Publications by authors named "Jannicke Igland"

Article Synopsis
  • The study aimed to investigate if high-dose folic acid (>1 mg daily) use in women who have given birth and those with epilepsy is linked to a higher risk of cancer, especially in children born to mothers with epilepsy.
  • Researchers analyzed data from medical birth registers in Denmark, Norway, and Sweden, tracking cancer diagnoses among women over time while taking into account other factors like antiseizure medication use.
  • Results showed that women exposed to high-dose folic acid had a 20% increased overall risk of cancer, which slightly decreased when considering a 6-month delay, with a notable increase in non-Hodgkin lymphoma cases among those exposed.
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Aims: This study aims to describe health literacy for people at risk of type 2 diabetes and people with type 2 diabetes using the HLS-EU-Q12, and further examine the association between sociodemographic and clinical characteristics, well-being, overall health and quality of life, and health literacy.

Material And Methods: We performed a cross-sectional study among 142 people at risk of type 2 diabetes and 75 people with type 2 diabetes from four primary care clinics in Norway. These data are baseline data from a randomized controlled trial which seeks to evaluate an interprofessional follow-up intervention.

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Background: Older people with diabetes who live at home and receive home care services (HCS) are vulnerable, which may result in a need for more care than the HCS can provide. In this study we aimed to explore associations between pharmacologically treated diabetes and the risk of short-term and long-term nursing home stays (NHS) among older people receiving HCS.

Methods: This nationwide registry study included older people ≥ 65 years receiving HCS, as registered in the Norwegian Information System for the Nursing and Care Sector (IPLOS) (2010-2014).

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Importance: Maternal epilepsy is associated with adverse pregnancy and neonatal outcomes. A better understanding of this condition and the associated risk of mortality and morbidity at the time of delivery could help reduce adverse outcomes.

Objective: To determine the risk of severe maternal and perinatal morbidity and mortality among women with epilepsy.

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Objective: Research points to disparities in disease burden and access to medical care in epilepsy. We studied the association between socioeconomic status (SES) and antiseizure medication (ASM) use in pregnancies with maternal epilepsy.

Methods: We conducted a cross-sectional study consisting of 21 130 pregnancies with maternal epilepsy identified from Nordic registers during 2006-2017.

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Background And Aims: Diabetes-related foot ulcers (DFU) are a persistent healthcare challenge, impacting both patients and healthcare systems, with adverse effects on quality of life and productivity. Our primary aim was to examine the trends in lifetime prevalence of DFU, as well as other micro- and macrovascular complications in the Trøndelag Health Study (HUNT) in Norway.

Methods: This study consists of individuals ≥20 years with diabetes participating in the population-based cross-sectional HUNT surveys (1995-2019).

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Article Synopsis
  • Essential tremor (ET) is a common neurological disorder, but its biological causes are still not well understood.
  • A comprehensive study involving over 16,000 ET cases identified 12 genetic variants linked to the disorder, suggesting several potential causal genes, including CA3 and CPLX1.
  • The findings also reveal associations between ET and other conditions like Parkinson's disease, depression, and anxiety, which could lead to new therapeutic targets for treatment.
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Objective: To examine the effects of an empowerment-based interprofessional lifestyle intervention program among people at risk of type 2 diabetes on knowledge, skills, and confidence in self-management, health, psychological well-being, and lifestyle characteristics, and to explore the participants' perceptions of participating in the intervention.

Design And Methods: In line with the Medical Research Council complex interventions research methods framework, we conducted a randomized controlled trial with embedded qualitative interviews in primary healthcare clinics in Norway between 2019-2021. Of the patients at risk (The Finnish Diabetes Risk Score Calculator (FINDRISC) ≥15 or Body Mass Index (BMI) ≥30) 142 accepted the invitation, and 14 participants from the intervention group participated in individual interviews after the 12-month follow-up.

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Objective: This study was undertaken to characterize the use of higher doses of folic acid (≥1 mg daily) in relation to pregnancy in Denmark, Norway, and Sweden in women with epilepsy treated with antiseizure medication (ASM).

Methods: In this observational study, we used data from national medical birth, patient, and prescription registers in Denmark, Norway, and Sweden to retrospectively identify pregnancies in women with epilepsy treated with ASM from 2006 to 2017. The proportion of higher dose folic acid supplementation in pregnancies among women receiving ASM for epilepsy was calculated according to country of origin, time period, and type of ASM.

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Objective: The prescription-based Rx-risk index has previously been developed to measure multimorbidity. We aimed to adapt and evaluate the validity of the Rx-risk index in prediction of mortality among persons with type 2 diabetes.

Design: Registry-based study.

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Background: The short- and long-term consequences of restricted fetal growth cause considerable concern, and how prenatal exposure to different antiseizure medications (ASMs) affects fetal growth remains uncertain.

Methods: This was a population-based cohort study of liveborn singleton children born in Denmark, Finland, Iceland, Norway, and Sweden from 1996 to 2017. Prenatal exposure was defined as maternal filling of prescriptions for ASM during pregnancy registered in national prescription registries and primary outcomes were adjusted odds ratios (aORs) of microcephaly or being born small for gestational age.

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Importance: Use of valproate and certain other antiseizure medications (ASMs) in pregnancy is associated with abnormal fetal brain development with potential long-term implications for the child.

Objective: To examine whether use of valproate and other ASMs in pregnancy among mothers with epilepsy is associated with epilepsy risk in their children.

Design, Setting, And Participants: This prospective, population-based register cohort study included singletons born to mothers with epilepsy in Denmark, Finland, Iceland, Norway, and Sweden from January 1, 1996, to December 31, 2017.

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Background: Gliomas constitute 75 % of all malignant primary adult brain tumors. Being the most frequent histologic subtype, glioblastomas (GBMs) cause substantial morbidity and mortality worldwide and the Nordic countries have some of the highest incidence rates in the world. Therefore, we investigated the incidence of gliomas in Norway including time trends and associations with education and occupation.

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Aims: Immigrant women in Norway have lower cervical cancer screening participation than non-immigrant women. Our aim in this study was to assess whether the observed increase in screening participation during 2012-2017 was different between Norwegian-born women and immigrant women.

Methods: Data were collected from three national registries.

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With an ageing population and improved treatments people live longer with their chronic diseases, and primary care clinics face more costly and difficult-to-treat multimorbid patients. To meet these challenges, current guidelines for the management of type 2 diabetes suggest that an interprofessional team should collaborate to enhance the delivery of worthwhile self-management support interventions. In this study, we aimed to evaluate the effects of an empowerment-based interprofessional follow-up intervention in people with type 2 diabetes in primary care on patient-reported outcomes, biomarkers and weight, and to explore the experiences of patients attending the intervention.

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Article Synopsis
  • Migraine is a complicated neurovascular condition with varying symptoms, traditionally studied as a single type in genome-wide association studies (GWAS), but this research focuses on two main subtypes: migraine with aura (MA) and migraine without aura (MO).
  • The study analyzed large datasets from six European populations, identifying four new gene variants associated with MA and classifying 13 variants for MO, highlighting a significant frameshift variant in PRRT2 linked to MA and epilepsy.
  • Additionally, testing on rare variants showed that loss-of-function mutations in SCN11A provide strong protection against migraine, while another variant affecting KCNK5 offers large protection against both migraine and brain aneurysms, suggesting new avenues for treatment.
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Background: A scoping review from 2021 identified a lack of studies on the incidence, prevention and management of hypoglycaemia in home-dwelling older people with diabetes. The aim of this study was to investigate the frequency and duration of hypoglycaemic episodes measured by continuous glucose monitoring (CGM) in older people with diabetes who received home care and who were treated with glucose-lowering medications, and to compare the frequency and duration of hypoglycaemic episodes between subgroups of the study population according to demographic and clinical variables.

Methods: This was an observational study investigating the occurrence of hypoglycaemia in people with diabetes aged ≥ 65 years.

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Background And Objectives: The incidence rate of Parkinson disease (PD) has been increasing rapidly during the past years. Yet, no treatments exist to prevent or slow the progression of the disease. Moreover, we are unable to detect early disease stages during which intervention with disease-modifying therapies is most likely to succeed.

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Background: Type 2 diabetes (T2D) is a global public health problem, but the onset can be delayed or prevented with adequate intervention in individuals with increased risk. Therefore, a major challenge in general practice is to identify individuals at risk of diabetes. However, limited knowledge is available about the prevalence of high diabetes risk individuals in a primary care population.

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Women using antiseizure medication in pregnancy are often advised to use high doses of folic acid supplements (1mg to 5 mg) to reduce the risk of teratogenicity. Recently, we published a report showing an association between maternal prescription fill of high dose folic acid in relation to pregnancy and childhood cancer in the offspring. The report has sparked a debate about which dose of folic acid that should be recommended in pregnancy in women in need of antiseizure medication.

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Background: Patient activation refers to patients' knowledge, confidence, skills, ability, beliefs, and willingness to manage their health and healthcare. Patient activation is an essential component of self-management and identifying patient activation levels will identify people at risk for health decline at an earlier stage. We aimed to explore patient activation in among adults attending general practice by (1) investigating differences in patient activation according to characteristics and markers of health-related behaviour; (2) examining the associations of quality of life and satisfaction with health with patient activation; and (3) comparing patient activation between persons with or without type 2 diabetes (T2D) and with or without elevated T2D risk.

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Background: Patients with type 1 diabetes mellitus (T1DM) and poor glycaemic control are at high risk of developing microvascular and macrovascular complications. The aim of this study was to determine if a quality improvement collaborative (QIC) initiated by the Norwegian Diabetes Register for adults (NDR-A) could reduce the proportion of patients with T1DM with poor glycaemic control (defined as glycated haemoglobin (HbA1c)≥75 mmol/mol) and reduce mean HbA1c at participating clinics compared with 14 control clinics.

Method: Multicentre study with controlled before and after design.

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Importance: Prenatal antiseizure medication (ASM) exposure has been associated with adverse early neurodevelopment, but associations with a wider range of psychiatric end points have not been studied.

Objective: To examine the association between prenatal exposure to ASM with a spectrum of psychiatric disorders in childhood and adolescence in children of mothers with epilepsy.

Design, Setting, And Participants: This prospective, population-based register study assessed 4 546 605 singleton children born alive in Denmark, Finland, Iceland, Norway, and Sweden from January 1, 1996, to December 31, 2017.

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