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Results 401 - 450 of 1658
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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 ...
Satoda Masahiko - - 2007
BACKGROUND: A 34-year-old postpartum woman presented at hospital with chest pain. She had experienced an uneventful delivery of a healthy infant and had no known coronary risk factors. Electrocardiography demonstrated an acute myocardial infarction, which resolved on intravenous glyceryl trinitrate infusion. Coronary angiography revealed diffuse narrowing of the left anterior ...
Mehta P K - - 2008
Patients with systemic lupus erythematosus (SLE) may present with acute coronary syndrome (ACS) due to coronary vasculitis or premature atherosclerosis. There is a paucity of data on invasive management strategies for young adults who present with an ACS secondary to active vasculitis. This article describes the case of a teenager ...
Kaichi S - - 2008
We wanted to clarify the relationships between the degree of acute coronary artery dilation caused by Kawasaki disease and subsequent late calcification. Electron beam computed tomography (EBCT) was used to study 79 patients who had previously undergone selective coronary angiograms less than 100 days after the onset of Kawasaki disease. ...
Ozdemir V - - 2008
A total of 10 adult, healthy, male chinchillas (Chinchilla lanigera) were used to investigate the origin, course, and termination of the coronary arteries. Coloured latex was injected into the carotid arteries following conventional anatomical applications. In all the chinchillas examined, the left coronary artery was the single coronary artery. The ...
Apostolakis Efstratios - - 2007
We describe a safe, easy, and fast technique of exposing the left anterior descending artery (LAD), when this is embedded under the myocardium or excessive epicardial fat tissue, during coronary artery bypass grafting (CABG) or off-pump coronary artery bypass (OPCAB). The vessel is opened as distal as possible, then a ...
Paul Louis C - - 2007
Slow flow of the contrast in normal coronary arteries is a relatively common finding in patients undergoing routine coronary angiography. The severest form of this phenomenon is known as no flow or TIMI and is uncommon, with life-threatening consequences. We describe a case of slow flow in the left anterior ...
Jacobs Stephan - - 2007
PURPOSE: Construction of an endoscopic catheter-guided, bonded anastomosis to facilitate total endoscopic coronary artery bypass. DESCRIPTION: Total endoscopic coronary artery bypass of the left internal thoracic artery to the left anterior descending coronary artery was performed on the beating heart in six pigs using a telemanipulation system. An angioplasty catheter ...
Nagamine Hiroshi - - 2007
OBJECTIVE: The ventricular myocardium is thought to exist as a single continuous muscle band that extends from the pulmonary artery to the aorta, wrapped into a double helical coil Torrent-Guasp's theory of the ventricular myocardial band (VMB). The purpose of this study was to examine the coronary blood supply to ...
Nezić Dusko G - - 2007
Cardiac surgeons are treating an increasing number of patients with diffuse coronary artery disease that requires the use of alternative surgical techniques. We present a patient who had a technically unsatisfactory endarterectomy of the left anterior descending coronary artery. We were left with only 3 segments of properly endarterectomized coronary ...
Sadamatsu Kenji - - 2007
We report a case of a patient with exertional angina whose coronary angiography showed a severe stenosis at the ostium of the left coronary anterior descending artery. However, intravascular ultrasound imaging demonstrated only mild plaque burden and negative remodeling, with a 0.66 ratio of external elastic membrane area of the ...
Lee Sak - - 2007
This report describes the case of a 45-year-old Korean female who had suffered from Behçet's syndrome for two years with a huge, unruptured aneurysm originating from the left coronary sinus. The aneurysm had caused myocardial and aortic insufficiency by compressing the proximal left anterior descending coronary artery. The orifice of ...
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