Niacin for primary and secondary prevention of cardiovascular events.
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ABSTRACT:
SUBMITTER: Schandelmaier S
PROVIDER: S-EPMC6481694 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Randomised controlled trials have shown a neutral or even unfavourable risk-benefit balance of aspirin for primary prevention of cardiovascular events. Using Danish nationwide registries, we investigated aspirin use and associated risks during the past two decades (1998-2018). We linked individual patient data on repeated aspirin redemptions with registered hospital ICD-10 diagnoses of atherosclerotic cardiovascular disease and bleedings. The prevalence of aspirin use among 1.1 million Danish adults fluctuated over the 20-year study period peaking in 2008 with 8.5% (5.4% primary prevention) and dropping to 5.1% (3.1% primary prevention) in 2018. Aspirin use showed strong age dependency, and 21% of individuals > 80 years were treated with aspirin for primary prevention in 2018. Medication adding to bleeding risk was used concurrently by 21% of all aspirin users in 2018. The incidence of major bleedings were similar with primary and secondary prevention aspirin use and highest in elderly (2 per 100 patient years among individuals > 80 years in 2018). In conclusion, low-dose aspirin use for primary prevention of cardiovascular events remains prevalent. The widespread use of aspirin, especially among older adults, and substantial concomitant use of medications adding to bleeding risk warrant increased focus on discontinuation of inappropriate aspirin use.
| S-EPMC8245534 | biostudies-literature
Project description:BACKGROUND:Canagliflozin is a sodium glucose cotransporter 2 inhibitor that significantly reduces the composite of cardiovascular death, nonfatal myocardial infarction, or nonfatal stroke in patients with type 2 diabetes mellitus and elevated cardiovascular risk. The comparative effects among participants with and without a history of cardiovascular disease (secondary versus primary prevention) were prespecified for evaluation. METHODS:The CANVAS Program (Canagliflozin Cardiovascular Assessment Study) randomly assigned 10?142 participants with type 2 diabetes mellitus to canagliflozin or placebo. The primary prevention cohort comprised individuals ?50 years of age with ?2 risk factors for cardiovascular events but with no prior cardiovascular event, and the secondary prevention cohort comprised individuals ?30 years of age with a prior cardiovascular event. The primary end point was a composite of cardiovascular death, nonfatal myocardial infarction, or nonfatal stroke. Secondary outcomes included heart failure hospitalization and a renal composite (40% reduction in estimated glomerular filtration rate, renal replacement therapy, or renal death). RESULTS:Primary prevention participants (N=3486; 34%) were younger (63 versus 64 years of age), were more often female (45% versus 31%), and had a longer duration of diabetes mellitus (14 versus 13 years) compared with secondary prevention participants (N=6656; 66%). The primary end point event rate was higher in the secondary prevention group compared with the primary prevention group (36.9 versus 15.7/1000 patient-years, P<0.001). In the total cohort, the primary end point was reduced with canagliflozin compared with placebo (26.9 versus 31.5/1000 patient-years; hazard ratio [HR], 0.86; 95% confidence interval [CI], 0.75-0.97; P<0.001 for noninferiority, P=0.02 for superiority) with no statistical evidence of heterogeneity (interaction P value=0.18) between the primary (HR, 0.98; 95% CI, 0.74-1.30) and secondary prevention (HR, 0.82; 95% CI, 0.72-0.95) cohorts. Renal outcomes (HR, 0.59; 95% CI, 0.44-0.79 versus HR, 0.63; 95% CI, 0.39-1.02; interaction P value=0.73) and heart failure hospitalization (HR, 0.68; 95% CI, 0.51-0.90 versus HR, 0.64; 95% CI, 0.35-1.15; interaction P value=0.91) were similarly reduced in the secondary and primary prevention cohorts, respectively. Lower extremity amputations were similarly increased in the secondary and primary prevention cohorts (HR, 2.07; 95% CI, 1.43-3.00 versus HR, 1.52; 95% CI, 0.70-3.29; interaction P value=0.63). CONCLUSIONS:Patients with type 2 diabetes mellitus and prior cardiovascular events had higher rates of cardiovascular outcomes compared with the primary prevention patients. Canagliflozin reduced cardiovascular and renal outcomes with no statistical evidence of heterogeneity of the treatment effect across the primary and secondary prevention groups. Additional studies will provide further insights into the effects of canagliflozin in these patient populations. CLINICAL TRIAL REGISTRATION:URL: https://www.clinicaltrials.gov. Unique identifiers: NCT01032629 and NCT01989754.
| S-EPMC5777572 | biostudies-literature
Project description:BackgroundInfluenza is a common respiratory infection that may cause complications, including cardiovascular events. Influenza illness has been shown to double the risk of myocardial infarction, with the highest risk among patients with established cardiovascular disease. Vaccination against influenza has been associated with reductions in myocardial infarction, cerebrovascular disease, and death.ObjectiveTo evaluate the evidence for influenza vaccination as a strategy to reduce cardiovascular events specifically in patients with established cardiovascular disease.Data sources and study selectionMEDLINE, Embase, and the Cochrane Central Register of Controlled Trials were searched with the terms "influenza vaccine" and "cardiovascular disease". Included in this review were randomized controlled trials (RCTs), nonrandomized studies, and meta-analyses that compared influenza vaccination against control in patients with established cardiovascular disease and that reported clinically meaningful cardiovascular outcomes (defined as cardiovascular death, myocardial infarction, and stroke).Data extraction and synthesisThe search yielded 10 studies (3 nonrandomized studies, 5 RCTs, and 2 meta-analyses). The nonrandomized studies and the RCTs had inconsistent results with respect to cardiovascular death and adverse cardiovascular events. The 2 meta-analyses, which included the same 4 RCTs involving patients with established cardiovascular disease, showed that the influenza vaccine reduced cardiovascular death by about 50% relative to control. Vaccination also reduced major cardiovascular events by about 43%; the reduction was greater (54%) in the subgroup of patients with recent (≤ 1 year) acute coronary syndrome. However, these data are potentially confounded by small sample sizes, low event rates, and variable outcome reporting. There was also high clinical heterogeneity among the studies, which may not reflect contemporary practice.ConclusionsGiven the limitations of these data, it is unclear whether the cardiovascular benefit with influenza vaccination in patients with cardiovascular disease is a true effect. Nevertheless, because of the potential benefit and the low risk of adverse events, the annual influenza vaccine should be recommended for all patients with established cardiovascular disease.
| S-EPMC5358055 | biostudies-literature
Project description:To explore the psychosocial determinants and interhospital variability on a major acute cardiovascular event (MACE), during follow-up of a multicenter cohort of patients hospitalised with heart disease, participating in a nurse-led secondary prevention programme.Outcome data were retrospectively analysed from 602 cardiac inpatients randomised to postdischarge standard care (n=296), or home-based intervention (n=306), with prolonged follow-up of individualised multidisciplinary support. Baseline psychosocial profiling comprised depressive status, health-related quality of life (HRQoL), social isolation and mild cognitive impairment (MCI). Multivariate analyses examined the independent correlates of a composite 2-year MACE rate of all-cause mortality and unplanned cardiovascular-related hospitalisation, according to gender.Participants were aged 70±10 years, 431 (72%) were men and 377 (63%) had coronary artery disease. During 2-year follow-up, 165 (27%) participants (114 men, 51 women; p=0.431) experienced a MACE. Independent correlates of a MACE in men were depressive status (OR 1.95, 95% CI 1.06 to 3.58; p=0.032), low physical HRQoL (OR 0.98, 95% CI 0.96 to 1.00; p=0.027) and increasing comorbidity (OR 1.14, 95% CI 1.04 to 1.25; p=0.004). In women, age (OR 1.06, 95% CI 1.02 to 1.12; p=0.008), MCI (OR 2.38, 95% CI 1.09 to 5.18; p=0.029) and hospital site predicted a MACE (OR 2.32, 95% CI 1.09 to 4.93; p=0.029).Psychological determinants, cognitive impairment and responses to secondary prevention are different for men and women with heart disease and appear to modulate cardiovascular-specific outcomes. Early detection of psychosocial factors through routine screening and gender-specific secondary prevention is encouraged.12608000014358.
| S-EPMC4836286 | biostudies-other
Project description:Background and Aims: Aspirin leads to substantial benefits for the secondary prevention of cardiovascular disease (CVD). We aimed to cast more light on aspirin's role for the primary prevention of CVD. Methods: Databases were searched for clinical trials comparing aspirin vs. no aspirin use in this meta-analysis. Efficacy and safety profiles were rigorously investigated. Trial sequential analysis (TSA) was used to determine the robustness of the results. Results: Fourteen studies with 163,840 participants were eligible (mean follow-up 6.2 y). Aspirin intake was found to be associated with 9, 13, and 12% reductions in the risk of cardiovascular events (CV events) (relative risk [RR]: 0.91, 95% confidence intervals [CI]: 0.87-0.96; risk difference (RD): 0.29%; absolute risk percentage (AR%): 7.61%; number needed to treat (NNT): 345), myocardial infarction (RR: 0.87, 95% CI: 0.77-0.97; RD: 0.21%; AR%: 11.11%; NNT: 488) and ischemic stroke (RR: 0.88, 95% CI: 0.80-0.96; RD: 0.21%; AR%: 16.14%; NNT: 476), respectively; aspirin intake was also associated with 40%, 30%, and 57% increases in the risk of major bleeding (RR: 1.40, 95% CI: 1.29-1.53; RD: 0.47%; AR%: 27.85; NNT: 214), intracranial bleeding (RR: 1.30, 95% CI: 1.11-1.52; RD: 0.10%; AR%: 22.99%; NNT: 1,000) and major gastrointestinal bleeding (RR: 1.57, 95% CI: 1.38-1.78; RD: 0.32%; AR%: 36.70%; NNT: 315), respectively. Further, populations with low doses of aspirin intake (≤100 mg), populations <65 y old or populations with body mass index (BMI) ≧ 25 experienced more advantages; high-risk (10-y cardiovascular risk ≧10%) and full diabetic individuals reported hardly clinical benefits. Conclusion: Aspirin intake was associated with a reduced risk of CV events and an increased incidence of bleeding profiles in primary prevention. It is necessary to identify individual's CVD risk using clear examinations or assessments before aspirin intake, and truly realize individualized prescription.
| S-EPMC7845480 | biostudies-literature
Project description:BACKGROUND:Plasma lipidomic measures may enable improved prediction of cardiovascular outcomes in secondary prevention. The aim of this study is to determine the association of plasma lipidomic measurements with cardiovascular events and assess their potential to predict such events. METHODS:Plasma lipids (n = 342) were measured in a retrospective subcohort (n = 5,991) of the LIPID study. Proportional hazards regression was used to identify lipids associated with future cardiovascular events (nonfatal myocardial infarction, nonfatal stroke, or cardiovascular death) and cardiovascular death. Multivariable models adding lipid species to traditional risk factors were created using lipid ranking established from the Akaike information criterion within a 5-fold cross-validation framework. The results were tested on a diabetic case cohort from the ADVANCE study (n = 3,779). RESULTS:Specific ceramide species, sphingolipids, phospholipids, and neutral lipids containing omega-6 fatty acids or odd-chain fatty acids were associated with future cardiovascular events (106 species) and cardiovascular death (139 species). The addition of 7 lipid species to a base model (11 conventional risk factors) resulted in an increase in the C-statistics from 0.629 (95% CI, 0.628-0.630) to 0.654 (95% CI, 0.653-0.656) for prediction of cardiovascular events and from 0.673 (95% CI, 0.671-0.675) to 0.727 (95% CI, 0.725-0.728) for prediction of cardiovascular death. Categorical net reclassification improvements for cardiovascular events and cardiovascular death were 0.083 (95% CI, 0.081-0.086) and 0.166 (95% CI, 0.162-0.170), respectively. Evaluation on the ADVANCE case cohort demonstrated significant improvement on the base models. CONCLUSIONS:The improvement in the prediction of cardiovascular outcomes, above conventional risk factors, demonstrates the potential of plasma lipidomic profiles as biomarkers for cardiovascular risk stratification in secondary prevention. FUNDING:Bristol-Myers Squibb, the National Health and Medical Research Council of Australia (grants 211086, 358395, and 1029754), and the Operational Infrastructure Support Program of the Victorian government of Australia.
| S-EPMC6171797 | biostudies-other
Project description:The Pooled Cohort Equation (PCE) predicts 10-year risk of first-time atherosclerotic cardiovascular disease (ASCVD) events and was incorporated in analyses of a primary and secondary prevention population in the Systolic Blood Pressure Intervention Trial (SPRINT). Whether PCE enhances risk prediction among secondary prevention populations is unknown. We sought to compare ASCVD events by level of PCE-predicted risk among primary and secondary prevention SPRINT populations. SPRINT randomized adults with hypertension and ≥1 CVD risk factor or previous CVD events to systolic blood pressure control targeting <120 mm Hg or 135 to 139 mm Hg. We calculated the hazard ratio (HR) of ASCVD events among secondary versus primary (reference) prevention subgroups overall and by predicted 10-year ASCVD risk categories (<10%, 10% to <20%, 20% to <30%, and ≥30%) and within risk subgroups, comparing to the lowest risk category. Among 8,151 participants, 16% with previous CVD, mean age was 66 years and 35% were women. The HR for ASCVD events overall was 2.51 (1.96, 3.20). HR was 2.97 (1.47, 5.99) among <10% 10-year risk and 2.23 (1.38, 3.59) among ≥30% risk. Within subgroups comparing ≥30% to <10% risk (reference) categories, the HR was 2.85 (1.76, 4.63) for primary and 2.14 (1.07, 4.30) for the secondary prevention. In conclusion, history of previous events was a potent risk factor for subsequent ASCVD events. The PCE does not enhance risk prediction among secondary prevention populations and may differentially underestimate risk in secondary prevention populations with lowest predicted risk.
| S-EPMC7240131 | biostudies-literature
Project description:BACKGROUND/OBJECTIVES:We sought to determine whether statin use for primary prevention is associated with a lower risk of cardiovascular events or mortality in older men. DESIGN:Prospective cohort study. SETTING:Physicians' Health Study participants. PARTICIPANTS:7,213 male physicians ?70 years without a history of cardiovascular disease (CVD). MEASUREMENTS:Multivariable propensity score for statin use with greedy matching (1:1) to minimize confounding by indication. RESULTS:Median baseline age was 77 (70-102), median follow-up was 7 years. Non-users were matched to 1,130 statin users. Statin use was associated with an 18% lower risk of all-cause mortality, HR 0.82 (95% CI 0.69-0.98) and non-significant lower risk of CVD events, HR 0.86 (95% CI 0.70-1.06) and stroke, HR 0.70 (95% CI 0.45-1.09). In subgroup analyses, results did not change according to age group at baseline (70-76 or >76 years) or functional status. There was a suggestion that those >76 at baseline did not benefit from statins for mortality, HR 1.14 (95% CI 0.89-1.47), compared to those 70-76 at baseline, HR 0.83 (95% CI 0.61-1.11); however the CIs overlap between the two groups, suggesting no difference. Statin users with elevated total cholesterol had fewer major CVD events than non-users, HR 0.68 (95% CI 0.50-0.94) and HR 1.43 (95% CI 0.99-2.07)), respectively. CONCLUSIONS:Statin use was associated with a significant lower risk of mortality in older male physicians ?70 and a nonsignificant lower risk of CVD events. Results did not change in those who were >76 years at baseline or according to functional status. There was a suggestion that those with elevated total cholesterol may benefit. Further work is needed to determine which older individuals will benefit from statins as primary prevention.
| S-EPMC5681374 | biostudies-literature
Project description:Despite the fact that we possess highly effective tools for the primary and secondary prevention of myocardial infarction and other complications of atherosclerosis, coronary heart disease remains the most common cause of death in our society. Arterial inflammation and endothelial dysfunction play central roles in the pathogenesis of atherosclerosis and adverse cardiovascular (CV) events. Therapeutic lifestyle changes in conjunction with an aggressive multidrug regimen targeted toward the normalization of the major CV risk factors will neutralize the atherogenic milieu, reduce vascular inflammation, and markedly decrease the risk of adverse CV events and need for revascularization procedures. Specific CV risk factors and optimal therapies for primary and secondary prevention are discussed.
| S-EPMC2719528 | biostudies-literature
Project description: Not available
| S-EPMC6513571 | biostudies-literature