Publications by authors named "Sigurdhur Juliusson"

Introduction: We studied changes in death statistics by deaths from diabetes mellitus (DM) after introduction of mandatory online death certificate (DC) submission in Norway.

Materials And Methods: Information on deaths with DM mentioned in the DCs from year 2017 (DCs submitted on paper) to 2022 (DCs submitted online) was collected from the Norwegian Cause of Death Registry (NCoDR), Sex, age, year of death and type of DC (paper (pDC) vs electronic (eDC)) was registered. In DCs with DM as underlying cause of death (UCOD), all codes (International classification of diseases, 10th revision (ICD-10)), their original position in the DC and place of death were collected.

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Background: Chronic lymphocytic leukemia (CLL) is a common hematological malignancy with highly variable clinical presentation. Many patients never require any treatment but for the others, chemotherapy, immunochemotherapy, and newer targeted therapies have changed the treatment landscape. Diagnostic age influences the applied treatment, and we thus wanted to analyze age-specific survival trends through 50 years up to 2020s.

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Anti-obesity medications (AOMs) have emerged as one element of comprehensive obesity clinical care intended to improve long-term health outcomes for children and adolescents. The number of pediatric AOM clinical trials has burgeoned in recent years as new pharmacotherapeutics have been developed. Factors related to growth and development in children and adolescents can present unique challenges in terms of designing and conducting clinical trials investigating the safety and efficacy of AOMs.

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Per- and polyfluoroalkyl substances (PFAS) are widespread environmental contaminants with endocrine-disruptive properties. Their impact on puberty in boys is unclear. In this cross-sectional study, we investigated the association between PFAS exposure and pubertal timing in 300 Norwegian boys (9-16 years), enrolled in the Bergen Growth Study 2 during 2016.

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Importance: Polycystic ovary syndrome (PCOS) is a common endocrine disorder, characterized by subfertility, increased risk of metabolic diseases, and pregnancy complications. Previous studies diverge regarding the association between maternal PCOS and newborn anthropometrics.

Objective: To explore the association between maternal PCOS and newborn anthropometrics and the modifying effects of maternal body mass index, PCOS phenotype, and gestational diabetes.

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Gene promoter and enhancer sequences are bound by transcription factors and are depleted of methylated CpG sites (cytosines preceding guanines in DNA). The absence of methylated CpGs in these sequences typically correlates with increased gene expression, indicating a regulatory role for methylation. We used nanopore sequencing to determine haplotype-specific methylation rates of 15.

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Gene panel sequencing has become a common diagnostic tool for detecting somatically acquired mutations in myeloid neoplasms. However, many panels have restricted content, provide insufficient sensitivity levels, or lack clinically validated workflows. We here describe the development and validation of the Genomic Medicine Sweden myeloid gene panel (GMS-MGP), a capture-based 191 gene panel including mandatory genes in contemporary guidelines as well as emerging candidates.

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In multiple myeloma (MM), advancements in treatments and toxicity management have enhanced survival rates. This, coupled with shifting age demographics in MM, necessitates an updated understanding of infection risks in MM patients compared to the general population. Using Swedish population-based registries, we investigated the incidence of infections in 8,672 Swedish symptomatic MM patients diagnosed 2008-2021 and 34,561 matched controls.

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Aim: Trends in childhood overweight, obesity and severe obesity have been lacking in Norway. This study assessed pre-pandemic trends from 2010 to 2019 and evaluated differences in prevalence during the 2020-2022 pandemic years.

Methods: Routine height and weight measurements from child and school health centres were extracted retrospectively from children aged 2, 4, 6, 8 and 13 years.

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Article Synopsis
  • The standard treatment for acute myeloid leukemia (AML) has been the 7+3 regimen (cytarabine infusion with anthracycline) since the 1980s.
  • A recent study compared this standard regimen with a higher dose of cytarabine in older, high-risk AML patients, showing improved overall survival rates and remission rates in those receiving the increased dose.
  • The results indicated that those on the higher cytarabine dosage had a median overall survival of 10.7 months compared to 6.4 months for the standard dose, suggesting that the more intensive treatment leads to better outcomes for this patient group.
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Article Synopsis
  • The GAIA/CLL13 trial found that venetoclax-obinutuzumab and venetoclax-obinutuzumab-ibrutinib combinations led to better undetectable measurable residual disease (MRD) rates and longer progression-free survival compared to traditional chemoimmunotherapy for untreated chronic lymphocytic leukaemia (CLL) patients.
  • The trial was a phase 3 study involving 159 sites across Europe and the Middle East, enrolling patients aged 18 and older with specific health criteria and assigning them to different treatment groups, including standard chemoimmunotherapy and various venetoclax-based combinations.
  • All treatment regimens were administered in cycles, with detailed protocols for each group, specifically focusing on
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Objectives: Studies have shown that children develop a higher body weight during summer months. This has been demonstrated repeatedly using the body mass index (BMI), but the effect of season on other weight-related anthropometric measurements is still unclear.

Methods: Measurements of height, weight, waist circumference (WC), triceps, and subscapular skinfolds (TSF and SSF), collected from September till May in a cross-sectional sample of 4-16-year-old children and adolescents (n = 4525) from the Bergen Growth Study 1 (BGS1).

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Aim: To assess respiratory symptoms and nocturnal gastro-oesophageal reflux (nGER) among untreated obstructive sleep apnoea (OSA) patients, compared with the general population. Also, if nGER associates differently with respiratory symptoms among OSA patients.

Methods: 2 study cohorts were included: 822 newly diagnosed subjects with moderate-severe OSA and 738 Icelandic general population study participants.

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Article Synopsis
  • The COVID-19 pandemic impacted the Nordic countries beginning in March 2020, with each country implementing public health interventions at different times and levels of severity.
  • A study analyzed data from Denmark, Finland, Norway, Iceland, and parts of Sweden to assess COVID-19-related admissions among pregnant women during 2020, focusing on those who tested positive for the virus before hospital admission.
  • Findings revealed that 0.5 out of every 1,000 mothers admitted were due to COVID-19, with notable differences in admissions across countries; Sweden had the highest rate while Iceland reported none, reflecting less stringent health measures implemented there.
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Importance: Better knowledge about neonatal adverse events after COVID-19 vaccination during pregnancy could help address concerns about vaccine safety.

Objective: To evaluate the risks of neonatal adverse events after exposure to COVID-19 vaccination during pregnancy.

Design, Setting, And Participants: Population-based cohort study including all infants in Sweden and Norway born from June 2021 to January 2023.

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Background: Causes of death other than COVID-19 seem to contribute significantly to the excess mortality observed during the 2020-2022 pandemic. In this study, we explore changes in non-COVID-19 causes of death in Norway during the COVID-19 pandemic from March 2020 to December 2022.

Methods: We performed a population-based cross-sectional study on data from the Norwegian Cause of Death Registry.

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Aim: To study the effect of positive airway pressure (PAP) treatment on nocturnal gastro-oesophageal reflux (nGOR) and respiratory symptoms among clinical obstructive sleep apnoea (OSA) patients.

Methods: 822 patients newly diagnosed with OSA referred for PAP treatment were recruited. 732 patients had a 2-year follow-up visit with continuous PAP compliance data (366 full PAP users, 366 partial/non-PAP users).

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Background: Little is known about the prevalence of overweight/obesity and socio-economic position (SEP) in children with immigrant background in Scandinavia. The purpose of this study is to examine the prevalence of overweight/obesity by immigrant background among children in Norway and to explore the role of SEP in explaining differences in weight status.

Methods: Anthropometric data from 8,858 children (age 8.

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Aims: The overarching aim of this study was to evaluate the Norwegian guidelines for growth monitoring using routinely collected data from healthy children up to five years of age. We analysed criteria for both status (size for age) and change (centile crossing) in growth.

Methods: Longitudinal data were obtained from the electronic health record (EHR) at the well-baby clinic for 2130 children included in the Bergen growth study 1 (BGS1).

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