J Z Przybojewski

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Skeletal muscle morphology and mitochondrial oxidative phosphorylation capacity were examined in a family whose members showed very combinations of mental subnormality, cardiomyopathy and muscle weakness. Light and electron microscopic findings suggested a neuropathic process, while tests of mitochondrial function indicated a state of tight coupling of(More)
A 32-year-old white woman presented with angina pectoris and an acute myocardial infarction (MI) complicated by congestive cardiac failure. Other symptoms and results of immunological investigation were highly suggestive of systemic lupus erythematosus (SLE). Thallium-201 scintigraphy confirmed an extensive MI, as initially suspected from an ECG. Cardiac(More)
A 51 year-old White woman with angina pectoris and nonatheromatous coronary artery disease is presented. Cardiac catheterization demonstrated a "slow-flow phenomenon" in the left coronary artery accompanied by severe angina pectoris and anterolateral ST-segment elevation and culminating in an acute nontransmural myocardial infarction. At repeat coronary(More)
A young Black man with many features of pseudoxanthoma elasticum (PXE), confirmed by skin biopsy, complained of classic angina pectoris, decreasing effort tolerance, and palpitations. Clinically he was in severe congestive cardiac failure which was confirmed by echocardiography and cardiac catheterization, investigations which indicated the presence of a(More)
A case of acute transmural anterior myocardial infarction in a 45-year-old Black employee of an explosives factory during a period of withdrawal from industrial nitroglycerin is documented. Angiography revealed that the patient had normal coronary arteries. Coronary vasospasm could not be induced by the ergometrine (ergonovine) maleate provocation test. It(More)
A Black employee exposed to industrial nitroglycerin (NG) in an explosives factory presented with severe precordial pain. The clinical presentation was that of significant transient anteroseptal and anterolateral transmural myocardial ischaemia which responded promptly to sublingual isosorbide dinitrate. Despite being removed from exposure to industrial NG(More)
A young Coloured man with a history of acute transmural anteroseptal and anterolateral myocardial infarction presented with angina pectoris. Skeletal muscle biopsy showed unequivocal evidence of polyarteritis nodosa. Complete cardiac catheterization, left ventricular cine angiography, and selective coronary arteriography demonstrated a large aneurysm(More)
IgG and IgM anti-cardiolipin antibodies (ACA) were assayed by an ELISA technique in 86 patients with ischaemic heart disease (IHD) and compared to 124 healthy controls and to 62 patients with rheumatoid arthritis (RA) and 20 with tuberculosis (TB). IgG ACA levels in IHD, RA and TB were comparable and significantly higher than in controls (P less than(More)
A 32-year-old White man suffered a large transmural inferoposterior myocardial infarction (MI). Coronary vasospasm is strongly suspected of having caused this MI since the ergometrine maleate provocation test gave rise to severe coronary vasospasm resulting in total occlusion of the dominant right coronary artery, without angina or ECG or haemodynamic(More)