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- Akesson, Agneta, et al.
(author)
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Low-Risk Diet and Lifestyle Habits in the Primary Prevention of Myocardial Infarction in Men A Population-Based Prospective Cohort Study
- 2014
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In: Journal of the American College of Cardiology. - : ELSEVIER SCIENCE INC. - 0735-1097 .- 1558-3597. ; 64:13, s. 1299-1306
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Journal article (peer-reviewed)abstract
- BACKGROUND Adherence to a combination of healthy dietary and lifestyle practices may have an impressive impact on the primary prevention of myocardial infarction (MI). OBJECTIVES The aim of this study was to examine the benefit of combined low-risk diet and healthy lifestyle practices on the incidence of MI in men. METHODS The population-based, prospective cohort of Swedish men comprised 45-to 79-year-old men who completed a detailed questionnaire on diet and lifestyle at baseline in 1997. In total, 20,721 men with no history of cancer, cardiovascular disease, diabetes, hypertension, or high cholesterol levels were followed through 2009. Low-risk behavior included 5 factors: a healthy diet (top quintile of Recommended Food Score), moderate alcohol consumption (10 to 30 g/day), no smoking, being physically active (walking/bicycling >= 40 min/day and exercising >= 1 h/week), and having no abdominal adiposity (waist circumference <95 cm). RESULTS During 11 years of follow-up, we ascertained 1,361 incident cases of MI. The low-risk dietary choice together with moderate alcohol consumption was associated with a relative risk of 0.65 (95% confidence interval [CI]: 0.48 to 0.87) compared with men having 0 of 5 low-risk factors. Men having all 5 low-risk factors compared with those with 0 low-risk factors had a relative risk of 0.14 (95% CI: 0.04 to 0.43). This combination of healthy behaviors, present in 1% of the men, could prevent 79% (95% CI: 34% to 93%) of the MI events on the basis of the study population. CONCLUSIONS Almost 4 of 5 MIs in men may be preventable with a combined low-risk behavior. (C) 2014 by the American College of Cardiology Foundation.
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- Al-Khalili, F, et al.
(author)
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Clinical predictors of poor outcome in women recovering from acute coronary syndrome
- 2000
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In: Journal of the American College of Cardiology. - Karolinska Hosp, Dept Cardiol, S-10401 Stockholm, Sweden. Karolinska Hosp, Dept Publ Hlth Sci, Div Prevent Med, S-10401 Stockholm, Sweden. Karolinska Hosp, Dept Thorac Radiol, S-10401 Stockholm, Sweden. Karolinska Inst, Stockholm, Sweden. : ELSEVIER SCIENCE INC. - 0735-1097 .- 1558-3597. ; 35:2, s. 392A-392A
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Journal article (other academic/artistic)
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- Andersson, Bert, 1952, et al.
(author)
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Exercise hemodynamics and myocardial metabolism during long-term beta-adrenergic blockade in severe heart failure.
- 1991
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In: Journal of the American College of Cardiology. - 0735-1097 .- 1558-3597. ; 18:4, s. 1059-66
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Journal article (peer-reviewed)abstract
- Hemodynamics and myocardial metabolism at rest and during exercise were investigated in 21 patients with heart failure. The patients were evaluated before and after long-term treatment (14 +/- 7 months) with the beta-adrenergic blocking agent metoprolol. Clinical improvement with increased functional capacity occurred during treatment. Maximal work load increased by 25% (104 to 130 W; p less than 0.001). Hemodynamic data showed an increased cardiac index (3.8 to 4.6 liters/min per m2; p less than 0.02) during exercise. Pulmonary capillary wedge pressure decreased at rest (20 to 13 mm Hg; p less than 0.01) and during exercise (32 to 28 mm Hg; p = NS). Stroke volume index (30 to 39 g.m/m2; p less than 0.006) and stroke work index (28 to 46 g.m/m2; p less than 0.006) increased during exercise and long-term metoprolol treatment. The arterial norepinephrine concentration decreased at rest (3.72 to 2.19 nmol/liter; p less than 0.02) but not during exercise (13.2 to 11.1 nmol/liter; p = NS). The arterial-coronary sinus norepinephrine difference suggested a decrease in myocardial spillover during metoprolol treatment (-0.28 to -0.13 nmol/liter; p = NS at rest and -1.13 to -0.27 nmol/liter; p less than 0.05 during exercise). Coronary sinus blood flow was unchanged during treatment. Four patients produced myocardial lactate before the study, but none produced lactate after beta-blockade (p less than 0.05). There was no obvious improvement in a subgroup of patients with ischemic cardiomyopathy. In summary, there were signs of increased myocardial work load without higher metabolic costs after treatment with metoprolol.
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- Arnold, Natalie, et al.
(author)
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Impact of lipoprotein(a) level on low-density lipoprotein cholesterol– or apolipoprotein B–related risk of coronary heart disease
- 2024
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In: Journal of the American College of Cardiology. - : Elsevier. - 0735-1097 .- 1558-3597. ; 84:2, s. 165-177
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Journal article (peer-reviewed)abstract
- Background: Conventional low-density lipoprotein cholesterol (LDL-C) quantification includes cholesterol attributable to lipoprotein(a) (Lp(a)-C) due to their overlapping densities.Objectives: The purposes of this study were to compare the association between LDL-C and LDL-C corrected for Lp(a)-C (LDLLp(a)corr) with incident coronary heart disease (CHD) in the general population and to investigate whether concomitant Lp(a) values influence the association of LDL-C or apolipoprotein B (apoB) with coronary events.Methods: Among 68,748 CHD-free subjects at baseline LDLLp(a)corr was calculated as “LDL-C—Lp(a)-C,” where Lp(a)-C was 30% or 17.3% of total Lp(a) mass. Fine and Gray competing risk-adjusted models were applied for the association between the outcome incident CHD and: 1) LDL-C and LDLLp(a)corr in the total sample; and 2) LDL-C and apoB after stratification by Lp(a) mass (≥/<90th percentile).Results: Similar risk estimates for incident CHD were found for LDL-C and LDL-CLp(a)corr30 or LDL-CLp(a)corr17.3 (subdistribution HR with 95% CI) were 2.73 (95% CI: 2.34-3.20) vs 2.51 (95% CI: 2.15-2.93) vs 2.64 (95% CI: 2.26-3.10), respectively (top vs bottom fifth; fully adjusted models). Categorization by Lp(a) mass resulted in higher subdistribution HRs for uncorrected LDL-C and incident CHD at Lp(a) ≥90th percentile (4.38 [95% CI: 2.08-9.22]) vs 2.60 [95% CI: 2.21-3.07]) at Lp(a) <90th percentile (top vs bottom fifth; Pinteraction0.39). In contrast, apoB risk estimates were lower in subjects with higher Lp(a) mass (2.43 [95% CI: 1.34-4.40]) than in Lp(a) <90th percentile (3.34 [95% CI: 2.78-4.01]) (Pinteraction0.49).Conclusions: Correction of LDL-C for its Lp(a)-C content provided no meaningful information on CHD-risk estimation at the population level. Simple categorization of Lp(a) mass (≥/<90th percentile) influenced the association between LDL-C or apoB with future CHD mostly at higher Lp(a) levels.
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- Atar, D., et al.
(author)
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Effect of intravenous FX06 as an adjunct to primary percutaneous coronary intervention for acute ST-segment elevation myocardial infarction results of the F.I.R.E. (Efficacy of FX06 in the Prevention of Myocardial Reperfusion Injury) trial
- 2009
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In: Journal of the American College of Cardiology. - 1558-3597. ; 53:8, s. 720-9
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Journal article (peer-reviewed)abstract
- OBJECTIVES: The purpose of this study was to investigate whether FX06 would limit infarct size when given as an adjunct to percutaneous coronary intervention. BACKGROUND: FX06, a naturally occurring peptide derived from human fibrin, has been shown to reduce myocardial infarct size in animal models by mitigating reperfusion injury. METHODS: In all, 234 patients presenting with acute ST-segment elevation myocardial infarction were randomized in 26 centers. FX06 or matching placebo was given as intravenous bolus at reperfusion. Infarct size was assessed 5 days after myocardial infarction by late gadolinium enhanced cardiac magnetic resonance imaging. Secondary outcomes included size of necrotic core zone and microvascular obstruction at 5 days, infarct size at 4 months, left ventricular function, troponin I levels, and safety. RESULTS: There were no baseline differences between groups. On day 5, there was no significant difference in total late gadolinium enhanced zone in the FX06 group compared with placebo (reduction by 21%; p = 0.207). The necrotic core zone, however, was significantly reduced by 58% (median 1.77 g [interquartile range 0.0, 9.09 g] vs. 4.20 g [interquartile range 0.3, 9.93 g]; p < 0.025). There were no significant differences in troponin I levels (at 48 h, -17% in the FX06 group). After 4 months, there were no longer significant differences in scar size. There were numerically fewer serious cardiac events in the FX06-treated group, and no differences in adverse events. CONCLUSIONS: In this proof-of-concept trial, FX06 reduced the necrotic core zone as one measure of infarct size on magnetic resonance imaging, while total late enhancement was not significantly different between groups. The drug appears safe and well tolerated. (Efficacy of FX06 in the Prevention of Myocardial Reperfusion Injury [F.I.R.E.]; NCT00326976).
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- Batra, Gorav, et al.
(author)
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Biomarker-Based Prediction of Recurrent Ischemic Events in Patients With Acute Coronary Syndromes
- 2022
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In: Journal of the American College of Cardiology. - : Elsevier. - 0735-1097 .- 1558-3597. ; 80:18, s. 1735-1747
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Journal article (peer-reviewed)abstract
- BACKGROUND: In patients with acute coronary syndrome (ACS), there is residual and variable risk of recurrent ischemic events.OBJECTIVES: This study aimed to develop biomarker-based prediction models for 1-year risk of cardiovascular (CV) death and myocardial infarction (MI) in patients with ACS undergoing percutaneous coronary intervention.METHODS: We included 10,713 patients from the PLATO (A Comparison of Ticagrelor [AZD6140] and Clopidogrel in Patients With Acute Coronary Syndrome) trial in the development cohort and externally validated in 3,508 patients from the TRACER (Thrombin Receptor Antagonist for Clinical Event Reduction in Acute Coronary Syndrome) trial. Variables contributing to risk of CV death/MI were assessed using Cox regression models, and a score was derived using subsets of variables approximating the full model.RESULTS: There were 632 and 190 episodes of CV death/MI in the development and validation cohorts. The most important predictors of CV death/MI were the biomarkers, growth differentiation factor 15, and N-terminal pro-B-type natriuretic peptide, which had greater prognostic value than all candidate variables. The final model included 8 items: age (A), biomarkers (B) (growth differentiation factor 15 and N-terminal pro-B-type natriuretic peptide), and clinical variables (C) (extent of coronary artery disease, previous vascular disease, Killip class, ACS type, P2Y12 inhibitor). The model, named ABC-ACS ischemia, was well calibrated and showed good discriminatory ability for 1-year risk of CV death/MI with C-indices of 0.71 and 0.72 in the development and validation cohorts, respectively. For CV death, the score performed better, with C-indices of 0.80 and 0.84 in the development and validation cohorts, respectively.CONCLUSIONS: An 8-item score for the prediction of CV death/MI was developed and validated for patients with ACS undergoing percutaneous coronary intervention. The ABC-ACS ischemia score showed good calibration and discrimination and might be useful for risk prediction and decision support in patients with ACS. (A Comparison of Ticagrelor [AZD6140] and Clopidogrel in Patients With Acute Coronary Syndrome [PLATO]; NCT00391872; Trial to Assess the Effects of Vorapaxar [SCH 530348; MK-5348] in Preventing Heart Attack and Stroke in Participants With Acute Coronary Syndrome [TRACER]; NCT00527943)
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- Behrouzi, Bahar, et al.
(author)
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Influenza Vaccination to Reduce Cardiovascular Morbidity and Mortality in Patients With COVID-19 : JACC State-of-the-Art Review
- 2020
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In: Journal of the American College of Cardiology. - : Elsevier. - 0735-1097 .- 1558-3597. ; 76:15, s. 1777-1794
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Research review (peer-reviewed)abstract
- Viral respiratory infections are risk factors for cardiovascular disease (CVD). Underlying CVD is also associated with an increased risk of complications following viral respiratory infections, including increased morbidity, mortality, and health care utilization. Globally, these phenomena are observed with seasonal influenza and with the current coronavirus disease 2019 (COVID-19) pandemic. Persons with CVD represent an important target population for respiratory virus vaccines, with capacity developed within 3 large ongoing influenza vaccine cardiovascular outcomes trials to determine the potential cardioprotective effects of influenza vaccines. In the context of COVID-19, these international trial networks may be uniquely positioned to redeploy infrastructure to study therapies for primary and secondary prevention of COVID-19. Here, we describe mechanistic links between influenza and COVID-19 infection and the risk of acute cardiovascular events, summarize the data to date on the potential cardioprotective effects of influenza vaccines, and describe the ongoing influenza vaccine cardiovascular outcomes trials, highlighting important lessons learned that are applicable to COVID-19.
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