نتایج جستجو برای: myocardial bridging
تعداد نتایج: 180971 فیلتر نتایج به سال:
Abstract Background Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a common disorder characterized by the presence of clinical criteria for acute myocardial in absence obstructive artery disease on angiography. We aim to investigate relationship between bridging (MB) and MINOCA. Methods An observational retrospective study was conducted 15,036 patients who had been ref...
Takotsubo cardiomyopathy can be divided in apical ballooning, mid-ventricular ballooning, and rarely in basal ballooning. The role of left anterior descending coronary artery is still in debate. Spasms, myocardial bridging and recurrent segment (wrap-around) LAD have been described in takotsubo cardiomyopathy. 8 patients (4 females, mean age 74.3 ± 9.7 years) with typical apical ballooning in 4...
Noncompaction of the ventricular myocardium is a rare congenital heart disease, presumably caused by the intrauterine arrest of the myocardial compaction process at the beginning of fetal development. It could remain asymptomatic or manifest with congestive heart failure, arrhythmias, and systemic thromboemboli. Here we report a 55-year-old man who was admitted to hospital with chest pain and d...
Myocardial bridging is a congenital anomaly, mostly found incidentally in men, and primarily involved in the left anterior descending coronary artery. In some cases its association with certain cardiac complications and resultant sudden deaths has been reported. However, its role as a cause of death is rare and still controversial. The author reported the case of sudden unexpected death in a 24...
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 transthoracic echocardiography i...
Although intracoronary stenting procedures have been advocated for the successful treatment of myocardial ischaemia associated with myocardial bridging, the physiological rationale for this approach remains unexplored. The case of a 70 year old man with symptoms of cardiac ischaemia associated with a left anterior descending coronary artery bridge is described, where use of an intracoronary ste...
Myocardial bridging (MB) is a congenital anomaly characterized by systolic compression of the tunnelled arterial segment. MB may cause myocardial ischaemia due to abnormal coronary blood flow. We report a case of MB in which transthoracic Doppler echocardiography was used to evaluate the long-term effect of beta-blocker therapy on abnormal coronary blood flow. In this case, beta-blocker therapy...
Myocardial bridging, a congenital coronary anomaly, is a cluster of myocardial fibers crossing over the epicardial coronary arteries. It is most frequently seen in the left anterior descending artery (LAD), and rarely involves the circumflex (CX) and right coronary artery (RCA). We report a patient with an unusual coronary bridge crossing over the left anterior descending, obtuse marginal and r...
blocking agents in heart failure. Should they be used and how? Eur Heart J 1996; 17:1629–1639. 3. Billman GE, Schwartz PJ, Stone HL. The effects of daily exercise on susceptibility to sudden cardiac death. Circulation 1984;69:1182–1189. 4. Braunwald E, Epstein SE, Glick G, Wechsler AS, Braunwald NS. Relief of angina pectoris by electrical stimulation of the carotid-sinus nerves. N Engl J Med 19...
BACKGROUND The myocardial bridge constitutes one of the main differential diagnoses of coronary artery disease. However, it remains an underdiagnosed condition and its physiopathological mechanisms and therapeutics are yet to be elucidated. OBJECTIVE To analyze and describe the clinical and therapeutic evolution of patients with an angiographic diagnosis of myocardial bridge, comparing the da...
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