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Atrial fibrillation is associated with cognitive decline in stroke-free subjects: the Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-28)
Background and purpose:<br>Previous studies have shown associations between atrial fibrillation (AF) and cognitive decline. We investigated this association in a prospective population study, focusing on whether stroke risk factors modulated this association in stroke-free women and men.<br>Methods:<br>We included 4983 participants (57% women) from the fifth survey of the Tromsø Study (Tromsø 5, ...
Sex Differences in the Impact of Body Mass Index on the Risk of Future Atrial Fibrillation: Insights From the Longitudinal Population-Based Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-19)
<p><i>Background</i>: Atrial fibrillation (AF) prevalence is increasing, and body mass index (BMI) is a risk factor for AF. However, sex differences in the impact of BMI on AF risk have not been fully elucidated.</p>
<p><i>Methods and Results</i>: Data from the fourth survey (1994–1995) of the Tromsø Study (Norway) were used to investigate the association of single‐measurement BMI on future AF ...
Polymorphisms Related to the Serum 25-Hydroxyvitamin D Level and Risk of Myocardial Infarction, Diabetes, Cancer and Mortality. The Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
Low serum 25(OH)D levels are associated with cardiovascular risk factors, and also predict future myocardial infarction (MI), type 2 diabetes (T2DM), cancer and all-cause mortality. Recently several single nucleotide polymorphisms (SNPs) associated with serum 25-hydroxyvitamin D (25(OH)D) level have been identified. If these relations are causal one would expect a similar association between these ...
Association of occasional smoking with total mortality in the population-based Tromsø study, 2001-2015
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-28)
Objectives: <br> There is a shift in the smoking population
from daily smokers to light or occasional smokers. The
knowledge about possible adverse health effects of this
new smoking pattern is limited. We investigated smoking
habits with focus on occasional smoking in relation to
total mortality in a follow-up study of a Norwegian general
population. <br>
Setting: <br> A population study ...
Genetic variations in the Vitamin D receptor predict type 2 diabetes and myocardial infarction in a community-based population: The tromsø study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2015-12-23)
Background
Though the associations between low serum 25-hydroxyvitamin D (25(OH)D) levels and
health outcomes such as type 2 diabetes (T2D), myocardial infarction (MI), cancer, and
mortality are well-studied, the effect of supplementation with vitamin D is uncertain. This
may be related to genetic differences. Thus, rs7968585, a single nucleotide polymorphism
(SNP) of the vitamin D receptor ...
The phosphodiesterase 8B gene rs4704397 is associated with thyroid function, risk of myocardial infarction and body height. The Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
Objective: High serum thyrotropin (TSH) levels predict cardiovascular disease (CVD). Recently several single
nucleotide polymorphisms (SNPs) associated with TSH levels have been identified, one of them being the
rs4704397 SNP in the phosphodiesterase 8B (PDE8B) gene. If the relation between thyroid function and CVD is
causal, one could also expect rs4704397 genotypes to predict CVD and possibly ...
Effect of genetically low 25-hydroxyvitamin D on mortality risk: Mendelian randomization analysis in 3 large European cohorts
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-02)
The aim of this study was to determine if increased mortality associated with low levels of serum 25-hydroxyvitamin D (25(OH)D) reflects a causal relationship by using a Mendelian randomisation (MR) approach with genetic variants in the vitamin D synthesis pathway. Individual participant data from three European cohorts were harmonized with standardization of 25(OH)D according to the Vitamin D ...
Left atrial diameter, left ventricle filling indices, and association with all-cause mortality: Results from the population-based Tromsø Study.
(Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-28)
<p><i>Aims</i>: To examine the associations between diastolic dysfunction indices and long‐term risk of all‐cause mortality in adults over 23‐year follow‐up.</p>
<p><i>Methods and results</i>: Participants (n = 2734) of the population‐based Tromsø Study of Norway had echocardiography in 1994–1995. Of these 67% were repeated in 2001 and/or 2007–2008. Mortality between 1994 and 2016 was determined ...
The independent and joint associations of physical activity and body mass index with myocardial infarction: The Tromsø Study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2018-09-13)
Physical activity and overweight are associated with myocardial infarction (MI). However, their joint association
with MI remains unclear. Our objective was to examine the independent and joint association between leisuretime
physical activity (LTPA), body mass index (BMI) and MI. This prospective cohort study included 16,572
men and women (47.5% women) aged 20–54 years who took part in the second ...
Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-16)
Background:<br>Vitamin D deficiency may be a risk factor for mortality but previous meta-analyses lacked standardization of laboratory methods for 25-hydroxyvitamin D (25[OH]D) concentrations and used aggregate data instead of individual participant data (IPD). We therefore performed an IPD meta-analysis on the association between standardized serum 25(OH)D and mortality.<br>Methods:<br>In a European ...