Publications by authors named "Osamu Fukuyama"

Proposed to be a new variant form of the left ventricular apical ballooning syndrome or the so-called "Takotsubo cardiomyopathy" the presented case has several clinical characteristics resembling previous reported cases of this particular syndrome except for its unique anterolateral wall akinesis and sparing basal and apical wall motion with preserved left ventricular ejection fraction.

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Background: Advantages of bioprosthetic valve replacement in patients with normal sinus rhythm are avoidance of the need for long-term anticoagulation and reduced hemorrhagic accidents. On the other hand, low durability of the valve and a higher re-operation rate are known disadvantages. Bioprosthetic valve thrombosis and related embolism are considered to be rare complications.

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Significant systolic improvement and reverse remodeling in dilated cardiomyopathy (DCM) are well known, however they have been rarely described among elderly subjects. The authors retrospectively reviewed 86 patients with a diagnosis of DCM seen at a clinic during April-November 2005. The authors found 18 patients with elderly-onset idiopathic DCM (age of onset > or = 65 years, mean age 71.

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Background: Right-sided infective endocarditis is uncommon. This is primarily seen in patients with intravenous drug use, pacemaker or central venous lines, or congenital heart disease. The vast majority of cases involve the tricuspid valve.

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An elderly Japanese woman presented with evidence of a myocardial infarction. Emergency angiography showed no significant atherosclerotic disease, but the anterior and anteroseptal walls were akinetic, with 'ballooning' of the apex. She was suspected to have transient left ventricular apical ballooning syndrome (TLVABS).

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