Search Results
Results 251 - 300 of 1519
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Kelly Robert V - - 2008
The effect of the contrast agent iohexol on reference vessel size in patients with proximal left anterior descending disease is unknown. Quantitative coronary angiography and intravascular ultrasound were performed in 15 patients with atherosclerotic disease of the proximal left anterior descending. Mean proximal reference vessel diameter was 2.95 +/- 0.59 ...
Lilli Alessio - - 2009
Coronary artery vasospasm rarely appears as a diffuse phenomenon that involves all the coronary tree. We present a clinical case of acute myocardial infarction complicated by ventricular fibrillation and cardiogenic shock. Urgent coronary angiography showed occlusion of proximal Circumflex coronary artery and a TIMI I flow in the left anterior ...
Hernandez Juan L - - 2008
A 6-month-old German shepherd dog was referred for evaluation of a cardiac murmur. Upon physical examination, the auscultated heart rate was 120 beats/min, and a grade IV/VI systolic heart murmur with a point of maximal intensity over the left heart base radiating up the neck was heard. The standard echocardiographic ...
Boshchenko Alla A - - 2009
AIMS: The aim of our study was to detect chronic total occlusion of the left anterior descending coronary artery (LAD), circumflex coronary artery (Cx), and right coronary artery (RCA) using transthoracic echocardiography (TTE) in 110 consecutive patients who underwent coronary angiography for investigation of angina. METHODS AND RESULTS: Coronary blood ...
Poh Angeline C - - 2008
OBJECTIVE: To describe and characterize morphological characteristics of endocardial irregularities in the roof of the left atrium as seen on coronary CT angiography. METHODS: We retrospectively evaluated the left atrium in 50 consecutive coronary CT patients with multiplanar reformatting, volume rendering, and virtual endoscopy. RESULTS: Twenty-one of the 50 patients ...
Ortiz-Pérez José T - - 2008
OBJECTIVES: The purpose of this study was to investigate the correspondence between the coronary arterial anatomy and supplied myocardium based on the proposed American Heart Association 17-segment model. BACKGROUND: Standardized assignment of coronary arteries to specific myocardial segments is currently based on empirical assumptions. METHODS: A cardiac magnetic resonance study ...
Ballesteros L E - - 2008
The left coronary artery presents wide variability in its morphological expression. The purpose of this work was to determine the variations in the left coronary artery and those of its branches in heart samples taken from a group of 154 Colombian mixed-race people. Cadaveric coronary arteries were injected with synthetic ...
Wild Philipp S - - 2008
AIMS: Ultrasound differs procedurally from the established methods for non-invasive coronary visualization and is therefore an interesting alternative for non-invasive diagnostics. In this study, fragment reconstruction of coronary arteries by transesophageal echocardiography (FRC-TEE) was investigated for the first time in a patient population being evaluated for coronary angiography. METHODS AND ...
de Visser Randall N - - 2008
BACKGROUND: A 75-year-old male with a history of myocardial infarction and recent transient ischemic attack was referred to a cardiology clinic for preoperative evaluation before a cystectomy. Transthoracic and transesophageal echocardiography revealed a mobile mass on the right coronary cusp of the aortic valve. Multislice CT demonstrated a significant narrowing ...
Saroli Tania - - 2008
There has traditionally been less concern regarding coronary anomalies with left-sided congenital heart lesions such as hypoplastic left heart syndrome (HLHS)or Shone complex than with other lesions. However, coronary anomalies in this setting can profoundly affect surgical intervention, particularly when surgical repair involves the ascending aorta. We describe four patients ...
Just Pierre-Alexandre - - 2009
BACKGROUND: A 59-year-old male had a latent epicardial mass discovered at cardiovascular imaging during the assessment of an aortic murmur. RESULTS: The resected mass surrounded the left anterior descending coronary artery. It was a well-limited pericoronary cellular lesion. It was made of a mixture of polytypic plasma cells, lymphocytes with ...
Darabian Sirous - - 2009
In 258 patients with left main tract disease, the atherosclerotic risk factors were compared between patients with ostial and nonostial lesions of the left main coronary artery. Also, it was done for patients with ostial right coronary artery. Women were more likely to have ostial left main coronary artery and/or ...
Dounis George B - - 2009
The authors present the case of a healthy 40-year-old man who developed a myocardial infarction because of traumatic dissection of the left circumflex coronary artery following a fall from height. To our knowledge, this is the first time that a traumatic lesion of the left circumflex artery is being reported ...
Koster Nancy K - - 2009
In this report, the case of a 40-year-old patient with chronic total occlusion of the left main coronary artery is discussed. Total occlusion of the left main coronary artery is a rare finding at coronary angiography. When present, patients most often have extensive collateral circulation from the right coronary artery. ...
Chammas Elie - - 2008
In this article, myocardial perfusion in patients with a totally occluded left anterior descending artery reinjected by a normal right coronary artery is assessed using stress single photon emission computed tomography (SPECT). In all, 20 patients, with a totally occluded left anterior descending artery reinjected by normal right coronary artery, ...
Ozer Necla - - 2008
Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital anomaly that is often referred to as Bland-White-Garland syndrome. Isolated anomalous origin of the left anterior descending (LAD) or circumflex arteries is even rarer. A 38-year-old woman presented with typical angina of about two-year ...
Aghasadeghi Kamran - - 2008
Differentiating coronary artery disease with left ventricular dysfunction from dilated cardiomyopathy is important prognostically and therapeutically. To provide a diagnostic algorithm to distinguish these conditions using a standard 12-lead electrocardiogram, all 105 patients with left ventricular ejection fraction < 50% who underwent angiography between January 2004 and December 2006 were ...
Caciolli Sabina - - 2008
A 55-year-old man experienced chest pain on the seventh day after valve surgery. Coronary angiography showed embolic occlusion of the left anterior descending coronary artery. The lesion was treated successfully with thrombectomy using the angiojet rheolytic thrombectomy system, resulting in rapid mechanical thrombolysis and removal via the effluent lumen of ...
Tigen Kursat - - 2008
Interventionalists have many tools at their disposal for percutaneous revascularization and they all use every modality to restore flow. Sometimes they face challenging situations in the setting of acute coronary syndromes in which more than one strategy has to be used urgently. We are presenting a young male patient with ...
Lilli A - - 2008
We present a case report of a man with atherosclerotic involvement of a left main trifurcation treated by the Venture wire control catheter. The patient was submitted to primary percutaneous transluminal coronary angioplasty (PTCA) in a primary center for acute occlusion of the left anterior descending artery, then he was ...
Toker Alper - - 2008
We describe a 37-year-old female patient who had a major vehicle accident 17 years ago. A chest tube had been inserted through the left side of the chest to treat pneumothorax. She was readmitted to the hospital with dyspnea 17 years later. Her examinations, including fiberoptic bronchoscopy, revealed total atelectasis ...
Hajek Petr - - 2009
A left main coronary artery thrombosis is a life-threatening condition demanding immediate therapeutic management. Traditional treatment options include thrombolysis, percutaneous coronary intervention (PCI) with stenting or cardiac bypass surgery. The number of reported cases in which aspiration thrombectomy has been used is limited. Indications for this therapeutic approach are determined ...
Anjaneyulu Anne - - 2008
OBJECTIVE: We sought to demonstrate left main coronary artery (LM) stenosis by transthoracic echocardiography. BACKGROUND: Evaluation of LM stenosis was done mostly by transesophageal echocardiography in patients with coronary artery disease. METHODS: A total of 1456 patients with coronary artery disease were studied, of which 801 patients (55%) had adequate ...
Li Jian-jun - - 2008
BACKGROUND: Muscle fibers overlying the intramyocardial segment of an epicardial coronary artery are termed myocardial bridging (MB). Variable prevalence of MB has been described at autopsy and angiographic series with small and large sample size studies. In addition, no similar study was reported in Chinese population. The aim of this ...
Kappert Utz - - 2008
OBJECTIVE: Robotic totally endoscopic coronary artery bypass of the left anterior descending artery has been introduced in the clinical setting using a wrist-enhanced computer-assisted device to provide a minimally invasive therapeutic approach. Early clinical results were focused on the initial hospital course of patients. This report describes the first 5-year ...
Vieira T H M - - 2008
The interest in experimental use of coronary arteries of swine as a stage towards their application in human hearts justifies the need for obtaining a detailed anatomical understanding of those arteries, particularly to evaluate similarities and differences. However, we did not find any citations about anatomical indicators of coronary dominance ...
Penugonda Neelima - - 2008
Coronary artery anomalies occur in approximately 0.2-12.2% of the adult population. Origin of left anterior descending artery and left circumflex artery from the right coronary cusp is relatively rare. The case we present is unique in that all 4 vessels (right coronary, left anterior descending, left circumflex and atrioventricular nodal ...
Costantini Marcello - - 2008
A 66-year-old patient with a recent history of chest pain was submitted to exercise test. The rest electrocardiogram was normal, but during effort, a striking U-wave inversion in the chest leads occurred, not associated with any ST-segment change. Coronary angiogram demonstrated a severe proximal narrowing of the left anterior descending ...
Suzer Kaya - - 2008
Inadvertent opening of the right ventricle may occur during dissection of an intracavitary artery. Two patients with stenotic intracavitary left anterior descending arteries were operated on. A right ventriculotomy was performed in the operation. The anastomosis was performed to this intracavitary segment of the artery. The ventriculotomy was closed with ...
Sillano D - - 2008
The management of severe coronary artery disease in the very elderly is challenging and the most appropriate revascularization strategy highly debated. To date, coronary artery bypass surgery has been the treatment of choice for significant stenosis of unprotected left main (ULM) coronary. Whether this holds true also in very old ...
Kirtane A J - - 2008
The percutaneous revascularization of left main coronary artery stenosis has until recently been reserved for patients at prohibitive surgical risk or for selected emergent cases. This adopted practice of coronary artery bypass grafting, as the standard of care for left main coronary artery stenosis, has largely occurred secondary to disappointing ...
Camuglia Anthony - - 2009
Fibromuscular dysplasia (FMD) of the epicardial coronary arteries is an uncommon entity. We describe the first published case of this condition presenting as a transient ischaemic attack due to thromboembolism from intracardiac thrombus secondary to silent myocardial infarction. We also present the first published case of epicardial coronary FMD with ...
Kostandonis Dimitrios - - 2008
BACKGROUND: White-coat hypertension (WCH) has been evaluated as a risk factor for cardiovascular disease. In this study, the role of WCH is evaluated in a cohort of patients with suspected coronary artery disease with both coronary angiography and non-invasive techniques. METHODS: One hundred patients with suspected coronary artery disease underwent ...
Wang Ming-hui - - 2008
BACKGROUND: Invasive intravascular ultrasound (IVUS) is current diagnostic standard for myocardial bridging (MB). Non-invasive multislice computerized tomography coronary angiography (MSCT) technique has provided a good anatomical view of the tunnel artery now. METHODS: A total of 51 consecutive patients with atypical or typical angina scheduled for IVUS were enrolled in ...
Roberson David A - - 2008
We demonstrate the echocardiographic features of a rare case of very extensive left ventricular to coronary arterial connections (VCC) to both the right and left coronary arteries in a fetus and subsequent neonate with hypoplastic left heart syndrome (HLH). The right coronary artery, after receiving multiple VCC supplied the only ...
Shojaie Mohammad - - 2008
A 40-years-old female presented with intermittent chest pain and dyspnea on exertion. Electrocardiography showed sinus rhythm with ST-depression in inferior and lateral leads. Subsequent exercise treadmill testing revealed significant ST-depression in V4-V5 and V6 leads. Coronary angiography later showed a single left coronary artery with right coronary artery arising from ...
Lindsey Jason B - - 2008
A patient with severe pulmonary (arterial) hypertension (PH) presented with a non-ST segment elevation myocardial infarction and recurrent angina at rest. Coronary angiography showed severe ostial left main coronary artery (LMCA) stenosis; coronary arteries were otherwise normal. Intravascular ultrasonography (IVUS) showed deformation of the LMCA due to extrinsic compression from ...
Shinkura Nobuhiko - - 2008
A 61-year-old man was found to have anemia 3 years after an aortic valve replacement (AVR) and coronary artery bypass grafting (CABG) of the left intrathoracic artery to the left anterior descending artery and the right gastroepiploic artery (RGEA) to the right coronary artery (RCA) for aortic insufficiency and angina ...
Christiansen S - - 2008
Left main stem aneurysms are rarely described and the optimal treatment is controversially discussed. A majority of these patients undergo medical treatment with antiplatelet or anticoagulation drugs. Surgery is just recommended in symptomatic patients or when there is the risk of thromboembolic events or rupture. We report on a 51-year-old ...
Moro Cassiano - - 2008
A 67-year-old lady presented with shortness of breath, and was found to have severe triple vessel disease by coronary angiography. Transthoracic echocardiography (TTE) was reported as normal. However a large cystic mass was unexpectedly found in the right atrium by intra-operative transesophageal echocardiography (TOE). This mass was attached to the ...
Kervan Umit - - 2008
Total chronic occlusion of the left main coronary artery is a rare angiographic finding in a catheterization laboratory and its treatment rarely is reported. We describe a patient with angiographic findings of chronic total occlusion of the left main coronary artery with left coronary circulation collateralized from the right coronary ...
Taghipour Hamid R - - 2008
Coronary artery anomalies are rare, with the reported prevalence of 0.2% to 1% in routine angiographic studies. Among them, presence of a single coronary artery is one of the rarest anomalies, comprising less than 3% of all coronary anomalies. In this article we report a case of single coronary artery ...
Ashraf Tariq - - 2008
Catheter induced left main coronary artery dissection is a rare but well recognized life threatening complication of coronary angiography and angioplasty. We present a case of left main coronary artery dissection induced with a guide catheter while dealing with chronic total occlusion (CTO) and bailout stenting of left main and ...
Nowak Dariusz - - 2008
The heart receives blood from 2 vessels: the right and the left coronary arteries. Depending on the relationship between these 2 vessels, types with the right, the left or with neither coronary artery predominating can be distinguished. The incidence of particular types varies according to different reports. All available data ...
Riera Andres Ricardo Perez - - 2008
There are several papers in literature that prove in a conclusive and incontestable way, that the left branch of the His bundle, in most instances (85% of the cases) splits into three fascicles of variable morphological pattern, and not into two: left anterior fascicle (LAF), left posterior fascicle (LPF), and ...
Pirelli Luigi - - 2008
Congenital atresia of the left main coronary artery, a condition in which the left main trunk is developed but has been occluded since birth, is a rare coronary anomaly. Herein, we describe this anomaly's association with a subannular location of an obliterated left main ostium in a patient with a ...
Sawaya Fadi J - - 2008
We report here, for perhaps the 1st time in the English-language literature, the extent of the territory fed by the anterior bifurcation of the (anomalous) split right coronary artery (RCA). A 64-year-old man presented with an occlusion of the anterior bifurcation of a split RCA--which resulted in an infarct that ...
Arora Harvinder - - 2008
Because angiography provides only a 2-dimensional image, it is an imperfect tool for accurately evaluating left main coronary artery stenosis. Additional methods, such as fractional flow reserve evaluation and intravascular ultrasonography, are more frequently being used to gauge the physiologic significance of angiographically ambiguous left main coronary artery stenosis. Previous ...
Emery Michael - - 2008
A 23-year-old male referred for evaluation of a "choking" sensation with exertion and a murmur. A transthoracic echocardiogram demonstrated right atrial and ventricular dilatation, right ventricular volume overload, and a large secundum atrial septal defect (ASD) with left to right shunt and a calculated pulmonary-to-systemic blood flow ratio (Qp/Qs) estimated ...
Everett Jeffrey E - - 2008
Aneurysms of the left main coronary artery are rare with an incidence of 0.1% in large angiographic series. The majority are atherosclerotic in origin. Other causes include connective tissue disorders, trauma, vasculitis, congenital, mycotic and idiopathic. The primary complication is myocardial ischemia or infarction, with rupture being rare. Treatment options ...
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