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BACKGROUND: Despite changes in the discourse around gender distributions within academic leadership, women continue to be under-represented in academia. Our study aims to identify the extent of gender disparity in the academic leadership in the top 50 North American universities and to critically analyse the contributing factors through a comprehensive theoretical framework. METHODS: We adopted the theoretical framework of leadership continuum model. A retrospective analysis of the gender of the leadership ranks was conducted between December 2018 and March 2019 for the top 50 universities in North America (2019 Quacquarelli Symonds World University Ranking system). The leadership hierarchy was classified into six tiers. RESULTS: A total of 5806 faculty members from 45 US and five Canadian universities were included. Women were overall less likely to be in a senior leadership role than men (48.7% vs 51.3%; p value=0.05). Women accounted for fewer positions than men for resident/chancellor (23.8% vs 76.2%; p value<0.001), vice-president/vice-chancellor (36.3% vs 63.7%; p value<0.001), vice provost (42.7% vs 57.3%; p value=0.06), dean (38.5% vs 61.5%; p value<0.001) and associate dean (48.2% vs 51.8%; p-value=0.05). Women however were in a greater proportion in the assistant dean positions (63.8% vs 36.2%; p value<0.001). CONCLUSION: Leadership gender imbalance is trans-organisational and transnational within the top 50 universities of North America and progressively widens towards the top leadership pyramid. This correlates with the lack of women leadership progress and sustainability in later cycles of the leadership continuum model (beyond assistant dean).
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Docentes de Medicina , Liderança , Masculino , Humanos , Feminino , Universidades , Estudos Retrospectivos , Canadá , América do NorteRESUMO
BACKGROUND: There is a limited data on the association between serum uric acid (SUA) and cardiovascular disease (CVD) among the very elderly population. AIMS: We evaluated the association of SUA, highly sensitive C-reactive protein (hs-CRP, a marker of vascular and systemic inflammation), and coronary artery calcification (CAC, a marker of subclinical CVD) in a cohort of Brazilian octogenarians (≥80 years) free from known clinical CVD. METHODS: 208 individuals were included and evaluated for an association between increasing tertiles of SUA, elevated hs-CRP (>3 mg/dL), the presence and burden of CAC (CAC > 0 and CAC > 400). RESULTS: The median hs-CRP was 1.9 (IQR = 1.0-3.4) mg/L and mean SUA was 5.3 (±1.4) mg/dL. The overall prevalence of elevated hs-CRP (>3 mg/dL) was 31 %. A significant increase in the prevalence of hs-CRP was noted across the higher SUA tertiles (p < 0.001) with 3.4 times the odds of having elevated hs-CRP in the highest SUA tertile (3.40; CI = 1.27-9.08). No association was noted with either the CAC presence and/or CAC burden (CAC > 0 or CAC > 400) across the increasing SUA tertiles. DISCUSSION: In the healthy octogenarians, higher SUA levels are associated with vascular inflammation (hs-CRP) but not with coronary atherosclerosis (CAC); markers for the subclinical CVD.
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Doença da Artéria Coronariana/sangue , Inflamação/sangue , Ácido Úrico/sangue , Calcificação Vascular/diagnóstico , Idoso de 80 Anos ou mais , Biomarcadores/sangue , Brasil/epidemiologia , Proteína C-Reativa/metabolismo , Doença da Artéria Coronariana/epidemiologia , Doença da Artéria Coronariana/fisiopatologia , Vasos Coronários/patologia , Vasos Coronários/fisiopatologia , Feminino , Humanos , Masculino , Prevalência , Fatores de RiscoRESUMO
STUDY OBJECTIVES: There are limited data depicting the association between high risk of OSA and the levels of inflammatory markers in a population-based sample free from CVD. In a large U.S. cohort enriched with a Hispanic population and free of cardiovascular disease (CVD), we aimed to assess the association between high risk of obstructive sleep apnea (OSA) and inflammatory markers. METHODS: We analyzed data for 2359 clinical CVD-free participants from the Miami Heart Study, aged 40-65 (May 2015 - Sept 2018). High risk of OSA included those with a high risk using the Berlin questionnaire. Poisson regression analyses were utilized to examine the associations between high risk of OSA (reference: low risk of OSA) and hs-CRP, IL-6, and TNF-α levels (continuous) in univariate and multivariate models (adjusting for age, sex, race/ethnicity, and BMI, diabetes, hypertension, high cholesterol, and smoking). RESULTS: 552 (28%) participants were categorized as having a high risk of OSA. Patients with a high risk of OSA had higher median values of hs-CRP (2.3 vs. 1.0), IL-6 (1.9 vs. 1.4), and TNF-α (1.2 vs. 1.1) when compared to those with a low risk of OSA (all p < 0.001). When adjusting for age, sex, and race/ethnicity, the mean difference between patients with high and low risk of OSA in hs-CRP was 2.04 (95% CI 1.85, 2.23), and 0.73 (95% CI 0.57, 0.89) in IL-6. These differences were attenuated when further adjusting for CVD risk factors but remained statistically significant for hs-CRP: (0.38, 95% CI 0.21, 0.55). CONCLUSIONS: After accounting for CVD risk factors, individuals at high risk of OSA had significantly higher levels of hs-CRP, suggesting that OSA screening identified subclinical inflammation in this population sample of individuals free of CVD.
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BACKGROUND: Elevated levels of lipoprotein(a) (Lp(a)) are independently associated with an increased risk of atherosclerotic cardiovascular disease events. However, the mechanisms driving this association are poorly understood. We aimed to evaluate the association between Lp(a) and coronary plaque characteristics in a contemporary US cohort without clinical atherosclerotic cardiovascular disease, undergoing coronary computed tomography angiography, the noninvasive gold standard for the assessment of coronary atherosclerosis. METHODS: We used baseline data from the Miami Heart Study-a community-based, prospective cohort study-which included asymptomatic adults aged 40 to 65 years evaluated using coronary computed tomography angiography. Those taking any lipid-lowering therapies were excluded. Elevated Lp(a) was defined as ≥125 nmol/L. Outcomes included any plaque, coronary artery calcium score >0, maximal stenosis ≥50%, presence of any high-risk plaque feature (positive remodeling, spotty calcification, low-attenuation plaque, napkin ring), and the presence of ≥2 high-risk plaque features. RESULTS: Among 1795 participants (median age, 52 years; 54.3% women; 49.6% Hispanic), 291 (16.2%) had Lp(a) ≥125 nmol/L. In unadjusted analyses, individuals with Lp(a) ≥125 nmol/L had a higher prevalence of all outcomes compared with Lp(a) <125 nmol/L, although differences were only statistically significant for the presence of any coronary plaque and ≥2 high-risk features. In multivariable models, elevated Lp(a) was independently associated with the presence of any coronary plaque (odds ratio, 1.40, [95% CI, 1.05-1.86]) and with ≥2 high-risk features (odds ratio, 3.94, [95% CI, 1.82-8.52]), although only 35 participants had this finding. Among participants with a coronary artery calcium score of 0 (n=1200), those with Lp(a) ≥125 nmol/L had a significantly higher percentage of any plaque compared with those with Lp(a) <125 nmol/L (24.2% versus 14.2%; P<0.001). CONCLUSIONS: In this contemporary analysis, elevated Lp(a) was independently associated with the presence of coronary plaque. Larger studies are needed to confirm the strong association observed with the presence of multiple high-risk coronary plaque features.
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Doenças Assintomáticas , Biomarcadores , Angiografia por Tomografia Computadorizada , Angiografia Coronária , Doença da Artéria Coronariana , Lipoproteína(a) , Placa Aterosclerótica , Humanos , Pessoa de Meia-Idade , Feminino , Masculino , Lipoproteína(a)/sangue , Florida/epidemiologia , Estudos Prospectivos , Angiografia Coronária/métodos , Doença da Artéria Coronariana/epidemiologia , Doença da Artéria Coronariana/sangue , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/diagnóstico , Adulto , Biomarcadores/sangue , Idoso , Fatores de Risco , Vasos Coronários/diagnóstico por imagem , Regulação para Cima , Valor Preditivo dos Testes , Medição de Risco , Prevalência , Calcificação Vascular/diagnóstico por imagem , Calcificação Vascular/epidemiologia , Calcificação Vascular/sangueRESUMO
Objectives: In a large U.S. cohort free of CVD evaluated by coronary computed CT angiography, we aimed to assess the association between established / high risk of Obstructive Sleep Apnea (OSA) and coronary plaque. Background: There are limited data available depicting the association between established / high risk of OSA and the presence of coronary plaque in a population-based sample free from CVD. Methods: Cross-sectional data from 2359 participants enrolled in the Miami Heart Study (MiHeart) who underwent coronary CT angiography was used for this study. The Berlin questionnaire was used to stratify patients as having high or low risk of OSA. Multiple multivariable logistic regression analyses were conducted to investigate the association between the risk of developing OSA with the presence, volume, and composition of plaque. Results: According to the Berlin questionnaire, 1559 participants were (66.1%) at low risk of OSA and 800 patients (33.9%) with established / high risk of OSA. Plaque characterization on CCTA revealed a greater incidence of any possible plaque composition in the established / high risk of OSA category (59.6% vs. 43.5%) compared to the low risk of OSA cohort. In logistic regression models, after adjusting for demographics and cardiovascular risk factors, a significant association could still be noted between established / high risk of OSA and any coronary plaque on CCTA (OR=1.31, CI 1.05, 1.63, p = 0.016). Subgroup analysis in the Hispanic population also portrayed a significant association between established / high risk of OSA and the presence of coronary plaque on CCTA (OR = 1.55 CI 1.13, 2.12, p = 0.007). Conclusion: After accounting for CVD risk factors, individuals at established / high risk of OSA have a higher likelihood of the presence of coronary plaque. Future studies should focus on OSA presence or risk, OSA severity, and the longitudinal consequences of coronary atherosclerosis.
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BACKGROUND: The contemporary burden and characteristics of coronary atherosclerosis, assessed using coronary computed tomography angiography (CCTA), is unknown among asymptomatic adults with diabetes and prediabetes in the United States. The pooled cohort equations and coronary artery calcium (CAC) score stratify atherosclerotic cardiovascular disease risk, but their association with CCTA findings across glycemic categories is not well established. METHODS: Asymptomatic adults without atherosclerotic cardiovascular disease enrolled in the Miami Heart Study were included. Participants underwent CAC and CCTA testing and were classified into glycemic categories. Prevalence of coronary atherosclerosis (any plaque, noncalcified plaque, plaque with ≥1 high-risk feature, maximal stenosis ≥50%) assessed by CCTA was described across glycemic categories and further stratified by pooled cohort equations-estimated atherosclerotic cardiovascular disease risk and CAC score. Adjusted logistic regression was used to evaluate the associations between glycemic categories and coronary outcomes. RESULTS: Among 2352 participants (49.5% women), the prevalence of euglycemia, prediabetes, and diabetes was 63%, 30%, and 7%, respectively. Coronary plaque was more commonly present across worsening glycemic categories (euglycemia, 43%; prediabetes, 58%; diabetes, 69%), and similar pattern was observed for other coronary outcomes. In adjusted analyses, compared with euglycemia, prediabetes and diabetes were each associated with higher odds of any coronary plaque (OR, 1.30 [95% CI, 1.05-1.60] and 1.75 [1.17-2.61], respectively), noncalcified plaque (OR, 1.47 [1.19-1.81] and 1.99 [1.38-2.87], respectively), and plaque with ≥1 high-risk feature (OR, 1.65 [1.14-2.39] and 2.53 [1.48-4.33], respectively). Diabetes was associated with stenosis ≥50% (OR, 3.01 [1.79-5.08]; reference=euglycemia). Among participants with diabetes and estimated atherosclerotic cardiovascular disease risk <5%, 46% had coronary plaque and 10% had stenosis ≥50%. Among participants with diabetes and CAC=0, 30% had coronary plaque and 3% had stenosis ≥50%. CONCLUSIONS: Among asymptomatic adults, worse glycemic status is associated with higher prevalence and extent of coronary atherosclerosis, high-risk plaque, and stenosis. In diabetes, CAC was more closely associated with CCTA findings and informative in a larger population than the pooled cohort equations.
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Aterosclerose , Doenças Cardiovasculares , Doença da Artéria Coronariana , Diabetes Mellitus , Placa Aterosclerótica , Estado Pré-Diabético , Adulto , Humanos , Feminino , Masculino , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/epidemiologia , Doença da Artéria Coronariana/complicações , Estado Pré-Diabético/diagnóstico , Estado Pré-Diabético/epidemiologia , Doenças Cardiovasculares/complicações , Florida/epidemiologia , Constrição Patológica/complicações , Protestantismo , Angiografia Coronária/métodos , Estudos Prospectivos , Placa Aterosclerótica/epidemiologia , Placa Aterosclerótica/complicações , Fatores de RiscoRESUMO
Objective: The association of sex-specific hormones with coronary computed tomography angiography(CCTA)-based plaque characteristics in women without cardiovascular disease is not well understood. We investigated the association of sex-specific hormones with coronary artery plaque characteristics in a contemporary multiracial cohort with no clinical coronary artery disease (CAD). Methods: In this cross-sectional analysis, we utilized data from 2,325 individuals with no clinical CAD from the Miami Heart (MiHeart) study. Multivariable logistic regression models were used to investigate the association of sex hormones: sex hormone binding globulin (SHBG), dehydroepiandrosterone (DHEA), free and total testosterone, estradiol, with plaque characteristics among women and men. Results: Of the 1,155 women, 34.2% had any plaque and 3.4% had any high-risk plaque features (HRP) while among men (n = 1170), 63.1% had any plaque and 10.4% had HRP. Among women, estradiol and SHBG were associated with lower odds of any plaque after adjusting for age and race-ethnicity (estradiol OR per SD increase: 0.87, 95%CI: 0.76-0.98; SHBG OR per SD increase: 0.82, 95%CI: 0.72-0.93) but the significance did not persist after adjustment of cardiovascular risk factors. High free testosterone was associated with higher odds of HRP (aOR:3.48, 95%CI:1.07-11.26) but null associations for the other sex hormones with HRP, in the context of limited sample size. Among men, there were no significant associations between sex-specific hormones and plaque or HRP. Conclusion: Among young to middle-aged women with no clinical CAD, increasing estradiol and SHBG were associated with lower odds of any plaque and higher free testosterone was associated with HRP. Larger cohorts may be needed to validate this.
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BACKGROUND: The burden of total coronary plaque, plaque subtypes, and high-risk plaque features was unknown in asymptomatic individuals from the general U.S. primary prevention population. OBJECTIVES: In a large, asymptomatic U.S. cohort evaluated using coronary computed tomography angiography (CCTA), we aimed to assess the burden of total coronary plaque, plaque subtypes, and high-risk plaque features; the interplay between CCTA findings and coronary artery calcium (CAC) scores; and identify independent predictors of coronary plaque. METHODS: Cross-sectional analysis in the MiHeart (Miami Heart Study), a cohort of 2,359 asymptomatic individuals from the Greater Miami Area (mean age 53 years, 50% women, 47% Hispanic/Latino, 43% non-Hispanic White). We estimated the burden of CAC (=0, >0 to <100, ≥100), CCTA-based plaque features (any plaque, stenosis ≥50%, ≥70%, high-risk features), and their interplay. RESULTS: Overall, 58% participants had CAC = 0, 28% CAC >0 to <100, and 13% CAC ≥100. A total of 49% participants had plaque on the CCTA, including 16% among those with CAC = 0. Overall, 6% participants had coronary stenosis ≥50% (12% among those with coronary plaque), 1.8% had stenosis ≥70% (3.7% among those with plaque), and 7% had at least 1 coronary plaque with ≥1 high-risk feature (13.8% among those with plaque). Only 0.8% participants with CAC = 0 had stenosis ≥50%, 0.1% stenosis ≥70%, and 2.3% plaque with high-risk features. In logistic regression models, independent predictors of coronary plaque and high-risk plaque were older age, male sex, tobacco use, diabetes, overweight, and obesity. Male sex, overweight, and obesity were independent predictors of plaque if CAC = 0. CONCLUSIONS: The Miami Heart Study confirms substantial prevalence of coronary plaque in asymptomatic individuals. Overall, 49% of participants had coronary plaque, 6% had stenosis ≥50%, and 7% had plaques with at least 1 high-risk feature. These proportions were 16%, 0.8%, and 2.3%, respectively, among those with CAC = 0. Longitudinal follow-up will shed further light on the prognostic implications of these findings in asymptomatic individuals.
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Doença da Artéria Coronariana , Placa Aterosclerótica , Constrição Patológica , Angiografia Coronária/métodos , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/epidemiologia , Estudos Transversais , Feminino , Florida/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Obesidade , Sobrepeso , Valor Preditivo dos Testes , Protestantismo , Fatores de RiscoRESUMO
OBJECTIVE: The Miami Heart Study (MiHeart) at Baptist Health South Florida is an ongoing, community-based, prospective cohort study aimed at characterizing the prevalence, characteristics, and prognostic value of diverse markers of early subclinical coronary atherosclerosis and of various potential demographic, psychosocial, and metabolic risk factors. We present the study objectives, detailed research methods, and preliminary baseline results of MiHeart. METHODS: MiHeart enrolled 2,459 middle-aged male and female participants from the general population of the Greater Miami Area. Enrollment occurred between May 2015 and September 2018 and was restricted to participants aged 40-65 years free of clinical cardiovascular disease (CVD). The baseline examination included assessment of demographics, lifestyles, medical history, and a detailed evaluation of psychosocial characteristics; a comprehensive physical exam; measurement of multiple blood biomarkers including measures of inflammation, advanced lipid testing, and genomics; assessment of subclinical coronary atherosclerotic plaque and vascular function using coronary computed tomography angiography, the coronary artery calcium score, carotid intima-media thickness, pulse wave velocity, and peripheral arterial tonometry; and other tests including 12-lead electrocardiography and assessment of pulmonary function. Blood samples were biobanked to facilitate future ancillary research. RESULTS: MiHeart enrolled 1,261 men (51.3%) and 1,198 women (48.7%). Mean age was 53 years, 85.6% participants were White and 47.4% were of Hispanic/Latino ethnicity. The study included 7% individuals with diabetes, 33% with hypertension, and 15% used statin therapy at baseline. Overweight or obese participants comprised 72% of the population and 3% were smokers. Median 10-year estimated atherosclerotic CVD risk using the Pooled Cohort Equations was 4%. CONCLUSION: MiHeart will provide important, novel insights into the pathophysiology of early subclinical atherosclerosis and further our understanding of its role in the genesis of clinical CVD. The study findings will have important implications, further refining current cardiovascular prevention paradigms and risk assessment and management approaches moving forward.
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BACKGROUND AND AIMS: Depression is a mood disorder characterized by persistent feelings of loss of interest along with a cluster of clinical symptoms. It is a significant public health concern affecting 350 million people worldwide. Depression has an association with increased risk of cardiovascular disease. The World Health Organization estimates both depression and coronary artery disease to be the two major causes of disability-adjusted life years by year 2020. Early identification of subclinical cardiovascular disease in people suffering from depression may significantly impact risk stratification of these patients. METHODS: An electronic search of MEDLINE database was carried out using PubMed and OvidSP. Subclinical atherosclerosis was identified by coronary artery calcium (CAC). A total of 24 studies were identified to be included in the review. RESULTS: In this review of twenty-four studies, we found that twelve studies identified a positive association between depression and subclinical atherosclerosis. Ten studies found no significant association between depressive symptoms and coronary calcification. Whereas, two studies showed negative association. CONCLUSIONS: There is mixed evidence assessing the relationship between depression and CAC. Depressive symptoms may represent a potentially modifiable risk factor for early prevention of cardiovascular disease especially in younger patients with moderate to severe depression.
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Angiografia por Tomografia Computadorizada , Angiografia Coronária/métodos , Doença da Artéria Coronariana/diagnóstico por imagem , Vasos Coronários/diagnóstico por imagem , Depressão/psicologia , Tomografia Computadorizada Multidetectores , Calcificação Vascular/diagnóstico por imagem , Adulto , Afeto , Idoso , Doenças Assintomáticas , Doença da Artéria Coronariana/epidemiologia , Doença da Artéria Coronariana/patologia , Doença da Artéria Coronariana/prevenção & controle , Vasos Coronários/patologia , Depressão/diagnóstico , Depressão/epidemiologia , Depressão/terapia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Placa Aterosclerótica , Valor Preditivo dos Testes , Medição de Risco , Fatores de Risco , Índice de Gravidade de Doença , Calcificação Vascular/epidemiologia , Calcificação Vascular/patologia , Calcificação Vascular/prevenção & controleRESUMO
AIM: Abnormal daily sleep duration and quality have been linked to hypertension, diabetes, stroke, and overall cardiovascular disease (CVD) morbidity& mortality. However, the relationship between daily sleep duration and quality with subclinical measures of CVD remains less well studied. This systematic review evaluated how daily sleep duration and quality affect burden of subclinical CVD in subjects free of symptomatic CVD. METHODS: Literature search was done via MEDLINE, EMBASE, Web of Science until June 2016 and 32 studies met the inclusion criteria. Sleep duration and quality were measured either via subjective methods, as self-reported questionnaires or Pittsburg Sleep Quality Index (PSQI) or via objective methods, as actigraphy or polysomnography or by both. Among subclinical CVD measures, coronary artery calcium (CAC) was measured by electron beam computed tomography, Carotid intima-media thickness (CIMT) measured by high-resolution B-mode ultrasound on carotid arteries, endothelial/microvascular function measured by flow mediated dilation (FMD) or peripheral arterial tone (PAT) or iontophoresis or nailfold capillaroscopy, and arterial stiffness measured by pulse wave velocity (PWV) or ankle brachial index (ABI). RESULTS: Subjective short sleep duration was associated with CAC and CIMT, but variably associated with endothelial dysfunction (ED) and arterial stiffness; however, subjective long sleep duration was associated with CAC, CIMT and arterial stiffness, but variably associated with ED. Objective short sleep duration was positively associated with CIMT and variably with CAC but not associated with ED. Objective long sleep duration was variably associated with CAC and CIMT but not associated with ED. Poor subjective sleep quality was significantly associated with ED and arterial stiffness but variably associated with CAC and CIMT. Poor objective sleep quality was significantly associated with CIMT, and ED but variably associated with CAC. CONCLUSIONS: Overall, our review provided mixed results, which is generally in line with published literature, with most of the studies showing a significant relationship with subclinical CVD, but only some studies failed to demonstrate such an association. Although such mechanistic relationship needs further evaluation in order to determine appropriate screening strategies in vulnerable populations, this review strongly suggested the existence of a relationship between abnormal sleep duration and quality with increased subclinical CVD burden.
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Biomarcadores/análise , Doenças Cardiovasculares/fisiopatologia , Análise de Onda de Pulso/métodos , Sono/fisiologia , HumanosRESUMO
BACKGROUND: Lipoprotein-associated phospholipase A2 (Lp-PLA2) is an enzyme that exhibits proinflammatory properties and has been associated with subclinical cardiovascular disease. OBJECTIVE: The relationship between Lp-PLA2 and subclinical CVD remains unclear. The goal of this systematic review was to clarify this relationship. METHODS: An extensive literature search of the MEDLINE database using Ovid and PubMed was performed. From an initial search of 444 articles, 13 met the inclusion and exclusion criteria and were included in the review. RESULTS: Of the 13 studies included in the review, 6 examined the relationship between Lp-PLA2 and coronary artery calcification, of which 3 showed a significant correlation. Two studies examined the relationship between Lp-PLA2 and endothelial dysfunction, and 1 reported a significant relationship. Five studies investigated the association of Lp-PLA2 with carotid intima-media thickness (CIMT), and 3 reported a significant relationship. CONCLUSIONS: This review shows a variable association between Lp-PLA2 and subclinical disease. This finding has broad implications for the future of public health and clinical practice. Future research is needed to clarify what role Lp-PLA2 has in guiding treatment and if it is involved in plaque instability, which would make it a useful tool for risk prognostication.
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1-Alquil-2-acetilglicerofosfocolina Esterase/metabolismo , Doenças Cardiovasculares/metabolismo , Biomarcadores/metabolismo , Cálcio/metabolismo , Doenças Cardiovasculares/diagnóstico por imagem , Doenças Cardiovasculares/enzimologia , Doenças Cardiovasculares/patologia , Espessura Intima-Media Carotídea , Células Endoteliais/patologia , HumanosRESUMO
Several population-based studies have examined the prevalence and trends of the American Heart Association's ideal cardiovascular health (CVH) metrics as well as its association with cardiovascular disease (CVD)-related morbidity and mortality and with non-CVD outcomes. However, no efforts have been made to aggregate these studies. Accordingly, we conducted a systematic review to synthesize available data on the distribution and outcomes associated with ideal CVH metrics in both US and non-US populations. We conducted a systematic search of relevant studies in the MEDLINE and CINAHL databases, as well as the Cochrane Register of Controlled Trials (CENTRAL). Search terms used included "life's simple 7", "AHA 2020" and "ideal cardiovascular health". We included articles published in English Language from January 1, 2010, to July 31, 2015. Of the 14 US cohorts, the prevalence of 6 to 7 ideal CVH metrics ranged from as low as 0.5% in a population of African Americans to 12% in workers in a South Florida health care organization. Outside the United States, the lowest prevalence was found in an Iranian study (0.3%) and the highest was found in a large Chinese corporation (15%). All 6 mortality studies reported a graded inverse association between the increasing number of ideal CVH metrics and the all-cause and CVD-related mortality risk. A similar relationship between ideal CVH metrics and incident cardiovascular events was found in 12 of 13 studies. Finally, an increasing number of ideal CVH metrics was associated with a lower prevalence and incidence of non-CVD outcomes such as cancer, depression, and cognitive impairment. The distribution of ideal CVH metrics in US and non-US populations is similar, with low proportions of persons achieving 6 or more ideal CVH metrics. Considering the strong association of CVH metrics with both CVD and non-CVD outcomes, a coordinated global effort for improving CVH should be considered a priority.
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Doenças Cardiovasculares/epidemiologia , Fenômenos Fisiológicos Cardiovasculares , Dieta/normas , Exercício Físico/fisiologia , Saúde Global/estatística & dados numéricos , Comportamentos Relacionados com a Saúde , American Heart Association , Doenças Cardiovasculares/mortalidade , Doenças Cardiovasculares/prevenção & controle , Causas de Morte , Transtornos Cognitivos/epidemiologia , Transtornos Cognitivos/prevenção & controle , Comorbidade , Depressão/epidemiologia , Depressão/prevenção & controle , Diabetes Mellitus/epidemiologia , Diabetes Mellitus/prevenção & controle , Humanos , Neoplasias/epidemiologia , Neoplasias/prevenção & controle , Prevalência , Fatores de Risco , Fumar/efeitos adversos , Fumar/epidemiologia , Estados Unidos/epidemiologiaRESUMO
BACKGROUND: Serum Gamma-Glutamyl Transferase (GGT), a marker of oxidative stress, has been suggested to be independently associated with cardiovascular disease (CVD) events. We examined the association of serum GGT levels with the burden of subclinical inflammation across a spectrum of metabolic conditions. METHODS: We evaluated 5,446 asymptomatic subjects (43 ± 10 years, 78 % males) who had an employer-sponsored physical between 2008 and 2010. Highly sensitivity C-reactive protein (hsCRP) was measured as a marker of underlying systemic inflammation. A linear regression of GGT quartiles with log transformed hsCRP and a multivariate logistic regression of GGT quartiles with elevated hsCRP (≥3 mg/L) were performed. RESULTS: Median GGT was 31 IU/l (IQR: 22-45 IU/l), 1025 (19 %) had hsCRP ≥ 3 mg/L. The median hsCRP increased with GGT quartiles (Q1: 0.9 mg/L, Q2: 1.1 mg/L, Q3: 1.4 mg/L, Q4: 1.6 mg/L, p < 0.001). Linear regression models showed GGT in the fourth quartile was associated with 0.45 mg/L (95 % CI 0.35, 0.54, p < 0.001) increase in log transformed hsCRP adjusting for risk factors. The Odds Ratio (OR) for an elevated hsCRP (≥3 mg/L) also increased with higher GGT quartiles; GGT Q2 1.44 (95 % CI 1.12, 1.85), GGT Q3 1.89 (95 % CI 1.45, 2.46), GGT Q4 2.22 (95 % CI 1.67, 2.95), compared to GGT Q1. The strength of association increased in the presence of and combination of metabolic conditions. CONCLUSION: In our cohort of asymptomatic individuals a higher serum GGT level was independently associated with increased burden of subclinical inflammation across metabolic states. These findings may explain GGT association with increased CVD risk.
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BACKGROUND: Metabolic syndrome (MetS) and diabetes confer a high risk for developing subsequent cardiovascular disease (CVD). Persons with MetS constitute 24-34 % of the employee population at Baptist Health South Florida (BHSF), a self-insured healthcare organization. The Baptist Employee Healthy Heart Study (BEHHS) aims to assess the addition of a personalized, interactive, web-based, nutrition-management and lifestyle-management program to the existing health-expertise web platform available to BHSF employees in reducing and/or stabilizing CVD and lifestyle risk factors and markers of subclinical CVD. METHODS/DESIGN: Subjects with MetS or Type II Diabetes will be recruited from an employee population at BHSF and randomized to either an intervention or a control arm. The intervention arm will be given access to a web-based personalized diet-modification and weight-modification program. The control arm will be reminded to use the standard informational health website available and accessible to all BHSF employees. Subjects will undergo coronary calcium testing, carotid intima-media thickness scans, peripheral arterial tonometry, and advanced lipid panel testing at visit 1, in addition to lifestyle and medical history questionnaires. All tests will be repeated at visits 2 and 4 with the exception of the coronary calcium test, which will only be performed at baseline and visit 4. Visit 3 will capture vitals, anthropometrics, and responses to the questionnaires only. CONCLUSION: Results of this study will provide information on the effectiveness of personalized, web-based, lifestyle-management tools in reducing healthcare costs, promoting healthy choices, and reducing cardiovascular risk in an employee population. It will also provide information about the natural history of carotid atherosclerosis and endothelial dysfunction in asymptomatic but high-risk populations. TRIAL REGISTRATION: ClinicalTrials.gov registry, NCT01912209 . Registered on 3 July 2013.
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Doenças Cardiovasculares/prevenção & controle , Internet , Estilo de Vida , Serviços de Saúde do Trabalhador , Projetos de Pesquisa , Humanos , Inquéritos e QuestionáriosRESUMO
BACKGROUND: Among the obese, the so-called metabolically healthy obese (MHO) phenotype is thought to confer a lower CVD risk as compared to obesity with typical associated metabolic changes. The present study aims to determine the relationship of different subtypes of obesity with inflammatory-cardiometabolic abnormalities. METHODS: We evaluated 5,519 healthy, Brazilian subjects (43 ± 10 years, 78% males), free of known cardiovascular disease. Those with <2 metabolic risk factors (MRF) were considered metabolically healthy, and those with BMI ≥ 25 kg/m(2) and/or waist circumference meeting NCEP criteria for metabolic syndrome as overweight/obese (OW). High sensitivity C reactive protein (hsCRP) was measured to assess underlying inflammation and hepatic steatosis (HS) was determined via abdominal ultrasound. RESULTS: Overall, 40% of OW individuals were metabolically healthy, and 12% normal-weight had ≥2 MRF. The prevalence of elevated CRP (≥3 mg/dL) and HS in MHO versus normal weight metabolically healthy group was 22% versus 12%, and 40% versus 8% respectively (P < 0.001). Both MHO individuals and metabolically unhealthy normal weight (MUNW) phenotypes were associated with elevated hsCRP and HS. CONCLUSION: Our study suggests that MHO and MUNW phenotypes may not be benign and physicians should strive to treat individuals in these subgroups to reverse these conditions.
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Proteína C-Reativa/metabolismo , Doenças Cardiovasculares/metabolismo , Inflamação/metabolismo , Síndrome Metabólica/metabolismo , Obesidade/metabolismo , Abdome/diagnóstico por imagem , Adulto , Glicemia , Índice de Massa Corporal , Brasil/epidemiologia , Doenças Cardiovasculares/etiologia , Doenças Cardiovasculares/prevenção & controle , Jejum , Feminino , Humanos , Inflamação/epidemiologia , Inflamação/etiologia , Masculino , Síndrome Metabólica/complicações , Síndrome Metabólica/epidemiologia , Obesidade/complicações , Obesidade/epidemiologia , Fenótipo , Prevalência , Fatores de Risco , Ultrassonografia , Circunferência da CinturaRESUMO
BACKGROUND: Healthcare organizations and their employees are critical role models for healthy living in their communities. The American Heart Association (AHA) 2020 impact goal provides a national framework that can be used to track the success of employee wellness programs with a focus on improving cardiovascular (CV) health. This study aimed to assess the CV health of the employees of Baptist Health South Florida (BHSF), a large nonprofit healthcare organization. HYPOTHESIS: HRAs and wellness examinations can be used to measure the cardiovascular health status of an employee population. METHODS: The AHA's 7 CV health metrics (diet, physical activity, smoking, body mass index, blood pressure, total cholesterol, and blood glucose) categorized as ideal, intermediate, or poor were estimated among employees of BHSF participating voluntarily in an annual health risk assessment (HRA) and wellness fair. Age and gender differences were analyzed using χ(2) test. RESULTS: The sample consisted of 9364 employees who participated in the 2014 annual HRA and wellness fair (mean age [standard deviation], 43 [12] years, 74% women). Sixty (1%) individuals met the AHA's definition of ideal CV health. Women were more likely than men to meet the ideal criteria for more than 5 CV health metrics. The proportion of participants meeting the ideal criteria for more than 5 CV health metrics decreased with age. CONCLUSIONS: A combination of HRAs and wellness examinations can provide useful insights into the cardiovascular health status of an employee population. Future tracking of the CV health metrics will provide critical feedback on the impact of system wide wellness efforts as well as identifying proactive programs to assist in making substantial progress toward the AHA 2020 Impact Goal.
Assuntos
American Heart Association , Doenças Cardiovasculares/prevenção & controle , Nível de Saúde , Adulto , Doenças Cardiovasculares/economia , Estudos Transversais , Feminino , Promoção da Saúde/métodos , Humanos , Masculino , Pessoa de Meia-Idade , Saúde Ocupacional , Características de Residência , Comportamento de Redução do Risco , Estados UnidosRESUMO
BACKGROUND: Psoriasis patients have a high prevalence of cardiovascular events and are thought to have a relative risk increase of 25% as compared to the general population. However, a causal relationship between psoriasis and cardiovascular disease has not been established. We sought to perform a systematic review of existing data regarding the presence of endothelial dysfunction and subclinical atherosclerosis in patients with plaque psoriasis. METHODS: A systematic literature search was performed, using Medline database and Ovid SP for relevant literature up to November 2012. Twelve studies met inclusion criteria from an initial search result of 529 articles. RESULTS: Among the twelve studies meeting inclusion criteria, two (17%) reported increased mean coronary artery calcification (CAC) in psoriatic patients. Six studies (50%) showed carotid intima-media thickness [CIMT] increase in psoriasis. Five studies (42%) examined flow mediated dilation [FMD], of which three showed decreased FMD in psoriasis patients. One study (8%) each demonstrated a decreased coronary flow reserve and increased arterial stiffness as assessed by pulse wave velocity. CONCLUSIONS: Patients with psoriasis have an increased burden of subclinical atherosclerosis and endothelial dysfunction. Patients with greater severity and/or disease duration should be targeted for primary screening for cardiovascular disease risk reduction.
Assuntos
Aterosclerose/complicações , Doenças Cardiovasculares/complicações , Psoríase/complicações , Calcinose/patologia , Artérias Carótidas/patologia , Espessura Intima-Media Carotídea , Comorbidade , Circulação Coronária , Vasos Coronários/patologia , Humanos , Inflamação , Risco , Rigidez VascularRESUMO
BACKGROUND: Emerging data suggests that the combination of smoking and metabolic syndrome (MetS) markedly increases cardiovascular disease risk well beyond that of either condition. In this study we assess if this interaction can be explained by an additive increase in the risk of systemic inflammation by MetS and cigarette smoking. METHODS: We evaluated 5,503 healthy non-diabetic Brazilian subjects (mean age of 43 ± 10 years, 79% males). Participants were divided into sub-groups of smokers and non-smokers with or without MetS. High-sensitivity C reactive protein (hs-CRP) was measured to assess degree of underlying inflammation. RESULTS: Overall (19%) had hs-CRP > 3 mg/L. In adjusted regression analyses, compared to non-smokers, there was a 0.19 mg/L (95% CI: 0.05, 0.32) increase in hs-CRP among smokers in the entire population and 0.63 mg/L (95% CI: 0.26, 1.01) increase among smokers with MetS while there was no significant increase among smokers without MetS (ß = 0.09 95% CI: -0.05, 0.24). In a fully adjusted logistic regression model, smokers compared to non-smokers were 55% more likely to have elevated hs-CRP in the entire population (OR 1.55, 95% CI: 1.25, 1.92) and more than twice as likely to have elevated hs-CRP if they had MetS ( OR 2.05, 95% CI: 1.40, 3.01) while the risk was non-significant among those without MetS (OR = 1.29, 95% CI: 0.98, 1.69). CONCLUSION: The study demonstrates an additive effect of cigarette smoking on the risk of systemic inflammation in MetS thus highlighting the need for determining smoking status among those with MetS and aggressively targeting smoking cessation in this population.
RESUMO
Patients with obstructive sleep apnea (OSA) have a high burden of cardiovascular disease (CVD) but a causal relationship between OSA and atherosclerotic CVD remains unclear. We systematically reviewed the literature analyzing the relationship. A review of the Medline database for studies noninvasively evaluating subclinical CVD in OSA was conducted. A total of fifty-two studies were included in this review. Across the studies the prevalence of atherosclerosis, as assessed by coronary artery calcification, carotid intima-media thickness, brachial artery flow-mediated dilation and pulse wave velocity was higher in patients with OSA and correlated with increasing severity and duration of OSA. This study shows OSA is an independent predictor of subclinical CVD as CVD is more likely to occur in patients with long standing and severe OSA. Further research is however necessary to identify specific OSA populations that would benefit from aggressive screening.