Methodological issues in cohort studies that relate sodium intake to cardiovascular disease outcomes: a science advisory from the American Heart Association.

BACKGROUND: The results of cohort studies relating sodium (Na) intake to blood pressure-related cardiovascular disease (CVD) are inconsistent. To understand whether methodological issues account for the inconsistency, we reviewed the quality of these studies. METHODS AND RESULTS: We reviewed cohort studies that examined the association between Na and CVD. We then identified methodological issues with greatest potential to alter the direction of association (reverse causality, systematic error in Na assessment), some potential to alter the direction of association (residual confounding, inadequate follow-up), and the potential to yield false null results (random error in Na assessment, insufficient power). We included 26 studies with 31 independent analyses. Of these, 13 found direct associations between Na and CVD, 8 found inverse associations, 2 found J-shaped associations, and 8 found null associations only. On average there were 3 to 4 methodological issues per study. Issues with greater potential to alter the direction of association were present in all but 1 of the 26 studies (systematic error, 22; reverse causality, 16). Issues with lesser potential to alter the direction of association were present in 18 studies, whereas those with potential to yield false null results were present in 23. CONCLUSIONS: Methodological issues may account for the inconsistent findings in currently available observational studies relating Na to CVD. Until well-designed cohort studies in the general population are available, it remains appropriate to base Na guidelines on the robust body of evidence linking Na with elevated blood pressure and the few existing general population trials of the effects of Na reduction on CVD.

Towards the Provision of Palliative Care Services in the Intensive Coronary Care Units: Nurses' Knowledge, Training Needs, and Related-Barriers.

Despite the notable benefits of palliative care (PC) for patients with chronic diseases, its delivery to people with cardiac problems, particularly in the Middle East region (EMR), remains a critical issue. There is a scarcity of research assessing nursing staff's needs and knowledge in providing PC to cardiac patients in the EMR. This study aimed to assess the level of knowledge and needs of PC among nurses towards the provision of PC in intensive coronary care units (ICCUs) in the Gaza Strip, Palestine. It also identified the barriers to the provision of PC services in ICCUs in the Gaza Strip. A hospital-based descriptive quantitative cross-sectional design was adopted to collect data from 85 nurses working in ICCUs at four main hospitals in the Gaza Strip. Knowledge about PC was collected using a developed questionnaire based on the Palliative Care Quiz Nursing Scale (PCQN) and Palliative Care Knowledge Test (PCKT). PC training needs and barriers were assessed using the PC Needs Assessment instrument. Approximately two-thirds of nurses did not receive any PC educational or training programs, which contributed to their lack of PC knowledge. Most nurses would like to enroll in PC training programs, such as family support and communications skills courses. Nurses reported that there was a high demand for PC guidelines and discharge planning for patients with chronic illnesses. Insufficient healthcare professionals' knowledge about PC and a staff shortage were the main barriers to integrating PC into the Gaza healthcare system. This study suggests incorporating PC into nursing curricula and in-service training, and it covers both basic and advanced PC principles. Intensive coronary care unit nurses need knowledge and training about PC, guidance, and support to provide appropriate care to patients with cardiovascular issues.

[Coronary computed tomography and cardiac devices : Diagnostic results or nothing but artifacts?] / Koronare Computertomographie bei Device-Trägern : Sinnvolle Diagnostik oder nur Artefakt?

Coronary computed tomography (CT) angiography has become a major cornerstone in the diagnostic workup of cardiologic patients, particularly for evaluation of the coronary arteries and preprocedural planning of interventions for structural heart disease. Despite the possible problems that intensive electromagnetic radiation (including X­rays) might cause when directly impacting on implanted cardiac devices, cardiac CT is a safe diagnostic test and should not be withheld from patients with devices if properly indicated. Sufficient image quality is paramount for the evaluation; hence, special attention should be paid to a low heart rate (< 60 bpm) and sufficient compliance with breathing instructions. Furthermore, pacemaker or implantable cardioverter-defibrillator (ICD) leads may cause metal artifacts, especially around the lead tip. Their dense material causes beam hardening and streak artifacts which may result in reduced image quality and limited diagnostic assessability. The prevalence of such artifacts depends not only on lead material but also on lead positioning relative to the gantry plane. Metal artifacts are more frequent in patients with unipolar leads and shock coils, which can impair the assessment of coronary arteries, mainly of the right coronary artery (RCA). Artifacts caused by left ventricular (LV) leads of cardiac resynchronization therapy (CRT) systems tend to affect assessment of the left circumflex artery (LCX). By using dual energy CT and postprocessing algorithms, the impact of artifacts can be reduced and diagnostic image quality can be achieved in most cases. Unfortunately, the actual occurrence of such artifacts or the degree of impairment of image quality cannot be reliably predicted.

Renin Angiotensin Blockers and Cardiac Protection: From Basis to Clinical Trials.

Despite a similar beneficial effect on blood pressure lowering observed with angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II type 1 receptor (AT1R) blocker (ARBs), several clinical trials and meta-analyses have reported higher cardiovascular mortality and lower protection against myocardial infarction with ARBs when compared with ACEIs. The European guidelines for the management of coronary syndromes and European guidelines on diabetes recommend using ARBs in patients who are intolerant to ACEIs. We reviewed the main pharmacological differences between ACEIs and ARBs, which could provide insights into the differences in the cardiac protection offered by these 2 drug classes. The effect of ACEIs on the tissue and plasma levels of bradykinin and on nitric oxide production and bioavailability is specific to the mechanism of action of ACEIs; it could account for the different effects of ACEIs and ARBs on endothelial function, atherogenesis, and fibrinolysis. Moreover, chronic blockade of AT1 receptors by ARBs induces a significant and permanent increase in plasma angiotensin II and an overstimulation of its still available receptors. In animal models, AT4 receptors have vasoconstrictive, proliferative, and inflammatory effects. Moreover, in models with kidney damage, atherosclerosis, and/or senescence, activation of AT2 receptors could have deleterious fibrotic, vasoconstrictive, and hypertrophic effects and seems prudent and reasonable to reserve the use of ARBs for patients who have presented intolerance to ACE inhibitors.

Influenza as a threat to cardiovascular health and the role of vaccination in risk reduction / Az influenza mint kardiológiai rizikótényezo és a vakcináció szerepe a kockázat csökkentésében

The different types of cardiovascular diseases, including coronary heart disease, cardiac arrhythmias and heart failure are highly prevalent in the society. Cardiovascular diseases are the leading cause of mortality. Although the influenza is forced out from the mainstream of thinking nowadays because of the ongoing SARS-CoV-2 pandemic, it still has its serious epidemiological significance. The seasonal influenza epidemic often contributes to mortality mainly, but not exclusively among old, multi-morbid patients. There are a vast number of scientific publications and evidence which prove and emphasize the synergic health-destroying and mortality-increasing effect of co-existing cardiovascular disease and influenza. Moreover, the beneficial effect of vaccination against influenza infection and its major role in prevention is also well documented. The SARS-CoV-2 pandemic enforces the importance of influenza vaccination because both viruses can lead to severe or often fatal disease, especially among old and frail patients. In addition, the younger population can be far more vulnerable against the novel coronavirus in the case of a co-existing influenza infection. International guidelines recommend influenza vaccination for patients having heart disease, like for other high-risk populations. Despite the nationally reimbursed, cost-free vaccines, the influenza vaccination rate of the society is still low not just in Hungary but also internationally. The authors review the effect of influenza infection on heart diseases, and draw attention to the role of influenza vaccination in decreasing cardiovascular morbidity and mortality.

Clinical Significance of HSCARG for Atherosclerotic Coronary Heart Disease and Reduced ROS-Oxidative Stress in in Vivo and in Vitro Models via p47phox by NF-κB Activity.

INTRODUCTION: Coronary heart disease (CHD) is a dynamic process in which there are interactions between endothelial dysfunction, oxidative stress, and inflammatory responses. The aim of the present study was to investigate the function and mechanism of HSCARG in the treatment of CHD. METHODS: Male apolipoprotein E/low-density lipoprotein receptor-deficient mice were given a high-fat diet with 21% fat and 0.15% cholesterol for the in vivo model. Human umbilical vein endothelial cells were incubated with angiotensin II for the in vitro model. HSCARG expression was inhibited in patients or mice with CHD. RESULTS: HSCARG reduced oxidative stress in mice with CHD. HSCARG also reduced reactive oxygen species (ROS)-oxidative stress in the in vitro model. HSCARG induced p47phox expression in the in vitro model by NF-κB activity. The regulation of nuclear factor kappa B (NF-κB) activity or p47phox expression participates in the effects of HSCARG in CHD. CONCLUSION: Altogether, our data indicate that HSCARG reduced ROS-oxidative stress in in vivo and in vitro models of CHD via p47phox by NF-κB activity and may be a clinical target for CHD.

Dissection of coronary artery: A clinical overview.

Spontaneous coronary artery dissection (SCAD) is a rare but life-threatening disorder. SCAD is gaining importance as an emerging cause of acute coronary syndrome (ACS), especially in otherwise healthy young women. While SCAD and ACS show similarity in presentation, the management of SCAD differs to that of ACS. If not managed properly SCAD can lead to sudden death. This review examines the pathophysiology, clinical presentation, diagnostic algorithms, and the current and future management of SCAD.

Management of Cardiovascular Risk in Perimenopausal Women with Diabetes.

Cardiovascular disease is the primary cause of mortality in women and men with diabetes. Due to age and worsening of risk factors over the menopausal transition, risk of coronary heart disease events increases in postmenopausal women with diabetes. Randomized studies have conflicted regarding the beneficial impact of estrogen therapy upon intermediate cardiovascular disease markers and events. Therefore, estrogen therapy is not currently recommended for indications other than symptom management. However, for women at low risk of adverse events, estrogen therapy can be used to minimize menopausal symptoms. The risk of adverse events can be estimated using risk engines for the calculation of cardiovascular risk and breast cancer risk in conjunction with screening tools such as mammography. Use of estrogen therapy, statins, and anti-platelet agents can be guided by such calculators particularly for younger women with diabetes. Risk management remains focused upon lifestyle behaviors and achieving optimal levels of cardiovascular risk factors, including lipids, glucose, and blood pressure. Use of pharmacologic therapies to address these risk factors, particularly specific hypoglycemic agents, may provide some additional benefit for risk prevention. The minimal benefit for women with limited life expectancy and risk of complications with intensive therapy should also be considered.

Acute Myocardial Infarction and Percutaneous Coronary Intervention: What does the Epidemiological Data of the Last Years Indicate?

Abstract Background: ST-segment elevation acute myocardial infarction (STEMI) is a pathological process that involves cardiac muscle tissue death. Intravenous thrombolysis with fibrinolytics or primary percutaneous coronary intervention (PCI), an invasive technique, can be performed for tissue revascularization. PCI has been preferred as compared to non-invasive methods, although few studies have described its use in Brazil. Objectives: The aim of the present study was to analyze data on the use of primary PCI and investigate the relevance of hospitalizations for the treatment of STEMI in the country. Methods: A descriptive, cross-sectional analysis of data from the Brazilian Unified Health system (SUS) Department of Informatics (DATASUS) from 2010 to 2019 was conducted. Results: Hospitalizations for STEMI represented 0.6% of all hospital admissions in Brazil in the analyzed period, 0.9% of hospital costs, and 2.1% of deaths. The number of hospitalizations due to STEMI was 659,811, and 82,793 for PCIs. Length of hospital stay was 36.0% shorter and mortality rate was 53.3% lower in PCI. The mean cost of PCI was 3.5-fold higher than for treatment of STEMI. Conclusions: Data on hospitalizations for STEMI treatment in Brazil revealed high hospitalization and mortality rates, elevated costs, and long hospital stay. Although primary PCI is a more expensive and less used technique than other methods, it can reduce the length of hospital stay and mortality in the treatment of STEMI.

Clinical Significance of HSCARG for Atherosclerotic Coronary Heart Disease and Reduced ROS-Oxidative Stress in in Vivo and in Vitro Models via p47phox by NF-κB Activity

ABSTRACT Introduction: Coronary heart disease (CHD) is a dynamic process in which there are interactions between endothelial dysfunction, oxidative stress, and inflammatory responses. The aim of the present study was to investigate the function and mechanism of HSCARG in the treatment of CHD. Methods: Male apolipoprotein E/low-density lipoprotein receptor-deficient mice were given a high-fat diet with 21% fat and 0.15% cholesterol for the in vivo model. Human umbilical vein endothelial cells were incubated with angiotensin II for the in vitro model. HSCARG expression was inhibited in patients or mice with CHD. Results: HSCARG reduced oxidative stress in mice with CHD. HSCARG also reduced reactive oxygen species (ROS)-oxidative stress in the in vitro model. HSCARG induced p47phox expression in the in vitro model by NF-κB activity. The regulation of nuclear factor kappa B (NF-κB) activity or p47phox expression participates in the effects of HSCARG in CHD. Conclusion: Altogether, our data indicate that HSCARG reduced ROS-oxidative stress in in vivo and in vitro models of CHD via p47phox by NF-κB activity and may be a clinical target for CHD.

A Retrospective Study to Examine Healthcare Costs Related to Cardiovascular Events in Individuals with Hyperlipidemia.

INTRODUCTION: Few studies have demonstrated the cost burden of cardiovascular events (CVEs) among patients with hyperlipidemia. The primary objective of this study was to determine the mean costs associated with CVEs among patients with hyperlipidemia by follow-up time period. Secondary objectives of this study included characterizing costs by CVE type and coronary heart disease (CHD) risk. METHODS: This retrospective cohort study used longitudinal claims to calculate payer costs according to CHD risk level and type of CVE, during several follow-up periods (acute and short-term, comprising year 1; plus years 2 and 3). RESULTS: There were 193,385 patients with hyperlipidemia with a CVE. Costs in the acute (30-day) period were highest ($22,404) driven by inpatient care (77%). Costs remained high ($15,133 in year 3) with ambulatory care (from 14% in acute to 37% in year 3) and pharmaceutical costs (from 2% in acute to 24% in year 3) representing a greater proportion. After second and third CVEs, acute costs were lower than for the first CVE. But in the post-acute periods, costs were higher after second and third CVEs than after first CVEs. Acute costs varied considerably by type of CVE ($9149 for transient ischemic attack to $54,251 for coronary artery bypass graft; P < 0.001), but post-acute costs were more similar across types. Costs differed by baseline CHD risk for all follow-up periods (P < 0.001), but less than by CVE type. As expected, patients without CVEs had significantly lower costs. CONCLUSION: Among patients with hyperlipidemia, the economic burden of CVEs is substantial up to 3 years after a CVE. Costs remain high after subsequent CVEs and actually increase for non-inpatient utilization. FUNDING: Amgen Inc.

Perception of women with heart disease about their high-risk pregnancy / Percepción de mujeres cardíacas sobre su embarazo de alto riesgo / Percepção de mulheres com doenças cardíacas sobre sua gravidez de alto risco

Abstract: Framework: Although gestation marks some of the most important moments in a woman's life, it becomes complex when associated with the problems, limitations, and risks inherent in heart disease. Objective: to comprehend the meanings women with heart disease attribute to their high-risk pregnancy and to identify their perception of the risks to the mother-child binomial. Methodology: A quantiqualitative study involving 39 pregnant women with heart disease from a public university of an inland city of São Paulo, Brazil, was conducted. Data were collected through interviews with patients and analyzed using the Discourse of the Collective Subject. Results: This study showed high-risk gestation is a process linked to personal satisfaction and fulfillment of a dream, often associated with a lack of planning, uncertainties and fears. Some participants anchored in religion/spirituality to overcome difficulties, while others used self-reliance as a support. The risks are poorly understood and often underestimated. Conclusion: High-risk gestation is a process associated with personal satisfaction, fulfillment of a dream and even a common experience, often permeated by negative feelings about the inevitable risks to the mother-child binomial.

Resumen: Marco contextual: Aunque la gestación marca algunos de los momentos más importantes en la vida de una mujer, se vuelve compleja cuando se asocia con los problemas, las limitaciones y los riesgos inherentes a la enfermedad cardíaca. Objetivo: entender los significados que las mujeres con enfermedad cardíaca atribuyen a embarazos de alto riesgo e identificar su percepción de los riesgos para el binomio madre-hijo. Metodología: Fue desarrollado un estudio cuanti-cualitativo con 39 embarazadas cardíacas en una universidad pública en el interior de São Paulo, Brazil. Los datos fueron recolectados mediante entrevistas con pacientes y analizados mediante el Discurso del Sujeto Colectivo. Resultados: Este estudio reveló que el embarazo de alto riesgo es un proceso vinculado a satisfacción personal y cumplimiento de un sueño, muchas veces asociado con una falta de planificación, incertidumbres y miedos. Algunas participantes se apoyaron en la religión/espiritualidad para superar dificultades, mientras otras utilizaron la autoconfianza como apoyo. Hay poca comprensión y muchas veces subestimación de los riesgos. Conclusión: El embarazo de alto riesgo es un proceso asociado con satisfacción personal, cumplimiento de un sueño e incluso con una experiencia común, muchas veces permeada por sentimientos negativos sobre los riesgos inevitables para el binomio madre-hijo.

Resumo: Marco contextual: Embora a gestação marque alguns dos momentos mais importantes na vida de uma mulher, ela se torna complexa quando associada aos problemas, limitações e riscos inerentes às doenças cardíacas. Objetivo: compreender os significados que mulheres cardiopatas atribuem à gravidez de alto risco e identificar sua percepção sobre os riscos para o binômio mãe-filho. Metodologia: Foi realizado um estudo quantitativo com 39 gestantes cardiopatas de uma universidade pública de uma cidade do interior de São Paulo, Brasil. Os dados foram coletados por meio de entrevista com os pacientes e analisados por meio do Discurso do Sujeito Coletivo. Resultados: Este estudo mostrou que a gestação de alto risco é um processo atrelado à satisfação pessoal e realização de um sonho, muitas vezes associado à falta de planejamento, incertezas e medos. Alguns participantes se ancoraram na religião / espiritualidade para superar as dificuldades, enquanto outros usaram a autossuficiência como suporte. Os riscos são mal compreendidos e frequentemente subestimados. Conclusão: A gestação de alto risco é um processo associado à satisfação pessoal, realização de um sonho e até mesmo uma experiência comum, muitas vezes permeada por sentimentos negativos sobre os riscos inevitáveis para o binômio mãe-filho.

Diagnostic Capabilities of 64 Slice CT Coronography Compared to Classic in Coronary Disease Detection.

INTRODUCTION: Cardiovascular disease, among which the most common is coronary disease of the hearth are the main cause of death at middle aged persons in the majority of European countries. Percent of cardiovascular disease in overall mortality among our population is even more than 50%. Up to 55 years of live myocardial infarction is by 5-6 times more common among men, and up to age of 75 years that difference decreases to 2.5 times. GOAL: The goal of this study is to determine the diagnostic value of 64 slices computerized tomography in detection of coronary disease compared to classic, invasive coronography. MATERIAL AND METHODS: Study included 50 patients, of both genders, at average age of 60 years. Patients underwent CT coronography as well as classic coronography. RESULTS: Our research prove that the sensitivity of MSCT coronography 92% with positive predictive value of 86%. Mayor difference was in the analysis of CX artery in the evaluation of significant and non-significant stenosis in application of these two methods. During the analysis of LAD and RCA artery there was no statistically significant difference in findings of these two methods. CONCLUSION: CT coronography is non-invasive, comfortable and reliable method in coronary disease diagnostics. Thanks to its high sensitivity and PPV it enables reliable exclusion of coronary disease and takes significant place in a cardiovascular diseases diagnostic algorithm.

[Cardiac MRI: technology, clinical applications, and future directions]. / IRM cardiaque : technologie actuelle, applications cliniques et perspectives futures.

The field of cardiovascular MRI has evolved rapidly over the past decade, feeding new applications across a broad spectrum of clinical and research areas. Advances in magnet hardware technology, and key developments such as segmented k-space acquisitions, advanced motion encoding techniques, ultra-rapid perfusion imaging and delayed myocardial enhancement imaging have all contributed to a revolution in how patients with ischemic and non-ischemic heart disease are diagnosed and treated. Actually, cardiac MRI is a widely accepted method as the "gold standard" for detection and characterization of many forms of cardiac diseases. The aim of this review is to present an overview of cardiac MRI technology, advances in clinical applications, and future directions.