Acute myocarditis (especially) and pericarditis have been consistently associated with the administration of vaccines against SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2), generating anxiety in the general population, uncertainty in the scientific community and obstacles to ambitious mass vaccination programs, especially in foreign countries. Like some of its European counterparts, the Portuguese Society of Cardiology (SPC), through its Studies Committee, decided to take a position on some of the most pressing questions related to this issue: (i) How certain are we of this epidemiological association? (ii) What is the probability of its occurrence? (iii) What are the pathophysiological bases of these inflammatory syndromes? (iv) Should their diagnosis, treatment and prognosis follow the same steps as for typical idiopathic or post-viral acute myopericarditis cases? (v) Is the risk of post-vaccine myocarditis great enough to overshadow the occurrence of serious COVID-19 disease in unvaccinated individuals? In addition, the SPC will issue clinical recommendations and offer its outlook on the various paths this emerging disease may take in the future.

Myocarditis and/or pericarditis (also known as myopericarditis) are inflammatory diseases involving the myocardium (with non-ischemic myocyte necrosis) and/or the pericardial sac. Myocarditis/pericarditis (MPC) may present with variable clinical signs, symptoms, etiologies and outcomes, including acute heart failure, sudden death, and chronic dilated cardiomyopathy. Possible undiagnosed and/or subclinical acute myocarditis, with undefined potential for delayed manifestations, presents further challenges for diagnosing an acute disease and may go undetected in the setting of infection as well as adverse drug/vaccine reactions. The most common causes of MPC are viral, with non-infectious, drug/vaccine associated hypersensitivity and/or autoimmune causes being less well defined and with potentially different inflammatory mechanisms and treatment responses. Potential cardiac adverse events following immunization (AEFIs) encompass a larger scope of diagnoses such as triggering or exacerbating ischemic cardiac events, cardiomyopathy with potential heart failure, arrhythmias and sudden death. The current published experience does not support a potential causal association with vaccines based on epidemiologic evidence of relative risk increases compared with background unvaccinated incidence. The only evidence supporting a possible causal association of MPC with a vaccine comes from case reports. Hypersensitivity MPC as a drug/vaccine induced cardiac adverse event has long been a concern for post-licensure safety surveillance, as well as safety data submission for licensure. Other cardiac adverse events, such as dilated cardiomyopathy, were also defined in the CDC definitions for adverse events after smallpox vaccination in 2006. In addition, several groups have attempted to develop and improve the definition and adjudication of post-vaccination cardiovascular events. We developed the current case definitions for myocarditis and pericarditis as an AEFI building on experience and lessons learnt, as well as a comprehensive literature review. Considerations of other etiologies and causal relationships are outside the scope of this document.

The AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR guidelines 2021 on thoracic pain focusses on chest pain as a single but important symptom. The guidelines fall back on many guidelines on cardiac disease entities, such as myocardial infarction with (STEMI) or without ST segment elevation (NSTEMI), chronic coronary artery disease (CAD), pericarditis and aortic dissection. They also refer to guidelines on cardiac syndromes, such as acute coronary syndrome (ACS) or ACS without persisting ST segment elevation (NSTE-ACS), in which angina pectoris is an integral component. The guideline separates acute from stable angina pectoris. It gives a comprehensive overview on risk stratification and clinical work-up of chest pain. It stretches the main theme to angina equivalents, such as dyspnoe. They meticulously weigh up the noninvasive against the invasive diagnostic methods under the aspects of a cost-benefit analysis. In this context, a clear trend towards evidence-based, cost-effective noninvasive methods in recent years is unmistakable.
UNASSIGNED: Die AHA/ACC/ASE/CHEST/SAEM/SCCT/SCMR-Leitlinie 2021 zum Thoraxschmerz wählt den Brustschmerz als ein einziges, aber wichtiges Symptom zum zentralen Thema. Sie greift dabei zurück auf zahlreiche Leitlinien zu kardialen Krankheitsentitäten wie dem Myokardinfarkt mit (STEMI) oder ohne ST-Strecken-Hebung (NSTEMI), die chronische koronare Herzkrankheit (KHK), die Perikarditis oder die Aortendissektion. Oder sie nimmt Bezug auf Leitlinien zu kardialen Syndromen wie dem akuten Koronarsyndrom (ACS) oder dem ACS ohne persistierende ST-Strecken-Hebungen (NSTE-ACS), in denen Angina pectoris integraler Bestandteil ist. Sie differenziert zwischen akutem, instabilem Brustschmerz einerseits und stabilem Thoraxschmerz andererseits und berücksichtigt auch Anginaäquivalente wie Dyspnoe im Kontext von kardialen und nichtkardialen Erkrankungen. Sie wägt die nicht-invasiven und invasiven diagnostischen Methoden unter dem Gesichtspunkt einer Kosten-Nutzen-Analyse sorgfältig gegeneinander ab. Dabei ist der Trend zu evidenzbasierten, kostengünstigen nicht-invasiven Methoden in den letzten Jahren unverkennbar.

Advances in treatment, common cardiovascular (CV) risk factors and the ageing of the population have led to an increasing number of cancer patients presenting with acute CV diseases. These events may be related to the cancer itself or the cancer treatment. Acute cardiac care specialists must be aware of these acute CV complications and be able to manage them. This may require an individualized and multidisciplinary approach. We summarize the most common acute CV complications of cytotoxic, targeted, and immune-based therapies. This is followed by a proposal for a multidisciplinary approach where acute cardiologists work close together with the treating oncologists, haematologists, and radiation specialists, especially in situations where immediate therapeutic decisions are needed. In this first part, we further focus on the management of acute coronary syndromes and acute pericardial diseases in patients with cancer.

This review examined the relevance of chest pain, pericardial friction rub, pericardial effusion and ECG changes in regard to the diagnosis of acute pericarditis. It also assessed the evidence for the management and therapeutic guidelines, specifically nonsteroidal anti-inflammatory drugs (NSAIDs), colchicine and corticosteroids. Overall, there appears to be a lack of research into pericarditis. The bulk of high-quality research seems to have been carried out prior to the publication of the European Society of Cardiology guidelines of 2015. Diagnostically, the current combination of symptoms, clinical signs and investigations offer reasonable criteria for diagnosis, but they are not a gold standard. Research into its therapeutic treatment options is required to address the effects of specific nonsteroidal anti-inflammatory drugs (NSAIDs).

Restrictive cardiomyopathies (RCMs) are a diverse group of myocardial diseases with a wide range of aetiologies, including familial, genetic and acquired diseases and ranging from very rare to relatively frequent cardiac disorders. In all these diseases, imaging techniques play a central role. Advanced imaging techniques provide important novel data on the diagnostic and prognostic assessment of RCMs. This EACVI consensus document provides comprehensive information for the appropriateness of all non-invasive imaging techniques for the diagnosis, prognostic evaluation, and management of patients with RCM.

Cardiac disease in SSc can manifest in various ways and is associated with a poor prognosis. There is little evidence on how best to detect and manage cardiac disease in SSc. Our objective was to produce an expert consensus best practice pathway for the management of cardiac disease in SSc.
The UK Systemic Sclerosis Study Group set up several working groups to develop a number of consensus best practice pathways for the management of SSc-specific complications, including cardiac disease. A multidisciplinary task force was convened. The guidelines were partly informed by a comprehensive literature review.
A best practice pathway for cardiac disease (with a focus on primary cardiac disease) in SSc is presented, including approaches for early detection and standard pharmacological and device therapies. Due to the benefits, shared care and a multidisciplinary approach are recommended. A future research agenda has been formulated in response to the relative lack of understanding of the natural history of primary cardiac disease that was highlighted by the initiative.
The physician should be alert to the possibility of cardiac disease in SSc; it is best managed within a multidisciplinary team including both rheumatologists and cardiologists. This pathway provides a reference for all physicians managing patients with SSc.

Pericardial diseases are not uncommon in daily clinical practice. The spectrum of these syndromes includes acute and chronic pericarditis, pericardial effusion, constrictive pericarditis, congenital defects, and neoplasms. The extent of the high-quality evidence on pericardial diseases has expanded significantly since the first international guidelines on pericardial disease management were published by the European Society of Cardiology in 2004. The clinical practice guidelines provide a useful reference for physicians in selecting the best management strategy for an individual patient by summarizing the current state of knowledge in a particular field. The new clinical guidelines on the diagnosis and management of pericardial diseases that have been published by the European Society of Cardiology in 2015 represent such a tool and focus on assisting the physicians in their daily clinical practice. The aim of this review is to outline and emphasize the most clinically relevant new aspects of the current guidelines as compared with its previous version published in 2004.

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