Neurology. - 0028-3878 .- 1526-632X. ; 74:4, s. 295-301
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: According to the Swedish Health Care Act, patients should be provided with the health care they need, regardless of sociodemographic status. We investigated whether in Sweden sociodemographic differences are associated with access to expert health care and antiepileptic drug (AED) prescriptions in epilepsy. METHOD: Patients with epilepsy were identified in the National Patient Register. Persons >or=18 years on continuous AED treatment in 2006 were identified in the recently established Swedish Prescribed Drug Register. Data on sociodemographic variables were obtained from several other national registers. We linked data to examine whether epilepsy patients' access to neurologists and the prescription of individual AEDs are related to sex, age, educational level, area of residence, region of birth, or income. We also assessed whether AEDs are prescribed differently to patients with epilepsy by neurologists as compared to non-neurologists. RESULTS: We identified 26,124 epilepsy patients in the register who were on continuous AED treatment (effective sample). Being women, young, highly educated, having high incomes, and residing in a larger city meant being more often treated by a neurologist than by other specialists. The prescriptions of AEDs differed according to gender, age, education, place of residence, and income. Lamotrigine and levetiracetam were prescribed to a larger extent by a neurologist rather than by other specialists. CONCLUSIONS: This nationwide cross-sectional study of epilepsy patients indicates that sociodemographic characteristics are important for access to neurologists and prescriptions of individual antiepileptic drugs. Prospective studies using patient-related outcomes are needed to analyze the consequences of these differences.
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- Persson, H., et al.
(författare)
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Preoperative heart rate variability in relation to surgery outcome in refractory epilepsy
- 2005
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Ingår i: Neurology. - : Ovid Technologies (Wolters Kluwer Health). - 0028-3878 .- 1526-632X. ; 65, s. 1021-1025
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Epilepsy patients may have an impaired autonomic cardiac control, which has been associated with an increased incidence of sudden unexpected death among people with epilepsy (SUDEP). The risk of SUDEP is particularly high among epilepsy surgery candidates with refractory epilepsy. This risk seems to be reduced after successful surgery but whether this is an effect of surgery or reflects pre-existing differences between good and poor responders is under debate. METHODS: We used spectral analysis to analyze prospectively heart rate variability (HRV) preoperatively in 21 consecutive patients with temporal lobe epilepsy who were planned for epilepsy surgery. The presurgical HRV based on ambulatory 24 hours EKG recordings was analyzed in relation to seizure control at 1 year after surgery. RESULTS: Patients had significantly lower SD of RR-intervals, total power, very low frequency power and low frequency power than matched healthy controls. Patients with good outcome of surgery (Engel class I; n = 11) did not differ from their controls while those with poor outcome (Engel class II-IV; n = 10) had significantly lower power in all domains than those with a favorable outcome. CONCLUSIONS: Measurements of heart rate variability preoperatively indicate that patients with a poor outcome of surgery have a more pronounced impairment of sympathetic as well as parasympathetic cardiac control than those with good outcome. Reduced heart rate variability may be associated with an increased risk of sudden unexpected death among people with epilepsy (SUDEP). Good surgery candidates may a priori have a lower risk of SUDEP.
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