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Sökning: WFRF:(Larsson Susanna C.) > Bäck Magnus

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2.
  • Bäck, Magnus, et al. (författare)
  • Fatty acid desaturase genetic variations and dietary omega-3 fatty acid intake associate with arterial stiffness
  • 2022
  • Ingår i: European Heart Journal Open. - : Oxford University Press. - 2752-4191. ; 2:2
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: Long-chain polyunsaturated fatty acids (PUFAs) generate diverse bioactive lipid mediators, which tightly regulate vascular inflammation. The effects of omega-3 PUFA supplementation in cardiovascular prevention however remain controversial. In addition to direct dietary intake, fatty acid desaturases (FADS) determine PUFA levels. Increased arterial stiffness represents an independent predictor of mortality and cardiovascular events. The aim of the present study was to determine the association of PUFA intake, FADS1 genotype, and FADS expression with arterial stiffness.METHODS AND RESULTS: A cross-sectional population-based cohort study of 1464 participants without overt cardiovascular disease was conducted. Dietary intake was assessed using a food frequency questionnaire. Arterial stiffness was assessed by carotid-femoral pulse wave velocity (cfPWV), and the FADS1 locus variant was determined. Blood cell transcriptomics was performed in a subset of 410 individuals. Pulse wave velocity was significantly associated with the FADS1 locus variant. Differential associations between PWV and omega-3 PUFA intake were observed depending on the FADS1 genotype. High omega-3 PUFA intake attenuated the FADS1 genotype-dependent associations. Carriers of the minor FADS1 locus variant exhibited increased expression of FADS2, which is associated with PWV.CONCLUSION: Taken together, these findings point to FADS1 genotype-dependent associations of omega-3 PUFA intake on subclinical cardiovascular disease. These findings may have implications for identifying responders and non-responders to omega-3 PUFA supplementation and open up for personalized dietary counselling in cardiovascular prevention.
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3.
  • Larsson, Susanna C., et al. (författare)
  • Body mass index and body composition in relation to 14 cardiovascular conditions in UK Biobank : a Mendelian randomization study
  • 2020
  • Ingår i: European Heart Journal. - : OXFORD UNIV PRESS. - 0195-668X .- 1522-9645. ; 41:2, s. 221-226
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: The causal role of adiposity for several cardiovascular diseases (CVDs) is unclear. Our primary aim was to apply the Mendelian randomization design to investigate the associations of body mass index (BMI) with 13 CVDs and arterial hypertension. We also assessed the roles of fat mass and fat-free mass on the same outcomes.Methods and results: Single-nucleotide polymorphisms associated with BMI and fat mass and fat-free mass indices were used as instru- and results mental variables to estimate the associations with the cardiovascular conditions among 367 703 UK Biobank participants. After correcting for multiple testing, genetically predicted BMI was significantly positively associated with eight outcomes, including and with decreasing magnitude of association: aortic valve stenosis, heart failure, deep vein thrombosis, arterial hypertension, peripheral artery disease, coronary artery disease, atrial fibrillation, and pulmonary embolism. The odds ratio (OR) per 1 kg/m(2) increase in BMI ranged from 1.06 [95% confidence interval (CI) 1.02-1.11; P=2.6 x 10(-3)] for pulmonary embolism to 1.13 (95% CI 1.05-1.21; P=1.2 x 10(-3)) for aortic valve stenosis. There was suggestive evidence of positive associations of genetically predicted fat mass index with nine outcomes (P < 0.05). The strongest magnitude of association was with aortic valve stenosis (OR per 1 kg/m(2) increase in fat mass index 1.46, 95% CI 1.13-1.88; P=3.9 x 10(-3)). There was suggestive evidence of inverse associations of fat-free mass index with atrial fibrillation, ischaemic stroke, and abdominal aortic aneurysm.Conclusion: This study provides evidence that higher BMI and particularly fat mass index are associated with increased risk of aortic valve stenosis and most other cardiovascular conditions.
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4.
  • Larsson, Susanna C, et al. (författare)
  • Dietary patterns, food groups, and incidence of aortic valve stenosis : A prospective cohort study.
  • 2019
  • Ingår i: International Journal of Cardiology. - : Elsevier BV. - 0167-5273 .- 1874-1754. ; 283, s. 184-188
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The role of diet in the development of aortic valve stenosis (AVS) is unknown. We therefore examined the associations of two dietary patterns, including a modified Dietary Approaches to Stop Hypertension (mDASH) diet and a modified Mediterranean (mMED) diet, and the food items included in these dietary patterns with incidence of aortic valve stenosis (AVS) in a population-based cohort study.METHODS: The study cohort comprised 74,401 Swedish adults (54% men) who were free of cardiovascular disease at the time of completion of a baseline questionnaire about habitual diet and other risk factors for chronic diseases. Participants were followed-up through linkage with nationwide registers on hospitalization and causes of death.RESULTS: During 1,132,617 person-years (mean 15.2 years) of follow-up, 1338 incident AVS cases (801 in men and 537 in women) were ascertained. We found no significant associations of the mDASH and mMED dietary patterns or the food groups and beverages included in these diets (i.e., fruit, vegetables, legumes and nuts, whole grains, fish, low-fat dairy foods, full-fat dairy foods, red and processed meat, and sweetened beverages) with risk of AVS. The hazard ratios (95% confidence interval) of AVS per one standard deviation increase in the mDASH and mMED diet scores were respectively 1.02 (0.96-1.07) and 1.00 (0.95-1.06).CONCLUSION: This study found no evidence that diet plays a role in the development of AVS.
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5.
  • Larsson, Susanna C., et al. (författare)
  • Genetic predisposition to smoking in relation to 14 cardiovascular diseases
  • 2020
  • Ingår i: European Heart Journal. - : Oxford University Press. - 0195-668X .- 1522-9645. ; 41:35, s. 3304-3310
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: The aim of this study was to use Mendelian randomization (MR) to determine the causality of the association between smoking and 14 different cardiovascular diseases (CVDs).METHODS AND RESULTS: Our primary genetic instrument comprised 361 single-nucleotide polymorphisms (SNPs) associated with smoking initiation (ever smoked regularly) at genome-wide significance. Data on the associations between the SNPs and 14 CVDs were obtained from the UK Biobank study (N = 367 643 individuals), CARDIoGRAMplusC4D consortium (N = 184 305 individuals), Atrial Fibrillation Consortium (2017 dataset; N = 154 432 individuals), and Million Veteran Program (MVP; N = 190 266 individuals). The main analyses were conducted using the random-effects inverse-variance weighted method and complemented with multivariable MR analyses and the weighted median and MR-Egger approaches. Genetic predisposition to smoking initiation was most strongly and consistently associated with higher odds of coronary artery disease, heart failure, abdominal aortic aneurysm, ischaemic stroke, transient ischaemic attack, peripheral arterial disease, and arterial hypertension. Genetic predisposition to smoking initiation was additionally associated with higher odds of deep vein thrombosis and pulmonary embolism in the UK Biobank but not with venous thromboembolism in the MVP. There was limited evidence of causal associations of smoking initiation with atrial fibrillation, aortic valve stenosis, thoracic aortic aneurysm, and intracerebral and subarachnoid haemorrhage.CONCLUSION: This MR study supports a causal association between smoking and a broad range of CVDs, in particular, coronary artery disease, heart failure, abdominal aortic aneurysm, ischaemic stroke, transient ischaemic attack, peripheral arterial disease, and arterial hypertension.
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6.
  • Larsson, Susanna C., et al. (författare)
  • Nut consumption and incidence of seven cardiovascular diseases
  • 2018
  • Ingår i: Heart. - : BMJ Publishing Group Ltd. - 1355-6037 .- 1468-201X. ; 104:19, s. 1615-1620
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Nut consumption has been found to be inversely associated with cardiovascular disease mortality, but the association between nut consumption and incidence of specific cardiovascular diseases is unclear. We examined the association between nut consumption and incidence of seven cardiovascular diseases. Methods This prospective study included 61 364 Swedish adults who had completed a Food Frequency Questionnaire and were followed up for 17 years through linkage with the Swedish National Patient and Death Registers. Results Nut consumption was inversely associated with risk of myocardial infarction, heart failure, atrial fibrillation and abdominal aortic aneurysm in the age-adjusted and sex-adjusted analysis. However, adjustment for multiple risk factors attenuated these associations and only a linear, dose-response, association with atrial fibrillation (p(trend)=0.004) and a non-linear association (p(non-linearity)=0.003) with heart failure remained. Compared with no consumption of nuts, the multivariable HRs (95% CI) of atrial fibrillation across categories of nut consumption were 0.97 (0.93 to 1.02) for 1-3 times/month, 0.88 (0.79 to 0.99) for 1-2 times/week and 0.82 (0.68 to 0.99) for 3times/week. For heart failure, the corresponding HRs (95% CI) were 0.87 (0.80 to 0.94), 0.80 (0.67 to 0.97) and 0.98 (0.76 to 1.27). Nut consumption was not associated with risk of aortic valve stenosis, ischaemic stroke or intracerebral haemorrhage. Conclusions These findings suggest that nut consumption or factors associated with this nutritional behaviour may play a role in reducing the risk of atrial fibrillation and possibly heart failure. Trial registration number NCT01127711 and NCT01127698; Results.
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7.
  • Larsson, Susanna C, et al. (författare)
  • Overall and abdominal obesity and incident aortic valve stenosis : two prospective cohort studies.
  • 2017
  • Ingår i: European Heart Journal. - : Oxford University Press (OUP). - 0195-668X .- 1522-9645. ; 38:28, s. 2192-2197
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: The aim of this study was to examine the association of overall and abdominal obesity with aortic valve stenosis (AVS) incidence in two prospective cohorts.Methods and results: We used data from the Cohort of Swedish Men and the Swedish Mammography Cohort, involving 71 817 men and women who were free of cardiovascular disease and had reported their anthropometric measures in 1997. Aortic valve stenosis cases were ascertained through linkage with nationwide registers on hospitalization and causes of death. Data were analysed using Cox proportional hazards regression. During a mean follow-up of 15.3 years, 1297 incident AVS cases (771 in men; 526 in women) were ascertained. Both overall and abdominal obesity, measured as body mass index (BMI) and waist circumference, respectively, was associated with AVS incidence, with similar associations in men and women. Compared with BMI 18.5-22.5 kg/m2, the multivariable hazard ratios were 1.24 (95% confidence interval [CI] 1.05-1.48) for overweight (BMI 25.0-29.9 kg/m2) and 1.81 (95% CI 1.47-2.23) for obesity (BMI ≥30 kg/m2). The hazard ratio for substantially increased waist circumference (men: ≥102 cm; women: ≥88 cm) compared with normal waist circumference (men: <94 cm; women: <80 cm) was 1.30 (95% CI 1.12-1.51). The proportion of AVS cases estimated to be attributed to overweight and obesity combined (BMI ≥25 kg/m2) was 10.8% (95% CI 5.2-16.4%).Conclusion: These findings indicate that obesity is associated with an increased risk of AVS and that a large proportion of the cases may be prevented if the population maintained a healthy BMI.
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8.
  • Larsson, Susanna C., et al. (författare)
  • Type 1 and type 2 diabetes mellitus and incidence of seven cardiovascular diseases
  • 2018
  • Ingår i: International Journal of Cardiology. - : ELSEVIER IRELAND LTD. - 0167-5273 .- 1874-1754. ; 262, s. 66-70
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The association between type 1 diabetes mellitus (T1DM) and specific cardiovascular diseases (CVD) is uncertain. Furthermore, data on type 2 diabetes mellitus (T2DM) in relation to risk of aortic valve stenosis, atrial fibrillation, abdominal aortic aneurysm, and intracerebral hemorrhage are scarce and inconclusive. We examined the associations of T1DM and T2DM with incidence of seven CVD outcomes.Methods: This study comprised 71,483 Swedish adults from two population-based prospective cohorts. T1DM and T2DM diagnosis and incident CVD cases were ascertained through linkage with the population-based registers.Results: T1DM was associated with myocardial infarction (hazard ratio [HR] 3.26; 95% confidence interval [CI] 2.47-4.30), heart failure (HR 2.68; 95% CI 1.76-4.09), and ischemic stroke (HR 2.61; 95% CI 1.80-3.79). Increased risk of myocardial infarction, ischemic stroke, and heart failure was also observed in T2DM patients and the magnitude of the associations increased with longer T2DM duration. T2DM was also associated with an increased risk of aortic valve stenosis (HR 1.34; 95% CI 1.05-1.71) and with lower risk of abdominal aortic aneurysm (HR 0.57; 95% CI 0.40-0.82) and intracerebral hemorrhage (HR 0.51; 95% CI 0.30-0.88). Only long-term T2DM(>= 20 years) was associated with an increased risk of atrial fibrillation (HR 1.44; 95% CI 1.02-2.04).Conclusion: T1DM and T2DM are associated with increased risk of major CVD outcomes. Trial registration: The Cohort of Swedish Men and the Swedish Mammography Cohort are registered at clinicaltrials.gov as NCT01127711 and NCT01127698, respectively.
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10.
  • Sarajlic, Philip, et al. (författare)
  • Physical Activity Does Not Reduce Aortic Valve Stenosis Incidence
  • 2018
  • Ingår i: Circulation Journal. - 1346-9843 .- 1347-4820. ; 82:9, s. 2372-2374
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Physical activity is associated with lower risk of coronary and cerebrovascular disease but its potential role in prevention of aortic valve stenosis (AVS) is unclear.Methods and Results: We investigated whether physical activity influences AVS risk in a cohort of 69,288 adults. During a mean follow-up of 15.3 years, 1,238 AVS cases were diagnosed. No associations were observed between AVS and walking/bicycling (>= 1h/day vs. almost never: hazard ratio 0.92, 95% CI 0.74-1.15) or exercise (>= 4hs/week vs. <1 h/week: hazard ratio 1.18, 95% CI 0.97-1.43).Conclusions: Physical activity did not reduce the incidence of AVS.
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