Development of Takotsubo cardiomyopathy following spontaneous coronary artery dissection in a patient with fibromuscular dysplasia.

New-onset Takotsubo cardiomyopathy following spontaneous coronary artery dissection (SCAD) is rare. We report a middle-aged woman without significant cardiovascular risk factors, who initially presented with non-ST-elevation myocardial infarction (NSTEMI) with angiography showing sudden 'pruning' of the coronary artery consistent with SCAD. One week later, the patient returned with recurrent NSTEMI. Repeat coronary angiogram showed no change in SCAD, but ventriculogram revealed new-onset apical ballooning beyond the SCAD-affected territory, consistent with Takotsubo cardiomyopathy. Further head-to-pelvis angiogram revealed an irregular beaded appearance of the left vertebral artery consistent with fibromuscular dysplasia. The patient was managed conservatively with aspirin, carvedilol and escitalopram with complete resolution of cardiac and mood symptoms. Our case supports an association between SCAD and Takotsubo cardiomyopathy in a potentially mutually aggravating process. Clinical vigilance is therefore required to rule out the other condition when one of the two entities is diagnosed.

Intra-Atrial Right Coronary Artery: A Condition Revealed by Coronary CT Scan.

Coronary artery anomalies are rare and may involve the coronary origin, course, or termination. Most are benign; however, some can lead to myocardial damage, sudden death, or potential hazards during interventional or surgical procedures. The advancement of imaging studies has led to an increase in their diagnosis. Coronary computed tomography angiography (CCTA) especially has characterized new anomalies that were previously anecdotal. This is the case of the intra-atrial course of the right coronary artery. The present is a brief review about this rare congenital anomaly.

Uncommon triple vessel spontaneous coronary artery dissection in the setting of polyarteritis nodosa: a case report.

INTRODUCTION AND IMPORTANCE: Spontaneous coronary artery dissection is a rare cause of acute coronary syndromes not related to atherosclerosis. It involves the sudden tearing of the coronary artery wall, separating the inner intimal lining from the outer vessel wall, typically affecting a single coronary vessel. In 20% of cases, the cause of spontaneous coronary artery dissection is unknown. The other cases often occur in pregnant or postpartum women or in individuals with conditions such as connective tissue disorders or vasculitis. CASE PRESENTATION: Here, we describe a case of a 69-year-old African female presenting with non-ST-segment elevation myocardial infarction. Coronary angiography revealed an unusual triple-vessel spontaneous coronary artery dissection affecting peripheral segments, with further investigations suggesting polyarteritis nodosa. CONCLUSION: While triple-vessel spontaneous coronary artery dissection and polyarteritis nodosa (PAN) are individually rare, their coexistence is exceptionally uncommon and presents diagnostic and therapeutic challenges. Clinicians should be alert to vasculitic causes in patients with spontaneous coronary artery dissection, especially with atypical clinical features.

Absence of Right Coronary Ostium with Single Coronary Artery: A Rare Anomaly.

Coronary arteries normally originate from two separate cusps from the aorta, and various anomalies can occur. One such anomaly is the single coronary artery (SCA), where the coronary arteries originate from a single ostium due to the absence of the contralateral ostia. In a rare case we encountered while evaluating a patient with atypical chest pain, computed tomography angiography revealed that the right ostia was absent, and the right coronary artery originated from the left circumflex artery. This subtype of SCA has been exceedingly rare, with only a few cases reported in the literature.

Pediatric coronary cameral fistula in a structurally normal heart: a case report and review of the literature.

INTRODUCTION: Coronary cameral fistulas (CCFs) are rare congenital anomalies characterized by abnormal connections between a coronary artery and one of the cardiac chambers. These abnormal connections can lead to significant clinical implications, including heart failure and myocardial ischemia, necessitating timely diagnosis and intervention. CASE PRESENTATION: A 5-year-old Iranian boy was brought to the emergency room at Heart Hospital Center complaining of chest pain and dyspnea on exertion. He had experienced similar episodes over the past 4 months, which had not been evaluated. Physical examination revealed stable vital signs and no remarkable findings. Transthoracic echocardiography demonstrated a dilated left coronary artery with a large aneurysm and a small orifice to the right ventricular body. The left ventricular ejection fraction was 55%. Cardiac computed tomography angiography confirmed the diagnosis. Cardiac angiography showed a dilated left coronary artery and a coronary cameral fistula to the right ventricular . The aneurysm was successfully occluded using two Amplatzer™ devices. CONCLUSION: This case underscores the critical role of multimodal imaging in diagnosing and managing coronary cameral fistulae. Early detection and appropriate intervention are paramount in preventing the progression of symptoms and potential complications such as heart failure and myocardial ischemia. The successful closure with Amplatzer™ devices highlights the efficacy of minimally invasive techniques in treating complex cardiovascular anomalies. Regular follow-up and careful monitoring are essential to ensure long-term success and to manage any potential recurrences. CLINICAL KEY MESSAGE: Timely identification and management of coronary cameral fistulae are crucial to prevent complications. Advances in imaging techniques and minimally invasive treatments, such as transcatheter closure, offer effective solutions. A multidisciplinary approach and regular follow-up are essential for comprehensive care and successful long-term management.

[Sudden cardiac arrest in children and adolescents: diagnosis, clinical presentation and peculiarities]. / L'arresto cardiaco in età pediatrica: diagnosi, presentazione clinica e peculiarità.

Sudden cardiac arrest/death in pediatric patients is a rare but potentially preventable event. Cardiomyopathies and channelopathies are the most common causes which are detectable with ECG and transthoracic echocardiography in asymptomatic subjects. Coronary artery anomalies are a rare cause of sudden cardiac arrest/death, but these events suggest that ECG and echocardiography, focused on the site of origin of the coronary arteries, should be both part of the screening tool of young athletes. Finally, the rare cardiac arrest events in young patients with ventricular preexcitation without prior symptoms or markers of high risk suggest that transcatheter ablation should be considered in all pediatric patients with ventricular preexcitation because it can eliminate the small long-term risk of sudden cardiac arrest/death, but a careful consideration of the most appropriate timing is mandatory.

Midterm outcome after surgical correction of an anomaly of the left coronary artery from the pulmonary artery.

OBJECTIVE: This study aims to present the midterm outcomes of surgical correction of the anomalous left coronary artery from the pulmonary artery (ALCAPA). METHODS: This is a retrospective study of patients undergoing anomalous origin of the LCA from the pulmonary artery repair between 2010 and 2019. RESULTS: Forty-nine patients (20 boys and 29 girls) underwent ALCAPA repair. Patients were divided into two groups based on their age at ALCAPA repair: infant (< 1 year of age: n = 24) and non-infant ( ≧ 1 year of age: n = 25). Median age at time of repair was 23 months(7-60months). LCA reimplantation was performed in 47 patients, and Takeuchi repair was performed in 2 patients. Hospital mortality in the infant group was 8.2% (4 of 49). Infant group had significantly lower LVEF in pre-operation (p < 0.05), but there was not significantly different between the two groups about LVEF at discharge. The median follow-up duration was 43(18-85)months. The freedom from reoperation was not significantly different between two groups (infants vs. non-infants: 68.8% vs. 87.5% at 10 years; p = 0.096). CONCLUSIONS: Surgical treatment of ALCAPA had an excellent early and midterm outcomes. Left ventricular dysfunction in pre-operation was the main risk of mortality in-hospital. The freedom from reoperation did not differ significantly between infant group and non-infant group.

A Case Report of Modified Cabrol Technique in a 60-Year-Old Male with Coronary Origin Anatomical Variant.

Introduction: Reconstruction surgery of the proximal aorta in most cases involves the use of an aortic conduit, followed by reimplantation of the coronary ostia. Although uncommon, the origin of the coronary arteries in certain anatomical variants poses additional difficulties when performing surgery on the aortic root and requires a different treatment rationale. Case report: We hereby present the case of a 60-year-old patient with multiple cardiovascular risk factors (smoking, arterial hypertension and dyslipidemia), suffering from severe degenerative stenosis of a bicuspid aortic valve, associated with ascending aorta aneurysm and a significant extrinsic stenosis of the left coronary artery caused by the aneurysm. The patient presented with severe degenerative bicuspid aortic valve stenosis associated with ascending aorta aneurysm and a significant extrinsic stenosis of the left coronary artery caused by the aneurysm. Following the preoperative assessment, it was decided that the best course of action was to perform surgery on the aortic valve and ascending aorta. During the surgery, the origin of the right and left coronary ostia were found at the level of the left coronary cusp, both forming a common coronary button. Due to this particular anatomical variant, it was decided to reimplant them as a common button onto the main conduit by means of an interposed No.10 PTFE (Polytetrafluoroethylene) vascular prosthesis. Conclusion: A rare case of aortic root surgery associated with coronary ostia origin variant "shotgun barrel", which required a different method of reimplantation: modified Cabrol technique.

Left anomalous coronary artery originating from the opposite sinus causes acute myocardial infarction with syncope in a young woman: A case report.

RATIONALE: The left anomalous coronary artery originating from the opposite sinus represents a distinct subtype of anomalous coronary arteries originating from the opposite sinus. A comprehensive overview encompassing clinical characteristics, diagnostic approaches, and treatment modalities for this condition is presented herein. PATIENT CONCERNS: The patient, a 17-year-old female, was admitted to the hospital due to chest pain and syncope following multiple exercises. DIAGNOSES: After conducting an electrocardiogram, myocardial injury markers, and echocardiography, she was diagnosed with acute myocardial infarction complicated by syncope. Further examinations including coronary angiography, coronary computed tomography angiography, and cardiac magnetic resonance imaging revealed an anomalous origin of the coronary artery with the left coronary artery (LCA) arising from the right sinus and exhibited intramural course. INTERVENTIONS: The coronary "unroofing" technique was admitted according to her characteristics. The patient achieved successful recovery after surgery with no recurrence of chest pain or syncope during 1 year of follow-up. OUTCOMES: Anomalous origin of the LCA is a rare congenital anatomical anomaly. Surgical intervention represents the primary approach for subsequent management of symptomatic anomalous origin of the coronary artery. Importantly, individuals with anomalous origin of the LCA from the right coronary sinus are at potential risk of sudden cardiac death. LESSONS: Therefore, enhancing diagnostic precision and actively pursuing surgical treatment in confirmed diagnoses can effectively mitigate myocardial ischemia and prevent instances of sudden cardiac death among adolescents and athletes.

Missed opportunity in acute coronary syndrome.

A man in late adolescence of Asian descent was admitted with cardiac-sounding chest pain and a history of flu-like symptoms a week prior to presentation with negative screening for the SARS-CoV-2 virus. His ECG showed lateral T-wave changes and pre-excitation pattern suggestive of an accessory pathway. High-sensitivity troponin T peak was significantly elevated to 2550 ng/L (normal reference range 0-11). He was initially treated for a suspected perimyocarditis. Transthoracic echocardiography revealed moderate left ventricular systolic dysfunction with regional wall motion abnormalities suggestive of coronary artery disease. Cardiac magnetic resonance imaging showed subendocardial delayed gadolinium enhancement with ischaemia and viability in the left circumflex (LCx) territory. He was then sent for a CT coronary angiogram for a suspected spontaneous coronary artery dissection, and subsequently, he discussed with our team and accepted for immediate transfer. He underwent coronary angiography and intravascular ultrasound-guided percutaneous coronary intervention to his LCx artery with a drug-coated balloon. Following that, and after a discussion with the electrophysiology team, he had an attempt at ablating his accessory pathway with partial success. He was discharged home in a stable condition.

[Spontaneous coronary artery dissection and physical activity - what we know and don't know]. / Råd om fysisk aktivitet efter spontan kranskärlsdissektion.

Patients suffering from a spontaneous coronary artery dissection (SCAD) are mostly younger to middle-aged women. There are very few data to guide physicians and physiotherapists on recommendations about physical activity for these patients. Based on the few studies that are available, aerobic activity at moderate levels and weightlifting with light weights appears safe. No studies are available on SCAD patients and aerobic activity, at more intensive levels. Follow-up studies after SCAD suggest that many patients receive advice with restrictions on physical activity resulting in a sedentary lifestyle.

The value of CCTA combined with machine learning for predicting angina pectoris in the anomalous origin of the right coronary artery.

BACKGROUND: Anomalous origin of coronary artery is a common coronary artery anatomy anomaly. The anomalous origin of the coronary artery may lead to problems such as narrowing of the coronary arteries at the beginning of the coronary arteries and abnormal alignment, which may lead to myocardial ischemia due to the compression of the coronary arteries. Clinical symptoms include chest tightness and dyspnea, with angina pectoris as a common symptom that can be life-threatening. Timely and accurate diagnosis of anomalous coronary artery origin is of great importance. Coronary computed tomography angiography (CCTA) can provide detailed information on the characteristics of coronary arteries. Therefore, we combined CCTA and artificial intelligence (AI) technology to analyze the CCTA image features and clinical features of patients with anomalous origin of the right coronary artery to predict angina pectoris and the relevance of different features to angina pectoris. METHODS: In this retrospective analysis, we compiled data on 15 characteristics from 126 patients diagnosed with anomalous right coronary artery origins. The dataset encompassed both CCTA imaging attributes, such as the positioning of the right coronary artery orifices and the alignment of coronary arteries, and clinical parameters including gender and age. To identify the most salient features, we employed the Chi-square feature selection method, which filters features based on their statistical significance. We then focused on features yielding a Chi-square score exceeding a threshold of 1, thereby narrowing down the selection to seven key variables, including cardiac function and gender. Subsequently, we evaluated seven classifiers known for their efficacy in classification tasks. Through rigorous training and testing, we conducted a comparative analysis to identify the top three classifiers with the highest accuracy rates. RESULTS: The top three classifiers in this study are Support Vector Machine (SVM), Ensemble Learning (EL), and Kernel Approximation Classifier. Among the SVM, EL and Kernel Approximation Classifier-based classifiers, the best performance is achieved for linear SVM, optimizable Ensembles Learning and SVM kernel, respectively. And the corresponding accuracy is 75.7%, 75.7%, and 73.0%, respectively. The AUC values are 0.77, 0.80, and 0.75, respectively. CONCLUSIONS: Machine learning (ML) models can predict angina pectoris caused by the origin anomalous of the right coronary artery, providing valuable auxiliary diagnostic information for clinicians and serving as a warning to clinicians. It is hoped that timely intervention and treatment can be realized to avoid serious consequences such as myocardial infarction.

Trans-pulmonary stent placement for pulmonary stenosis in a dog with a type R2A coronary artery anomaly.

A one-year-old male intact American bulldog was presented for evaluation of previously diagnosed pulmonary stenosis. Echocardiography identified ultra-severe stenosis with an instantaneous trans-pulmonary pressure gradient of 240 mmHg. Angiography confirmed the presence of an anomalous coronary artery with a prepulmonic course of the left coronary artery arising from a single right coronary ostium consistent with a type R2A coronary anomaly. A trans-pulmonary stent was successfully placed transvenously with diameter sizing based on coronary compression testing. No coronary compression was present on postimplantation angiography. A marked reduction in the pressure gradient was obtained on postoperative echocardiography (reduction to 68 mmHg), despite selecting a stent diameter less than the pulmonary annulus diameter. This is the first report of the use of coronary compression testing in transvenous trans-pulmonic stent implantation in a dog with a type R2A coronary artery anomaly. Selection of a stent diameter less than the pulmonary annulus diameter conveyed a clinically relevant reduction in the trans-pulmonic pressure gradient while avoiding coronary compression in this case.

Perceptions of exercise behavior and well-being in anomalous aortic origin of coronary arteries.

Anomalous aortic origin of a coronary artery (AAOCA) is associated with sudden death in the young. Risk stratification and management decision-making remain challenging. Data addressing post-diagnosis perceptions of exercise behavior and safety are lacking. We aimed to determine how AAOCA affects exercise behaviors, safety perceptions, and emotional well-being of patients/parents. Qualitative and quantitative analysis of AAOCA patient-/parent-specific survey was conducted to examine exercise frequency/restrictions, perceived safety of competitive/recreational exercise, and psychosocial well-being. Subgroups stratified by AAOCA subtype, surgical intervention, and physician-driven restrictions were compared using chi-squared and Fisher's exact tests. Cohen's kappa determined agreement in parent/child responses. AAOCA subtypes included 13 (24%) left AAOCA, 36 (67%) right AAOCA, and 5 (9%) other/unknown. Of 54 parents and 41 paired child responses, 22% of patients were physician-restricted from exercise. Parents imposed restrictions on competitive/recreational exercise 34%/26% of the time, respectively. Children without physician restrictions still self-restricted exercise 35% of the time. Parents reported feeling their child was unsafe exercising 61% competitively and 33% recreationally. Twenty-two percent of children reported feeling unsafe exercising, with good agreement to parental perceptions of competitive exercise safety (kappa = 0.779, p < 0.001). One-third of parents and children reported feeling sad, angry, or lonely, and about half reported feeling different. Importantly, 47% of children desired to exercise more. No difference was seen across restriction status, AAOCA subtype, or surgical management strategy. CONCLUSION: There are different perceptions of exercise behavior and safety following AAOCA evaluation, regardless of risk category or management strategy, impacting their well-being. These unmet needs should be at the forefront of care. WHAT IS KNOWN: • AAOCA is one of the leading causes of sudden cardiac death in the young. • Exercise restriction varies according to AAOCA subtype and its perceived risk of inducing myocardial ischemia. WHAT IS NEW: • There are different perceptions of exercise behavior and safety in patients and parents following a diagnosis of AAOCA, impacting their well-being. • Risk category or management strategy has no effect in patients' and parents' perception of exercise safety. • These unmet needs in this population should be at the forefront of care.

Anomalous coronary artery masquerading as a root abscess: a case report.

Congenital coronary artery anomalies are rare and most often clinically benign. We present a case of a 67-year-old male with osteomyelitis and persistent bacteremia with an anomalous left coronary artery mimicking an aortic root abscess. A transesophageal echocardiogram revealed a hypoechoic potential space around the aortic root, highly suspicious for a root abscess. Urgent cardiac surgery was performed, revealing no infection but an anomalous coronary artery arising from the right coronary sinus. This case highlights the importance of considering atypical anatomy in the diagnosis of infectious cardiac processes. While this resemblance should not delay intervention for suspected abscesses, it emphasizes the need to be aware of congenital differences in imaging for patients with known anomalies or asymptomatic patients with unknown anatomy.

Abnormal coronary arteries are rare and are usually not dangerous. We present a case of a 67-year-old male with an infection in the bone and persistent findings of bacteria in the blood who had an abnormal coronary artery that mimicked an infected space. Ultrasound of the heart found thickening and a space around the aortic root, highly suspicious for an infection in the setting of bacteria in the blood. Urgent surgery was performed, revealing no signs of infection but abnormal coronary artery anatomy. This case highlights the importance of considering atypical anatomy in the diagnosis of infection around the heart. While this should not delay intervention, it emphasizes the need to be aware of differences in anatomy.

Sudden infantile death due to left ventricular myocardial ischemia associated with undiagnosed single coronary artery of Lipton's type LII-B.

Single coronary artery (SCA) is a rare malformation, particularly in isolation without other congenital heart defects. Here, we describe a case of sudden infantile death due to myocardial ischemia associated with undiagnosed SCA. A 1-year-and-7-month-old female infant died suddenly after vomiting at home. A medicolegal autopsy revealed that the orifice of the right coronary artery (RCA) was absent. As expected, the left coronary artery was detached from the left coronary sinus; however, the ostium was covered with a flap-like fibrous ridge. The thin RCA originated from the left main trunk (LMT) and passed between the aorta and pulmonary artery trunk. The left circumflex artery branched from the LMT at a right angle. Judging from the origin and course of the anomalous RCA, the deceased was diagnosed with SCA of Lipton's type LII-B. Microscopic examination revealed ischemic changes around the endocardium of the lateral wall of the left ventricle (LV) rather than on the side of the abnormal RCA. This evoked attention, as there appeared to be some discrepancy. To the best of our knowledge, this is the first case report describing sudden infantile death related to LV myocardial ischemia associated with undiagnosed SCA of Lipton's type LⅡ-B.

Spontaneous coronary artery dissection: a case series illustrating current challenges in diagnosis and treatment.

Spontaneous coronary artery dissection (SCAD) has been increasingly recognized in recent years as an important cause of acute coronary syndrome, myocardial infarction, and sudden death, especially among young women. However, due to the lack of clinical trials on SCAD, evidence-based guidance on management is currently lacking. Presented are four case studies that illustrate the recent insights and challenges in SCAD diagnosis and treatment.

Spontaneous coronary artery dissection (SCAD) is a condition where the layers of a coronary artery tear without any apparent cause. In recent years, it has become more recognized as an important cause of chest pain, heart attacks, and sudden death, especially in younger women. However, because of the lack of clinical trials focused on SCAD, there is insufficient evidence-based guidance on managing the condition. This article shares four cases to show the current knowledge and challenges in diagnosing and treating SCAD.