Search Results
Results 201 - 250 of 858
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Shimony Avi - - 2006
A 48-year-old woman presented with acute coronary syndrome and underwent coronary angiography which revealed myocardial bridging at the distal end of the left anterior descending artery with otherwise normal coronary arteries. The patient used to take ergotamine for her chronic migraine. Possible association with myocardial bridging which was found in ...
Patel Tejas M - - 2006
Coronary dissection is one of the most frequently occurring complications during coronary interventional procedures. However, extensive coronary dissection retrograde to the coronary sinus of Valsalva and to the arch of aorta is very rarely observed. The authors report a case of retrograde coronary dissection extending into the arch of aorta. ...
Witters Peter Gerard Julia - - 2006
OBJECTIVES: In acute myocardial infarction, it is of great value to identify the infarct-related artery and the site of occlusion in a coronary artery (proximal versus distal). This study assessed the diagnostic value of two previously published electrocardiographic algorithms to identify the infarct-related artery and the site of occlusion in ...
Celik Turgay - - 2006
Although myocardial bridges are mostly confined to the left anterior descending coronary artery, several cases of right coronary artery myocardial bridging have been reported in the literature. In the current case report, we present a 65-year-old female with a well-functioning mechanical mitral valve prosthesis, severe pulmonary hypertension and right ventricle ...
Thomson Vivien - - 2007
We present a case of symptomatic primary hypertrophic cardiomyopathy (HCM) associated with myocardial bridging of the left anterior descending (LAD) artery and suspected ischemia that could be related either to LAD artery compression or to microvascular perfusion abnormalities. MRI demonstrated the morphological appearance of myocardial hypertrophy, and coronary MR angiography ...
Hung Ming-Jui - - 2007
BACKGROUND: Coronary vasospasm-induced electrical and mechanical complications in patients with acute coronary syndrome and no hemodynamically significant coronary artery disease are rarely reported. METHODS: A total of 733 consecutive patients with acute coronary syndrome admitted to our hospital who subsequently underwent coronary angiography at our institution were enrolled. Patients who ...
Dursun Ihsan - - 2006
Myocardial bridging is one of the nonatherosclerotic causes of coronary artery disease and is characterized by muscles overlying the intramyocardial course of a major epicardial coronary artery segment, leading to systolic compression. Myocardial bridging is considered a benign condition in most cases, but has been associated with serious cardiac events ...
Tutuian Radu - - 2006
The group of hypercontractile esophageal motility disorders includes distal esophageal spasm (DES), nutcracker esophagus (NE), and hypertensive lower esophageal sphincter (LES). The clinical relevance of these abnormalities identified during esophageal manometry is debated, and their management can be challenging. Hypercontractile esophageal motility abnormalities are defined through specific manometric criteria. Current ...
Saha Sandeep A - - 2006
Sildenafil is widely used as a primary pharmacological treatment of erectile dysfunction in men with and without underlying cardiovascular disease. Although initial reports of adverse cardiac events were reported soon after Food and Drug Administration approval of this agent, a large body of data suggests that sildenafil does not significantly ...
Brunetti Natale Daniele - - 2007
Spontaneous coronary artery dissection (SCAD) causing acute myocardial infarction is a rare event. It occurs mostly in young women without traditional risk factors for coronary artery disease, particularly during the peripartum period. We describe two occurrences of SCAD in young women in whom coronary atherosclerosis was also present. In both ...
Tsibiribi P - - 2006
Cardiotoxicity is a rare, but well-recognized complication of treatments with the anti-cancer drug 5-fluorouracil (5FU). The underlying mechanism, however, is not fully elucidated. A spasm of the coronary arteries is often considered to be the leading cause of myocardial ischemia and decreased contractility associated with 5FU. As spasm cannot account ...
Kantarci Mecit - - 2006
OBJECTIVE: The aim of this study was to evaluate the incidence of myocardial bridging in 626 patients examined with MDCT angiography of the coronary arteries. MATERIALS AND METHODS: Six hundred twenty-six patients who were referred to Florence Nightingale and Atatürk University Hospitals were involved in this study. These patients had ...
Tschöpe Carsten - - 2006
We present the case of a patient with severe dyspnea and Raynaud's phenomenon. We could clarify, using invasive techniques including left ventricular conductance catheterization and coronary ergonovine provocation, that isolated diastolic dysfunction induced by coronary vasospasm were responsible for the symptoms. Systolic function was not affected. Short-term infusions with the ...
Phillips Lawrence M - - 2006
Spontaneous coronary artery dissection is a rare etiology of myocardial infarction with a higher noted incidence in pregnancy. The recognition and proper treatment of this condition affects patient outcomes. We report the case of a coronary artery dissection during a twin pregnancy involving the left anterior descending artery. Successful treatment ...
Nakayama Masafumi - - 2006
We identified a -786T>C polymorphism in the eNOS gene, and this polymorphism was strongly associated with coronary spasm. The present study aimed to elucidate whether the -786T>C polymorphism or acetylcholine (ACh)-induced coronary spasm affects serum nitrite/nitrate (NOx) levels. The study population comprised three groups: (i) 26 patients without coronary spasm ...
Rychter Kelly - - 2006
Myocardial bridging is a congenital condition in which a segment of a major epicardial coronary artery has an intramyocardial course. Myocardial bridging is usually confined to a single vessel (typically the mid segment of the left anterior descending artery) and is usually asymptomatic, however, bridging may be associated with chest ...
Arat Nurcan - - 2007
Myocardial bridging is a common congenital coronary abnormality recognized primarily with systolic narrowing or 'milking effect' shown by coronary angiography. We report the case of a 58-year-old man with signs and symptoms of myocardial ischemia who underwent transthoracic echocardiography and coronary angiography. The present case suggests the clinical role of ...
Kaneda Hideaki - - 2006
BACKGROUND: Coronary artery spasm plays an important role in the pathogenesis of vasospastic angina, and contributes to the development of several acute coronary syndromes. Endothelial nitric oxide synthase (ecNOS) catalyzes the synthesis of nitric oxide, which regulates vascular tone, and may be related to coronary vasospasm. The present study investigated ...
Cay Serkan - - 2006
OBJECTIVE: Muscle fibers overlying the intramyocardial segment of an epicardial coronary artery are termed myocardial bridging. Variable prevalence has been described at autopsy and angiographic series with small and large sample sizes. The aim of the study was to investigate the angiographic prevalence of myocardial bridging in 25982 patients from ...
Coma-Canella Isabel - - 2006
BACKGROUND: Patients with angina and normal coronary arteries are often misdiagnosed with having non-cardiac pain. Although vasospasm is a well-known entity, spasm provocation is not routinely done in the majority of hospitals at present. MATERIALS AND METHODS: One hundred and sixty two consecutive patients with thoracic pain and normal coronary ...
Cay Serkan - - 2006
Myocardial bridging is systolic compression of an epicardial coronary arterial segment by overlying myocardium. It is a rare coronary anomaly, which is generally considered to be benign. It has been suggested that myocardial ischaemia may be seen. In this article, a case of myocardial infarction caused by myocardial bridging is ...
Ueda Yuko - - 2006
We report a case of spontaneous coronary artery dissection (SCAD) causing acute myocardial infarction, which was complicated by vasospastic angina (VA). The patient received intravenous administration of t-PA. Emergency coronary angiography demonstrated narrowing of the left anterior descending artery (LAD) due to SCAD. During hospitalization, the patient suffered chest pain, ...
Alter P - - 2006
Cardiac side effects of the cytostatic agent 5-fluorouracil (5-FU) have an incidence of 1.2-7.6%. Potentially, arrhythmias, myocardial infarction and sudden cardiac death could occur. Life-threatening cardiotoxicity is rarely observed with a frequency <1%. Cardiotoxicity of 5-FU seems to differ from well known effects of other cytostatics, e.g., anthracyclines. Myocardial ischemia ...
Balamuthusamy Saravanan - - 2006
Myocardial bridging is a clinically uncommon congenital anomaly characterized by tunneling of the coronary artery within the myocardial tissue, usually seen in the left anterior descending artery. Myocardial bridging is associated with altered intracoronary hemodynamics during systole and diastole, determined by the severity and the location of the bridging within ...
Leon Fernando - - 2006
We report the case of a 59-year-old trained runner, who sustained an acute myocardial infarction, with residual effort angina, following extreme exertion while experiencing severe anxiety. Coronary angiography revealed that this patient had a myocardial bridge at the mid-left anterior descending artery, and an occlusive clot had developed at the ...
Tani Shigemasa - - 2006
The case of a 30-year-old man with myocardial infarction localized in the interventricular septum is described. Coronary angiography performed on day 28 after the onset of symptoms revealed ectasia in the right and left coronary arteries, but no overt stenotic or occlusive lesions were present. Spasm was induced in the ...
Butterfield Joseph H - - 2006
Uncontrolled hypereosinophilic syndrome is frequently associated with cardiovascular consequences that cause significant morbidity and mortality. The present article reports on a patient with hypereosinophilic syndrome in whom recurrent, recalcitrant coronary artery spasm and associated cardiac arrest were the predominant cardiac manifestations. No valvular abnormalities, evidence of mural thrombi or other ...
Letsas Konstantinos P - - 2006
We describe the case of a 31-year-old man who experienced an acute myocardial infarction 16 years after undergoing radiation and vinca alkaloid therapy for Hodgkin's disease. Even though coronary artery disease is a well-established complication after mediastinal radiation therapy, this adult patient had normal coronary angiographic results, with no traditional ...
Manfrini Olivia - - 2006
Mechanisms underlying coronary spasm are still poorly understood. The aim of the study was to assess the hypothesis that fluctuations in the development of coronary spasm might reflect inputs from the adjacent esophageal system. We enrolled patients admitted to the coronary care unit for episodes of nocturnal angina. Seven patients ...
Schifferdecker Branislav - - 2005
A 56-year old male presented with acute ST-elevation myocardial infarction induced by myocardial bridging. The patient underwent primary angioplasty with stent placement. Subsequent restenosis was successfully treated with the Cutting Balloon and brachytherapy. Also included in this report is a review of the epidemiology, pathophysiology, diagnosis and therapy for symptomatic ...
Hurst R Todd - - 2005
While not uncommon, a myocardial bridge may result in significant alterations in coronary flow hemodynamics to the point of being either clinically evident based on symptoms, or visually apparent on noninvasive imaging modalities. We report a case of a myocardial bridge of the mid-left anterior descending artery associated with anterior ...
Gur Mustafa - - 2006
Catheter-induced coronary artery dissection and occlusion is a rare but serious complication of diagnostic cardiac angiography. A 50 year-old man presented with unstable angina. ECG, exceptional of bradycardia, was normal (57 beat/min). Selective coronary angiography demonstrated 98% narrowing in the mid-portion of the left anterior descending coronary artery (LAD). During ...
Sun Hongtao - - 2005
We have previously reported that angina pectoris persists in patients with coronary microvascular spasm (MVS) even on calcium channel blockers. Because measurement of myocardial lactate production in the coronary sinus is necessary to diagnose MVS, a more feasible diagnostic method needs to be developed. In this study, we examined the ...
Malafronte Cristina - - 2005
The tako-tsubo syndrome, or transient left ventricular apical ballooning, has been widely described in Japan as a cardiomyopathy which resembles acute myocardial infarction on presentation, but characterized by a normal coronary tree and a favorable outcome. Conversely few series have been described in Europe and etiology and mechanism are still ...
Singh Harminder - - 2005
We report a case of myocardial bridge in left anterior descending coronary artery associated with acute anterior wall myocardial infarction. The patient had many unusual features like coronary ectasia and atherosclerosis within the myocardial bridge segment. The patient was treated with drug-eluting stent under intravascular ultrasound guidance with good result ...
Chen Chih-Wei - - 2006
Radial artery spasm occurs frequently during the transradial approach for coronary catheterization. Premedications with nitroglycerin and verapamil have been documented to be effective in preventing radial spasms. Verapamil is relatively contraindicated for some patients with left ventricular dysfunction, hypotension and bradycardia. We would like to know whether nitroglycerin alone is ...
Evangelou Dimitrios - - 2006
Spontaneous coronary artery dissection (SCAD) represents a rare cause of acute coronary syndromes with complex pathohysiology. We briefly describe a 50-year-old woman, without traditional cardiovascular risk factors, hospitalized for an acute ST-elevation myocardial infarction and treated with thrombolytic therapy. Notably, the patient was on oral contraceptives for the past 10 ...
Iida Ryoji - - 2005
We report a case of recurrent ST-segment elevations totaling 7 times over 3 hours during subtotal gastrectomy and the early postoperative period in a patient with no history of coronary artery disease. Possible contributing factors include cold stimulus, epidural anesthesia, and inadequate depth of anesthesia. The first episode almost resulted ...
Terrovitis John V - - 2005
Spontaneous coronary dissection is an infrequent cause of acute myocardial infarction, and several cases have been presented during the peripartum period. We present a case of acute myocardial infarction resulting from spontaneous coronary artery dissection, in a 37-year-old woman during the postpartum period. Thrombolytic treatment was administered in the emergency ...
Soufras George D - - 2005
Two cases of allergic angina and allergic myocardial infarction (Kounis syndrome) following penicillin administration are described. The patients suffered from lung and mandible neoplasms and had previously received several courses of antineoplastic therapy without any sequelae. One patient had normal coronary arteries (type I variant of the syndrome) and the ...
Takama Noriaki - - 2005
This report describes a 77-year-old woman with a single coronary artery who suffered an acute anterior wall myocardial infarction. The single coronary artery arose from the right coronary artery through the transverse trunk, and there were no other cardiovascular anomalies. Coronary angiography did not reveal significant coronary artery stenosis in ...
Maeder Micha - - 2005
BACKGROUND: Less is known about characteristics, treatment and follow-up of patients with spontaneous coronary artery dissection (SCAD) without associated pregnancy or underlying atherosclerosis. METHODS: We reviewed 5054 consecutive coronary angiographies for SCAD in patients without atherosclerosis or associated pregnancy and performed follow-up angiography in eligible patients. RESULTS: SCAD were assessed ...
El-Menyar Ayman A - - 2005
The most common cause of death among volatile substance abusers is sudden cardiac death. To the best of our knowledge, butane-induced myocardial infarction is a rare presentation among teenagers. We report on a 14-year-old male student who sustained cardiopulmonary arrest after sniffing seven canisters of butane. He was found to ...
Tsuchida Keiichi - - 2005
BACKGROUND: Elevated lipoprotein(a) (Lp(a)) concentrations are reported to impair endothelium-dependent vasodilatation of the epicardial coronary artery. However, the effects on vasomotor abnormalities in coronary spastic angina (CSA) have not been thoroughly investigated. METHODS AND RESULTS: In the present study 80 sites of spasm (spastic sites) without significant organic stenosis (% ...
Choi Yoon-Ho - - 2005
BACKGROUND: Coronary artery spasm is not infrequently seen in Korea. Most of the patients with coronary spasm show a focal spasm in coronary angiography. However, the cause of the disease is not well known. There have been a few anecdotal case reports of coronary artery spasm associated with hyperthyroidism, but ...
Nitenberg Alain - - 2005
Diabetes and arterial hypertension are major cardiovascular risk factors. Coronary endothelial dysfunction is frequently observed in diabetic and hypertensive patients. This study was designed to compare cardiovascular outcome of hypertensive (HT) and type 2 diabetic patients (D2) with angiographically normal coronary arteries on the basis of their epicardial coronary endothelial ...
Cacici Giuseppe - - 2005
Coronary artery anomalies continue to constitute a confusing subject in modern cardiology. While most anomalies are considered to have a benign prognosis, the literature and cardiologic culture frequently imply an intrinsic, systematic association of coronary anomalies with severe clinical presentations. We present a case of unusual single coronary artery, in ...
Milazzo Diego - - 2005
Coronary artery ectasia is defined as a > 1.5-fold dilation of the coronary artery compared to the diameter of adjacent normal segments. It must be distinguished from discrete aneurysms that appear in areas adjacent to coronary artery stenosis. It is usually considered a variant of coronary atherosclerosis. Dilated segments are ...
Kosar Feridun - - 2005
Behcet's disease (BD) is an inflammatory disorder of unknown origin, which usually presents with mucocutaneous, ocular, articular, vascular, gastrointestinal and central nervous system manifestations. Although cardiac involvement is not infrequent as a manifestation of Behcet's disease, coronary arteritis is very rarely reported. We suggest that the diagnosis of coronary arteritis ...
Alegria Jorge R - - 2005
Myocardial bridging, a congenital coronary anomaly, is a clinical condition with several possible manifestations, and its clinical relevance is debated. This article reviews current knowledge about the anatomy, pathophysiology, clinical relevance, and treatment of myocardial bridging. Myocardial bridging is present when a segment of a major epicardial coronary artery, the ...
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