Cases reported "Angina Pectoris"

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1/17. Prinzmetal's variant angina.

    Two patients are described with a typical Prinzmetal's variant angina. Both patients were young, active males with angina of recent onset. They experienced angina only at rest and in one patient the angina had a cyclic character appearing only between 4 and 10 a.m. In both patients there was no correlation whatsoever between the angina pectoris and effort, emotion or change in temperature and the angina reacted promptly to nitroglycerine sublingually. The number of attacks and the intensity of the pain were increasing rapidly over a short period of time in both cases. The stenoses in both patients did not exceed 50% of the lumen of the coronary arteries, but coronary surgery has been performed on clinical grounds because both patients were completely disabled and one of them suffered from life-threatening dysrhythmias. For respectively 18 and 6 months after saphenous vein bypass surgery both patients have been symptom-free and able to resume their work. The problems concerning the diagnosis Prinzmetal's variant of angina pectoris are discussed.
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2/17. Acute ECG changes and chest pain induced by neck motion in patients with cervical hernia--a case report.

    We report two cases of acute cervical angina and ECG changes induced by anteflexion of the head. Cervical angina is defined as chest pain that resembles true cardiac angina but originates from cervical discopathy with nerve root compression. In these patients, Prinzmetal's angina, valvular heart disease, congenital heart disease, left ventricular aneurysm, and cardiomyopathy were excluded. After all, the patient's chest pain was reproduced by anteflexion of head, at this time, their ECGs showed nonspecific ST-T changes in the inferior and anterior leads different from the basal ECG. ECG changes returned to normal when the patient's neck moved to the neutral position. To our knowledge, these are the first cases of cervical angina associated with acute ECG changes by neck motion.
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3/17. Coronary angiographic, echocardiographic, and electrocardiographic studies on a patient with variant angina due to coronary artery spasm.

    A 45-year-old Caucasian female patient with a clinical rehistory and ECG's conforming to the syndrome of variant angina as characterized by Prinzmetal is presented. ECG's recorded during spontaneous pain demonstrated ST-segment elevation and symmetrical peaking of the T-waves in the lateral precordial leads and short runs of ventricular tachycardia. Similar ECG changes were recorded during treadmill exercise- and hand-grip exercise-induced chest pain. An echocardiogram recorded during angina induced by hand-grip exercise demonstrated progressive flattening of septal motion. Multiple views of the coronary system by selective coronary cineangiography were normal with the patient at rest. Angina was then induced by hand-grip exercise and a repeat right anterior oblique view of the left coronary system revealed marked spasm of the left anterior descending artery proximal to the first septal perforator.
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4/17. parvovirus B19 infection mimicking acute myocardial infarction.

    BACKGROUND: Enteroviruses (EVs) and adenoviruses (ADVs) have been considered common causes of myocarditis and dilated cardiomyopathy. In the present study, we report on the association of parvovirus B19 (PVB19) genomes in the clinical setting of acute myocarditis. methods AND RESULTS: This study included 24 consecutive patients admitted to our hospital within 24 hours after onset of chest pain. Acute myocardial infarction had been excluded in all patients by coronary angiography. Endomyocardial biopsies were analyzed by nested polymerase chain reaction/reverse transcriptase-polymerase chain reaction for EV, ADV, PVB19, human cytomegalovirus, Epstein-Barr virus, chlamydia pneumoniae, influenza virus A and B, and borrelia burgdorferi genomes, respectively, followed by direct sequencing of the amplification products. All patients presented with acute onset of angina pectoris and ST-segment elevations or T-wave inversion mimicking acute myocardial infarction. Mean baseline peak creatinine kinase and creatine kinase-isoenzyme fraction were 342 /-241 U/L and 32 /-20 U/L, respectively. Mean troponin t was increased to 7.5 /-15.0 ng/mL and c-reactive protein to 91 /-98 mg/mL. Eighteen patients had global or regional wall motion abnormalities (ejection fraction 62.5 /-15.5%). Histological analysis excluded the presence of active or borderline myocarditis in all but one patient. PVB19, EV, and ADV genomes were detected in the myocardium of 12, 3, and 2 patients, respectively (71%). Follow-up biopsies of virus-positive patients (11 of 17) demonstrated persistence of PVB19 genomes in 6 of 6 patients, EV genomes in 2 of 3 patients, and ADV genomes in 1 of 2 patients, respectively. CONCLUSIONS: Virus genomes can be demonstrated in 71% of patients with normal coronary anatomy, clinically mimicking acute myocardial infarction. In addition to EVs and ADVs, PVB19 was the most frequent pathogen.
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5/17. Cervical angina caused by atlantoaxial instability.

    Cervical angina is defined as a paroxysmal precordialgia that resembles true cardiac angina caused by cervical spondylosis. Cervical angina most commonly results from compression of the C7 ventral root. We present here a case of cervical angina caused by atlantoaxial instability. This case had marked atlantoaxial instability but no flexibility of the middle to lower levels of the cervical spine. Although there was mild C7 root compression on the radiologic findings, the chest pain was induced by neck motion, and the precordialgia disappeared after posterior atlantoaxial fusion without C7 root decompression. Therefore, we diagnosed this case as cervical angina caused by spinal cord compression at the C1-C2 level. It was speculated that a perturbation of the sympathetic nervous system or a hypofunction of the pain suppression pathway in the posterior horn of the spinal cord caused the pectoralgia. Although cervical angina is a rare disease, physicians should be aware of it; if there are no abnormal findings on cardiac examinations for angina pectoris, they should examine the cervical spine. Cervical angina due to atlantoaxial instability is one of the differential diagnoses of precordialgia.
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6/17. thallium-201 myocardial scintigraphic evidence of ischemia in a patient with angina pectoris and normal coronary arteriogram: significance of thallium-201 washout analysis.

    We present a patient who had anginal pain and an abnormal exercise electrocardiogram but a normal coronary arteriogram. We thought that myocardial ischemia was responsible for this symptom in view of the exercise left ventriculogram, exercise thallium-201 myocardial scintigraphy and effect of nitroglycerin on the anginal pain. The left ventriculogram at rest was normal but exercise worsened the entire left ventricular wall motion. exercise thallium-201 myocardial images showed minimal reduction of radio-activity in the anterior, apical, antero-lateral and postero-lateral wall. Myocardial thallium-201 washout analysis revealed washout abnormalities all over the left ventricular myocardium similar to those of triple vessel disease, supporting the exercise left ventriculographic finding. Myocardial thallium-201 washout analysis as well as the visual method should be performed in patients with angina pectoris and normal coronary arteriograms.
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7/17. Physiologic improvement following coronary artery bypass surgery.

    In this study the effects of coronary artery bypass surgery on ventricular function were evaluated at rest by quantitative analysis of segmental wall motion on cineventriculography, and during maximal treadmill exercise by measurement of serial cardiac outputs (Fick method) with the use of indwelling pulmonary artery and radial artery catheters. The patient had single vessel coronary disease and exertional angina. Following placement of a bypass graft to the proximally occluded left anterior descenting coronary artery, and despite the presence of arterial hypoxemia secondary to interstitial pulmonary fibrosis, a striking increase in maximal cardiac output occurred, mediated by a rise in both maximal heart rate and stroke volume. In this patient, resting ventricular volumes and ejection fraction were normal both before and after surgery, but preoperative abnormalities in extent of segmental wall motion, identified quantitatively, were restored to normal after bypass grafting. These investigations indicate that bypass surgery can provide substantial physiologic benefits in addition to providing subjective relief of anginal symptoms.
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8/17. angina pectoris treated by ventricular plication.

    Objective analysis of the left ventricular angiogram in a patient with angina but normal coronary arteries showed an appreciable disturbance of regional wall movement. Because of persistent symptoms refractory to medical treatment left ventricular plication was undertaken. This resulted in a return to normal of a series of disturbances of left ventricular wall motion commonly found in patients with obstructive coronary disease, and a striking improvement in the patient's symptoms. The patient remains symptom free five years after operation.
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9/17. Echocardiographic and hemodynamic correlates in Prinzmetal angina pectoris: a case report.

    In a patient suffering from Prinzmetal angina pectoris, ischemic attacks of the anterior left ventricular wall were associated with the following changes: fall in cardiac output; increased left ventricular diastolic pressure (LVDP) and volume; flattening of the septal motion; marked reduction of the mitral valve early diastolic amplitude and rate of opening; and marked reduction of the systolic closure velocity. It is suggested that LVDP rise depends, at least in part, on variations in left ventricular diastolic volume and segmental wall motion, and that disruption of the mitral valve motion derives from changes in LVDP and flow through the mitral orifice.
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10/17. Influence of left ventricular aneurysm on survival following the coronary bypass operation.

    patients having coronary bypass and aneurysm resection (N = 40) or aneurysm plication (N = 32) were compared with patients having coronary bypass without aneurysm (N = 2782). Unlike other series, the primary indication for surgery in the aneurysm patients was angina pectoris, with heart failure playing a secondary role. Multivessel disease was present in 83% of the patients with aneurysm. Total occlusion of the anterior descending coronary artery was more prevalent in the group of patients who had aneurysmectomy (75%) than in rhe group of patients who had plication (38%), and more grafts/patient could be performed in the plication group (2.6 vs 2.0). Location of the aneurysm was most often anteroapical (N = 55) and infrequently inferior (N = 6). Septal wall motion was akinetic or aneurysmal in 47% of the aneurysmectomy group, and 10% of the plication group. Postoperative requirements for inotropes or intra-aortic balloon assist was much higher in the aneurysm group (aneurysmectomy or plication) than in patients without aneurysm having bypass. hospital mortality for aneurysm patients was 2.7% versus 1.4% in patients without aneurysms having coronary bypass. The actuarial survival rate at 42 months for all aneurysm patients was 90%. Improvement in anginal symptoms after plication and coronary bypass (96%) was more frequent than with aneurysmectomy and coronary bypass (76%) and this was attributed to larger viable muscle mass and greater revascularization. Although two-thirds of patients having surgery for aneurysms had improvement in heart failure symptoms after operation, 30% of those having aneurysmectomies and 35% of those having plications said they were unimproved after surgery. However, this could be explained by the finding that a significant number (35% of the aneurysmectomy and 45% of the plication group) were in heart failure Class I prior to operation. hospital mortality has been progressively reduced and late survival increased by the surgical treatment of left ventricular aneurysm, primarily through early operation at a time when coronary bypass can be used as an adjunct to aneurysm resection or plication.
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