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- Emerging Risk Factors, Collaboration, et al.
(författare)
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The Emerging Risk Factors Collaboration: analysis of individual data on lipid, inflammatory and other markers in over 1.1 million participants in 104 prospective studies of cardiovascular diseases
- 2007
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Ingår i: Eur J Epidemiol. - 0393-2990. ; 22:12, s. 839-69
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Tidskriftsartikel (refereegranskat)abstract
- Many long-term prospective studies have reported on associations of cardiovascular diseases with circulating lipid markers and/or inflammatory markers. Studies have not, however, generally been designed to provide reliable estimates under different circumstances and to correct for within-person variability. The Emerging Risk Factors Collaboration has established a central database on over 1.1 million participants from 104 prospective population-based studies, in which subsets have information on lipid and inflammatory markers, other characteristics, as well as major cardiovascular morbidity and cause-specific mortality. Information on repeat measurements on relevant characteristics has been collected in approximately 340,000 participants to enable estimation of and correction for within-person variability. Re-analysis of individual data will yield up to approximately 69,000 incident fatal or nonfatal first ever major cardiovascular outcomes recorded during about 11.7 million person years at risk. The primary analyses will involve age-specific regression models in people without known baseline cardiovascular disease in relation to fatal or nonfatal first ever coronary heart disease outcomes. This initiative will characterize more precisely and in greater detail than has previously been possible the shape and strength of the age- and sex-specific associations of several lipid and inflammatory markers with incident coronary heart disease outcomes (and, secondarily, with other incident cardiovascular outcomes) under a wide range of circumstances. It will, therefore, help to determine to what extent such associations are independent from possible confounding factors and to what extent such markers (separately and in combination) provide incremental predictive value.
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- Braekken, I H, et al.
(författare)
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Pelvic floor function is independently associated with pelvic organ prolapse.
- 2009
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Ingår i: BJOG : an international journal of obstetrics and gynaecology. - : Wiley. - 1471-0528 .- 1470-0328. ; 116:13, s. 1706-14
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Tidskriftsartikel (refereegranskat)abstract
- To investigate the risk factors for pelvic organ prolapse (POP), including physical activity, clinically measured joint mobility and pelvic floor muscle (PFM) function.
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- Dahlberg, Leif, et al.
(författare)
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A randomized, multicentre, double-blind, parallel-group study to assess the adverse event-related discontinuation rate with celecoxib and diclofenac in elderly patients with osteoarthritis.
- 2009
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Ingår i: Scandinavian Journal of Rheumatology. - : Informa UK Limited. - 1502-7732 .- 0300-9742. ; 38, s. 133-143
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To compare the adverse event (AE)-related discontinuation rate with celecoxib vs. diclofenac when given to reduce joint pain associated with knee or hip osteoarthritis (OA) in elderly patients. Methods: This was a double-blind, randomized, multicentre, parallel-group, 1-year comparison of celecoxib 200 mg once daily and diclofenac 50 mg twice daily in 925 patients with OA aged >/= 60 years. Study visits were at baseline and at 4, 13, 26, 39, and 52 weeks. At each visit, the Patient's and Physician's Global Assessment of Arthritis (PaGAA, PhGAA), the Patient's Assessment of Arthritis Pain - Visual Analogue Scale (PAAP-VAS), and AEs were assessed. A concomitant health economic analysis was conducted throughout. Results: The rate of study discontinuation due to AEs, laboratory abnormalities, and deaths was 27% for celecoxib and 31% for diclofenac (p = 0.22). The results of the arthritis/pain efficacy assessments were similar for celecoxib and diclofenac. Significantly fewer patients in the celecoxib group than the diclofenac group experienced cardiovascular/renal AEs (70/458 vs. 95/458, p = 0.039) or hepatic AEs (10/458 vs. 39/458, p<0.0001). Medication costs were higher for celecoxib than diclofenac but mean total treatment cost was slightly higher in the diclofenac group. Conclusion: Treatment with celecoxib 200 mg once daily and diclofenac 50 mg twice daily resulted in similar rates of AE-related study discontinuation in elderly patients with OA. Celecoxib and diclofenac demonstrated comparable efficacy in relieving the signs and symptoms of OA. However, the proportion of patients with cardiorenal and hepatic AEs was significantly lower in the celecoxib group than the diclofenac group.
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- Holme, I., et al.
(författare)
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Lipoprotein predictors of cardiovascular events in statin-treated patients with coronary heart disease. Insights from the Incremental Decrease in End-points through Aggressive Lipid-lowering Trial (IDEAL)
- 2008
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Ingår i: Annals of Medicine. - : Informa UK Limited. - 0785-3890 .- 1365-2060. ; 40:6, s. 456-464
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Tidskriftsartikel (refereegranskat)abstract
- Background. Few studies have looked into the ability of measurements of apolipoprotein B (apoB) and apolipoprotein A-1 (apoA-1) or apoB/apoA-1 to predict new coronary heart disease (CHD) events in patients with CHD on statin treatment. Aims. In the IDEAL trial, to compare lipoprotein components to predict CHD events and to what degree differences in those parameters could explain the observed outcome. Methods. We compared the ability of treatment with atorvastatin 80 mg/day to that of simvastatin 20-40 mg/day to prevent CHD events in patients with CHD and used Cox regression models to study the relationships between on-treatment levels of lipoprotein components to subsequent major coronary events (MCE). Findings. Variables related to low-density lipoprotein cholesterol (LDL-C) carried more predictive information than those related to high-density lipoprotein cholesterol (HDL-C), but LDL-C was less predictive than both non-HDL-C and apoB. The ratio of apoB to apoA-1 was most strongly related to MCE. However, for estimating differences in relative risk reduction between the treatment groups, apoB and non-HDL-C were the strongest predictors. Interpretation. The on-treatment level of apoB/apoA-1 was the strongest predictor of MCE in the pooled patient population, whereas apoB and non-HDL-C were best able to explain the difference in outcome between treatment groups. Measurements of apoB and apoA-1 should be more widely available for routine clinical assessments. © 2008 Informa UK Ltd. (Informa Healthcare, Taylor & Francis AS).
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- Pedersen, T R, et al.
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High-dose atorvastatin vs usual dose simvastatin for secondary prevention after myocardial infarction - The IDEAL study: A randomized controlled trial
- 2005
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Ingår i: Journal of the American Medical Association (JAMA). - : American Medical Association (AMA). - 0098-7484 .- 1538-3598. ; 294:19, s. 2437-2445
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Tidskriftsartikel (refereegranskat)abstract
- Context Evidence suggests that more intensive lowering of low-density lipoprotein cholesterol (LDL-C) than is commonly applied clinically will provide further benefit in stable coronary artery disease. Objective To compare the effects of 2 strategies of lipid lowering on the risk of cardiovascular disease among patients with a previous myocardial infarction (MI). Design, Setting, and Participants The IDEAL study, a prospective, randomized, open-label, blinded end-point evaluation trial conducted at 190 ambulatory cardiology care and specialist practices in northern Europe between March 1999 and March 2005 with a median follow-up of 4.8 years, which enrolled 8888 patients aged 80 years or younger with a history of acute MI. Interventions Patients were randomly assigned to receive a high dose of atorvastatin (80 mg/d; n=4439), or usual-dose simvastatin (20 mg/d; n=4449). Main Outcome Measure Occurrence of a major coronary event, defined as coronary death, confirmed nonfatal acute MI, or cardiac arrest with resuscitation. Results During treatment, mean LDL-C levels were 104 (SE, 0.3) mg/dL in the simvastatin group and 81 (SE, 0.3) mg/dL in the atorvastatin group. A major coronary event occurred in 463 simvastatin patients (10.4%) and in 411 atorvastatin patients (9.3%) (hazard ratio [HR], 0.89; 95% Cl, 0.78-1.01; P=.07). Nonfatal acute MI occurred in 321 (7.2%) and M7 (6.0%) in the 2 groups (HR, 0.83; 95% Cl, 0.71-0.98; P=.02), but no differences were seen in the 2 other components of the primary end point. Major cardiovascular events occurred in 608 and 533 in the 2 groups, respectively (HR, 0.87; 95% Cl, 0.77-0.98; P=.02). Occurrence of any coronary event was reported in 1059 simvastatin and 898 atorvastatin patients (HR, 0.84; 95% Cl, 0.76-0.91; Pless than.001). Non-cardiovascular death occurred in 156 (3.5%) and 143 (3.2%) in the 2 groups (HR, 0.92; 95% Cl, 0.73-1.15; P=.47). Death from any cause occurred in 374 (8.4%) in the simvastatin group and 366 (8.2%) in the atorvastatin group (HR, 0.98; 95% Cl, 0.85-1.13; P=.81). Patients in the atorvastatin group had higher rates of drug discontinuation due to nonserious adverse events; transaminase elevation resulted in 43 (1.0%) vs 5 (0.1%) withdrawals (Pless than.001). Serious myopathy and rhabdomyolysis were rare in both groups. Conclusions In this study of patients with previous MI, intensive lowering of LDL-C did not result in a significant reduction in the primary outcome of major coronary events, but did reduce the risk of other composite secondary end points and nonfatal acute MI. There were no differences in cardiovascular or all-cause mortality. Patients with MI may benefit from intensive lowering of LDL-C without an increase in noncardiovascular mortality or other serious adverse reactions.
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- Pedersen, T.R., et al.
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High-dose statins and the IDEAL study : Reply
- 2006
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Ingår i: Journal of the American Medical Association (JAMA). - : American Medical Association. - 0098-7484 .- 1538-3598. ; 295:21, s. 2478-2479
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Tikkanen, M.J., et al.
(författare)
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Comparison of Efficacy and Safety of Atorvastatin (80 mg) to Simvastatin (20 to 40 mg) in Patients Aged less than65 Versus =65 Years With Coronary Heart Disease (from the Incremental DEcrease through Aggressive Lipid Lowering [IDEAL] Study)
- 2009
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Ingår i: American Journal of Cardiology. - : Elsevier BV. - 0002-9149. ; 103:5, s. 577-582
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Tidskriftsartikel (refereegranskat)abstract
- The efficacy and safety of atorvastatin (80 mg/day) versus simvastatin (20 to 40 mg/day) in older (age =65 years) versus younger (less than65 years) patients were assessed in a prespecified secondary analysis of the 8,888 patients with myocardial infarction in the IDEAL trial, a randomized open-label study. Several cardiovascular end points were evaluated, including the occurrence of a first major coronary event (MCE; nonfatal myocardial infarction, coronary heart disease death, or resuscitated cardiac arrest), the primary end point of the trial, and occurrence of any cardiovascular event (MCE, stroke, revascularization, unstable angina, congestive heart failure, and peripheral artery disease). Although there were no significant interactions between age and treatment, the magnitude of effect in favor of atorvastatin was higher in younger versus older patients (occurrence of first MCE, hazard ratio [HR] 0.80, 95% confidence interval [CI] 0.66 to 0.98; and HR 0.95, 95% CI 0.80 to 1.15, respectively; occurrence of any cardiovascular (CV) event, HR 0.80, 95% CI 0.71 to 0.89; and HR 0.88, 95% CI 0.79 to 0.99, respectively). These results were likely influenced by adherence, which was lower in older patients and those receiving atorvastatin compared with those receiving simvastatin. Rates of any reported serious adverse event were higher in older patients, but did not differ between the 2 statin groups. In conclusion, except for any CV events in the older group, significant reductions in primary and secondary end points were observed only in patients less than65 years of age. The safety of atorvastatin (80 mg) and simvastatin (20 to 40 mg) was similar in patients aged less than65 and greater than65 years with stable coronary disease.
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- van, der Steeg W.A., et al.
(författare)
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High-Density Lipoprotein Cholesterol, High-Density Lipoprotein Particle Size, and Apolipoprotein A-I : Significance for Cardiovascular Risk. The IDEAL and EPIC-Norfolk Studies
- 2008
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Ingår i: Journal of the American College of Cardiology. - : Elsevier BV. - 0735-1097 .- 1558-3597. ; 51:6, s. 634-642
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: This study was designed to assess the relationship of high-density-lipoprotein cholesterol (HDL-C), HDL particle size, and apolipoprotein A-I (apoA-I) with the occurrence of coronary artery disease (CAD), with a focus on the effect of very high values of these parameters. Background: High plasma levels of HDL-C and apoA-I are inversely related to the risk of CAD. However, recent data suggest that this relationship does not hold true for very high HDL-C levels, particularly when a preponderance of large HDL particles is observed. Methods: We conducted a post-hoc analysis of 2 prospective studies: the IDEAL (Incremental Decrease in End Points through Aggressive Lipid Lowering, n = 8,888) trial comparing the efficacy of high-dose to usual-dose statin treatment for the secondary prevention of cardiovascular events, and the EPIC (European Prospective Investigation into Cancer and Nutrition)-Norfolk case-control study, including apparently healthy individuals who did (cases, n = 858) or did not (control patients, n = 1,491) develop CAD during follow-up. In IDEAL, only HDL-C and apoA-I were available, in EPIC-Norfolk, nuclear magnetic resonance spectroscopy-determined HDL particle sizes were also available. Results: In the IDEAL study, higher HDL-C proved a significant major cardiac event risk factor following adjustment for age, gender, smoking, apoA-I, and apoB. A similar association was observed for HDL particle size in EPIC-Norfolk. Increased risk estimates were particularly present in the high ends of the distributions. In contrast, apoA-I remained negatively associated across the major part of its distribution in both studies. Conclusions: When apoA-I and apoB are kept constant, HDL-C and HDL particle size may confer risk at very high values. This does not hold true for very high levels of apoA-I at fixed levels of HDL-C and apoB. These findings may have important consequences for assessment and treatment of CAD risk. © 2008 American College of Cardiology Foundation.
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