Publications by authors named "Gulseth H"

Concerns have been raised that glucagon-like peptide 1 receptor agonists (GLP1-RAs) may increase the risk of thyroid cancer, but evidence remains conflicting. We therefore investigated if GLP1-RA use, compared with use of dipeptidyl peptidase-4 inhibitors (DPP-4is), was associated with thyroid cancer risk in patients with type 2 diabetes. This multisite cohort study with subsequent meta-analysis included six population-based databases from Canada (Ontario), Denmark, Norway, South Korea, Sweden, and Taiwan.

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Background: Effective public health initiatives should be founded on a comprehensive and robust understanding of health-related factors including societal and community contexts. The Norwegian Counties Public Health Survey (NCPHS) aims for insights into the adult population on topics relevant for planning public health practices at county and municipality levels.

Methods: The NCPHS includes a core questionnaire on public health-related topics and demographics, including indicators of socio-economy, with additional optional questions and scales varying across data collections.

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Background: Physical activity has been associated with preventing the development of type 2 diabetes and atherosclerotic cardiovascular disease. However, our understanding of the precise molecular mechanisms underlying these effects remains incomplete and good biomarkers to objectively assess physical activity are lacking.

Methods: We analyzed 3072 serum proteins in 26 men, normal weight or overweight, undergoing 12 weeks of a combined strength and endurance exercise intervention.

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South Asians (SAs) have a higher risk of developing type 2 diabetes (T2D) than white Europeans, especially following gestational diabetes mellitus (GDM). Despite similar blood glucose levels post-GDM, SAs exhibit more insulin resistance (IR) than Nordics, though the underlying mechanisms are unclear. This study aimed to assess markers of adipose tissue (AT) IR and liver fat in SA and Nordic women post-GDM.

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Aims: To describe trends in the use of anti-obesity drugs in Norway during the period 2004-2022.

Materials And Methods: We assessed the annual utilization of any available drug indicated for obesity recorded in the nationwide Norwegian Prescribed Drug Register for adults (age 18-79 years) from 1 January 2004 to 31 December 2022. Prevalence was stratified by sex and age group (18-29 years and 10-year age groups thereafter).

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Background And Aims: The SARS-CoV-2 mRNA vaccines are associated with an increased risk of myocarditis. This association appears to be strongest in male adolescents and younger males and after the second dose. The aim was to evaluate the risk of myocarditis following SARS-CoV-2 mRNA booster vaccination in 12-to-39-year-olds.

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Unlabelled: BackgroundSocioeconomic status in the risk of developing type 1 diabetes seems inconsistent. We investigated whether risk of childhood-onset type 1 diabetes differed by parental education or occupation in a nationwide cohort.

Methods: This cohort study included all children born in Norway from 1974 to 2013.

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Aims: Estimate prevalence of gestational diabetes mellitus (GDM) and its treatment in Norway 2010-2020 and explore impact of new national GDM guidelines in 2017.

Methods: We identified women giving birth in a nationwide cohort study using registers on births, prescriptions, education, primary and specialist care. For each year, we estimated prevalence of GDM overall, by BMI, age, education, and mother's birthplace; proportions of GDM pregnancies receiving pharmacological treatment; and distribution of the gestational week when GDM was diagnosed.

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Objective: To assess the risk of major congenital malformations with metformin versus insulin in pregnancies with type 2 diabetes.

Research Design And Methods: This cohort study used four Nordic countries' nationwide registers of live and stillborn infants exposed to metformin or insulin during first trimester organogenesis. Main exclusion criteria were type 1 diabetes, polycystic ovary syndrome, fertility treatment, and exposure to other diabetes drugs.

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Article Synopsis
  • The study aimed to investigate the potential link between SARS-CoV-2 mRNA vaccines and an increased risk of stroke during the first 28 days post-vaccination.
  • The research examined data from over 4 million adults in Norway, tracking instances of different types of strokes in relation to the timing of their vaccinations.
  • The results indicated no significant increase in stroke risk after vaccination, with adjusted hazard ratios suggesting either a slight decrease or no change in stroke incidents post-vaccination.
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Objective: To investigate the clinical outcomes of myocarditis associated with mRNA vaccines against the SARS-CoV-2 virus compared with other types of myocarditis.

Design: Population based cohort study.

Setting: Nationwide register data from four Nordic countries (Denmark, Finland, Norway, and Sweden), from 1 January 2018 to the latest date of follow-up in 2022.

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Article Synopsis
  • Serum soluble leptin receptor (sOb-R) may serve as a protective marker against type 2 diabetes, but its regulation is not fully understood.
  • The study examined the impacts of factors like glucose, insulin, body fat, BMI, food intake, and physical activity on serum sOb-R through multiple research designs across five clinical studies.
  • Findings revealed that higher BMI and insulin levels are linked to lower sOb-R levels, while acute exercise and food intake can temporarily increase sOb-R, indicating its role in the short-term regulation of leptin signaling.
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Background: Diabetes is a major public health issue. Because lifetime risk, life expectancy, and years of life lost are meaningful metrics for clinical decision making, we aimed to estimate these measures for type 2 diabetes in the high-income setting.

Methods: For this multinational, population-based study, we sourced data from 24 databases for 23 jurisdictions (either whole countries or regions of a country): Australia; Austria; Canada; Denmark; Finland; France; Germany; Hong Kong; Hungary; Israel; Italy; Japan; Latvia; Lithuania; the Netherlands; Norway; Scotland; Singapore; South Korea; Spain; Taiwan; the UK; and the USA.

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Background: The type 2 diabetes risk after gestational diabetes mellitus (GDM) is twice as high in South Asian compared to European women. Current guidelines differ regarding which test to use as a screening-tool post-GDM. We aimed to identify ethnic differences in the prevalence rates and early predictors for actionable HbA (defined as prediabetes and diabetes) short time after GDM.

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South Asian women have a higher risk of type 2 diabetes after gestational diabetes mellitus (GDM) than Nordic women; however, the mechanisms behind this difference remain unclear. We investigated insulin sensitivity, β-cell function, and hepatic insulin clearance in 179 South Asian and 108 Nordic women ∼17 months after GDM (mean age 35.3 years, BMI 29.

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Background: The Norwegian Institute of Public Health's statistics on immunisation against SARS-CoV-2 show that vaccination coverage for foreign-born persons living in Norway is lower than for persons born in Norway. As of January 2022, the difference was 18 percentage points (76 % versus 94 %). This difference is likely to be due to several factors, one of which may be that many of those who were immunised abroad have not had this registered in the Norwegian Immunisation Registry.

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Background: Levels of thyroid-stimulating hormone (TSH) are believed to reflect degree of disease in patients with hypothyroidism, and normalization of levels is the treatment goal. However, despite adequate levels of TSH after starting levothyroxine (LT4) therapy, 5-10% of hypothyroid patients complain of persisting symptoms with a significant negative impact on quality of life. This indicates that TSH is not an optimal indicator of intracellular thyroid hormone effects in all patients.

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Importance: Reports of myocarditis after SARS-CoV-2 messenger RNA (mRNA) vaccination have emerged.

Objective: To evaluate the risks of myocarditis and pericarditis following SARS-CoV-2 vaccination by vaccine product, vaccination dose number, sex, and age.

Design, Setting, And Participants: Four cohort studies were conducted according to a common protocol, and the results were combined using meta-analysis.

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Aims: We investigated the current extent of undiagnosed diabetes and prediabetes and their associated cardiovascular risk profile in a population-based study.

Methods: All residents aged ≥20 years in the Nord-Trøndelag region, Norway, were invited to the HUNT4 Survey in 2017-2019, and 54% attended. Diagnosed diabetes was self-reported, and in those reporting no diabetes HbA1c was used to classify undiagnosed diabetes (≥48 mmol/mol [6.

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Objective: To determine risk factors for SARS-CoV-2 infection and hospitalisation among children and adolescents.

Design: Nationwide, population-based cohort study.

Setting: Norway from 1 March 2020 to 30 November 2021.

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Background: Soluble suppression of tumorigenesis-2 (sST2) and galectin (Gal)-3 are two biomarkers related to inflammation, metabolic disturbances and to myocardial fibrosis that characterize several cardiac pathological conditions. Increased circulating levels of these molecules have been associated with risk of cardiovascular death. Treatment with liraglutide, a glucagon-like peptide 1 analog, is associated with weight loss, improved glycemic control, and reduced cardiovascular risk.

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Objective: The effects of levothyroxine (LT4)/liothyronine (LT3) combination therapy on quality of life (QoL) in hypothyroid patients former on LT4 monotherapy have been disappointing. We therefore wanted to test the effects of LT3 monotherapy on QoL in hypothyroid patients with residual symptoms despite thyroid stimulating hormone (TSH) values within the reference range.

Design: Female hypothyroid patients with residual symptoms on LT4 monotherapy or combination LT4/LT3 therapy received LT3 and LT4 monotherapy, respectively for 12 weeks in a non-blinded randomized crossover study.

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Background: Population-level trends in mortality among people with diabetes are inadequately described. We aimed to examine the magnitude and trends in excess all-cause mortality in people with diabetes.

Methods: In this retrospective, multicountry analysis, we collected aggregate data from 19 data sources in 16 high-income countries or jurisdictions (in six data sources in Asia, eight in Europe, one from Australia, and four from North America) for the period from Jan 1, 1995, to Dec 31, 2016, (or a subset of this period) on all-cause mortality in people with diagnosed total or type 2 diabetes.

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