Images in cardiovascular medicine. Myocardial fibrosis in fabry disease demonstrated by multislice computed tomography: comparison with biopsy findings.
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Biopsy↗
Biomedical subjects
Masayori Yonezawa
Publications and source records attributed to Masayori Yonezawa.
Complications of pulmonary vein isolation by catheter ablation evaluated by ECG-gated multislice computed tomography.
As pulmonary vein (PV) isolation by catheter ablation for paroxysmal atrial fibrillation may cause PV luminal stenosis, digital subtraction angiography or magnetic resonance imaging have been used to evaluate the lumen of the PV. Electrocardiogram-gated multislice computed tomography can evaluate the lumen of the PV from any plane desired after acquisition with excellent spatial resolution. It can also evaluate hyperplasia of soft tissue around the lumen of the PV, which cannot be evaluated by digital subtraction angiography, and may thus serve as an indicator of complications or even the effectiveness of this treatment.
Atrial Fibrillation↗
[Heart failure].
Survival of patients with heart failure has improved over the past decade due to advances in medical therapy. However, sudden cardiac death continues to cause 35 to 65% of death. Ventricular arrhythmias are important causes of sudden cardiac death in patients with heart failure. The risks of antiarrhythmic drugs are increased in patients with heart failure. Therefore, in the absence of a clear indication, antiarrhythmic drug therapy should be avoided. A number of recent randomized trials have provided evidence that beta-adrenergic blockers, angiotensin-converting enzyme(ACE) inhibitors and angiotensin II receptor blockers(ARB) significantly reduces the risk of sudden death in patients with chronic congestive heart failure. For patients who have a history of sustained ventricular tachycardia(VT) or ventricular fibrillation(VF) amiodarone or an implantable cardioverter defibrillator(ICD) should be considered, and these therapy may benefit some high risk patients who have nonsustained VT.
Adrenergic beta-Antagonists↗