16,641 results match your criteria Acute Myocardial Infarct Imaging

Side Branch Late Thrombosis After Left Main Coronary Artery Crossover Stenting.

Cardiol Ther 2022 Jun 30. Epub 2022 Jun 30.

Heart Center, Segeberger Kliniken GmbH, Academic Teaching Hospital of the Universities of Kiel, Lübeck, Hamburg, Am Kurpak 1, 23795, Bad Segeberg, Germany.

Background: With the established use of crossover stenting technique in bifurcation coronary artery lesions, added clinical benefit of final kissing of the side branch remains debatable. We report a case of a stenosis and thrombus formation of an ostial side branch after crossover stenting. A 38-year-old man was admitted with acute coronary syndrome complicated by acute pulmonary oedema. Read More

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Neuropeptide-Y Levels in ST-Segment-Elevation Myocardial Infarction: Relationship With Coronary Microvascular Function, Heart Failure, and Mortality.

J Am Heart Assoc 2022 Jun 29:e024850. Epub 2022 Jun 29.

Department of Physiology, Anatomy and Genetics, Burdon Sanderson Cardiac Science Centre University of Oxford United Kingdom.

Background The sympathetic cotransmitter, neuropeptide Y (NPY), is released into the coronary sinus during ST-segment-elevation myocardial infarction and can constrict the coronary microvasculature. We sought to establish whether peripheral venous (PV) NPY levels, which are easy to obtain and measure, are associated with microvascular obstruction, myocardial recovery, and prognosis. Methods and Results NPY levels were measured immediately after primary percutaneous coronary intervention and compared with angiographic and cardiovascular magnetic resonance indexes of microvascular function. Read More

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Thromboembolic complications of recreational nitrous oxide (ab)use: a systematic review.

J Thromb Thrombolysis 2022 Jun 27. Epub 2022 Jun 27.

Department of Radiology, Radiologist, Thoracic Imaging, Jessa Hospital, Hasselt, Belgium.

The recreatinal use of nitrous oxide has become more common in recent years, especially in adolescents and young adults. It has been mainly associated with medical conditions like megaloblastic anemia and (myelo)neuropathy. We report on the thromboembolic complications, a less known side effect, associated with recreational inhalation of nitrous oxide. Read More

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Predicting Patients With Troponin Positive Chest Pain and Unobstructed Coronary Arteries With Electrocardiogram, Troponin Kinetics and GRACE Score.

Heart Lung Circ 2022 Jun 23. Epub 2022 Jun 23.

Department of Cardiology, Westmead Hospital, Sydney, NSW, Australia; University of Sydney, Sydney, NSW, Australia; Department of Cardiology, Blacktown Hospital, Sydney, NSW, Australia. Electronic address:

Background: Troponin positive chest-pain with unobstructed coronary arteries (TPCP-UCA), occurs in 6% of cases of patients presenting with acute coronary syndrome (ACS). Whilst TPCP-UCA patients are known to be younger with less cardiovascular risk factors when compared to obstructive coronary disease (MICAD), no validated methods exist to reliably delineate these two conditions prior to coronary angiography.

Methods: We analysed 142 patients with MICAD and 127 patients with TPCP-UCA from 2015 to 2019. Read More

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Aortic valve calcification predicts poor outcomes after primary percutaneous coronary intervention.

Eur J Clin Invest 2022 Jun 24:e13828. Epub 2022 Jun 24.

Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, China.

Background: Aortic valve calcification (AVC) is associated with increased cardiovascular risk in the general population. We sought to investigate whether AVC identified by transthoracic echocardiography could be a predictor of long-term adverse events after primary percutaneous coronary intervention (PCI) in patients with acute myocardial infarction.

Methods: Patients undergoing primary PCI were consecutively enrolled in this cohort study between January 1, 2009 and December 31, 2018. Read More

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Enhanced Thrombin Generation Is Associated with Worse Left Ventricular Scarring after ST-Segment Elevation Myocardial Infarction: A Cohort Study.

Pharmaceuticals (Basel) 2022 Jun 6;15(6). Epub 2022 Jun 6.

Department of Cardiology, National University Heart Centre Singapore, 1E Kent Ridge Road, NUHS Tower Block Level 9, Singapore 119228, Singapore.

Acute myocardial infarction (AMI) is associated with heightened thrombin generation. There are limited data relating to thrombin generation and left ventricular (LV) scarring and LV dilatation in post-MI LV remodeling. We studied 113 patients with ST-segment elevation myocardial infarction (STEMI) who had undergone primary percutaneous coronary intervention (PPCI) ( = 76) or pharmaco-invasive management (thrombolysis followed by early PCI, = 37). Read More

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Laboratory Predictors of Prognosis in Cardiogenic Shock Complicating Acute Myocardial Infarction.

Biomedicines 2022 Jun 5;10(6). Epub 2022 Jun 5.

Cardiocenter, Third Faculty of Medicine Charles University and University Hospital Kralovske Vinohrady, 10034 Prague, Czech Republic.

Cardiogenic shock is a state of reduced cardiac output leading to hypotension, pulmonary congestion, and hypoperfusion of tissues and vital organs. Despite the advances in intensive care over the last years, the morbidity and mortality of patients remain high. The available studies of patients with cardiogenic shock suggest a connection between clinical variables, the level of biomarkers, the results of imaging investigations, strategies of management and the outcome of this group of patients. Read More

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[Takotsubo syndrome associated with an earthquake. report of two cases].

Rev Med Chil 2021 Dec;149(12):1801-1805

Clínica Bupa Reñaca, Viña del Mar, Chile.

Takotsubo syndrome is an acute heart disease usually triggered by significant emotional or physical stress, very occasionally described in association with natural disasters such as earthquakes. Clinically, it simulates an acute myocardial infarction with similar symptoms, laboratory tests, and electrocardiographic changes. Coronary angiography shows the absence of significant coronary disease. Read More

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December 2021

Spontaneous Coronary Artery Dissection: An Elusive Disease of the Coronaries.

Methodist Debakey Cardiovasc J 2022 3;18(3):89-93. Epub 2022 Jun 3.

Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas, US.

The articles in our Points to Remember column highlight important "need to know" facts about conditions that cardiovascular healthcare professionals may encounter. These may come from any medical specialty, such as nephrology or neurology. The article in this issue is provided by Swaminathan Perinkulam Sathyanarayanan, MD, Department of Internal Medicine, University of South Dakota, and Smitha Narayana Gowda, MD, and Alpesh Shah, MD, Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist. Read More

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Progression of aortic stenosis after an acute myocardial infarction.

Open Heart 2022 Jun;9(1)

Québec Heart and Lung Institute, Laval University, Québec City, Québec, Canada

Background: Myocardial infarction (MI) has been shown to induce fibrotic remodelling of the mitral and tricuspid valves. It is unknown whether MI also induces pathological remodelling of the aortic valve and alters aortic stenosis (AS) progression. We thus compared AS progression after an acute MI and in patients with/without history of MI, and assessed post-MI pathobiological changes within the aortic valve leaflets in a sheep model. Read More

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Plaque progression at coronary CT angiography links non-alcoholic fatty liver disease and cardiovascular events: a prospective single-center study.

Eur Radiol 2022 Jun 21. Epub 2022 Jun 21.

Department of Radiology, Zhongshan Hospital, Fudan University; Shanghai Institute of Medical Imaging, No. 180 Fenglin Road, Xuhui District, Shanghai, 200032, China.

Objectives: The presence of non-alcoholic fatty liver disease (NAFLD) has been associated with major adverse cardiovascular events (MACEs); however, the mechanisms that initiate the risk for MACEs in patients with NAFLD remain unknown. We sought to investigate whether plaque progression (PP), determined by coronary CT angiography (CCTA), moderate the relationship between NAFLD and MACEs.

Methods: A total of 1683 asymptomatic participants (mean age, 63. Read More

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Morphological and Physiological Characteristics of Ruptured Plaques in Native Arteries and Neoatherosclerotic Segments: An OCT-Based and Computational Fluid Dynamics Study.

Front Cardiovasc Med 2022 26;9:890799. Epub 2022 May 26.

Department of Cardiology, Barts Heart Centre, Barts Health NHS Trust, London, United Kingdom.

Background: Intravascular imaging has been used to assess the morphology of lesions causing an acute coronary syndrome (ACS) in native vessels (NV) and identify differences between plaques that ruptured (PR) and caused an event and those that ruptured without clinical manifestations. However, there is no data about the morphological and physiological characteristics of neoatherosclerotic plaques that ruptured (PR-NA) which constitute a common cause of stent failure.

Methods: We retrospectively analyzed data from patients admitted with an acute myocardial infarction that had optical coherence tomography (OCT) imaging of the culprit vessel before balloon pre-dilation. Read More

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Low-Dose Oral Contraceptives and Spontaneous Coronary Artery Dissection With Heavy Clot Burden in a Nonpregnant Woman.

J Investig Med High Impact Case Rep 2022 Jan-Dec;10:23247096221104466

Division of Cardiology, Department of Internal Medicine, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.

Spontaneous coronary artery dissection (SCAD) is an infrequent cause of acute coronary syndrome (ACS) caused by a nontraumatic tear in the coronary artery wall. The true incidence is thought to be underestimated owing to its diagnostic difficulty as coronary angiography is insensitive in assessing the arterial wall structure, thereby warranting additional diagnostic modalities such as intravascular ultrasound. We report a case of a young woman who had been taking oral contraceptives, and presented with acute non-ST segment elevation myocardial infarction due to SCAD with superimposed thrombosis. Read More

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Effect of Early Psychological Counseling for the Prevention of Posttraumatic Stress Induced by Acute Coronary Syndrome at Long-Term Follow-Up.

Front Psychiatry 2022 30;13:846397. Epub 2022 May 30.

Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland.

Objective: Psychological consequences of myocardial infarction (MI) are substantial, as 4% of all MI patients develop posttraumatic stress disorder (PTSD) and 12% clinically relevant posttraumatic stress symptoms (PTSS). The study investigated the course and development within 12 months of MI-induced PTSS to gain novel insights in potentially delayed response to early trauma-focused counseling aimed at preventing the incidence of MI-induced PTSS.

Methods: In the MI-SPRINT two-group randomized controlled trial, 190 MI-patients were randomly allocated to receive a single-session intervention of either trauma-focused counseling or an active control intervention targeting the general role of stress in patients with heart disease. Read More

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Causes, Angiographic Characteristics, and Management of Premature Myocardial Infarction: JACC State-of-the-Art Review.

J Am Coll Cardiol 2022 Jun;79(24):2431-2449

Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.

Among patients presenting with acute myocardial infarction (AMI), the proportion of young individuals has increased in recent years. Although coronary atherosclerosis is less extensive in young patients with AMI, with higher prevalence of single-vessel disease and rare left main involvement, the long-term prognosis is not benign. Young patients with AMI with obstructive coronary artery disease have similar risk factors as older patients except for higher prevalence of smoking, lipid disorders, and family history of premature coronary artery disease, and lower prevalence of diabetes mellitus and hypertension. Read More

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ST-Segment Elevation Myocardial Infarction Due to an Ectatic Infarct-Related Coronary Artery: Case Series and Review of the Literature.

S D Med 2022 Mar;75(3):102-108

Sanford Cardiovascular Institute, Sanford Heart Hospital, Sioux Falls, South Dakota.

Coronary artery ectasia is an infrequent finding seen in a localized or diffuse fashion in patients undergoing coronary angiogram. This angiographic entity is attributed to coronary artery atherosclerosis. The ectatic coronary artery segment may be a culprit and perpetuate the thrombus formation in patients with acute myocardial infarction due to the altered normal laminar flow and deranged platelet and endothelial activation. Read More

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Panhypopituitarism Mimicking Acute Coronary Syndrome.

Intern Med 2022 Jun 14. Epub 2022 Jun 14.

Division of General Internal Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Japan.

A 59-year-old man suspected of having myocardial infarction with sinus bradycardia, a decreased blood pressure, and ST-change on an electrocardiogram was referred to our hospital's emergency department. Emergent coronary angiography revealed no significant findings. However, the patient experienced shock and required intensive care. Read More

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Association of Race and Ethnicity on the Management of Acute Non-ST-Segment Elevation Myocardial Infarction.

J Am Heart Assoc 2022 Jun 14;11(12):e025758. Epub 2022 Jun 14.

Department of Medicine University of Pittsburgh Medical Center Pittsburgh Pennsylvania.

Background Prior studies have reported disparities by race in the management of acute myocardial infarction (MI), with many studies having limited covariates or now dated. We examined racial and ethnic differences in the management of MI, specifically non-ST-segment-elevation MI (NSTEMI), in a large, socially diverse cohort of insured patients. We hypothesized that the racial and ethnic disparities in the receipt of coronary angiography or percutaneous coronary intervention would persist in contemporary data. Read More

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Levine's Sign Points to Spontaneous Coronary Artery Dissection in a Healthy Young Male.

Cureus 2022 May 10;14(5):e24893. Epub 2022 May 10.

Internal Medicine, Rutgers-New Jersey Medical School/ Trinitas Regional Medical Center, Elizabeth, USA.

Levine's sign is a universal sign of ischemic chest pain, defined as an individual holding a clenched fist over the chest that has a low sensitivity but is relatively specific for ischemia. Spontaneous coronary artery dissection (SCAD) is a nonatherosclerotic and a very unusual cause of acute myocardial infarction.In literature,it has been more common in young women, postpartum, or with fibromuscular dysplasia. Read More

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A Rare Case of Primary Cardiac Lymphoma Presenting with Acute Myocardial Infarction: to Be Happy or to Be Sorry?

Turk Kardiyol Dern Ars 2022 06;50(4):300-303

Department of Cardiovascular Surgery, Bakırköy Dr. Sadi Konuk Training and Research Hospital, İstanbul, Turkey.

Among primary malignant tumors of the heart, primary cardiac lymphomas are extremely rare. Early diagnosis is crucial in primary cardiac lymphoma cases as its non-specific symp- toms often lead to delayed diagnosis and poor prognosis. In this case report, we presented a challenging case of primary cardiac lymphoma that was noticed during echocardiography of a patient admitted with acute myocardial infarction. Read More

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Correlation of left ventricular ejection fraction drop and fragmented QRS with ST-segment elevation myocardial infarction.

ARYA Atheroscler 2021 Sep;17(5):1-8

Student Research Committee, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.

Background: Fragmented QRS (fQRS) is an electrocardiographic parameter, which could be assessed easily and non-invasively using surface electrocardiogram (ECG) and may have significant prognostic value. The present study aimed to evaluate the correlation between left ventricular ejection fraction (LVEF) and fQRS in surface ECG.

Methods: This study was conducted on 186 patients with acute ST-elevation myocardial infarction (STEMI). Read More

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September 2021

A case of cardiac calcified amorphous tumor complicated with acute myocardial infarction.

J Cardiol Cases 2022 Jun 31;25(6):396-399. Epub 2022 Jan 31.

Division of Cardiology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan.

An 80-year-old woman with a history of eosinophilic granulomatosis with polyangiitis, cardiac hypertrophy, and diabetes called for an ambulance after developing chest pain. She was diagnosed with acute myocardial infarction (AMI), and coronary angiography revealed occlusion of the right coronary artery. Coronary aspiration was performed, and coronary aspirate was white with calcified factor. Read More

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Multi-Modality Imaging for Prevention of Coronary Artery Disease and Myocardial Infarction in the General Population: Ready for Prime Time?

J Clin Med 2022 May 24;11(11). Epub 2022 May 24.

University Medical Center Groningen, Thorax Centre, Faculty of Medicine, University of Groningen, 9713 GZ Groningen, The Netherlands.

Cardiovascular disease (CVD) remains a leading cause of death and disability worldwide. Acute myocardial infarction (AMI) causes irreversible myocardial damage, heart failure, life-threatening arrythmias and sudden cardiac death (SCD), and is a main driver of CVD mortality and morbidity. To control the forecasted increase in CVD burden for both the individual and society, improved strategies for the prevention of AMI and SCD are required. Read More

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Theranostic Contribution of Extracellular Matrix Metalloprotease Inducer-Paramagnetic Nanoparticles Against Acute Myocardial Infarction in a Pig Model of Coronary Ischemia-Reperfusion.

Circ Cardiovasc Imaging 2022 Jun 9;15(6):e013379. Epub 2022 Jun 9.

Unidad Mixta de Investigación Cardiovascular, Departamento de Cardiología, Universidad Francisco de Vitoria, Hospital Ramón y Cajal (IRYCIS), Madrid, Spain (R.R.-C., I.H., L.T., J.D.-M., L.B., C.Z.).

Background: Rapid screening and accurate diagnosis of acute myocardial infarction are critical to reduce the progression of myocardial necrosis, in which proteolytic degradation of myocardial extracellular matrix plays a major role. In previous studies, we found that targeting the extracellular matrix metalloprotease inducer (EMMPRIN) by injecting nanoparticles conjugated with the specific EMMPRIN-binding peptide AP9 significantly improved cardiac function in mice subjected to ischemia/reperfusion.

Methods: In a porcine model of coronary ischemia/reperfusion, we tested the theragnostic effects of administering 0. Read More

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Anatomic and Hemodynamic Plaque Characteristics for Subsequent Coronary Events.

Front Cardiovasc Med 2022 23;9:871450. Epub 2022 May 23.

Division of Cardiology, Department of Internal Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea.

Objectives: While coronary computed tomography angiography (CCTA) enables the evaluation of anatomic and hemodynamic plaque characteristics of coronary artery disease (CAD), the clinical roles of these characteristics are not clear. We sought to evaluate the prognostic implications of CCTA-derived anatomic and hemodynamic plaque characteristics in the prediction of subsequent coronary events.

Methods: The study cohort consisted of 158 patients who underwent CCTA with suspected CAD within 6-36 months before percutaneous coronary intervention (PCI) for acute myocardial infarction (MI) or unstable angina and age-/sex-matched 62 patients without PCI as the control group. Read More

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Percutaneous Left Atrial Appendage Closure Using an Occluder Device: A Single Center Experience.

Acta Cardiol Sin 2022 May;38(3):352-361

Heart Rhythm Center and Division of Cardiology, Taipei Veterans General Hospital, Taipei, Taiwan.

Background: Left atrial appendage (LAA) is the main source of thrombus formation, and occlusion of this structure decreases the risk of stroke in patients with atrial fibrillation.

Objectives: We aimed to describe the feasibility, safety and outcomes of percutaneous LAA closure using an occluder device, and to evaluate residual LAA contrast leak detected on computed tomography (CT) imaging in patients who underwent implantation in our institution.

Methods: Consecutive patients of Taipei Veterans General Hospital who underwent percutaneous implantation of an LAA occluder (LAAO) were retrospectively collected and analyzed. Read More

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Transient J wave-like ST-segment elevation in intracerebral hemorrhage: a case report.

BMC Cardiovasc Disord 2022 Jun 7;22(1):255. Epub 2022 Jun 7.

Department of Electrophysiology, Yijishan Hospital of Wannan Medical College, 2 Zheshan Road, Wuhu, China.

Background: Certain cerebrovascular events can induce electrocardiography (ECG) abnormalities and cardiac dysfunction. The most frequent patterns reported are nonspecific ST-T change, inverted or broad T wave, prolongation of QT interval as well as ST-segment depression or elevation. Here we present a case of intracerebral hemorrhage (ICH) with transient J wave-like ST-segment elevation accompanied by myocardial lesion. Read More

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Three-Dimensional Echocardiography and Coagulation Function Detection in the Prognosis Evaluation of Patients with Acute Myocardial Infarction.

Comput Math Methods Med 2022 28;2022:5197871. Epub 2022 May 28.

Department of Pharmacy, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Key Laboratory of Assessment of Clinical Drugs Risk and Individual Application (Beijing Hospital), Beijing 100730, China.

This research was aimed at discussing the application value of coagulation function detection and three-dimensional echocardiography in the prognosis evaluation of acute myocardial infarction (AMI) patients. 72 patients with AMI were divided into the recovered group (good recovery) and unrecovered group (poor recovery) according to the results of postoperative ultrasonography. The left ventricular parameters of the patients were detected by three-dimensional ultrasound, and the coagulation function was also detected. Read More

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Curr Probl Cardiol 2022 Jun 2:101277. Epub 2022 Jun 2.

Centro Cardiovascular da Universidade de Lisboa - CCUL, CAML, Faculdade de Medicina, Universidade de Lisboa, Portugal; Serviço de Cardiologia, Hospital Universitário de Santa Maria, CHULN, Portugal.

The right and left ventricle of heart are intimately connected by anatomical and functional links. Hence, acute changes in cardiac geometry and function can modify the performance and physiology of both sides of the heart, influencing each other. After a brief overview of the anatomy and related imaging techniques for the study of right ventricular function, we report a review on the interesting correlation of acute anterior myocardial infarction and right ventricular function, very often underestimated. Read More

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