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Sökning: WFRF:(Hallmans Göran) > Weinehall Lars > Tidskriftsartikel

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11.
  • Hultdin, Johan, et al. (författare)
  • Prospective study of first stroke in relation to plasma homocysteine and MTHFR 677C > T and 1298A > C genotypes and haplotypes : evidence for an association with hemorrhagic stroke
  • 2011
  • Ingår i: Clinical Chemistry and Laboratory Medicine. - Berlin : Walter de Gruyter. - 1434-6621 .- 1437-4331. ; 49:9, s. 1555-1562
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Abnormalities in homocysteine metabolism have been suggested as risk factors for stroke. The aim of this prospective study was to examine whether total plasma homocysteine concentration (tHcy) and its main genetic determinant, methylene tetrahydrofolate reductase (MTHFR) polymorphisms, were associated with first ischemic or hemorrhagic stroke.Methods: This was a nested case-referent study of 321 ischemic and 60 hemorrhagic stroke cases, defined by WHO MONICA criteria and each matched with two event-free referents for sex, age, cohort, recruitment date and geographical area. All subjects were from the population-based Northern Sweden Health and Disease Study cohorts. Odds ratios were determined by conditional logistic regression.Results: The mean follow-up time was 4.2 years. Both tHcy and MTHFR were independent predictors of hemorrhagic stroke in multivariate models including body mass index, hypertension and, for MTHFR, tHcy [OR for the highest vs. lowest tHcy quartile 8.13 (95% CI 1.83-36.1), p(trend)=0.002; OR for MTHFR 677TT vs. 677CC genotype 3.62 (95% CI 0.77-17.0), p(trend)=0.040]. Haplotype analyses confirmed that the MTHFR 677T-1298A haplotype was positively associated with hemorrhagic stroke [OR 1.81 (95% CI 1.09-3.00), p=0.022], whereas the MTHFR 677C-1298C haplotype was not significantly related to either hemorrhagic or ischemic stroke. Neither tHcy nor the MTHFR polymorphisms were significant predictors of ischemic stroke.Conclusion: Both elevated plasma homocysteine levels and the MTHFR 677T allele are indicators of increased risk of hemorrhagic stroke in the northern Swedish population.
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13.
  • Klingberg, Sofia, 1979, et al. (författare)
  • Inverse relation between dietary intake of naturally occurring plant sterols and serum cholesterol in northern Sweden
  • 2008
  • Ingår i: American Journal of Clinical Nutrition. - New York, N.Y. : American Society for Clinical Nutrition. - 0002-9165 .- 1938-3207. ; 87:4, s. 993-1001
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Plant sterols are bioactive compounds, found in all vegetable foods, which inhibit cholesterol absorption. Little is known about the effect of habitual natural dietary intake of plant sterols. Objective: We investigated the relation between plant sterol density (in mg/MJ) and serum concentrations of cholesterol in men and women in northern Sweden. Design: The analysis included 37 150 men and 40 502 women aged 29–61 y, all participants in the Västerbotten Intervention Program. Results: Higher plant sterol density was associated with lower serum total cholesterol in both sexes and with lower LDL cholesterol in women. After adjustment for age, body mass index (in kg/m2), and (in women) menopausal status, men with high plant sterol density (quintile 5) had 0.15 mmol/L (2.6%) lower total serum cholesterol (P for trend = 0.001) and 0.13 mmol/L (3.1%) lower LDL cholesterol (P = 0.062) than did men with low plant sterol density (quintile 1). The corresponding figures for women were 0.20 mmol/L (3.5%) lower total serum cholesterol (P for trend < 0.001) and 0.13 mmol/L (3.2%) lower LDL cholesterol (Pfor trend = 0.001). Conclusions: The present study is the second epidemiologic study to show a significant inverse relation between naturally occurring dietary plant sterols and serum cholesterol. To the extent that the associations found truly mirror plant sterol intake and not merely a diet high in vegetable fat and fiber, it highlights the importance of considering the plant sterol content of foods both in primary prevention of cardiovascular disease and in the dietary advice incorporated into nutritional treatment of patients with hyperlipidemia.
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14.
  • Krachler, Benno, et al. (författare)
  • Fatty acid profile of the erythrocyte membrane preceding development of Type 2 diabetes mellitus
  • 2008
  • Ingår i: NMCD. Nutrition Metabolism and Cardiovascular Diseases. - : Elsevier BV. - 0939-4753 .- 1590-3729. ; 18:7, s. 503-10
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and aims: The respective roles of dietary fatty acids in the pathogenesis of diabetes are as yet unclear. Erythrocyte membrane fatty acid (EMFA) composition may provide an estimate of dietary fatty acid intake. This study investigates the relation between EMFA composition and development of Type 2 diabetes mellitus.Methods and results: In a nested case-referent design we studied 159 individuals tested as non-diabetic at baseline who after a mean observation time of 5.4 +/- 2.6 years were diagnosed with Type 2 diabetes mellitus and 291 sex- and age-matched referents. Higher proportions of pentadecanoic acid (15: 0) and heptadecanoic acid (17:0) were associated with a tower risk of diabetes. In accordance with earlier findings, higher proportions of palmitoleic (16:1 n-7), dihomo-gamma-linotenic (20:3 n-6) and adrenic (22:4 n-6) acids were associated with increased risk, whereas linoleic (18:2 n-6) and clupanodonic (22:5 n-3) acids were inversely associated with diabetes. After adjustment for BMI, HbA1c, alcohol intake, smoking and physical activity the only significant predictors were 15:0 and 17:0 as protective factors and 22:4 n6 as risk factor.Conclusion: In accordance with previous studies, our results indicate that EMFA-patterns predict development of Type 2 diabetes mellitus. The inverse association with two saturated fatty acids, previously shown to reflect consumption of dairy products, is a new finding.
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15.
  • Larsson, B, et al. (författare)
  • Cardiovascular disease risk factors and dental caries in adolescents: effect of a preventive program in Northern Sweden (the Norsjö project).
  • 1997
  • Ingår i: Acta Paediatrica. - : Wiley. - 0803-5253 .- 1651-2227. ; 86:1, s. 63-71
  • Tidskriftsartikel (refereegranskat)abstract
    • Since 1985 a 10 year prevention programme aiming to reduce cardiovascular diseases (CVD) has been running in the county of Västerbotten in Northern Sweden. The project started in Norsjö. The present investigation is a study on dietary intake, medical CVD risk factors and dental caries in five cross-sectional groups of 15-year-olds during 5 years (1987-1991) of the "Norsjö project". Most of the measured medical and dietary variables followed a similar trend, i.e. a positive trend during the first 3 years (1987-1989) and in the last 2 years (1990-1991) the averages returned towards baseline values. Dental caries prevalence followed a similar trend. Parental educational level did not have a major influence on diet or medical CVD risk factors, but higher caries scores were noted in adolescents with parents with "low" education compared with adolescents where the parents had higher educational levels. The results from the study also point to the fact that dental caries prevalence together with body mass index may indicate adolescents with CVD risk factors at unfavourable levels. Dietary counselling by dental personnel to adolescents with high caries and moderate obesity can be of advantage in reducing caries risk, as well as risk for development of CVD at higher ages.
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16.
  • Lindahl, Bernt, et al. (författare)
  • Trends in lifestyle 1986-99 in a 25- to 64-year-old population of the Northern Sweden MONICA project.
  • 2003
  • Ingår i: Scandinavian Journal of Public Health. Supplement. - : SAGE Publications. - 1403-4956 .- 1403-4948 .- 1651-1905. ; 61, s. 31-7
  • Tidskriftsartikel (refereegranskat)abstract
    • AIMS: The authors explore the time trends in lifestyle factors in the Northern Sweden MONICA population, including physical activity, intake of certain foods, coffee and alcohol consumption, smoking, and the use of smokeless tobacco. METHODS: Four health surveys during a 14-year time span were compared (1986, 1990, 1994, and 1999). The participation rate in all surveys was high. A questionnaire with similar or comparable questions about lifestyle factors was used across all health surveys. RESULTS: A large variation was demonstrated in the consumption of saturated fat in dairy products across the surveys. The use of butter on bread and of 3% fat milk clearly declined in favour of using low-fat margarine and 1-1.5% fat milk. A decline in the intake of boiled or baked potatoes together with an increase in the intake of pasta and rice was demonstrated. There were no changes in leisure-time physical activity. The proportion of the population using tobacco was unaltered. In men, smoking declined during the period but simultaneously there was an increase in the use of smokeless tobacco. The use of "boiled" or Scandinavian coffee diminished and more frequent use of alcohol was seen, especially in men. CONCLUSION: Pronounced changes were seen in food consumption with a decrease in saturated fat intake, boiled coffee, and potatoes and an increase in alcohol, rice, and pasta consumption. No clear time trends were found in physical activity or in the use of tobacco.
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17.
  • Norberg, Margareta, et al. (författare)
  • Components of metabolic syndrome predicting diabetes : no role of inflammation or dyslipidemia.
  • 2007
  • Ingår i: Obesity. - : Wiley. - 1930-7381 .- 1930-739X. ; 15:7, s. 1875-85
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: The diagnostic criteria and the clinical usefulness of the metabolic syndrome (MetSy) are currently questioned. The objective was to describe the structure of MetSy and to evaluate its components for prediction of diabetes type 2 (T2DM).RESEARCH METHODS AND PROCEDURES: This was a case-referent study nested within a population-based health survey. Among 33,336 participants, we identified 177 initially non-diabetic individuals who developed T2DM after 0.1 to 10.5 years (mean, 5.4 years), and, for each diabetes case, two referents matched for sex, age, and year of health survey. Baseline variables included oral glucose tolerance test, BMI, blood pressure, blood lipids, adipokines, inflammatory markers, insulin resistance, and beta-cell function. Exploratory and confirmative factor analyses were applied to hypothesize the structure of the MetSy. The prediction of T2DM by the different factors was evaluated by multivariate logistic regression analysis.RESULTS: A hypothetical five-factor model of intercorrelated composite factors was generated. The inflammation, dyslipidemia, and blood pressure factors were predicitive only in univariate analysis. In multivariable analyses, two factors independently and significantly predicted T2DM: an obesity/insulin resistance factor and a glycemia factor. The composite factors did not improve the prediction of T2DM compared with single variables. Among the original variables, fasting glucose, proinsulin, BMI, and blood pressure values were predictive of T2DM.DISCUSSION: Our data support the concept of a MetSy, and we propose five separate clusters of components. The inflammation and dyslipidemia factors were not independently associated with diabetes risk. In contrast, obesity and accompanying insulin resistance and beta-cell decompensation seem to be two core perturbations promoting and predicting progression to T2DM.
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18.
  • Nyholm, Maria, et al. (författare)
  • Exploring dietary patterns, obesity and sources of bias: the Västerbotten Intervention Programme (VIP).
  • 2013
  • Ingår i: Public Health Nutrition. - 1368-9800 .- 1475-2727. ; 16:4, s. 631-638
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective Dietary patterns capture the overall diet and thereby provide information on how nutrients are consumed in combinations, and have been suggested to be a better method than studying single nutrients. The present study explored the relationship between dietary patterns at baseline and incidence of obesity at 10-year follow-up in women. Design A longitudinal study using baseline measurements from 1992–1996, including food intake, medication, heredity, socio-economic status, lifestyle and measured body composition, and follow-up data collected in 2002–2006 including measured body composition. Setting Data from the Västerbotten Intervention Programme (VIP) in Sweden. Subjects A total of 6545 initially non-obese women aged 30–50 years. Results Among women reporting plausible energy intakes, the ‘Fruit and vegetables cluster’ predicted the highest incidence of obesity (OR = 1·76, 95 % CI 1·11, 2·76; P = 0·015) compared with women in the other food pattern groups combined. When adjusting for metabolic factors and BMI at baseline, the risk for obesity in the ‘Fruit and vegetables cluster’ was attenuated to non-significance. In contrast, high intake of fruit per se was associated with a decreased risk of developing obesity (OR = 0·69, 95 % CI 0·51, 0·91; P = 0·010). Conclusions Dietary pattern groups identified by cluster analysis are likely to reflect characteristics in addition to diet, including lifestyle, previous and current health status and risk factors for future disease, whereas intake of fruit per se was a stable indicator and less affected by baseline characteristics. These results underscore the need for complementary methods in understanding diet–disease relationships.
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