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Sökning: WFRF:(Devereux G) > Göteborgs universitet

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1.
  • Gregson, J., et al. (författare)
  • Cardiovascular Risk Factors Associated With Venous Thromboembolism
  • 2019
  • Ingår i: JAMA Cardiology. - : American Medical Association (AMA). - 0965-2590 .- 2380-6583 .- 2380-6591. ; 4:2, s. 163-173
  • Tidskriftsartikel (refereegranskat)abstract
    • IMPORTANCE It is uncertain to what extent established cardiovascular risk factors are associated with venous thromboembolism (VTE). OBJECTIVE To estimate the associations of major cardiovascular risk factors with VTE, ie, deep vein thrombosis and pulmonary embolism. DESIGN, SETTING, AND PARTICIPANTS This study included individual participant data mostly from essentially population-based cohort studies from the Emerging Risk Factors Collaboration (ERFC; 731728 participants; 75 cohorts; years of baseline surveys, February 1960 to June 2008; latest date of follow-up, December 2015) and the UK Biobank (421537 participants; years of baseline surveys, March 2006 to September 2010; latest date of follow-up, February 2016). Participants without cardiovascular disease at baseline were included. Data were analyzed from June 2017 to September 2018. MAIN OUTCOMES AND MEASURES Hazard ratios (HRs) per 1-SD higher usual risk factor levels (or presence/absence). Incident fatal outcomes in ERFC (VTE, 1041; coronary heart disease [CND], 25131) and incident fatal/nonfatal outcomes in UK Biobank (VTE, 2321; CHD, 3385). Hazard ratios were adjusted for age, sex, smoking status, diabetes, and body mass index (BMI). RESULTS Of the 731728 participants from the ERFC. 403 396 (55.1%) were female, and the mean (SD) age at the time of the survey was 51.9 (9.0) years; of the 421537 participants from the UK Biobank, 233 699 (55.4%) were female, and the mean (SD) age at the time of the survey was 56.4 (8.1) years. Risk factors for VTE included older age (ERFC: HR per decade, 2.67; 95% CI, 2.45-2.91; UK Biobank: HR, 1.81; 95% CI, 1.71-1.92), current smoking (ERFC: HR, 1.38; 95% CI, 1.20-1.58; UK Biobank: HR, 1.23; 95% CI, 1.08-1.40), and BMI (ERFC: HR per 1-SD higher BMI, 1.43; 95% CI, 1.35-1.50; UK Biobank: HR, 1.37; 95% CI, 1.32-1.41). For these factors, there were similar HRs for pulmonary embolism and deep vein thrombosis in UK Biobank (except adiposity was more strongly associated with pulmonary embolism) and similar HRs for unprovoked vs provoked VTE. Apart from adiposity, these risk factors were less strongly associated with VTE than CHD. There were inconsistent associations of VTEs with diabetes and blood pressure across ERFC and UK Biobank, and there was limited ability to study lipid and inflammation markers. CONCLUSIONS AND RELEVANCE Older age, smoking, and adiposity were consistently associated with higher VTE risk.
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2.
  • Chinali, M., et al. (författare)
  • Mitral E wave deceleration time to peak E velocity ratio and cardiovascular outcome in hypertensive patients during antihypertensive treatment (from the LIFE echo-substudy)
  • 2009
  • Ingår i: The American Journal of Cardiology. - : Elsevier BV. - 1879-1913 .- 0002-9149. ; 104:8, s. 1098-104
  • Tidskriftsartikel (refereegranskat)abstract
    • The early mitral flow deceleration time (DTE) is a prognostically validated marker of left ventricular diastolic dysfunction. It has been reported that the DTE is influenced by the loading conditions, which can vary during antihypertensive treatment. We hypothesized that normalization of the DTE for mitral peak E-velocity (mitral deceleration index [MDI]) might better predict incident cardiovascular (CV) events in hypertensive patients during treatment compared to DTE alone or other traditional indexes of diastolic function, such as the mitral E/A ratio. We evaluated 770 hypertensive patients with electrocardiogram findings of left ventricular hypertrophy (age 66 +/- 7 years; 42% women) enrolled in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) echocardiographic substudy. Echocardiographic examinations were performed annually for 5 years during intensive antihypertensive treatment. We examined the utility of the MDI at baseline and as a time-varying predictor of incident CV events. Of the 770 patients, 70 (9%) had CV events. The baseline MDI was positively associated with age and relative wall thickness and negatively associated with gender and heart rate (all p <0.01). Unadjusted Cox regression analysis showed a positive association between the baseline MDI and CV events (hazard ratio 1.21, 95% confidence interval 1.07 to 1.37, p = 0.002). In the time-varied Cox models, a greater in-treatment MDI was associated with a greater rate of CV events (hazard ratio 1.43, 95% confidence interval 1.05 to 1.93, p = 0.022), independently of the covariates. No significant association was found for in-treatment DTE or any of the prognostically validated indexes of diastolic function. In conclusion, in our population of patients with treated hypertension with electrocardiographic findings of left ventricular hypertrophy, the MDI independently predicted future CV events. Normalization of DTE for E velocity might be preferred to other traditional diastolic function indexes in evaluating diastolic function during antihypertensive treatment.
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3.
  • de Simone, G., et al. (författare)
  • Body build and risk of cardiovascular events in hypertension and left ventricular hypertrophy: the LIFE (Losartan Intervention For Endpoint reduction in hypertension) study
  • 2005
  • Ingår i: Circulation. - 1524-4539. ; 111:15, s. 1924-31
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Obesity may independently increase the risk of adverse events in hypertension with target-organ damage. We investigated whether body build was independently associated with higher cardiovascular risk and whether treatment with losartan relative to atenolol influenced the impact of body build on the primary composite end point of cardiovascular death, stroke, and myocardial infarction and on cardiovascular death in patients with hypertension and left ventricular hypertrophy in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study. METHODS AND RESULTS: The population of 9079 patients was divided as follows: thin (body mass index [BMI] <20 kg/m2, 2%), normal weight (BMI 20 to 24.9, 24%), overweight (BMI 25 to 29.9, 45%), and obese (class I: BMI 30 to 34.9, 21%; class II: BMI 35 to 39.9, 6%; class III: BMI > or =40, 2%). Incident diabetes increased progressively with BMI and was somewhat higher in the atenolol arm. Differences in gender and race were detected among the body build groups. Rates (Cox proportional hazard analysis) of the primary composite end point did not differ among body build groups after adjustment for age, gender, race, smoking habit, prevalent cardiovascular disease, and left ventricular hypertrophy. Cardiovascular death was more frequent among thin (P<0.05) and pooled class II-III obesity (both P<0.04) than normal-weight groups. Risk was not attenuated significantly by losartan treatment, nor did it interfere with the greater benefit of losartan- as opposed to atenolol-based treatment. CONCLUSIONS: In the LIFE study, stratification for classes of body build identified increased risk of cardiovascular mortality in both thin and moderately-to-severely obese individuals. This risk was not attenuated significantly by losartan treatment, nor did it interfere with the greater benefit of losartan-based treatment as opposed to atenolol-based treatment.
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4.
  • Julius, S., et al. (författare)
  • Cardiovascular risk reduction in hypertensive black patients with left ventricular hypertrophy: the LIFE study
  • 2004
  • Ingår i: J Am Coll Cardiol. - 0735-1097. ; 43:6, s. 1047-55
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES: We report on a subanalysis of the effects of losartan and atenolol on cardiovascular events in black patients in the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study. BACKGROUND: The LIFE study compared losartan-based to atenolol-based therapy in 9,193 hypertensive patients with left ventricular hypertrophy (LVH). Overall, the risk of the primary composite end point (cardiovascular death, stroke, myocardial infarction) was reduced by 13% (p = 0.021) with losartan, with similar blood pressure (BP) reduction in both treatment groups. There was a suggestion of interaction between ethnic background and treatment (p = 0.057). METHODS: Exploratory analyses were performed that placed LIFE study patients into black (n = 533) and non-black (n = 8,660) categories, overall, and in the U.S. (African American [n = 523]; non-black [n = 1,184]). RESULTS: A significant interaction existed between the dichotomized groups (black/non-black) and treatment (p = 0.005); a test for qualitative interaction was also significant (p = 0.016). The hazard ratio (losartan relative to atenolol) for the primary end point favored atenolol in black patients (1.666 [95% confidence interval (CI) 1.043 to 2.661]; p = 0.033) and favored losartan in non-blacks (0.829 [95% CI 0.733 to 0.938]; p = 0.003). In black patients, BP reduction was similar in both groups, and regression of electrocardiographic-LVH was greater with losartan. CONCLUSIONS: Results of the subanalysis are sufficient to generate the hypothesis that black patients with hypertension and LVH might not respond as favorably to losartan-based treatment as non-black patients with respect to cardiovascular outcomes, and do not support a recommendation for losartan as a first-line treatment for this purpose. The subanalysis is limited by the relatively small number of events.
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5.
  • Terfa, Z. G., et al. (författare)
  • Household food insecurity, maternal nutrition, environmental risks and infants' health outcomes: protocol of the IMPALA birth cohort study in Uganda
  • 2022
  • Ingår i: Bmj Open. - : BMJ. - 2044-6055. ; 12:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction In low- and middle-income countries (LMICs), food insecurity and undernutrition disproportionately affect women of reproductive age, infants and young children. The disease burden from undernutrition in these vulnerable sections of societies remains a major concern in LMICs. Biomass fuel use for cooking is also common in LMICs. Empirical evidence from high-income countries indicates that early life nutritional and environmental exposures and their effect on infant lung function are important; however, data from sub-Saharan Africa are scarce. Aim To estimate the association between infant lung function and household food insecurity, energy poverty and maternal dietary diversity. Methods and analysis Pregnant women will be recruited in an existing Health and Demographic Surveillance Site in South-West Uganda. Household food insecurity, sources and uses of energy, economic measures and maternal dietary diversity will be collected during pregnancy and after birth. Primary health outcomes will be infant lung function determined by tidal breath flow and volume analysis at 6-10 weeks of age. Infant weight and length will also be collected. A household Food Consumption Score and Minimum Dietary Diversity for Women (MDD-W) indicator will be constructed. The involved cost of dietary diversity will be estimated based on MDD-W. The association between household level and mothers' food access indicators and infant lung function will be evaluated using regression models. The Multidimensional Energy Poverty Index (MEPI) will be estimated and used as an indicator of households' environmental exposures. The association between household MEPI and infant lung function will be assessed using econometric models. Ethics and dissemination Ethical approvals have been obtained from Liverpool School of Tropical Medicine (18-059), the Uganda Virus Research Institute Ethics Committee (097/2018) and Uganda National Council for Science and Technology (SS 4846). Study results will be shared with participants, policy-makers, other stakeholders and published in peer-reviewed journals.
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6.
  • Wachtell, K., et al. (författare)
  • Relation of impaired left ventricular filling to systolic midwall mechanics in hypertensive patients with normal left ventricular systolic chamber function: the Losartan Intervention for Endpoint Reduction in Hypertension (LIFE) study
  • 2004
  • Ingår i: Am Heart J. - 1097-6744. ; 148:3, s. 538-44
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Patients with hypertensive left ventricular (LV) hypertrophy commonly have diastolic dysfunction with preserved LV ejection fraction. LV systolic midwall shortening (MWS) may be impaired in hypertensive patients with normal LV ejection fraction. However, it is unclear whether impaired LV filling is related to depressed systolic midwall mechanics. METHODS: Echocardiographic measures of LV diastolic filling and systolic performance were compared in 632 unmedicated patients with stage II or III hypertension and LV hypertrophy determined by electrocardiogram, with LV ejection fraction >55% and <2+ mitral regurgitation. RESULTS: Stress-corrected LV MWS, an index of myocardial contractility, was lower in patients with abnormal as opposed to normal LV filling patterns (98% +/- 12% vs 102% +/- 10%, P <.001) and in patients with prolonged as opposed to normal isovolumic relaxation time (IVRT) (98% +/- 13% vs 101% +/- 12%, P =.014). Stress-corrected MWS was <85% of predicted levels in more patients with abnormal LV filling patterns (11.8% vs 6.3%) or with long IVRT (> or =105 msec) (34% vs 21%, both P <.05). In regression analyses, lower stress-corrected MWS and higher LV mass were independent correlates of longer IVRT, while lower stress-corrected MWS was the only independent correlate of prolonged mitral valve deceleration time (P =.017). Higher LV mass had strong, statistically independent relationships to longer IVRT (by 0.3 g/msec) and decreased stress-corrected MWS (by 0.5 g/%; both P <.0001), independent of body size and age. CONCLUSION: In patients with moderate hypertension and target organ damage who have normal LV ejection fraction, impaired early diastolic LV relaxation (abnormal E/A ratio, prolonged IVRT and deceleration time) is associated with impaired LV systolic midwall mechanics independent of higher LV mass.
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7.
  • Cicala, S., et al. (författare)
  • Are coronary revascularization and myocardial infarction a homogeneous combined endpoint in hypertension trials? The Losartan Intervention For Endpoint reduction in hypertension study
  • 2010
  • Ingår i: Journal of Hypertension. - 0263-6352 .- 1473-5598. ; 28:6, s. 1134-1140
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Construction of prognostically relevant endpoints for clinical trials in hypertension has increasingly included coronary revascularization with myocardial infarction (MI) as manifestations of coronary artery disease. However, whether coronary revascularization and MI predict other cardiovascular events similarly is unknown. METHODS: We examined risks of cardiovascular death, all-cause death, and stroke following MI or coronary revascularization in hypertensive patients with left ventricular hypertrophy (LVH) enrolled in the Losartan Intervention For Endpoint reduction in hypertension study (LIFE). We studied 9113 patients after excluding those who died within 7 days after MI or underwent coronary revascularization within 24 h after MI. RESULTS: In multivariate Cox regression adjusting for participating countries, time-varying systolic blood pressure, and Framingham risk score, hazard ratios for cardiovascular death, all-cause death, and stroke were, respectively, 4.5 (P<0.0001), 2.9 (P<0.0001), and 1.9 (P=0.003) in 321 patients with MI as first event. In similar models, coronary revascularization as first event (n=202) was not associated with increased risks of cardiovascular death, all-cause death, and stroke (P=0.06-0.86). CONCLUSION: During follow-up of hypertensive patients with LVH, occurrence of MI but not coronary revascularization as first cardiovascular event significantly increased risk of subsequent cardiovascular death, all-cause death, and stroke. In view of differences in prognostic implications, when the goal is to have a prognostically relevant composite endpoint for trials in hypertensive patients, caution should be used in combining coronary revascularization with MI.
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8.
  • Dahlöf, Björn, 1953, et al. (författare)
  • Population impact of losartan use on stroke in the European Union (EU): projections from the Losartan Intervention For Endpoint reduction in hypertension (LIFE) study
  • 2004
  • Ingår i: J Hum Hypertens. - 0950-9240. ; 18:6, s. 367-73
  • Tidskriftsartikel (refereegranskat)abstract
    • The Losartan Intervention for Endpoint reduction in hypertension (LIFE) study was designed to compare losartan- vs atenolol-based antihypertensive treatment on cardiovascular morbidity and mortality in a population of 9193 hypertensive patients with left ventricular hypertrophy (LVH). In LIFE, the losartan-based treatment further reduced the primary composite end point (cardiovascular death, myocardial infarction, or stroke) by 13% (risk reduction (RR) 0.87, 95% confidence interval (CI) 0.77-0.98, P=0.021). The further reduction in stroke with losartan (RR 0.75, 95% CI 0.63-0.89, P=0.001) was the major contributing factor to the reduction in the primary end point. Our objective was to project the reduction in stroke observed with a losartan- vs an atenolol-based antihypertensive treatment regimen in the LIFE study to the European Union (EU) population. The number of stroke events averted was estimated by identifying the number of persons in the EU expected to meet the LIFE inclusion criteria, and multiplying this figure by the cumulative incidence risk difference in stroke from LIFE at 5.5 years. The age- and gender-specific prevalence of hypertension, electrocardiographically (ECG)-diagnosed LVH among those with hypertension (inclusion criteria), and heart failure among those with LVH and hypertension (exclusion criteria) were applied to the EU census estimates. We conservatively projected that an estimated 7.8 million individuals aged 55-80 years in the EU are affected by hypertension and ECG-diagnosed LVH. Use of a losartan-based antihypertensive treatment in this population is projected to prevent approximately 125 000 first strokes over a 5.5-year period. A population-wide prevention strategy of using losartan in patients with LVH and hypertension has the potential to have a major public health impact by reducing the morbidity and mortality of stroke in the EU.
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9.
  • de Simone, G., et al. (författare)
  • Clusters of metabolic risk factors predict cardiovascular events in hypertension with target-organ damage: the LIFE study
  • 2007
  • Ingår i: J Hum Hypertens. - : Springer Science and Business Media LLC. - 0950-9240. ; 21:8, s. 625-32
  • Tidskriftsartikel (refereegranskat)abstract
    • The relation of metabolic syndrome (MetS) with cardiovascular outcome may be less evident when preclinical cardiovascular disease is present. We explored, in a post hoc analysis, whether MetS predicts cardiovascular events in hypertensive patients with electrocardiographic left ventricular hypertrophy (ECG-LVH) in the Losartan Intervention For Endpoint (LIFE) reduction in hypertension study. MetS was defined by >or=2 risk factors plus hypertension: body mass index >or=30 kg/m(2), high-density lipoprotein (HDL)-cholesterol <1.0/1.3 mmol/l (<40/50 mg/dl) (men/women), glucose >or=6.1 mmol/l (>or=110 mg/dl) fasting or >or=7.8 mmol/l (>or=140 mg/dl) nonfasting or diabetes. Cardiovascular death and the primary composite end point (CEP) of cardiovascular death, stroke and myocardial infarction were examined. In MetS (1,591 (19.3%) of 8,243 eligible patients), low HDL-cholesterol (72%), obesity (77%) and impaired glucose (73%) were similarly prevalent, with higher blood pressure, serum creatinine and Cornell product, but lower Sokolow-Lyon voltage (all P<0.001). After adjusting for baseline covariates, hazard ratios for CEPs and cardiovascular death (4.8+/-1.1 years follow-up) were 1.47 (95% confidence interval (CI), 1.27-1.71)- and 1.73 (95% CI, 1.38-2.17)-fold higher with MetS (both P<0.0001), and were only marginally reduced when further adjusted for diabetes, obesity, low HDL-cholesterol, non-HDL-cholesterol, pulse pressure and in-treatment systolic blood pressure and heart rate. Thus, MetS is associated with increased cardiovascular events in hypertensive patients with ECG-LVH, independently of single cardiovascular risk factors.
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10.
  • Eijkelkamp, W. B., et al. (författare)
  • Renal function and risk for cardiovascular events in type 2 diabetic patients with hypertension: the RENAAL and LIFE studies
  • 2007
  • Ingår i: J Hypertens. - 0263-6352. ; 25:4, s. 871-6
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To investigate whether a threshold exists for cardiovascular risk in type 2 diabetic patients with hypertension, the association between renal function and cardiovascular risk was examined across the entire physiological range of serum creatinine. DESIGN AND METHODS: The RENAAL and LIFE studies enrolled 1513 and 1195 patients with type 2 diabetes and hypertension, respectively. The relationship between baseline serum creatinine and the risk for a composite outcome of myocardial infarction, stroke or cardiovascular death was examined using Cox regression models. To adjust for heterogeneity between studies and treatment groups, these factors were included as strata when applicable. The analyses were conducted with adjustment for age, gender, smoking, alcohol use, blood pressure, heart rate, total and high-density lipoprotein (HDL) cholesterol, hemoglobin, albuminuria and prior cardiovascular disease. RESULTS: The hazard ratios across the baseline serum creatinine categories < 0.9 mg/dl, 0.9-1.2 mg/dl, 1.2-1.6 mg/dl, 1.6-2.8 mg/dl and >or= 2.8 mg/dl were 0.51 (95% confidence interval 0.34, 0.74), 0.74 (0.55, 1.00), 1.00 (reference), 1.24 (0.96, 1.59) and 1.67 (1.17, 2.91), respectively. Baseline serum creatinine (per mg/dl) strongly predicted the composite cardiovascular endpoint in LIFE [2.82(1.74,4.56), P < 0.001], RENAAL [1.41(1.12,1.79), P < 0.001], as well as the combined studies [1.51(1.21,1.87), P < 0.001]. CONCLUSION: A progressively higher risk for the composite cardiovascular endpoint was observed with incremental baseline serum creatinine in type 2 diabetic patients with hypertension, even within the normal range. Thus, there appears to be no serum creatinine threshold level for an increased cardiovascular risk. Baseline serum creatinine was a major independent risk factor for cardiovascular disease (www.ClinicalTrials.gov number NCT00308347).
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