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Background: Self-care and empowerment promotion in patients with heart failure (HF) is essential for improving their prognosis, but there is limited information concerning the patients' depth of knowledge about this pathology as well as patient satisfaction within heart failure units (HFUs). Our objective was to assess both aspects in a cohort of patients regularly followed-up HFUs. Methods: A multicenter, observational study was conducted with consecutive patients followed in 14 HFUs between June and November 2023. It was based on a cross-sectional survey comprising 23 questions related to demographics, knowledge/self-care, and the subjective assessment of perceived quality and satisfaction in HFUs. Results: 281 patients were included (36.7% women, 74.7% aged over 65 years). 48% had hospitalizations for HF or sought emergency department services within the preceding year. The mean correct responses related to knowledge were 9.7 ± 2.3 (80.7% of the total), and 53 patients (18.9%) answered all knowledge questions correctly. 211 (79.6%) could identify potential HF decompensation with abrupt weight gain, and 196 (74.2%) recognized at least three additional signs of worsening HF. 266 patients (98.2%) were likely or very likely to recommend HFUs, and 194 (89.8%) positively appreciated the experience at the day hospital. Conclusions: Patients followed up in HFUs showed adequate but improvable knowledge and capacity for self-care, with a high level of satisfaction.

Background: A circadian rhythm of myocardial infarction has been described but there is little data on its relation with seasons and months. Methods: From June 2013 to June 2018, we analyzed the alerts for acute ST-segment elevation myocardial infarction (STEMI) in a Spanish region with 6.64 million inhabitants, universal health coverage, and an organized STEMI reperfusion network. We selected those patients which an identifiable culprit plaque. Results: We recruited 6765 cases of STEMI due to type I acute myocardial infarction (type-I AMI), with mean age of 63.2 years (range 17–101, standard deviation [SD] 13.7), 5238 were males (77.4%) and 2801 (41.9%) were 65 years or older. The hourly distribution followed a fixed pattern in all months, with most of the events occurring between 6:00 AM and 4:00 PM, a peak at approximately 01:00 PM and a valley between 10:00 PM and 06:00 AM. No significant difference was found when comparing the mean time to first medical contact between July (the month with more daylight hours) and December (the month with shortest days). No significant differences were found between male and female patients, or between patients aged 65 years or older and younger patients. There was a close correlation between the number of events per month and the number of events occurring during the day (6 AM to 6 PM, r = 0.988, p = 0.001) and during the night (6 PM to 6 AM, r = 0.944, p < 0.001), with different slopes of the regression lines (t-test, p < 0.001), so that the difference between day-night occurrences increased with the total incidence. Conclusions: There is a circadian pattern in the presentation of STEMI that is not influenced by sex and age. The different incidence of STEMI at different times of the year does not affect the circadian pattern in terms of the shape of the curve or the mean time of presentation, although diurnal events increase more than nocturnal events, suggesting that triggers are most likely to act during vulnerable periods as determined by a circadian-based rhythm.

With population aging and the subsequent accumulation of cardiovascular risk factors, a growing proportion of patients presenting with acute coronary syndrome (ACS) are octogenarian (aged between 80 and 89). The marked heterogeneity of this population is due to several factors like age, comorbidities, frailty, and other geriatric conditions. All these variables have a strong impact on outcomes. In addition, a high prevalence of multivessel disease, complex coronary anatomies, and peripheral arterial disease, increases the risk of invasive procedures in these patients. In advanced age, the type and duration of antithrombotic therapy need to be individualized according to bleeding risk. Although an invasive strategy for non-ST-segment elevation acute myocardial infarction (NSTEMI) is recommended for the general population, its need is not so clear in octogenarians. For instance, although frail patients could benefit from revascularization, their higher risk of complications might change the risk/benefit ratio. Age alone should not be the main factor to consider when deciding the type of strategy. The risk of futility needs to be taken into account and identification of risk factors for adverse outcomes, such as renal impairment, could help in the decision-making process. Finally, an initially selected conservative strategy should be open to a change to invasive management depending on the clinical course (recurrent angina, ventricular arrhythmias, heart failure). Further evidence, ideally from prospective randomized clinical trials is urgent, as the population keeps growing.

The rate of octogenarians among patients with non-ST segment elevation acute coronary syndrome (NSTEACS) will continue to increase in the coming years due to population aging. Routine invasive management of NSTEACS has shown long-term benefit in general population but evidence-based recommendations in this subset of patients remain scarce. The decision-making process in elderly patients should take into account several geriatric factors including frailty, comorbidities, dependency, cognitive impairment, malnutrition, and polymedication. Chronological age is a poor marker of the biological situation in octogenarians and heterogeneity is common. Recent studies support an invasive strategy in most octogenarians. However, observational data suggest that significant comorbidities seem to be related to futility of an invasive approach whereas the risk-benefit balance in frail patients might favor revascularization. Further studies are needed to define a tailored approach in each octogenarian with NSTEACS through a better assessment and quantification of frailty, comorbidities and ischemic risk.

The heart, like most mammalian organs, is influenced by circadian patterns. The suprachiasmatic nucleus in the hypothalamus has a key role in this influence, via various neurohumoral factors, particularly the autonomic nervous system. In addition, a local cardiac peripheral clock might drive a circadian rhythm related to the expression of ion channels. Several myocardial functions are influenced by these circadian cycles including activity/rest, regeneration, nutrient storage, growth, and myocardial repair. Numerous circadian genes have been identified in basic studies, and both biological factors and environmental features (including epigenetic) influence the human circadian rhythm. A normal circadian rhythm is important to maintain a normal heart rhythm and circadian rhythm disturbances can predispose to the development of cardiac arrhythmias. The normal heart rate presents a daily variability with a morning peak and nocturnal bradycardization. Ventricular arrhythmias and sudden death are more likely to occur in the morning after waking, while atrial fibrillation and heart blocks most commonly occur at night. Drugs such as beta-blockers might modify the chronobiology of some of these arrhythmias. On the other hand, drugs that influence circadian rhythm, like the circadian hormone melatonin, have demonstrated pleiotropic properties and show promising results as antiarrhythmics. This review is focused on the current understanding of the basic mechanism and clinical implications of the association circadian rhythms-cardiac arrhythmias/sudden death. The close relationship between circadian patterns and arrhythmias may provide us with the possibility of novel interventions to decrease the arrhythmic risk in some patients.

Pharmacotherapy is the cornerstone treatment for patients with heart failure (HF) that uses drugs targeting the renin-angiotensin-aldosterone system (RAAS), including angiotensin-converting enzyme (ACE) inhibitors, angiotensin receptor blockers (ARBs), and the angiotensin receptor-neprilysin inhibitor (ARNI) sacubitril/valsartan. This article reviews the pathophysiology of the RAAS and the neurohormonal changes seen in patients with HF as well as the targets and the mode of action of these drugs. We also assess the role of ACE in ventricular remodeling and summarize the main evidence for the use of ACE-related drugs in HF patients.

Non-ST segment elevation myocardial infarction (NSTEMI) is the most frequent type of acute coronary syndrome in the elderly. Antithrombotic therapy is the cornerstone of pharmacological therapy in the setting of an acute ischemic event, a clinical scenario in which thrombotic and bleeding risks ought to be considered, particularly in older patients. In this article, specific aspects of antithrombotic therapy in elderly patients with NSTEMI are reviewed, including pharmacokinetic and pharmacodynamic characteristics and different clinical situations. The role of frailty and other common geriatric conditions, that are associated with worse prognosis in elderly patients with cardiovascular disease, is also addressed.

Background: Abiotrophia spp. and Granulicatella spp. are Gram-positive cocci, formerly known as nutritionally variant or deficient Streptococcus. Their role as causative agents of infective endocarditis (IE) is numerically uncertain, as well as diagnostic and clinical management of this infection. The aim of our study is to describe the clinical, microbiological, therapeutic, and prognosis of patients with IE caused by these microorganisms in a large microbiology department. Methods: Retrospective analysis of all the patients with Abiotrophia spp. and Granulicatella spp. IE registered in our centre in the period 2004–2021. Results: Of the 822 IE in the study period, 10 (1.2%) were caused by Abiotrophia spp. (7) or Granulicatella spp. (3). The species involved were A.defectiva (7), G.adiacens (2) and G.elegans (1). Eight patients were male, their mean age was 46 years and four were younger than 21 years. The most frequent comorbidities were congenital heart disease (4; 40%) and the presence of intracardiac prosthetic material (5; 50%). IE occurred on 5 native valves and 5 prosthetic valve or material. Blood cultures were positive in 8/10 patients, within a mean incubation period of 18.07 hours. In the other two patients, a positive 16SPCR from valve or prosthetic material provided the diagnosis. Surgery for IE was performed in seven patients (70%) and in all cases positive 16S rRNA PCR and sequencing from valve or prosthetic material was demonstrated. Valves and/or prosthetic removed material cultures were positive in four patients. Nine patients received ceftriaxone (4 in monotherapy and 5 in combination with other antibiotics). The mean length of treatment was 6 weeks and IE-associated mortality was 20% at one year follow-up. Conclusions: Abiotrophia spp. or Granulicatella spp. IE were infrequent but not exceptional in our environment and particularly affected patients with congenital heart disease or prosthetic material. Blood cultures and molecular methods allowed the diagnosis. Most of them required surgery and the associated mortality, in spite of a mean age of 46 years, was high.

Age is associated with increased cardiovascular risk factors and cardiovascular disease, which constitutes the leading cause of morbidity and mortality in elderly population. In this text we thoroughly review current evidence regarding the impact on cardiovascular disease of the most important cardiovascular risk factors, especially prevalent and common in the elderly population. Diagnosis and treatment approaches are also addressed, also highlighting the importance of adequate primary and secondary prevention and management. Also, the relationship between cardiovascular disease and some comorbidities and geriatric conditions, such as frailty, particularly common in the elderly, is reviewed, together with some other issues, less often addressed but closely related to ageing, such as genetics, structural and electrical heart changes and oxidative stress. All such questions are of great importance in the comprehensive approach of risk factors and cardiovascular disease in the elderly.

Acute coronary syndrome (ACS) is one of the main causes of mortality and morbidity in the elderly. The prevalence of ACS increases with age and patients with advanced age have some co-morbidities that require an individualized approach, which includes a comprehensive geriatric assessment. Ageism is a matter of great concern. In this scenario, some ethical conflicts may arise which should be anticipated, considered, and solved. Clinicians will need to prioritize and allocate resources, to avoid futility/proportionality, which is not always easy to assess in these patients. This review aims to summarize the evidence regarding ethical conflicts that may arise in the management of patients with ACS and advanced age. We will discuss how to choose the best option (which frequently is not the only one) with the lowest risk for harm, considering and respecting the patients’ decision. The four basic principles of bioethics (beneficence, non-maleficence, autonomy, and justice) are thoroughly reviewed, and discussed, regarding their role in the decision making process.