Superiority of photon-counting computed tomography for detecting high-risk unstable angina patients: two case reports.

Coronary artery disease is the leading cause of death among non-communicable diseases. The management strategy prioritizes early detection and optimal treatment, with emerging roles for imaging approaches. Photon-counting computed tomography is a new non-invasive diagnostic imaging tool that can detect high-risk plaques in coronary artery disease patients.

Kounis syndrome following COVID-19 vaccination: Clinical manifestations, mechanisms and management.

Kounis syndrome is an acute coronary syndrome triggered by allergic mediators that induce coronary vasoconstriction and thrombosis, leading to further myocardial damage and anaphylactic shock. Kounis syndrome is also a rare but severe adverse reaction to the COVID-19 vaccine, a phenomenon that underscores the importance of collecting and analyzing similar cases to improve treatment and prognosis. Through comprehensive searches of the Web of Science, Embase, and PubMed databases, this study aimed to gather detailed patient data on patients who developed Kounis syndrome after receiving the COVID-19 vaccine and to further investigate the possible underlying mechanisms using currently available studies.

Two rare cases of Brucella-induced endocarditis and myopericarditis: challenges in diagnosis.

Introduction: Brucellosis is one of the most common zoonotic infections in the world. Cardiac complications of the disease are usually in the form of endocarditis, and, to a lesser extent, in the form of myopericarditis.

Case: We report the case of a 34-year-old female admitted with signs of fever, nausea, and headache.

Comparison of outcomes of Impella-assisted high-risk percutaneous coronary intervention in patients with and without prior coronary artery bypass graft.

Background: Limited data is available regarding in-hospital outcomes of patients undergoing high-risk percutaneous coronary intervention (HR-PCI) with Impella with and without a prior history of coronary artery bypass grafting (CABG).

Methods: We performed a retrospective study from the Nationwide Inpatient Sample from year 2016 to 2020. We identified patients who underwent Impella and percutaneous coronary intervention on the same day and excluded those with cardiogenic shock.

[A 38 YEARS-OLD YOUNG MALE WITH CHEST PAIN AND ECG CHANGES].

Coronary vasospasm is a well-known condition causing acute chest syndrome and can lead to myocardial infarction, ventricular arrhythmias, and even sudden cardiac death. While there are extensive case series showing the association of coronary vasospasm with drugs like cocaine, the association of marijuana with coronary vasospasm has not been reported frequently. When smoked, marijuana results in a rapid, dose-dependent tachycardia, an increase in blood pressure, and an increase in cardiac output.

Application of Robotic-Assisted Percutaneous Coronary Intervention for Acute Coronary Syndrome: A Case Series.

This case series highlights the successful application of robotic-assisted percutaneous coronary intervention using the R-One+ system in two acute coronary syndrome patients with significant coronary lesions. The procedures demonstrated the technology's safety, performance, and benefits such as minimal contrast use, reduced operator radiation exposure, and optimal procedural times.

Acute Electrocardiographic Changes Coincident With Dofetilide Overdose and Acute Coronary Syndrome.

A 73-year-old man with atrial fibrillation and coronary disease requiring stenting to the right coronary artery 7 months prior was admitted for observation after taking an extra dofetilide dose. Troponins trended upward, and electrocardiogram demonstrated QT prolongation to 502 ms as well as T-wave inversions. The patient underwent cardiac catheterization, which revealed severe distal left main disease.

ST-Segment Elevation: Hypocalcemia or Takotsubo Syndrome? A Diagnostic Dilemma.

A wide range of etiologies, both ischemic and nonischemic, can produce an electrocardiographic pattern of ST-segment elevation (STE), including Takotsubo syndrome (TTS) and electrolyte imbalances. Instances of hypocalcemia-induced TTS and STE are exceedingly rare in medical literature. This paper presents the case of a 75-year-old woman with advanced ovarian cancer and no prior heart issues, who exhibited diffuse STE on electrocardiogram, resembling acute coronary syndrome.

Recurrent Acute Myocardial Infarction in a Patient with Severe Coronary Artery Ectasia Followed Up for 10 Years: Implications of Anticoagulant Therapy.

BACKGROUND Coronary artery ectasia (CAE) represents not only an anatomical variant but also a clinical constellation of coronary artery disease associated with acute coronary syndrome (ACS). There is no consensus on the antithrombotic treatment for patients with CEA. CASE REPORT A 34-year-old man with severe diffuse dilatation of the left main artery and left circumflex (LCX) proximal segment confirmed by coronary angiography (CAG) developed 2 acute myocardial infarctions (AMIs), due to occlusion of a dilated LCX segment with thrombus shadows, within a 9-year interval.

The impact of metabolic syndrome on coronary artery severity in patients with acute myocardial infarction: A perspective from a developing country.

Introduction: Metabolic syndrome (MetS) has been frequently observed in patients with acute myocardial infarction (AMI). However, there is limited research assessing the impact of metabolic syndrome on coronary artery severity in patients with acute myocardial infarction.

Methods: We analyzed 199 patients with AMI who underwent invasive coronary angiography.

The efficacy of colchicine compared to placebo for preventing ischemic stroke among individuals with established atherosclerotic cardiovascular diseases: a systematic review and meta-analysis.

Colchicine is an anti-inflammatory drug with promising efficacy for preventing cardiovascular events. We aimed to assess the pooled effect of colchicine on ischemic stroke among patients with established atherosclerotic cardiovascular diseases. .

Impact of ECPELLA support on 1-year outcomes and myocardial damage in patients with acute myocardial infarction and refractory cardiogenic shock: A single-center retrospective observational study.

Background: Venoarterial-extracorporeal membrane oxygenation (VA-ECMO) is a vital mechanical circulatory support for treating patients with refractory cardiogenic shock (CS). VA-ECMO can improve end-organ perfusion; however, it increases left ventricular (LV) afterload, resulting in further myocardial damage. ECPELLA, a combination of VA-ECMO and Impella (Abiomed Inc.

Self-administration of aspirin for acute chest pain-Does it prevent premature cardiovascular mortality?

Aspirin as a class I guideline recommended medical treatment for acute coronary syndrome has been established for decades [1]. As early intake of aspirin is crucial, self-administration of aspirin in acute chest pain might be beneficial when weighing up the potential harm including a slightly elevated bleeding risk in patients with chest pain of another origin than myocardial infarction against the benefit in patients with coronary ischemia.

Alirocumab and chest pain after acute coronary syndrome: An analysis of ODYSSEY OUTCOMES.

Background: Patients with recent acute coronary syndrome (ACS) commonly experience chest pain, which affects quality of life even when not due to recurrence of ACS. This post hoc analysis of ODYSSEY OUTCOMES assessed the effect of alirocumab, a proprotein convertase subtilisin/kexin type 9 inhibitor, on the incidence of chest pain not due to recurrent ACS.

Methods: Patients with recent ACS ( = 18,894) and elevated atherogenic lipoprotein levels despite optimized statin therapy were randomized to subcutaneous alirocumab or matching placebo every 2 weeks.

Smartwatch ECG and artificial intelligence in detecting acute coronary syndrome compared to traditional 12-lead ECG.

Background: Acute coronary syndromes (ACS) require prompt diagnosis through initial electrocardiograms (ECG), but ECG machines are not always accessible. Meanwhile, smartwatches offering ECG functionality have become widespread. This study evaluates the feasibility of an image-based ECG analysis artificial intelligence (AI) system with smartwatch-based multichannel, asynchronous ECG for diagnosing ACS.

The Impact of the Coexistence of Frailty Syndrome and Cognitive Impairment on Early and Midterm Complications in Older Patients with Acute Coronary Syndromes.

The ageing population has heightened interest in the prognostic role of geriatric conditions, notably frailty syndrome (FS) and cognitive impairment (CI). Evidence indicates a significant link between cardiovascular disease, FS, and CI. However, limited research has explored the impact of impaired functional and cognitive performance on outcomes in acute coronary syndrome (ACS) patients.

Comparative Short-Term Outcomes of Double-Kissing Culotte and Culotte Techniques in Acute Coronary Syndrome from the Lower Silesia Culotte Bifurcation Registry.

The double-kissing (DK) culotte technique is a modification of the culotte technique that employs initial kissing balloon inflation after first stent implantation. The DK culotte technique may improve strut apposition and procedural outcomes; however, data on its efficacy and safety remain limited. This study aimed to investigate the short-term outcomes of bifurcation percutaneous coronary intervention (PCI) using the DK culotte technique compared with those of the culotte technique in patients with acute coronary syndrome (ACS).

Looking Back, Leaning Forward-A Contemporary Overview of Acute Coronary Syndrome.

Cardiovascular disease (CVD) remains the most common cause of morbidity and mortality worldwide [...

Air Pollution and Myocardial Infarction-A New Smoker's Paradox?

Ambient air pollution is a significant public health concern, known to affect cardiovascular health adversely. Research has identified both long-term and short-term cardiovascular risks associated with various air pollutants, including those linked to acute coronary syndromes. However, the observed effects are rather small, with most data sourced from highly polluted regions.

Clinical Efficacy and Safety of Reduced-Dose Prasugrel After Percutaneous Coronary Intervention for Taiwanese Patients with Acute Coronary Syndromes.

: The efficacy and safety of reduced-dose prasugrel (loading dose/maintenance dose: 20/3.75 mg) in preventing major adverse cardiovascular events (MACEs) among patients with acute coronary syndrome (ACS) undergoing percutaneous coronary intervention (PCI) have been well-estab-lished. However, long-term real-world data for this population remains limited in Taiwan.

Chronic Total Occlusions in Non-Infarct-Related Coronary Arteries and Long-Term Cardiovascular Mortality in Patients Receiving Percutaneous Coronary Intervention in Acute Coronary Syndromes.

: Patients with non-infarct-related artery chronic total occlusion (non-IRA CTO) found during percutaneous coronary intervention (PCI) in acute coronary syndromes (ACSs) are not rare and have worse clinical outcomes. We aimed to analyze their long-term clinical outcomes in regard to clinical characteristics, revascularization strategies, and adherence to medical therapy. : The dual-center ACS registry of patients treated from Jan 2017 to May 2023 was used to identify 1950 patients with timely PCI in ACS who survived to discharge with documented adequate demographic, clinical, and angiographic characteristics, treatment strategies, and medical therapy adherence during a median follow-up time of 49 months.

Unlocking the Secrets of Acute Coronary Syndromes Using Intravascular Imaging: From Pathophysiology to Improving Outcomes.

Acute coronary syndrome (ACS) represents the most severe manifestation of coronary artery disease. Intravascular imaging, both intravascular ultrasound (IVUS) and optical coherence tomography (OCT), have played crucial roles for the impressive reduction in mortality of ACS. Intravascular imaging is useful for the detection of atherosclerotic mechanism (plaque rupture, calcified nodules, or plaque erosions) and for the evaluation of nonatherosclerotic and nonobstructive types of ACS.

Transcriptional Activity of Tumor Necrosis Factor Alpha Genes and Their Receptors in Patients with Varying Degrees of Coronary Artery Disease.

Coronary artery disease and its complications are one of the most common causes of morbidity and death worldwide. The aims of this study were to assess the transcriptional activity of the studied TNF-α genes and their receptors in patients with various degrees of coronary artery disease and in the control group, as well as to attempt to link it with the size of the left ventricular ejection fraction and the number of diseased coronary arteries. Taking into account the inclusion and exclusion criteria, a total of 240 people (100%) qualified for this study.