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Wakabayashi Kohei - - 2011
Coronary spasm is a risk factor for acute myocardial infarction and sudden cardiac death. This is a case of a young female patient with cardiopulmonary arrest induced by coronary spasm on arrival at our hospital. There has been no case that prolonged spontaneous attack was confirmed in multi-vessels. This case ...
Kim Pyung Jin - - 2009
BACKGROUND: The objective of the present study was to describe the relative frequency of myocardial bridging and dynamic compression of the coronary arteries as assessed by CT angiography and conventional angiography. METHODS AND RESULTS: A total of 311 patients (208 men, 103 women; mean age 63 years) who received both ...
Park Sang-Ho - - 2009
A 63-year-old woman was diagnosed with ovarian cancer and peritoneal carcinomatosis. The day after paclitaxel was administered, an acute myocardial infarction occurred. Emergency coronary angiography revealed a filling defect in the left main coronary artery and total occlusion in the distal left anterior descending coronary artery, with no luminal irregularity ...
Srettabunjong Supawon - - 2009
This is a histological report of a myocardial lesion of a 44-year-old white man who was found dead in a hotel with circumstances strongly suggestive of heroin intoxication. Based on. autopsy findings and toxicologic analysis, the present case was an instance of straight forward heroin overdose in snorter. The most ...
Oteh M - - 2009
Congenital coronary artery anomalies are rare, with an incidence of about 0.06-1.3 percent of all patients undergoing cardiac catheterisation. They are commonly asymptomatic, but potentially serious lesions may lead to myocardial ischaemia, infarction and/or sudden cardiac death. The occurrence of a concomitant stenotic lesion is exceedingly rare. We report an ...
Mookadam F - - 2009
BACKGROUND: Myocardial bridging refers to intramyocardial systolic compression of a segment of an epicardial coronary artery. We aimed to identify the clinical significance of myocardial bridging by assessing the clinical presentation in non-obstructive coronary artery disease among a cohort of consecutive patients presenting for coronary angiography. MATERIALS AND METHODS: A ...
Acikel Mahmut - - 2010
The left main coronary artery (LMC) is generally considered to be between 5 and 15 mm long. We report a case with the longest angiographically documented LMC (41 mm) in a patient with acute inferior myocardial infarction.
Singh Amarpal - - 2009
A 42-year-old male presented to the emergency department with acute chest pain. The electrocardiogram revealed inferior wall myocardial infarction. Emergency coronary angiography revealed total occlusion of the distal right coronary artery with thrombus. Patient was taken up for primary percutaneous coronary angioplasty with stenting of distal right coronary artery. Six ...
Williams David S - - 2009
Myocardial bridging is a congenital anomaly of the left anterior descending coronary artery resulting in systolic compression by overlying myocardial tissue.
Karadag Bilgehan - - 2009
Myocardial infarction complicates approximately 1 in 10,000 pregnancies. Although coronary artery dissection is the leading cause of pregnancy-related myocardial infarction during the postpartum period, the pathogenesis of coronary dissection during this period remains uncertain.Herein, we report the case of a 52-year-old black postmenopausal woman with no apparent cardiovascular risk factors ...
Kounis Geoge-N - - 2008
5-aminosalicylic acid (mesalamine) rarely induces hypersensitivity reactions. If chest pain associated with atypical electrocardiographic changes are seen during its administration, one should always bear in mind type I variant of Kounis syndrome. This variant includes patients, of any age, with normal coronary arteries, without predisposing factors for coronary artery disease, ...
Sloan Kirk - - 2008
A 50-year-old man without previous coronary disease presented with an inferior myocardial infarction following exercise. He was initially treated with thrombolytic therapy and nitroglycerin. Subsequent coronary angio-graphy and cardiac computed tomography demonstrated an anomalous right coronary artery originating from the left coronary sinus and passing between the aorta and main ...
Zurick Andrew O AO - - 2008
Myocardial bridging is a congenital abnormality characterized by an intramyocardial course of a major epicardial coronary artery segment. Generally considered a benign condition, myocardial bridging has been associated with angina, acute myocardial infarction, and sudden death. Herein, we report a patient with an intramyocardial segment in the mid portion of ...
Buhaescu Irina - - 2009
Churg-Strauss syndrome (CSS) is a rare illness with clinical findings characterized by asthma, eosinophilia, and vasculitis affecting medium and small-sized arteries and veins in a variety of organs. Involvement of the temporal arteries by non-giant cell eosinophilic vasculitis in CSS is quite rare and has only been published as isolated ...
Jodocy Daniel - - 2010
OBJECTIVE: To assess the relationship between left anterior descending (LAD) coronary artery myocardial bridging detected by 64-slice computed tomography (CT) and clinical findings. METHODS: 221 consecutive patients were examined with coronary 64-slice CT angiography. 21 patients with coronary stenosis >50% were excluded. The length, depth, and luminal narrowing of LAD ...
Shirotani Manabu - - 2010
BACKGROUND: Japanese patients with acute myocardial infarction (MI) have a greater incidence of coronary artery spasm than Caucasians. Some beta-blockers have been reported to aggravate coronary spasm. This study sought to assess the effects of beta-adrenoceptor blockade on coronary vasospasm in Japanese patients with acute MI who had been treated ...
Hendriks Matthijs L - - 2008
Coronary artery spasm has been known to induce ischaemia and ventricular arrhythmias. We present a case of recurrent ventricular fibrillation caused by spasm-associated transmural myocardial ischaemia. During an intra-coronary acetylcholine provocation test, severe coronary spasm could be induced. The patient was treated with a hybrid approach of medication and an ...
Aggarwala Guarav - - 2008
We discuss the case of a 71-year-old female patient who presented with findings suggestive of an acute myocardial infarction. Subsequent evaluation revealed an extrinsic cardiac mass encasing the left circumflex and right coronary arteries (RCA) which caused compression and spasticity of the RCA. Biopsy findings were consistent with a hematologic ...
Kamran Mazullah - - 2008
Spontaneous coronary artery dissection (SCAD) is a rare but important cause of acute coronary syndromes. SCAD can cause unstable angina, acute myocardial infarction, and sudden death. Predisposing factors include atherosclerosis, the peripartum period, and structural and inflammatory conditions affecting the arterial wall. The diagnosis of coronary dissection is usually made ...
De Rosa R - - 2008
BACKGROUND: Intramyocardial course, an inborn coronary anomaly, is defined as a segment of a major epicardial coronary artery that runs intramurally through the myocardium; in particular, we distinguish myocardial bridging, in which the vessel returns to an epicardial position after the muscle bridge, and intramyocardial course, which is described as ...
Scott P A - - 2008
Capecitabine is a chemotherapeutic prodrug that is metabolised to 5-fluorouracil. Supported by the National Institute for Health and Clinical Excellence guidance it is now first-line adjuvant treatment for metastatic colorectal cancer in the UK. Although cardiac chest pain and myocardial ischaemia are well recognised side effects of 5-fluorouracil, their association ...
Ghosh Nina - - 2008
Spontaneous coronary artery dissection is an unusual cause of acute myocardial ischemia. The natural history of spontaneous coronary artery dissection that persists on angiography after the acute event has not been well characterized. A case of a 36-year-old man who presented with monomorphic ventricular tachycardia 12 years following a myocardial ...
Guo Linrui Ray - - 2008
Myocardial infarction that is attributed to native coronary artery spasm in the early postoperative phase has rarely been documented. We report three cases of postoperative myocardial infarction secondary to angiographically demonstrated coronary spasm. Native coronary artery spasm is a rare, but important cause of postoperative ischemia and infarction. Suspicious electrocardiographic ...
Barcin Cem - - 2010
Myocardial bridges may cause angina pectoris, myocardial infarction, life threatening arrhythmias and even sudden cardiac death but most of them are harmless. Although the exact management is not well known, beta blockers seem to be the first choice. Stenting is controversial and one must think "twice" before stenting the bridged ...
de Gregorio Cesare - - 2009
In this report the authors deal with the combined approach of last generation computed tomography and color Doppler echocardiography to make a diagnosis of myocardial coronary bridging in a young patient with left ventricular hypertrophy. Double-source tomographic scan precisely identified the tunnelled segment of the left descending coronary artery (the ...
Wong Chi Wing - - 2008
OBJECTIVE: To describe the clinical features, natural history and response to treatment of coronary vasospasm associated with eosinophilia. METHODS: Two patients with eosinophilia who had recurrent acute coronary events due to multi-vessel coronary artery spasm are described. The clinical presentation and outcomes of these 2 patients and 17 additional cases ...
Lee Sang Rok - - 2008
A 58-year-old woman with a known congenitally corrected L-transposition of great arteries (TGA) presented with non-ST segment elevation myocardial infarction. Dual-source computed tomography showed characteristic features of congenitally corrected L-TGA and myocardial bridge at the proximal segment of the left anterior descending coronary artery. This case showed how multidetector computed ...
Ong Peter - - 2008
OBJECTIVES: This study was conducted to clarify the incidence of coronary spasm in emergency patients with suspected acute coronary syndrome (ACS) and acute chest pain at rest. BACKGROUND: Chest pain at rest is a frequent symptom in the emergency room. Acute coronary syndrome is suspected in patients with elevation of ...
Wakabayashi Kohei - - 2008
OBJECTIVES: This study was conducted to examine the relationship between provoked coronary spasm and clinical course in patients with acute myocardial infarction (AMI). BACKGROUND: Coronary spasm has a pathogenetic role in the occurrence of AMI and progressive atherosclerosis. There is no report that focused on the prognostic significance of provoked ...
Gold Daniel R DR Department of Internal Medicine, Division of Cardiology, North Shore University Hospital, Manhasset, NY, USA. - - 2008
Myocardial bridging is not uncommon. However, hemodynamic instability in the setting of myocardial bridging is rare. We describe an unusual case of a 47-year-old woman whose increased use of inhaled albuterol led to a non-ST-segment elevation myocardial infarction and unmasking of hemodynamically significant myocardial bridging. We detail its diagnosis through ...
Crespo Alejandro - - 2008
We report the results of surgery and midterm outcome in two patients with symptomatic myocardial bridging who underwent off-pump supra-arterial myotomy. Both patients were operated upon through a median sternotomy. The anterior wall of the heart was exposed in the same manner as in off-pump CABG. The left anterior descending ...
Fujibayashi Daisuke - - 2008
A 68-year-old Japanese man with acute inferior myocardial infarction underwent emergent coronary angiography which showed a myocardial bridge, but no coronary stenosis, at the infarctrelated artery. A spasm provocation test using intracoronary acetylcholine revealed a total occlusion due to severe spasm at the site of the myocardial bridge. Thus, the ...
Matsushita Shonosuke - - 2008
BACKGROUND: Coronary vasospasm is defined as a temporary, intense narrowing of the coronary conduit artery. It brings about ischemic chest pain and becomes one of the causes of myocardial infarction. Coronary spasms are divided into two categories. One is the coronary spasm of the conduit artery and the other is ...
Patan? Salvatore - - 2009
Subclinical hyperthyroidism is an increasingly recognized entity that is defined as a normal serum free thyroxine and free triiodothyronine levels with a thyroid-stimulating hormone level suppressed below the normal range and usually undetectable. It has been reported that subclinical hyperthyroidism is not associated with CHD or mortality from cardiovascular causes ...
Glossop A - - 2008
Although vasospasm usually occurs in the presence of normal coronary arteries, its clinical course is indistinguishable from coronary ischaemia, and actual myocardial damage frequently occurs, as demonstrated by ECG changes and troponin rises seen in such cases. Spasm can be promptly and effectively treated if recognized early, and treatment with ...
Konen Eli - - 2008
The recent introduction of coronary computed tomographic angiography into clinical use as a noninvasive tool for coronary artery evaluation has evoked a new interest in myocardial bridging. Recent studies using multidetector computed tomography for the evaluation of coronary anatomy have shown myocardial bridging to be more prevalent than previously reported ...
Rosenberg Thierry - - 2008
The occurrence of a coronary spasm after an adenosine stress test is an exceptional event. We report a vasospasm in a patient with normal coronary angiography. The spasm occurred shortly after termination of adenosine infusion on abrupt withdrawal of vasodilation. Ischaemia induced ventricular arrhythmia (bursts of polymorphous tachycardia) that responded ...
Pries Axel R - - 2008
Obstructive disease of the large coronary arteries is the prominent cause for angina pectoris. However, angina may also occur in the absence of significant coronary atherosclerosis or coronary artery spasm, especially in women. Myocardial ischaemia in these patients is often associated with abnormalities of the coronary microcirculation and may thus ...
Johansen Christopher - - 2008
INTRODUCTION: Myocardial bridging is a congenital condition in which a section of coronary artery is surrounded by myocardium. Historically, myocardial bridging has been diagnosed by catheter angiography. This study investigates the effectiveness of electrocardiogram-gated 64-slice multidetector computed tomography in detecting myocardial bridging. MATERIALS AND METHODS: We retrospectively reviewed 167 consecutive ...
Zeina A R - - 2008
Myocardial bridging (MB) is defined as an intramural segment of a coronary artery that normally courses epicardially. MB is usually a benign condition; however, some cases resulting in myocardial ischaemia, infarction and sudden death have been reported. We describe a case of myocardial infarction related to MB in a young ...
Huang Henry W - - 2008
Myocardial bridging is associated with myocardial infarction (MI) on rare occasions. The mechanism by which this occurs is unclear; vessel occlusion in this setting may be due to superimposed thrombosis or vasospasm. An unusual case is presented of postoperative MI from thrombosis associated with myocardial bridging and intravascular volume depletion, ...
Bulum Josko - - 2008
6497 consecutive patients who underwent coronary angiography in our institution in a three-year period were analysed. Spontaneous coronary artery dissection was noted in five, and unexpected dissection secondary to coronary arteriography in three patients. All patients with spontaneous dissection presented clinically as myocardial infarction. Three patients (two of them with ...
Sueda Shozo - - 2008
OBJECTIVES: We examined some recommendations for performing acetylcholine (ACh) tests safely. METHODS AND RESULTS: We performed 1000 ACh tests from 1991 to December 2004. ACh was injected in incremental doses of 20/50/80 microg into the RCA and of 20/50/100 microg into the LCA. During these periods, we encountered various major/minor ...
Michels H R - - 2008
A 60-year-old female patient with Prinzmetal angina and a single non-critical (<50%) focal obstruction in the right coronary artery was referred for percutaneous coronary intervention. Coronary angiography with provocative testing using incremental doses of acetylcholine demonstrated diffuse mild vasoconstriction and multifocal hyperreactive vasoconstriction in apparently normal coronary segments but not ...
Bartolini Davide - - 2008
Spontaneous coronary artery dissection is a rare clinical event and often a fatal cause of ischaemic heart disease occurring predominantly in young or middle-aged otherwise healthy patients. We present the case of a 59-year-old female patient who was admitted to our coronary care unit with acute anterior myocardial infarction. Coronary ...
Jacobs Jill E - - 2008
OBJECTIVE: To evaluate the prevalence and characteristics of myocardial bridging in patients who underwent single- or dual-source multidetector cardiac computed tomographic angiography (MDCTA). METHODS: Retrospective review of the imaging characteristics of 57 myocardial bridges in 53 patients who underwent cardiac MDCTA examinations was performed. RESULTS: The prevalence of myocardial bridges ...
Sim Tiong Beng - - 2008
We report a case of NSAID-induced anaphylaxis precipitating coronary artery vasospasm leading to myocardial infarction in the presence of normal coronaries. Furthermore, we have also discussed the possible mechanisms for this. Attending clinicians should be aware of this potential complication when treating anaphylaxis, especially in patients with known or presumed ...
Yasue Hirofumi - - 2008
Coronary (artery) spasm plays an important role in the pathogenesis of ischemic heart disease, including stable angina, unstable angina, myocardial infarction, and sudden death. The prevalence of coronary spasm differs among populations, is higher in Japan and Korea than in the Western countries probably due to genetic as well as ...
Antonopoulos Athanassios - - 2008
Apical ballooning syndrome (ABS) is a unique acute cardiac syndrome characterized by symptoms and electrocardiographic changes that mimic acute myocardial infarction. It occurs in patients without evidence of significant obstructive coronary artery disease and is associated with transient extensive wall motion abnormalities of the apical and mid portions of the ...
Camardella B - - 2008
We report 2 cases of Myocardial Bridge (MB). MB, even though a very frequent anomaly (found out in 85% of autopsies), often is asymptomatic. It is hard to diagnose in patients affected by coronary artery disease, seldomly found out on selective coronary angiograms (in 16-20% of chest pain cases). MB ...
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